Enterprise Cyber Security Architect We are seeking an experienced Enterprise Cyber Security Architect to support the development and... Read more
Enterprise Cyber Security Architect
We are seeking an experienced Enterprise Cyber Security Architect to support the development and delivery of cyber security architecture across a large, complex organisation operating critical technology environments.
This is a 12-month contract opportunity, with the successful candidate providing senior security architecture leadership across enterprise IT, cloud and operational technology environments. The role will work closely with architecture, engineering, project and security teams to ensure security is embedded into major technology programmes and change initiatives.
Key Responsibilities
Develop and maintain the enterprise Cyber Security Architecture roadmap, standards, principles and reference architectures.Provide security architecture guidance and assurance across major projects, programmes and technology change initiatives.Lead security assessments, risk reviews and threat modelling activities for critical IT and OT environments.Work closely with project teams, solution architects, infrastructure teams and security specialists to embed security requirements into solution designs.Support the development of secure Azure/cloud, DevSecOps and Zero Trust architectures.Design and provide oversight of enterprise security capabilities including IAM, SIEM, endpoint security, encryption and network security controls.Assess emerging technologies and provide recommendations to improve security, resilience and risk management.Provide architectural support during major cyber security incidents and identify opportunities to strengthen security controls and resilience.Define and maintain security controls relating to data protection, classification, encryption, retention and secure information sharing.Represent Cyber Security at Architecture Review Boards (ARB) and contribute to enterprise architecture governance.Support the wider cyber security function in managing technology risk and ensuring alignment with organisational security objectives.Required Experience
Indepth Experience in Cyber Security Architecture, Security Engineering or a closely related discipline.Strong experience designing and reviewing security architecture across complex enterprise environments.Strong knowledge of security frameworks and best practices including NIST, CIS Controls, ISO 27001 and Zero Trust.Proven experience with cloud security, particularly Microsoft Azure.Experience working across DevSecOps, enterprise security technologies and modern cloud architectures.Knowledge of relevant regulatory and compliance requirements, including NIS2 and GDPR.Relevant professional certification such as CISSP, CISM, SABSA, TOGAF or equivalent.GCS is acting as an Employment Business in relation to this vacancy.
Read lessDublin, Dublin County, Republic of IrelandContract
DevOps / CI/CD Platform EngineerWe're seeking a hands-on engineer with experience in CI/CD, deployment automation, systems operations, containers,... Read more
DevOps / CI/CD Platform Engineer
We're seeking a hands-on engineer with experience in CI/CD, deployment automation, systems operations, containers, and production support. This position will help maintain the tools and processes that enable software teams to continuously deliver reliable applications.
What You'll Be Doing
Support the full lifecycle of technical products and systems
Troubleshoot, diagnose, and fix production software issues
Build and maintain monitoring solutions
Perform software maintenance and implement operational solutions
Automate software deployments using configuration and automation tools
Support continuous integration and delivery processes
Develop standards for measuring product quality and release readiness
Recommend improvements to testing techniques and processes
Provision and manage applications in virtual and cloud environments
Collaborate with QA and Software Engineers to maintain continuous delivery
Support deployment, network operations, and systems administration
Use scripting and coding to automate operational processes
Work with containerized applications using Docker and Kubernetes
What You Bring
Bachelor's degree in Engineering or related field
3-6 years of relevant experience
Experience with Jenkins and continuous integration
Experience with Ansible, Puppet, or Chef
Experience with GitHub, branching, and tagging
Experience with Docker and Kubernetes
Experience with systems and IT operations
Experience with virtual and cloud infrastructure
AWS and OpenStack experience preferred
Strong scripting and coding skills
Experience working with open-source technologies and tools
Ability to build strong working relationships with QA and Software Engineering
This role is a good match for engineers who enjoy being close to the software delivery process while also working hands-on with infrastructure, automation, and production systems.
GCS is acting as an Employment Business in relation to this vacancy.
Read lessWilmington, Delaware, United States of AmericaContract
Senior Technical Application EngineerWe're looking for an experienced Technical Application Engineer to help design, develop, and support enterprise-level... Read more
Senior Technical Application Engineer
We're looking for an experienced Technical Application Engineer to help design, develop, and support enterprise-level application solutions.
You'll work at the intersection of business needs and technology, partnering with customers, business analysts, developers, QA teams, and other technical stakeholders to turn requirements into working solutions.
What you'll own:
🔹 Requirements analysis and solution design
🔹 Application development and coding
🔹 Testing and quality assurance
🔹 Implementation and production support
🔹 Application maintenance and enhancements
🔹 Integration and performance considerations
🔹 Component and data architecture
🔹 Technical product evaluation
🔹 Build-vs-buy analysis
🔹 Recommendations around new development and code reuse
The right person will have a strong understanding of the full systems lifecycle and be comfortable moving between high-level solution design and hands-on technical work.
Qualifications:
* 10+ years of programming and/or systems analysis experience
* Strong application development experience
* Experience with systems analysis and design
* Understanding of QA, testing, development, and integration methodologies
* Bachelor's degree in Computer Science, Information Systems, or related field - or equivalent work experience
You'll be joining a technology organization where collaboration between business and technical teams is a major part of delivering successful solutions.
GCS is acting as an Employment Business in relation to this vacancy.
Read lessWilmington, Delaware, United States of AmericaContract
Senior Application Architect / EngineerWe're looking for a senior technology professional who can think beyond individual lines of... Read more
Senior Application Architect / Engineer
We're looking for a senior technology professional who can think beyond individual lines of code and understand how applications, data, architecture, business requirements, and IT strategy come together.
In this role, you'll work with customers, business analysts, and technical teams to design and deliver quality solutions across the full systems lifecycle.
Key responsibilities:
* Analyze complex business requirements and translate them into technical solutions
* Design, develop, test, implement, maintain, and support applications
* Work within established enterprise architecture and IT standards
* Make recommendations around new development vs. reuse of existing code
* Participate in component and data architecture design
* Support application performance monitoring and optimization
* Evaluate products and technical approaches
* Contribute to build-vs-buy recommendations
* Work closely with QA, development, integration, and business stakeholders
* Help ensure projects are delivered on time and within budget
We're looking for:
* 10+ years of programming and/or systems analysis experience
* Strong software/application development background
* Experience with systems analysis and technical design
* Understanding of development, QA, testing, and integration methodologies
* Bachelor's degree in Computer Science, Information Systems, or related discipline - or equivalent experience
If you're someone who can understand the business problem, design the technical solution, and help see it through to implementation, this could be a great opportunity.
GCS is acting as an Employment Business in relation to this vacancy.
Read lessCherry Hill, New Jersey, United States of AmericaContract
Key ResponsibilitiesDesign, develop, test, deploy, and operate production-grade security automation and AI-driven workflows.Build intelligent agents capable of securely... Read more
GCS is acting as an Employment Business in relation to this vacancy.
Read lessWashington, District of Columbia, United States of AmericaContractRemote
Job DescriptionJob TitleSecurity Architect (12-Month Fixed-Term Contract)LocationHybrid - Warrington, EnglandContract12-Month Fixed-Term Contract (FTC)Role OverviewWe are seeking an experienced... Read more
Job Description
Job Title
Security Architect (12-Month Fixed-Term Contract)
Location
Hybrid - Warrington, England
Contract
12-Month Fixed-Term Contract (FTC)
Role Overview
We are seeking an experienced Security Architect to join an Enterprise Security team, responsible for ensuring the design and delivery of secure technology solutions across a large-scale transformation programme.
The successful candidate will produce high-level and low-level security designs for multiple high-impact initiatives, ensuring solutions are secure by design, compliant with security standards, and aligned with business objectives.
Working closely with Solution Architects, Project Managers, Business Analysts, and technical stakeholders, you will provide expert security guidance throughout the project lifecycle-from initial solution design through to implementation and deployment into production.
Key Responsibilities
*Provide specialist security architecture support across enterprise-level technology projects.
*Collaborate with Technology Solution Architects and project teams to embed security into solution design from the earliest stages of the project lifecycle.
*Support security triage activities to identify resource requirements based on project priorities, timelines, and specialist skills.
*Conduct security risk assessments using recognized threat modelling methodologies such as STRIDE, DREAD, and MITRE Att&ck.
*Produce high-level and detailed security architecture and design documentation for complex, high-security-impact initiatives.
*Define security requirements based on risk assessments, organisational standards, and security design patterns.
*Identify, assess, and communicate security risks, control gaps, and policy non-compliance to project stakeholders and service owners.
*Participate in security governance and architecture review processes, updating design documentation in response to feedback.
*Develop security test plans and scopes for functional security testing and penetration testing.
*with internal and external testing teams to support security validation and remediation activities.
*Ensure security designs comply with organisational policies, industry standards, and regulatory requirements.
Essential Skills & Experience
*Proven experience providing security architecture support within enterprise-scale technology projects.
*Strong understanding and practical application of threat modelling techniques, including STRIDE, DREAD, MITRE Att&ck, or similar frameworks.
*Experience producing structured, high-quality security designs and technical documentation.
*Broad technical knowledge across infrastructure, networking, operating systems, databases, cloud platforms, and application architectures.
*Strong expertise across key security domains, including:
oIdentity and Access Management (IAM)
oCryptography
oEndpoint Security
oNetwork Security
oApplication Security
oSecurity Monitoring and Logging
oVulnerability Management
*Experience supporting penetration testing activities and working with internal and third-party security testing providers.
*Strong understanding of cloud security principles across Infrastructure as a Service (IaaS), Platform as a Service (PaaS), and Software as a Service (SaaS).
*Knowledge of industry security standards and frameworks, including CIS Controls, ISO 27001, PCI DSS, and NIST.
*Ability to assess security risks, communicate findings effectively, and support informed risk-based decision making.
*Excellent written, presentation, stakeholder engagement, and communication skills.
Desirable Skills & Experience
*Experience working within complex release management or technical delivery environments.
*Familiarity with Agile delivery tools such as Jira and Confluence.
*Experience working within highly regulated industries such as financial services, healthcare, gaming, gambling, or similar environments.
*Knowledge of multiple delivery methodologies including Agile, Scrum, Lean, and Waterfall.
*Professional security certification such as CISSP.
Key Competencies
*Strategic and analytical thinking.
*Strong problem-solving and risk assessment capabilities.
*Excellent stakeholder management and influencing skills.
*Ability to balance security, business requirements, delivery pace, and cost.
*Strong attention to detail with a governance-focused mindset.
*Collaborative approach with cross-functional technical teams.
GCS is acting as an Employment Business in relation to this vacancy.
Read lessWarrington, England, United KingdomFixed Term Contract
OT Architect - OutsideIR35Contract: 6 MonthsIR35: OUTSIDE IR35Location: REMOTE - UK On-site: 1 day per month (North Yorkshire)... Read more
Contract: 6 Months
IR35: OUTSIDE IR35
Location: REMOTE - UK
On-site: 1 day per month (North Yorkshire)
Industry: Pharmaceutical / Life Sciences
Engagement: Contract
Rate: 450pd+ Outside
We are working with a pharmaceutical manufacturing organisation undergoing a significant transformation across its IT, OT, automation and digital manufacturing environment.
They are looking for an experienced OT Architect to provide architectural leadership across a highly regulated pharmaceutical manufacturing environment, helping to define how IT, OT, automation, manufacturing systems, infrastructure, cybersecurity and enterprise platforms come together.
This is a genuine Outside IR35 contract, offering predominantly remote working with only 1 day per month on-site.
The successful candidate will operate at an architectural level, working across both strategic and technical domains to define target-state architecture, integration patterns, technology standards, roadmaps and governance across the manufacturing environment.
Key ResponsibilitiesDefine and maintain the OT and site architecture vision, principles, standards, reference architectures and technology roadmaps.Provide architectural leadership across pharmaceutical manufacturing, including OT, automation, MES, SCADA, DCS, PLCs, historians, BMS, EMS, laboratory systems and enterprise platforms.Define and govern IT/OT convergence and integration architectures across manufacturing and corporate environments.Develop target-state architectures and practical transition roadmaps that consider production requirements, regulatory obligations, cybersecurity, resilience and lifecycle management.Work across platforms including MES, LIMS, QMS, WMS, ERP, EDMS, serialisation, CMMS, electronic batch records and shop-floor systems.Define secure and resilient architectures covering industrial networks, segmentation, DMZs, remote access, identity, infrastructure, servers, endpoints, monitoring, backup and disaster recovery.Assess existing OT environments to identify technical debt, obsolescence, cyber risk, unsupported technologies, architectural weaknesses, unmanaged interfaces and resilience gaps.Develop architecture patterns for validated and regulated manufacturing systems, including audit trails, electronic signatures, role-based access, segregation of duties, data integrity, master data, time synchronisation and lifecycle controls.Ensure architectural decisions support GMP, GxP, data integrity, patient safety, product quality and inspection readiness.Partner with Engineering, Automation, Manufacturing, Quality, Validation, Cybersecurity, Infrastructure, Data, Applications and senior site stakeholders.Support CSV/CSA, validation, risk assessments, design reviews, change control and regulated technology implementation.Lead architecture workshops, design authorities, technical reviews and supplier design assessments.Maintain architecture documentation including system landscapes, capability maps, data flows, integration diagrams, network/segmentation views, roadmaps and architecture decision records.Provide architectural input into technology investment cases, assessing business value, production impact, compliance, risk, lifecycle, scalability, supportability and total cost of ownership.Support digital manufacturing initiatives involving cloud, edge computing, advanced analytics, AI, automation and industrial data platforms, where appropriate for a validated environment.Help establish consistent architecture practices across OT, engineering, automation and technology delivery teams.Essential ExperienceWe are looking for a proven OT / Industrial / Manufacturing Architect with experience operating in complex, highly regulated environments.
You should have:
Strong experience designing OT / IT architectures within pharmaceutical, life sciences, chemical, food & beverage or similarly regulated manufacturing environments.Strong understanding of GxP / GMP regulated environments and the implications these have on technology architecture.Experience with IT/OT convergence and industrial control environments.Strong understanding of ISA-95 and/or Purdue-style architectures.Practical knowledge of industrial environments including PLC, DCS, SCADA, HMI, historians, MES and industrial networks.Experience with OT network architecture, segmentation, industrial DMZs and secure remote access.Strong understanding of integration technologies including OPC UA, APIs, middleware, event-driven architecture, ETL/ELT and historian integrations.Experience working with validated systems and understanding of Computerised System Validation (CSV) / Computer Software Assurance (CSA).Strong knowledge of EU GMP Annex 11, 21 CFR Part 11, GAMP 5 and ALCOA+ / data integrity principles.Understanding of OT cybersecurity principles and frameworks, ideally including IEC 62443, NIST and/or ISO 27001.Ability to produce and communicate target-state architectures, reference architectures, roadmaps and architectural decision records.Excellent stakeholder management skills, with the ability to communicate effectively with engineering, automation, manufacturing, quality, cybersecurity and corporate IT.Experience operating in live manufacturing environments where changes must be carefully managed around production schedules, shutdowns, validation windows and batch campaigns.DesirableTOGAF or equivalent Enterprise / Solution Architecture certification.ISA-95 / ISA-88 experience.IEC 62443 certification or equivalent OT cybersecurity experience.Experience with pharmaceutical MES / electronic batch record environments.Experience with LIMS, QMS, WMS, serialisation or laboratory systems.Experience with cloud and edge architectures within regulated manufacturing.Experience supporting major OT transformation, digital manufacturing or IT/OT convergence programmes.Previous experience working with global pharmaceutical manufacturing organisations.ApplyIf you are an experienced OT Architect, Industrial Architect, Manufacturing Architect or IT/OT Architect with a background in pharmaceutical or regulated manufacturing, we'd be keen to hear from you.
Please apply with your latest CV and we will be in touch to discuss the programme, rate and engagement in more detail.
GCS is acting as an Employment Business in relation to this vacancy.
Read lessNorth Yorkshire, United KingdomContractRemote
Security Architect - Tooling & Product ArchitectureLocation: Dublin City Centre / HybridType: PermanentSalary: CompetitiveAbout the RoleWe're looking for... Read more
Location: Dublin City Centre / Hybrid
Type: Permanent
Salary: Competitive
About the RoleWe're looking for a Security Architect who genuinely enjoys working with security tools and products. This is not a governance-heavy architecture role - it's for someone who gets excited about evaluating new security technologies, understanding how they work under the hood, and designing integrated security ecosystems that deliver real operational value.
You'll combine hands-on technical depth with strategic architecture thinking, working across endpoint security, identity, cloud security, SIEM, and threat detection platforms. A key requirement is extensive CrowdStrike experience.
The role focuses on architecting and optimising security tooling across the organisation, including endpoint protection, IAM/PAM, cloud security, SIEM, vulnerability management, and data protection solutions. It also involves evaluating new products through technical assessments and POCs, integrating tools across infrastructure and cloud environments, defining security standards and best practices, and collaborating with engineering, infrastructure, compliance, and incident response teams to improve visibility, detection, and operational effectiveness.
Source: Security Architect JD
What You'll Be DoingDesign and architect security solutions across endpoint, identity, cloud, SIEM, and threat detection domainsEvaluate new security products, run technical assessments and POCs, and make vendor recommendationsIntegrate and optimise security tools across infrastructure, applications, and cloud environmentsDefine security standards, runbooks, and architecture documentationWork closely with engineering, infrastructure, compliance, and incident response teamsStay current with the evolving security product landscape and recommend improvements and new capabilitiesSupport incident response and threat investigations by ensuring security tooling is configured effectivelyMentor technical teams on security tool best practices and emerging capabilitiesWhat We're Looking ForEssential7+ years in security roles, including 3+ years in security architecture, security engineering, or security tool evaluationDeep hands-on experience deploying, configuring, and optimising enterprise security products in production environmentsBroad knowledge across:IAM / PAM / SSOEDR and endpoint protectionCloud security (CSPM, CWPP, cloud-native security)Network security (firewalls, IDS/IPS, segmentation)SIEM and security analyticsVulnerability managementData protection and encryptionStrong understanding of APIs, integrations, data flows, and troubleshooting complex security configurationsExperience communicating security architecture to both technical and non-technical stakeholdersFamiliarity with frameworks such as ISO 27001, SOC 2, and NISTExtensive CrowdStrike experience is essential.These requirements reflect the core competencies, experience expectations, compliance familiarity, and mandatory CrowdStrike requirement outlined in the job description.
Nice to HaveSOAR / security automation experienceThreat intelligence or threat hunting backgroundIncident response or threat analysis experienceInfrastructure-as-Code and security automation exposureCertifications such as CISSP, CCSK, or similarWhy This Role?This is an opportunity to join an environment where security tooling is treated as a craft rather than a checkbox exercise. You'll have the autonomy to influence technology decisions, evaluate emerging products, and shape the organisation's future security architecture.
If you're interested, apply here or send your CV to [email protected] for a confidential discussion.
GCS is acting as an Employment Agency in relation to this vacancy.
Read lessDublin, Dublin County, Republic of IrelandPermanent
Security Architect - Consultant Advisory12-Month Contract | Outside IR35 | Hybrid (2 days per week on-site)Location: West London... Read more
12-Month Contract | Outside IR35 | Hybrid (2 days per week on-site)
Location: West London / Greater London
We are supporting a major UK transport infrastructure organisation undergoing a significant programme of cyber security improvement and technology transformation.
We are seeking an experienced Security Architect Consultant to provide advisory support across a complex digital estate, reviewing security architectures, assessing risks, and supporting the delivery of security improvements across critical technology platforms.
This role will involve working with technical teams, architects, and senior stakeholders to review existing security controls, improve security design practices, and support the implementation of secure technology solutions across a highly regulated environment.
Key ResponsibilitiesReview and refresh existing Cyber Security Impact Assessments (CSIAs) across a portfolio of live digital products and services.Assess existing threat models and security architectures to ensure they reflect current risks and technology changes.Provide security architecture guidance across projects from initial design through to delivery.Conduct security risk assessments and provide recommendations for security improvements.Support technical teams with secure design reviews and architectural assurance.Review and advise on security improvements across areas including:Network securityFirewall technologiesSecure remote access / VPN solutionsVirtualisation environmentsSecurity monitoring and endpoint protection toolingIdentity and access controlsInfrastructure securityWork with engineering and DevOps teams to ensure security is embedded throughout the delivery lifecycle.Produce clear security documentation, architectural recommendations, and risk treatment plans.Support governance activities and security assurance processes.Required ExperienceProven experience working as a Security Architect / Cyber Security Consultant within complex enterprise environments.Strong background in security architecture, risk assessments and technical security reviews.Experience reviewing and producing security impact assessments or similar security assurance documentation.Ability to assess technical solutions and provide practical security recommendations.Strong understanding of:Network security architectureFirewalls and secure connectivityVPN technologiesSecurity monitoring solutionsEndpoint security controlsCloud and infrastructure securityExperience working across large-scale transformation or improvement programmes.Excellent stakeholder management and communication skills.Desirable ExperienceExperience within aviation, transport, critical national infrastructure (CNI), or other highly regulated sectors.Previous experience supporting environments with operational technology (OT) considerations.Familiarity with safety-critical systems and complex infrastructure environments.Experience working with DevOps / continuous improvement teams.Existing SC Clearance or ability to obtain SC Clearance.Contract DetailsContract Length: 12 monthsIR35 Status: Outside IR35Working Pattern: Hybrid - 2 days per week on-siteStart Date: August / SeptemberRate: Competitive day rate availableThis is an excellent opportunity for a Security Architect to support a high-profile cyber improvement programme within a complex, mission-critical environment.
GCS is acting as an Employment Business in relation to this vacancy.
Read lessGreater London, United KingdomContract
Job Title: Solution ArchitectJob Type: Contract Job Location: SheffieldMandatory Skills: IAM, GCPOverviewA leading global financial services organisation is... Read more
Job Title: Solution Architect
Job Type: Contract
Job Location: Sheffield
Mandatory Skills: IAM, GCP
Overview
A leading global financial services organisation is undertaking a major multi-year Identity & Access Management (IAM) transformation programme to modernise and enhance identity services across a complex international technology landscape.
The programme will redefine how identities are managed across the enterprise, spanning workforce, privileged, machine, agent, and workload identities. As part of this transformation, a number of next-generation identity capabilities and platforms will be designed and implemented using modern cloud-native technologies and security principles.
We are seeking an experienced Solution Architect / Design Engineer to provide technical leadership across the programme, define target-state architectures, and ensure the successful delivery of secure, scalable, resilient, and supportable identity solutions.
The successful candidate will work closely with architects, engineering teams, security stakeholders, and technology partners to translate business, security, and regulatory requirements into enterprise-grade IAM solutions.
Key Responsibilities
Produce High-Level Designs (HLDs) and Low-Level Designs (LLDs) for identity capabilities.Define end-to-end solution architectures across business, application, data, security, and infrastructure domains.Translate business, security, operational, and regulatory requirements into technical solutions.Develop architecture patterns, standards, and reference designs.Define integration patterns between identity platforms, applications, infrastructure, and cloud services.Design cloud-native identity solutions within containerised and cloud environments.Define authentication, authorisation, federation, and access control architectures.Design and support Human Identity, Agent Identity, and Workload Identity capabilities.Develop Zero Trust security architectures and trust boundary models.Design API security, service-to-service authentication, and workload authentication frameworks.Develop event-driven integration patterns using messaging and asynchronous processing technologies.Design Policy Decision Point (PDP) and Policy Enforcement Point (PEP) architectures using Policy-as-Code principles.Define PKI, certificate lifecycle management, secrets management, and cryptographic integration patterns.Design highly available, resilient, and disaster recovery capable solutions.Ensure solutions meet security, performance, scalability, resilience, and operational requirements.Produce architecture decision records (ADRs) and technical design documentation.Participate in Architecture Reviews, Design Authorities, and governance processes.Conduct technical assurance and solution reviews across internal and third-party deliveries.Identify risks, assumptions, issues, constraints, and dependencies across programme workstreams.Collaborate with Enterprise Architecture teams to ensure alignment to strategic target-state architecture.Support engineering teams throughout implementation, testing, and production readiness activities.Mentor engineers and promote architecture and engineering best practices.Evaluate emerging technologies and identity solutions against programme requirements.Support roadmap planning and future-state architecture development.
Essential Experience & Skills
Desirable Experience
Candidate Profile
The ideal candidate will be an experienced Solution Architect with strong Identity & Access Management expertise and a proven track record delivering complex security and identity solutions within enterprise-scale environments. They will be comfortable operating across strategy, architecture, governance, and technical delivery while influencing senior stakeholders and driving architectural decisions across multiple workstreams.
GCS is acting as an Employment Business in relation to this vacancy.
Read lessSheffield, England, United KingdomContract
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