Senior Security Architecture Consultant📍 Dublin City Centre (Hybrid) 📅 12-Month Fixed Term ContractThe OpportunityA unique opportunity for an... Read more
📍 Dublin City Centre (Hybrid)
📅 12-Month Fixed Term Contract
A unique opportunity for an experienced security professional to work on the assessment and improvement of cybersecurity across complex digital and technology environments.
This role will suit individuals with strong technical security expertise who enjoy working across architecture, infrastructure, cloud security and enterprise security programmes.
Key ResponsibilitiesAssess and review security architectures across enterprise environments.Evaluate cybersecurity controls within network, cloud and infrastructure platforms.Conduct technical security assessments and assurance reviews.Provide guidance on security-by-design and resilience best practices.Identify technical risks and security improvement opportunities.Engage with senior technology stakeholders on cybersecurity strategy and implementation.What We're Looking For5+ years' experience within cybersecurity engineering, architecture, consulting or assurance.Strong technical knowledge in one or more of:Network SecurityCloud SecurityIdentity & Access ManagementSecurity OperationsInfrastructure SecuritySecurity ArchitectureExperience reviewing or designing enterprise-scale security solutions.Strong communication skills and ability to influence technical and business stakeholders.Ideal BackgroundsSecurity Architect * Cloud Security Consultant * Cyber Security Engineer * Infrastructure Security Lead * Security Assurance Specialist * Technical Security Consultant * Cybersecurity Architect
GCS is acting as an Employment Business in relation to this vacancy.
Read lessDublin, Dublin County, Republic of IrelandContract
Senior Cybersecurity Assurance Consultant📍 Dublin City Centre (Hybrid) 💰 €85,000 per annum 📅 12-Month Fixed Term ContractThe OpportunityWe're... Read more
📍 Dublin City Centre (Hybrid)
💰 €85,000 per annum
📅 12-Month Fixed Term Contract
We're seeking an experienced Cybersecurity Assurance professional to join a growing team responsible for strengthening cyber resilience across large-scale, business-critical environments.
This is an excellent opportunity for a consultant or in-house security professional with a strong foundation in governance, risk, compliance, audit and assurance.
Key ResponsibilitiesLead cybersecurity risk assessments and assurance reviews.Conduct audits against recognised security frameworks and standards.Review governance, risk management and control environments.Assess organisational compliance with cybersecurity obligations and best practice.Produce assessment reports, findings and recommendations for senior stakeholders.Support continuous improvement of security assurance and compliance programmes.What We're Looking For5+ years' experience within Cybersecurity GRC, Assurance, Audit or Risk Management.Strong knowledge of frameworks such as ISO 27001, NIST, CIS Controls, COBIT or equivalent.Experience performing cyber audits, assessments or compliance reviews.Strong reporting and stakeholder management capability.Professional certifications such as CISA, CISM, CRISC, ISO 27001 Lead Auditor or similar would be advantageous.Ideal BackgroundsCybersecurity GRC Consultant * Information Security Manager * IT Risk Consultant * Security Assurance Consultant * Cyber Audit Specialist * Compliance Manager * Governance & Risk Lead
GCS is acting as an Employment Business in relation to this vacancy.
Read lessDublin, Dublin County, Republic of IrelandFixed Term Contract
SC Cleared OT Cyber Security ConsultantOutside IR35 | 6-12 Month Contract | UK Based Contract DetailsInitial 6-12 month... Read more
Outside IR35 | 6-12 Month Contract | UK Based
Contract DetailsInitial 6-12 month contract.Outside IR35.Active SC Clearance required.Single-stage interview process.The OpportunityWe are supporting a major Operational Technology (OT) Cyber Security programme within a critical infrastructure environment and are seeking an experienced OT Cyber Security Consultant to conduct assessments and inspections across operational sites throughout the UK.
The successful consultant will be responsible for reviewing OT environments, assessing security maturity against recognised industry standards, identifying risks and providing practical recommendations to improve resilience across industrial control systems.
This role would suit someone with a strong OT cyber background who is comfortable engaging with both engineering teams and senior stakeholders.
Key ResponsibilitiesConduct OT cyber security assessments and inspections across operational sites.Assess OT environments against recognised standards and frameworks, including IEC 62443.Review OT architectures, network segmentation and security controls.Assess Industrial Control System (ICS) environments, including PLC and SCADA technologies.Identify cyber security risks, vulnerabilities and areas for improvement.Produce clear assessment reports and remediation recommendations.Engage with technical, engineering and operational stakeholders.Review security controls, governance arrangements and operational processes.Support the development of OT security improvement plans and roadmaps.Provide practical, commercially focused cyber security advice.Essential ExperienceStrong Operational Technology (OT) Cyber Security experience.Previous experience conducting OT security assessments, audits or inspections.Strong knowledge of:IEC 62443ICS / Industrial Control SystemsSCADA environmentsPLC technologiesIndustrial networkingOT architecture and segmentationOT cyber security controls and best practicesStrong stakeholder engagement and consulting skills.Excellent report writing and documentation skills.Current SC Clearance.Desirable ExperienceExperience within Energy, Utilities, Manufacturing, Transport or other critical infrastructure environments.Exposure to Oil & Gas environments.Experience supporting OT security improvement or transformation programmes.Knowledge of OT operating models, governance and procurement approaches.LocationUK based.Occasional travel to operational sites as part of planned assessment activities.GCS is acting as an Employment Business in relation to this vacancy.
Read lessUnited KingdomContract
SC Cleared OT Cyber Security ConsultantOutside IR35 | 6-12 Month Contract | UK Based Contract DetailsInitial 6-12 month... Read more
Outside IR35 | 6-12 Month Contract | UK Based
Contract DetailsInitial 6-12 month contract.Outside IR35.Active SC Clearance required.Single-stage interview process.The OpportunityWe are supporting a major Operational Technology (OT) Cyber Security programme within a critical infrastructure environment and are seeking an experienced OT Cyber Security Consultant to conduct assessments and inspections across operational sites throughout the UK.
The successful consultant will be responsible for reviewing OT environments, assessing security maturity against recognised industry standards, identifying risks and providing practical recommendations to improve resilience across industrial control systems.
This role would suit someone with a strong OT cyber background who is comfortable engaging with both engineering teams and senior stakeholders.
Key ResponsibilitiesConduct OT cyber security assessments and inspections across operational sites.Assess OT environments against recognised standards and frameworks, including IEC 62443.Review OT architectures, network segmentation and security controls.Assess Industrial Control System (ICS) environments, including PLC and SCADA technologies.Identify cyber security risks, vulnerabilities and areas for improvement.Produce clear assessment reports and remediation recommendations.Engage with technical, engineering and operational stakeholders.Review security controls, governance arrangements and operational processes.Support the development of OT security improvement plans and roadmaps.Provide practical, commercially focused cyber security advice.Essential ExperienceStrong Operational Technology (OT) Cyber Security experience.Previous experience conducting OT security assessments, audits or inspections.Strong knowledge of:IEC 62443ICS / Industrial Control SystemsSCADA environmentsPLC technologiesIndustrial networkingOT architecture and segmentationOT cyber security controls and best practicesStrong stakeholder engagement and consulting skills.Excellent report writing and documentation skills.Current SC Clearance.Desirable ExperienceExperience within Energy, Utilities, Manufacturing, Transport or other critical infrastructure environments.Exposure to Oil & Gas environments.Experience supporting OT security improvement or transformation programmes.Knowledge of OT operating models, governance and procurement approaches.LocationUK based.Occasional travel to operational sites as part of planned assessment activities.
GCS is acting as an Employment Business in relation to this vacancy.
Read lessUnited KingdomContract
Head of Cybersecurity The OpportunityWe are seeking an experienced Head of Cybersecurity to join a senior leadership team... Read more
We are seeking an experienced Head of Cybersecurity to join a senior leadership team within a large, complex organisation operating in a highly regulated and rapidly evolving digital environment. The successful candidate will work closely with senior stakeholders across a broad range of organisations and industries, helping shape strategic approaches to emerging cybersecurity, technology and resilience requirements.
The RoleThe Head of Cybersecurity will lead and develop a multidisciplinary team of experienced engagement and policy professionals. The role will involve significant engagement with senior stakeholders across industry, technology, public and private sector organisations, professional networks and other key stakeholder groups.
A key part of the position will be monitoring and analysing the evolving cybersecurity and resilience landscape, providing strategic advice to senior leadership and contributing to the development and implementation of organisational policies, frameworks and initiatives.
This is an opportunity for an experienced cybersecurity leader to play a key role in shaping how organisations understand and respond to evolving cybersecurity and digital resilience requirements.
Key ResponsibilitiesLead and manage stakeholder engagement activities across cybersecurity, technology and resilience programmes.
Develop and maintain strong relationships with senior stakeholders across industry, technology and wider organisational networks.
Represent the organisation at relevant cybersecurity forums, working groups, conferences and strategic engagements.
Lead awareness initiatives, events and communications relating to cybersecurity and digital resilience.
Provide expert analysis and advice on emerging cybersecurity, technology, regulatory and policy developments.
Monitor developments across the cybersecurity and resilience landscape and assess their potential organisational impact.
Desired ExperienceSignificant senior-level experience within cybersecurity, technology, policy, regulation, risk or a closely related discipline.
Proven experience leading stakeholder engagement, policy development or strategic programmes within a complex organisation.
Strong leadership experience, including managing and developing multidisciplinary teams
Strong understanding of evolving cybersecurity and digital resilience legislation, standards and regulatory requirements.
Experience working within a regulated, highly governed or complex organisational environment.
Experience leading large-scale cybersecurity, technology, regulatory or organisational change initiatives.
Experience developing, managing or responding to consultation and engagement programmes.
GCS is acting as an Employment Agency in relation to this vacancy.
Read lessDublin, Dublin County, Republic of IrelandPermanent
Penetration Tester 📍 Remote | Europe 🕒 Full-Time Our client is looking for a Penetration Tester with 3+... Read more
Penetration Tester
📍 Remote | Europe
🕒 Full-Time
Our client is looking for a Penetration Tester with 3+ years of experience to join a growing security consultancy team.
Key Focus Areas:
Web Application Security TestingAPI Security TestingAuthentication & Access Control ReviewsVulnerability Validation & ExploitationClient Reporting and Remediation Guidance
Requirements:
3+ years' hands-on penetration testing experienceStrong knowledge of OWASP Top 10 and API Security Top 10Experience with tools such as Burp Suite, Nmap, and NessusStrong report writing and client communication skills
Highly preferred to have:
CREST certifications (CRT/CCT), or OSCP+ and/or BSCPExperience with cloud security testingExposure to AI/LLM security assessments
Join a collaborative team working on modern web applications, APIs, cloud platforms, and emerging AI technologies, with strong support for training and certifications.
GCS is acting as an Employment Agency in relation to this vacancy.
Read lessGermanyPermanentRemote
🔐 Information Security Consultant | Remote (UK & Ireland)📍 Remote (UK & Ireland)💼 Permanent🚫 Sponsorship is not availableAre... Read more
📍 Remote (UK & Ireland)
💼 Permanent
🚫 Sponsorship is not available
GCS is acting as an Employment Agency in relation to this vacancy.
Read lessGreater London, United KingdomFull TimeRemote
🔐 Information Security Specialist | Remote (UK & Ireland)📍 Remote (UK & Ireland) 💼 Permanent 🚫 Sponsorship is... Read more
📍 Remote (UK & Ireland)
💼 Permanent
🚫 Sponsorship is not available
GCS is acting as an Employment Agency in relation to this vacancy.
Read lessRepublic of IrelandFull TimeRemote
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