Cloud Security ArchitectContractIndustry: Global FinTech Platform Location: Hybrid (Amsterdam) Contract Length: 6-12 monthsAbout the RoleA leading FinTech provider... Read more
Cloud Security Architect
Contract
Industry: Global FinTech Platform
Location: Hybrid (Amsterdam)
Contract Length: 6-12 months
About the Role
A leading FinTech provider is modernising its global cloud footprint and requires a Cloud Security Architect to design, implement, and govern cloud security standards across multi‑cloud estates. You will be the senior technical authority shaping how secure‑by‑design cloud services are built.
Key Responsibilities
Design secure architectures across AWS and Azure for high‑volume financial services.Define IaC security standards, encryption baselines, and identity patterns.Lead threat modelling, architectural risk assessments, and cloud posture reviews.Support engineering teams with secure build patterns, guardrails, and security automation.Act as a technical SME for cloud security governance and architectural boards.Skills & Experience
Expert-level knowledge of AWS/Azure native security services.Strong Terraform, Kubernetes, container security, and CI/CD familiarity.Experience in regulated sectors (finance ideal).
GCS is acting as an Employment Business in relation to this vacancy.
Read lessRole: Cloud Security Assessment Specialist - B2BDuration: 6-month rolling contractWorking Pattern: Krakow, Hybrid (handful of days per month)GCS... Read more
Role: Cloud Security Assessment Specialist - B2B
Duration: 6-month rolling contract
Working Pattern: Krakow, Hybrid (handful of days per month)
GCS Cyber are partnered with a global financial services organisation as they continue to strengthen their Cloud Security Assessment function. This role focuses on ensuring cloud‑hosted services meet mandatory security controls before moving into production. You'll act as a senior cloud security specialist, providing assurance, consultancy, and oversight across complex multi‑cloud environments.
What you'll be doing:
Executing Cloud Security Assessment reviews for cloud‑hosted services and managing reviews raisedProviding cloud security consultancy to engineering and application teams, supporting secure design and smooth transition into production.Assessing and applying cloud security controls, ensuring alignment with HSBC standards and regulatory expectations.Driving continuous improvement across assessment processes, including automation, data‑driven insights, and capability uplift.Must have:
Strong hands‑on experience with Google Cloud Platform AWS, plus exposure to at least one additional cloud platform (Azure or Alibaba Cloud).Solid understanding of cloud security controls, risk, and control frameworks.Working knowledge of scripting and tooling such as Python, Bash, PowerShell, SQL etc…Excellent stakeholder management and communication skills, with the ability to influence across global technology and business teams.To find out more, please apply now or send a copy of your CV to [email protected]
GCS is acting as an Employment Business in relation to this vacancy.
Read lessRole: Cloud Security Consultant - B2BDuration: 6-month rolling contractWorking Pattern: Krakow, Hybrid (handful of days per month)GCS Cyber... Read more
Role: Cloud Security Consultant - B2B
Duration: 6-month rolling contract
Working Pattern: Krakow, Hybrid (handful of days per month)
GCS Cyber are working with a global financial services organisation as they continue to strengthen and optimise their Cloud Cyber Security capability. This role focuses on driving cloud security maturity, automation, and governance, with a strong emphasis on Python‑based development alongside hands‑on cyber security expertise.
What you'll be doing:
Designing, developing, and enhancing cloud security solutions and automation using Python web frameworks (e.g. Flask, Django, FastAPI).Assessing and improving cloud security posture and maturity, including cloud security controls, baseline governance, and security scoring initiatives.Must have:
Strong hands‑on experience securing cloud environments across one or more major cloud providers.Solid background in cyber security governance, including security controls, configuration baselines, and vulnerability assessment (e.g. CVSS).Proven track record delivering well written, well-structured web applications using (but not limited to) Flask, Django, FastAPITo find out more, please apply now or send a copy of your CV to [email protected]
GCS is acting as an Employment Business in relation to this vacancy.
Read lessAWS Security Architect (Contract)Location: Remote (UK-based)Clearance: SC Cleared (Required) - Must have active clearanceContract Type: Day Rate ContractOverviewWe... Read more
AWS Security Architect (Contract)
Location: Remote (UK-based)
Clearance: SC Cleared (Required) - Must have active clearance
Contract Type: Day Rate Contract
Overview
We are seeking an experienced AWS Security Architect for my client to support the enhancement and optimisation of cloud security across a large-scale AWS environment. You will work closely with platform engineering teams to strengthen security controls, improve tooling, and ensure best practice adoption across the AWS estate.
Key Responsibilities
Design and implement secure AWS architectures aligned with industry best practicesCollaborate with platform engineering teams to embed security into cloud-native solutionsAssess and improve existing AWS security tools and controlsEnhance the organisation's cloud security posture through continuous improvement initiativesProvide architectural guidance on AWS-native security services and configurationsConduct security reviews, risk assessments, and recommend remediation strategiesSupport the development of secure-by-design principles across engineering teamsKey Skills & Experience
Strong experience as a Security Architect within AWS environmentsDeep knowledge of AWS native security tools, such as:IAM, GuardDuty, Security Hub, Config, CloudTrail, KMSExperience working with platform engineering or DevOps teamsProven ability to design and improve cloud security architectures and toolingStrong understanding of cloud security frameworks and best practices (e.g. CIS, NIST)Experience conducting security assessments and implementing improvementsGCS is acting as an Employment Business in relation to this vacancy.
Read lessSplunk Security Specialist - Contract - Needed - 6 Months - London based - Financial services experience needed.... Read more
Splunk Security Specialist - Contract - Needed - 6 Months - London based - Financial services experience needed.
Build detections. Break threats. Level up SOCs.
We need Splunk Specialist to lead end‑to‑end Splunk ES engagements for enterprise clients. This is a delivery first contract role, designing detections, tuning alerts, and building dashboards that SOC teams actually use.
You'll sit inside a modern Security Practice covering MDR, Incident Response, Vulnerability Management, Pen Testing and Security Advisory, working on meaningful security problems - not BAU dashboard babysitting.
What You'll Do
* Design and deliver Splunk ES from requirements to production
* Build high-quality detections, correlation searches and risk-based alerting
* Write sharp SPL for threat detection and hunting
* Map detections to MITRE ATT&CK
* Onboard, normalise and enrich logs across Windows and Linux
* Create clear, operational dashboards for SOC teams
* Support automation and orchestration initiatives (SOAR exposure a plus)
* Use Python and PowerShell to automate and enrich workflows
* Work closely with SOC, IR and engineering teams
* Coach junior engineers when needed - no people management fluff
What We're After
* Strong hands-on Splunk Enterprise Security experience
* Proven delivery on complex, client-facing cyber projects
* Solid SOC knowledge (IAM, incident response, detection engineering)
* Sharp analytical mindset
* Confident stakeholder communication
* Eligibility to work in the UK
Nice to Have
* SOAR or UEBA experience
* Large-scale cyber or infrastructure programme experience
* Enjoys knowledge sharing and mentoring
GCS is acting as an Employment Business in relation to this vacancy.
Read lessCloud Security Architect ContractIndustry: Global FinTech Platform Location: Hybrid (Amsterdam) Contract Length: 6-12 monthsAbout the RoleA leading FinTech... Read more
Cloud Security Architect
Contract
Industry: Global FinTech Platform
Location: Hybrid (Amsterdam)
Contract Length: 6-12 months
About the Role
A leading FinTech provider is modernising its global cloud footprint and requires a Cloud Security Architect to design, implement, and govern cloud security standards across multi‑cloud estates. You will be the senior technical authority shaping how secure‑by‑design cloud services are built.
Key Responsibilities
Design secure architectures across AWS and Azure for high‑volume financial services.Define IaC security standards, encryption baselines, and identity patterns.Lead threat modelling, architectural risk assessments, and cloud posture reviews.Support engineering teams with secure build patterns, guardrails, and security automation.Act as a technical SME for cloud security governance and architectural boards.Skills & Experience
Expert-level knowledge of AWS/Azure native security services.Strong Terraform, Kubernetes, container security, and CI/CD familiarity.Experience in regulated sectors (finance ideal).GCS is acting as an Employment Business in relation to this vacancy.
Read lessRole: Cloud Security Consultant - B2BDuration: 6-month rolling contractWorking Pattern: Krakow, Hybrid (handful of days per month)GCS Cyber... Read more
Role: Cloud Security Consultant - B2B
Duration: 6-month rolling contract
Working Pattern: Krakow, Hybrid (handful of days per month)
GCS Cyber are working with a global financial services organisation as they continue to strengthen and optimise their Cloud Cyber Security capability. This role focuses on driving cloud security maturity, automation, and governance, with a strong emphasis on Python‑based development alongside hands‑on cyber security expertise.
What you'll be doing:
Designing, developing, and enhancing cloud security solutions and automation using Python web frameworks (e.g. Flask, Django, FastAPI).Assessing and improving cloud security posture and maturity, including cloud security controls, baseline governance, and security scoring initiatives.Must have:
Strong hands‑on experience securing cloud environments across one or more major cloud providers.Solid background in cyber security governance, including security controls, configuration baselines, and vulnerability assessment (e.g. CVSS).Proven track record delivering well written, well-structured web applications using (but not limited to) Flask, Django, FastAPITo find out more, please apply now or send a copy of your CV to [email protected]
GCS is acting as an Employment Business in relation to this vacancy.
Read lessRole: Cloud Security Consultant (Google Cloud)Duration: 6-month rolling contractWorking Pattern: Krakow, Hybrid (handful of days per month)GCS Cyber... Read more
Role: Cloud Security Consultant (Google Cloud)
Duration: 6-month rolling contract
Working Pattern: Krakow, Hybrid (handful of days per month)
GCS Cyber are partnered with a global financial services organisation undergoing multiple large-scale transformation programmes across their Cyber Security division, including scaling their cloud security capability. As part of a wider initiative to mature and scale cloud security engineering, we are looking for a Cloud Security Consultant to support security governance, controls, and compliance across Google Cloud environments.
What you'll be doing:
Reviewing and assessing security exception and risk acceptance requests from global business and technology teams, ensuring compliance with cloud security controls.Providing cloud security consultancy to engineering and application teams, supporting the secure design and transition of services into production.Enhancing and developing cloud security capabilities, including automation, governance, dashboards, and reporting.Supporting the assessment and application of Google Cloud security controls across a range of services.Must have:
Hands‑on experience with Google Cloud Platform security.Strong understanding of cloud security principles, controls, and frameworks (e.g. CIS, NIST).Experience reviewing security controls, governance, or risk within cloud environments.Experience in Financial Services is an advantageTo find out more, please apply now or send a copy of your CV to [email protected]
GCS is acting as an Employment Business in relation to this vacancy.
Read lessRole: Cloud Security Consultant (CNAPP)Duration: 6-month rolling contractWorking Pattern: Krakow, Hybrid - Handful of days per monthGCS Cyber... Read more
Role: Cloud Security Consultant (CNAPP)
Duration: 6-month rolling contract
Working Pattern: Krakow, Hybrid - Handful of days per month
GCS Cyber are partnered with a global financial services organisation undergoing multiple large-scale transformation programmes across their Cyber Security division, including scaling their cloud security capability. We're hiring a Cloud Security Consultant to help drive the maturity of our cloud security posture and play a key role in developing and enhancing our CNAPP tooling.
What you'll be doing:
Enhancing and developing CNAPP capabilities, including automation, governance, dashboards, and reportingWorking closely with cloud engineers, architects, and cyber teams to align with mandatory controls and best practiceDriving continuous improvement and adoption of cloud security standards across multi‑cloud environmentsMust have:
Strong hands‑on experience with CNAPP platformsSolid understanding of cloud security principles and frameworks (CIS, NIST)Experience across AWS, Azure, or GCPFinancial Services experience is an advantage.To find out more, please apply now or send a copy of your CV to [email protected]
GCS is acting as an Employment Business in relation to this vacancy.
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