Cyber Threat and Controls Consultant - B2B

Added 12/05/2026

Role: Cyber Threat and Controls Consultant - B2BDuration: 6-month rolling contractWorking 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.In this role you will perform threat and control assessments across the business, you'll partner with architects, developers and cloud specialists across the business to review designs, challenge assumptions, and ensure services are built with strong security foundations. You'll also contribute to improving the threat‑assessment process, sharing your expertise across a global community and helping uplift security practices across the organisation.Must have:Strong understanding...

Cyber Threat and Controls Consultant - B2B

Added 06/04/2026

Role: Cyber Threat and Controls Consultant - B2BDuration: 6-month rolling contractWorking 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.In this role you will perform threat and control assessments across the business, you'll partner with architects, developers and cloud specialists across the business to review designs, challenge assumptions, and ensure services are built with strong security foundations. You'll also contribute to improving the threat‑assessment process, sharing your expertise across a global community and helping uplift security practices across the organisation.Must have:Strong understanding...

Security Architect - B2B

Added 12/05/2026

Role: Security Architect (AppSec and Network Security) - B2BDuration: 6-month rolling contractWorking 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. They are now looking for a Security Architect who has extensive experience managing end-to-end solution designs within large-scale transformation programmes with a heavy focus on Network Security and Application Security Proven experience producing high-level solution designs in line with business requirements.Proven ability to conduct security assessments and threat modelling to inform design decisions.Strong background in cybersecurity, with deep expertise in network...

Cyber Security Analyst - B2B

Added 12/05/2026

Role: Cyber Security AnalystDuration: 6-month rolling contractWorking Pattern: Krakow, Hybrid - Handful of days per monthGCS 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 Cyber Security Analyst 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...

Security Operations Engineer - B2B

Added 12/05/2026

Role: Security Operations EngineerDuration: 6-month rolling contractWorking Pattern: Hybrid - multiple UK locationsGCS Cyber are partnered with a global organisation enhancing their Cyber Security Operations capability as part of a wider security transformation. They are now seeking a Security Operations Engineer with deep hands‑on experience across SecOps tooling, detection engineering and incident response enablement.Key ResponsibilitiesEngineer and optimise SIEM, EDR/XDR, SOAR, PAM and vulnerability platforms.Develop and tune detections (KQL/Sigma) to improve visibility and reduce false positives.Support SOC teams with investigations, tooling improvements and root cause analysis.Build automation workflows and SOAR playbooks to streamline response.Improve logging, telemetry and threat‑hunting capabilities.Ensure platform health,...

Cloud Security Assessment Specialist - B2B

Added 12/05/2026

Role: Cloud Security Assessment Specialist - B2BDuration: 6-month rolling contractWorking 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...

Cloud Security Consultant - B2B

Added 12/05/2026

Role: Cloud Security Consultant - B2BDuration: 6-month rolling contractWorking 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...

Cloud Security Assessment Specialist - B2B

Added 06/04/2026

Role: Cloud Security Assessment Specialist - B2BDuration: 6-month rolling contractWorking 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...

Cloud Security Consultant - B2B

Added 06/04/2026

Role: Cloud Security Consultant - B2BDuration: 6-month rolling contractWorking 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...

Cloud Security Consultant (Google Cloud) - B2B

Added 06/04/2026

Role: Cloud Security Consultant (Google Cloud)Duration: 6-month rolling contractWorking 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...

Cloud Security Consultant (CNAPP) - B2B

Added 06/04/2026

Role: Cloud Security Consultant (CNAPP)Duration: 6-month rolling contractWorking Pattern: Krakow, Hybrid - Handful of days per monthGCS 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...

IT Business Analyst (Public Sector Exp and Active SC Required)

Added 01/07/2026

ROLE PURPOSEBusiness Analysts are responsible for eliciting, analysing, and documenting business requirements for the PMP programme, ensuring solutions address operational needs and deliver measurable improvements. PRINCIPAL ACCOUNTABILITIESEngage with operational and enabling stakeholders to gather, analyse and clarify business requirements.Translate business needs into clear, structured artefacts including process maps, user stories and functional specifications.Ensure requirements are documented accurately, clearly and to agreed PMP standards.Support testing and acceptance activities by validating delivered solutions against approved business requirements.Assist with User Acceptance Testing (UAT), clarifying acceptance criteria and supporting issue resolution.Maintain traceability between requirements, delivered solutions and expected benefits.Support assurance and governance activity by...

Cyber Threat and Vulnerability Manager

Added 15/06/2026

As a Cyber Threat & Vulnerability Manager, you will play a key role within the Security Operations function, leading the organisation's threat intelligence, vulnerability management, and intelligence-led testing capabilities across both IT and OT environments. Working closely with cybersecurity leadership, enterprise architects, programme delivery teams, and key business stakeholders, you will ensure that Threat and Vulnerability Management (TVM) services are effective, scalable, and continuously improved.This role contributes to the cyber resilience by driving a risk-based approach to vulnerability management, embedding threat intelligence into operational and strategic decision-making, and enhancing security maturity across the organisation. You will lead a team of...

Head of Commercial - Retail, Transport and Mobile

Added 23/04/2026

Role: Head of Commercial - Retail, Transport and MobileReports to: Commercial Director - Technical Services Key Objective:To identify and maximise commercial opportunities and minimise commercial risks associated with the contracts within Retail, Transport and Mobile, whilst ensuring compliance with our obligations. Key Responsibilities: Providing appropriate commercial support to Account directors / account managers for accounts within Retail, Transport and Mobile throughout the account life cycle (including but not limited to preparing and maintaining e.g. contract obligations trackers, contract specific commercial processes, variations / changes, contract notices, etc);Ensure cyclical commercial activities (e.g. annual contract price increases for CiL and indexation) are...

Change and Transformation Lead

Added 21/04/2026

Role OverviewWe are seeking an experienced Programme Lead - Change & Transformation to drive a large-scale operational integration programme across multiple business units within a fast-growing organisation.This role will be responsible for delivering a strategic transformation initiative focused on business integration, process standardisation, and synergy realisation, while supporting aggressive growth targets.You must have experience within Power & Grid or Facilities Management or Construction DomainKey ResponsibilitiesLead a complex business transformation programme involving multiple delivery-focused business unitsDrive operational integration across organisations with overlapping capabilitiesIdentify and implement synergies while maintaining individual business identities/brandsEstablish and build a PMO function from scratch, including governance, reporting,...