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...

Network Security Consultant

Added 27/05/2026

Senior Network Security Consultant (DORA Programme) - ContractLocation: Fully Remote (Europe)Preferred Location: PolandContract Duration: 12 months initial (strong likelihood of extension)Start Date: ASAP OverviewWe are supporting a major European financial services organisation on a large-scale DORA compliance programme and are looking to onboard multiple Senior Network Security Consultants on a contract basis.This is a high-impact engagement focused on delivering third-party infrastructure and security assessments at scale. You will join an established Cloud & Network Security function, contributing to critical regulatory compliance activities. The RoleAs a Senior Consultant, you will operate at a strategic and advisory level, focusing on assessment, architecture...

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...

Senior Consultant - AI Security & Threat Modelling

Added 21/04/2026

Senior Consultant - AI Security & Threat Modelling (GenAI / Agentic AI)We are supporting a large, regulated financial services organisation that is building a central GenAI threat‑modelling and consultancy capability. This role sits within a specialist threat‑modelling team, advising GenAI and Agentic AI projects early in design, before solutions reach production. This is not a coding role and not a general cyber role. Key ResponsibilitiesHands‑on threat modelling of GenAI and Agentic AI systemsAdvising application teams on AI‑specific risks, including:Prompt injectionAgent intent hijackingUnsafe autonomy and tool misuseMissing safety rails / kill switches (e.g. MCP‑style controls)Misalignment and behavioural driftActing as an internal...

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...

Cyber Security Director

Added 16/07/2026

Associate Director - Cyber Security Location: OxfordshireContract Type: Day Rate ContractOverviewWe are seeking an experienced Associate Director of Cyber Security to lead and enhance cyber security operations for my client. This is a hands on leadership role responsible for driving cyber strategy, managing security operations, and improving security across a hybrid Azure, AWS, and on-premise environment.Key ResponsibilitiesLead cyber security strategy and day-to-day security operationsDesign and implement security architecture across Azure, AWS and on-prem environmentsOwn SIEM, SOAR, EDR and vulnerability management platformsManage external SOC providers and oversee incident responseDrive cyber governance, risk management and compliance initiativesDevelop security policies, standards and awareness...

Cyber Security Director

Added 15/07/2026

Associate Director - Cyber Security Location: OxfordshireContract Type: Day Rate ContractOverviewWe are seeking an experienced Associate Director of Cyber Security to lead and enhance cyber security operations for my client. This is a hands on leadership role responsible for driving cyber strategy, managing security operations, and improving security across a hybrid Azure, AWS, and on-premise environment.Key ResponsibilitiesLead cyber security strategy and day-to-day security operationsDesign and implement security architecture across Azure, AWS and on-prem environmentsOwn SIEM, SOAR, EDR and vulnerability management platformsManage external SOC providers and oversee incident responseDrive cyber governance, risk management and compliance initiativesDevelop security policies, standards and awareness...

Cyber Security Engineer (OUTSIDE IR35)

Added 14/07/2026

Cyber Security Engineer - Microsoft 365 & Azure6-Month Contract | Outside IR35 | £350-400 per day | Remote (UK) | 1-2 Days per Month On-Site (South West London)A leading public sector organisation is looking for a Cyber Security Engineer to support a major cyber security improvement programme.Working alongside the Cyber Security, Infrastructure and Platform teams, you'll help deliver a range of security enhancements across Microsoft 365, Azure and AWS, strengthening the organisation's overall security posture while improving identity, endpoint, cloud and data protection capabilities.This is a fantastic opportunity for someone who enjoys hands-on engineering and wants to be involved in...

Senior Cyber Security Engineer

Added 15/06/2026

As a Senior Cyber Security Engineer, you will play a critical role in delivering cyber strategies, with responsibility for the design, implementation, and ongoing effectiveness of security capabilities across IT and OT environments.You will engineer and maintain the technical capabilities that enable early threat detection, rapid and consistent response, and sustained cyber risk reduction, while translating cyber risk, regulatory, and business demands into practical, measurable, and operationally sustainable security controls.This is a hands‑on engineering role for individuals who enjoy building resilient security capabilities, integrating platforms and telemetry, and turning strategy, risk, and incident learnings into practical engineering outcomes. The role...

Cyber Security Manager

Added 11/06/2026

🔐 Cybersecurity Manager (Audit & Compliance) - Los Angeles, CA📍 Location: Los Angeles, CA 📄 Duration: 12+ Month Contract (C2H Possible) 🏢 Work Model: Hybrid🚀 About the RoleJoin as a Cybersecurity Manager leading large-scale security audit and compliance programs. You'll ensure audit readiness, drive remediation, and align enterprise systems with industry standards.🛠️ ResponsibilitiesLead enterprise audit and compliance initiativesOversee risk assessments and vulnerability remediationDrive adherence to ISO 27001, SOC2, NISTPartner with cross-functional teams and stakeholdersProvide executive-level reporting on audit progress✅ Requirements7-10+ years in cybersecurity or compliance rolesExperience with audit, risk, and governance programsStrong stakeholder communication skillsPreferred certifications: CISSP, CISM, CISA, PMP...

Cyber Security Manager

Added 11/06/2026

🔐 Cybersecurity Manager (Audit & Compliance) - Irvine, CA📍 Location: Irvine, CA 📄 Duration: 12+ Month Contract (C2H Possible) 🏢 Work Model: Hybrid🚀 About the RoleWe are hiring a Cybersecurity Manager to lead enterprise audit and compliance initiatives, focusing on ISO 27001, SOC2, and NIST frameworks. You'll drive audit readiness, manage remediation efforts, and ensure security compliance across the organization.🛠️ ResponsibilitiesLead internal & external cybersecurity auditsManage audit findings, risk, and remediation effortsEnsure compliance with ISO, SOC2, NIST frameworksCollaborate with IT & Security teams to close gapsTrack and report audit status to leadership✅ Requirements7-10+ years in cybersecurity, audit, or complianceStrong knowledge...

OT Cyber Security Delivery Manager

Added 01/06/2026

Role: OT Cyber Security Delivery ManagerDuration: 6 month rollingRate: Up to £650 Inside IR35Location: London (2 days onsite)I'm supporting an urgent requirement for an experienced OT Cyber Security Delivery Manager to drive the delivery of security improvements across a complex OT environment.This role is very much delivery-led, so we need someone who has hands-on experience implementing OT security controls, owning execution across initiatives like IT/OT segmentation, NIS2, and secure access.What we're looking for:Proven experience leading and delivering OT cyber programmes/projects end-to-end (IEC62443 / NIST aligned)Strong experience across ICS/SCADA and OT environmentsAbility to drive delivery across engineering, cyber, and operations teamsTo...