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...

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...

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...

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...

Cyber Security Engineer

Added 02/09/2026

Cyber Security Engineer Secure by Design & Security Platforms6-Month Contract | Inside IR35 | London 1-2 Days Per WeekWe're seeking a hands-on Cyber Security Engineer to embed Secure by Design principles across technology programmes while helping improve and optimise a suite of enterprise security platforms.This is an excellent opportunity for a security professional who enjoys working across architecture, engineering and delivery teams, influencing projects from inception through to deployment while providing practical, pragmatic security guidance.Key Experience✅ Secure by Design & Security Assurance ✅ Security Architecture & Design Reviews ✅ Threat Modelling & Risk Identification ✅ Microsoft Security Stack (Identity, Endpoint,...

Cyber Security Architect - OutsideIR35

Added 31/07/2026

Security Architect - Consultant Advisory12-Month Contract | Outside IR35 | Hybrid (2 days per week on-site)Location: West London / Greater LondonWe 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...

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...

Director - Cyber Security Consulting

Added 12/05/2026

Role OverviewWe are seeking an experienced Cyber Security Director to provide strategic and day‑to‑day leadership across a wide range of cybersecurity initiatives for our clients. This role is central to shaping, delivering, and overseeing high‑impact security programmes, while advising senior stakeholders on risk, resilience, and organisational security maturity.You will work closely with executive teams, technology leaders, and operational stakeholders to design and implement cybersecurity strategies, lead crisis and incident response efforts, and guide clients through complex security challenges. The role requires a strong consulting mindset, the ability to manage multiple engagements simultaneously, and a passion for driving measurable improvement in...

OT Cyber Security Project Manager - Fully Remote

Added 06/05/2026

OT Cyber Security Project Manager - 6-month rolling - Inside IR35 - Fully RemoteI'm hiring for an experienced OT Cyber Security Project Manager to lead the delivery of Cyber Security improvements across an Operational Technology environment.Must have managed OT Cyber projects end-to-end, from conception to delivery!If interested, please drop me a message or an email to [email protected] is acting as an Employment Business in relation to this vacancy.

Cyber Programme Manager

Added 10/07/2026

Cyber Security Programme ManagerDuration: 12 month rolling day rate contract 600-700 per day Location: Dublin Onsite Requirement: 3 to 4 days onsite per weekSummary of RoleWe're looking for an experienced Information Security Programme Manager to lead and deliver a broad range of cyber security initiatives within a growing organisation.This is a hands-on leadership role where you'll drive security improvements, strengthen governance, manage security risks, and support major technology change programmes.You'll work closely with IT teams, business stakeholders, and external partners to ensure security remains a core part of the organisation's strategy and operations.Key ResponsibilitiesLead information security projects and programmes from...