OT Cyber Security Engineer (Outside IR35)

Added 07/04/2026

OT Cyber Security Engineer - Contract (Outside IR35)Location: UK (Remote with occasional travel) Duration: 12 Months Rate: Competitive (Outside IR35)The OpportunityWe're supporting a major programme within the OT / Industrial Cyber Security space, delivering security improvements across critical environments.This is a project focused contract, ideal for an experienced OT Cyber Security Engineer who has worked within live industrial environments and understands the challenges of securing legacy and operational systems.Key ResponsibilitiesDeliver OT security improvements across industrial environmentsSupport security assessments, risk identification, and remediation activitiesWork closely with engineering and operational teams to implement controlsContribute to network segmentation, asset visibility, and monitoring initiativesSupport...

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...

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...

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 Security Transformation Manager - OutsideIR35

Added 07/04/2026

Cyber Security Transformation Manager - Contract (Outside IR35)Location: UK - Manchester or London (Remote with occasional travel) Duration: 12 Months Rate: £950-£1,050/day (Outside IR35)The OpportunityWe're partnering with a fast-growing retail client on a 12-month cyber security transformation programme.This role is ideal for a hands-on Transformation Manager who can deliver enterprise-wide cyber initiatives, implement security tooling, and drive compliance improvements to support the client's rapid growth.You will work closely with internal stakeholders, operational teams, and vendors to ensure successful delivery of multiple workstreams, balancing strategic oversight with practical implementation.Key ResponsibilitiesLead delivery of cyber security transformation projects across multiple workstreamsImplement and optimise...

Cyber Security Transformation Lead

Added 07/04/2026

Cyber Security Transformation Lead - Tier 1 Bank Location: London, UK (1-2 days a week on-site) Duration: 12 Months Rate: 650pd-750pd (Inside IR35)The OpportunityWe're supporting a Tier 1 Bank on a large-scale cyber security transformation programme. This is a 12-month contract for a Transformation Lead to drive SOC build, cloud security initiatives, and regulatory compliance uplift across multiple business units.You'll work closely with senior stakeholders to deliver high-impact outcomes in a complex, regulated environment.Key ResponsibilitiesLead multi-workstream cyber security transformation across SOC, cloud, and complianceEngage with executive stakeholders to align programme outcomes with business strategyDrive programme governance, reporting, and deliveryCoordinate teams,...

Cyber Security Program Manager

Added 07/04/2026

Cyber Security Program Manager - Contract Location: UK (Hybrid / Remote options available) Duration: 6-12 Months Rate: £800-£1,050 per day The OpportunityWe're supporting a number of organisations across the UK delivering large-scale cyber security and technology transformation programmes.These engagements are focused on driving complex change across areas such as cloud security, SOC transformation, regulatory uplift, and enterprise-wide security improvements.This is suited to Programme Managers who are comfortable operating across both technical and business stakeholders, with a track record of delivering high-impact security programmes.Key ResponsibilitiesLead end-to-end delivery of cyber security or technology transformation programmesManage multiple workstreams across security, infrastructure, and business...

Director - Cyber Security Consulting

Added 06/04/2026

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...

Cyber Security Program Manager

Added 06/04/2026

Cyber Security Programme Manager ContractLocation: Remote / Hybrid (London-based gaming studio) Contract Length: 9-18 months Start Date: ASAP Rate: Senior Day Rate (Outside IR35 where applicable)About the RoleOur client, a leading gaming organisation, is seeking a highly skilled and experienced Cyber Security Programme Manager to lead a complex portfolio of security initiatives following a recent merger and acquisition. The acquired company has a distinctly different technology estate and security maturity level, requiring a senior leader who can manage multi‑stream integration, uplift programmes, and alignment with Private Equity and VC post‑acquisition expectations.The ideal candidate is a seasoned security leader who excels...

Cyber Security Project Manager

Added 06/04/2026

Cyber Security Project ManagerContractLocation: Remote / Hybrid (London-based gaming studio) Contract Length: 6-12 months Start Date: ASAP Rate: Competitive (Outside IR35 where applicable)About the RoleOur client, a leading gaming company, is seeking an experienced Cyber Security Project Manager Contractor to oversee and drive security workstreams associated with a major merger and acquisition (M&A) integration. The acquisition introduces a new technology estate with differing standards, tools, and security maturity, requiring a dedicated leader to coordinate activities, mitigate risks, and ensure a secure and seamless integration.This is a senior, hands‑on project leadership role managing cross‑functional teams, third‑party suppliers, and security engineering streams...

Cyber Security Consultant

Added 31/03/2026

The core cybersecurity function responsible for protecting systems, networks, and products across the business.This team plays a critical role in:Managing and responding to cybersecurity incidents (SOC environment)Onboarding newly acquired companies into security standardsDriving consistency across security controls, monitoring, and complianceThe role is highly cross-functional, working with Security Engineering, Operations, and GRC teams, with regular stakeholder interaction and visibility.Key SkillsStrong incident response & SOC experience (alert triage, investigations, escalation)Hands-on experience with SIEM / log analysis tools (e.g. Splunk or similar)Ability to set up and tune monitoring & alerting for threat detectionExperience implementing security controls, vulnerability management, and compliance monitoringStrong stakeholder management...

Security Architect (AppSec and Network Security) - B2B

Added 06/04/2026

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 Threat Intelligence Lead

Added 12/05/2026

Cyber Threat Intelligence LeadContractIndustry: National Transport & Infrastructure Location: Hybrid (The Hague) Contract Length: 12 monthsAbout the RoleA major transport infrastructure organisation is expanding its national cyber defence capability and seeks a Cyber Threat Intelligence Lead to build its CTI function from the ground up. You will provide strategic and operational intelligence across both IT and OT environments.Key ResponsibilitiesEstablish and lead the organisation's threat intelligence programme.Monitor, analyse, and disseminate intelligence on campaigns targeting OT and transport systems.Collaborate with government partners and private sector information‑sharing groups.Feed intelligence into SOC, IR, and vulnerability management functions.Produce high‑quality threat reports for executive and operational...

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...