Cyber Security Engineer - London

GCS; Greater London; On-site; GBP 70,000 - 110,000; Part time

Job summary

GCS in London is seeking a hands-on Cyber Security Engineer to embed Secure by Design across technology programmes while helping improve and optimise a suite of enterprise security platforms. This is a 6-month contract role inside IR35 with London-based on-site working 1 to 2 days per week.

We offer 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

Qualifications

• Strong experience delivering Secure by Design outcomes in enterprise environments.
• Experience reviewing solution architectures and pragmatic security controls.
• Hands-on with Microsoft security technologies and IAM tooling.
• Exposure to cloud, infrastructure, applications and integration security.
• Ability to operate independently in a fast-paced setting.
• Security Architecture or Engineering background; regulated infrastructure preferred.

Responsibilities

• Embed security into projects from day one and drive secure design.
• Conduct security design reviews and lightweight threat modelling.
• Drive security assurance throughout the delivery lifecycle.
• Enhance configuration and adoption of security platforms.
• Support onboarding and implementation of new tooling.
• Act as liaison between Security, Architecture, Engineering and Delivery teams.
• Develop standards and guidance to improve secure-by-design outcomes.
• Manage platform-related requests and vendor engagement.

Skills

Secure by Design

Threat modelling

Security architecture

Independent worker

Delivery lifecycle security

Security contractor mindset

Tools

Microsoft security technologies

IAM (One Identity)

IAM (Delinea)

IAM (StrongDM)

Cloud security

Job description

Salary: £? - ? per year

Requirements:

• Strong experience delivering Secure by Design outcomes within complex enterprise environments.
• Experience reviewing solution architectures and identifying pragmatic security controls.
• Hands-on experience with Microsoft security technologies.
• Exposure to cloud, infrastructure, applications and integration security.
• Experience supporting or administering security tooling and platforms.
• Ability to operate independently and quickly add value in a fast-paced environment.
• Security Architecture or Engineering background.
• IAM technologies such as One Identity, Delinea or StrongDM.
• Experience within regulated, utilities, energy or critical infrastructure environments.

Responsibilities:

• Embed security into projects and programmes from day one.
• Conduct security design reviews and lightweight threat modelling.
• Drive security assurance throughout the delivery lifecycle.
• Enhance configuration, adoption and effectiveness of security platforms.
• Support onboarding and implementation of new security tooling.
• Act as a key liaison between Security, Architecture, Engineering and Delivery teams.
• Develop practical standards, templates and guidance to improve secure-by-design outcomes.
• Manage platform-related requests, vendor engagement and continuous improvement initiatives.

Technologies:

• Cloud
• IAM
• Support
• Security

More:

We are 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 a 6-month contract role inside IR35 with London-based on-site working 1 to 2 days per week. We offer 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. This role gives a delivery-focused security contractor the chance to influence major technology initiatives, improve security engineering practices and help drive a Secure by Design culture across a large and complex organisation.

last updated 36 week of 2026