Security Engineer

IntaPeople; Wales; On-site; GBP 100,000 - 125,000; Full time

Job summary

A leading technology firm in the United Kingdom is seeking an experienced Security Engineer for a contract role outside IR35. The position involves developing security architecture, providing guidance on engineering decisions, and ensuring compliance with security standards. Ideal candidates will have a strong defence sector background, experience with security frameworks such as ISO27001 and NIST SP 800-53, and familiarity with complex systems. This role offers a competitive rate of £595 per day for a duration of 6 months.

Qualifications

• Strong defence sector background with experience in security frameworks.
• Proven track record of delivering security designs into operational support.
• Familiarity with complex systems and layered security architectures.

Responsibilities

• Develop and deliver security architecture and documentation for systems.
• Provide security guidance across engineering decisions.
• Support accreditation processes and maintain security assurance.
• Collaborate to ensure secure implementation.

Skills

ISO27001

NIST SP 800-53

Security frameworks

Security architecture

Model-Based Systems Engineering

Job description

Security Engineer (Contract) - Outside IR35

Cardiff - 6 months £595 p/day

We're looking for an experienced Security Engineer to join a major defence project. This is a contract role, evaluated as Outside IR35.

Key Responsibilities

• Develop and deliver security architecture and documentation for complex systems.
• Provide security guidance across engineering decisions and ensure compliance with standards.
• Support accreditation processes and maintain security assurance throughout the project lifecycle.
• Collaborate with design and test teams to ensure secure implementation and integration.
• Hands‑on involvement in Model‑Based Systems Engineering and open architecture development.

Ideal Candidate

• Strong defence sector background with experience in security frameworks such as ISO27001, IS1&2, NIST SP 800-53, and others.
• Proven track record of delivering security designs through accreditation into operational support.
• Familiarity with large-scale, complex systems and layered security architectures.

Additional Info

• Must be eligible for UK Security Clearance.
• Right‑to‑work checks required prior to engagement