Senior Systems Engineer

Frontier Resourcing; West of England; On-site; GBP 45,000 - 65,000; Full time

Job summary

Frontier Resourcing is seeking a Systems Engineer to join a growing technical architecture practice, delivering secure, mission-critical IT programmes across defence, security and government environments in the UK.

You will design, develop and deliver secure systems from requirements through to architecture, implementation, test and integration, working with engineers, architects, analysts and client stakeholders in a fast-paced, collaborative setting.

Qualifications

• Experience refining requirements and engaging stakeholders.
• Background in Defensive Cyber, Enterprise Architecture or Secure System Design.
• Verification and validation experience on complex technology projects.
• Model-Based Systems Engineering (ArchiMate, UML/SysML).
• Requirements management tooling experience (e.g., DOORS or equivalent).
• Desirable: MOD delivery exposure, system security principles, agile delivery, consultancy experience.

Responsibilities

• Contribute to architectures, specifications and engineering designs.
• Develop test, integration, verification and validation plans.
• Work across lifecycle stages in dynamic delivery environments.
• Communicate clearly with technical and non-technical stakeholders.
• Support development of engineering capability within the practice.
• Mentor junior engineers and contribute to knowledge sharing.
• Engage with clients and support business development as required.

Skills

Requirements management

Stakeholder engagement

Defensive Cyber

Enterprise Architecture

Secure System Design

Education

Engineering or Computer Science degree

INCOSE ASE/IEng/CEng or equivalent registration

TOGAF or similar framework knowledge

Tools

DOORS

Job description

Systems Engineer (SC and DV Cleared)

We are seeking a Systems Engineer to join a growing technical architecture practice, working on complex and secure IT programmes across defence, security and government environments. You’ll be part of a high performing team delivering innovative, mission critical solutions.

The Role

You will support the design, development and delivery of secure systems, working from requirements analysis through to architecture, implementation, test and integration. The work is diverse, fast-paced and highly collaborative, involving engineers, architects, analysts and client stakeholders.

You'll...

• Contribute to technical architectures, specifications and engineering designs.
• Develop test, integration, verification and validation plans.
• Work across multiple lifecycle stages in dynamic delivery environments.
• Communicate clearly with both technical and non-technical stakeholders.
• Support the development of engineering capability within the practice.
• Mentor junior engineers and contribute to internal knowledge sharing.
• Engage with clients and support business development where required.

About You

You will bring structured engineering thinking, strong communication skills and the ability to deliver high quality work independently or as part of a team. Experience within defence, national security or secure government environments is highly desirable.

Essential Skills

• Experience managing and refining requirements; strong stakeholder engagement.
• Background in Defensive Cyber, Enterprise Architecture or Secure System Design.
• Verification and validation experience on complex technology projects.
• Model-Based Systems Engineering experience (ArchiMate, UML/SysML).
• Requirements management tooling experience (e.g., DOORS or equivalent).

Desirable Skills

• MOD delivery experience or familiarity with MOD architecture views.
• Understanding of system security principles.
• Agile delivery experience.
• Prior consultancy experience.

Desirable Qualifications

• Degree in Engineering, Computer Science or related technical field.
• INCOSE ASE/IEng/CEng or equivalent professional registration.
• Experience with enterprise architecture frameworks (e.g., TOGAF)

What’s on Offer

You’ll work on some of the most complex and secure enterprise scale IT programmes in the UK, with opportunities to expand your technical and consulting skills while collaborating with specialists across cyber, P3M and architecture disciplines.