Systems Engineer

KBR, Inc; West of England; Hybrid; GBP 56,000 - 80,000; Full time

Benefits offered by this job

Competitive salary with yearly reviews

25 days holiday + buy 5 days

Flexible working

Job summary

Frazer-Nash is seeking an experienced Systems Engineer to join its digital and systems engineering capability across defence, government, energy and infrastructure programmes. The role involves leading requirements capture, architecture development and system integration, with client facing consultancy elements in a hybrid working pattern.

You will mentor colleagues, apply systems thinking, and deliver robust, practical technology-enabled solutions.

Qualifications

• Experience as a Systems Engineer or similar role in complex environments.
• Solid understanding of systems engineering principles and lifecycle management.
• Experience in requirements engineering, architecture development and systems integration.
• Effective stakeholder management and client-facing consultancy experience.
• Certifications such as CiSSP, CISM, MCSE, CCNA or AWS SysOps are desirable.

Responsibilities

• Lead requirements capture and stakeholder engagement for complex programmes.
• Develop and maintain system architectures and lifecycle approaches.
• Provide technical leadership on digital systems and capability development.
• Facilitate workshops and advise senior client stakeholders.
• Identify and manage technical and programme risks; ensure delivery quality.

Skills

Systems engineering

Requirements engineering

Architecture development

Systems integration

Verification & validation

Stakeholder management

Consultancy engagements

Tools

CiSSP

CISM

MCSE

CCNA

AWS SysOps

Job description

Title: Systems Engineer Salary range: £55,500 to £80,000 per annum (depending on capability and experience) Location: Bristol, Gloucester Working Pattern: We operate a flexible hybrid working pattern at Frazer-Nash, with time split between the office, client sites and working from home. Closing date: 4th October 2026.

INTEREST

Frazer-Nash is a leading systems, engineering and technology consultancy helping organizations solve some of their most complex challenges. From national security and critical infrastructure to energy transformation and emerging technologies, we work at the intersection of innovation and real‑world impact, delivering solutions that make lives safer, more secure, sustainable and affordable. As demand for our Digital and Systems Engineering capability continues to grow, we are looking for an experienced Systems Engineer to join our team. This is an opportunity to work on high‑profile programmes across defence, government, energy, infrastructure and other mission‑critical sectors, helping clients shape, acquire and deliver the technologies that will define their future capabilities. You will take a leading role in solving complex technical and business challenges, applying systems thinking to develop robust, practical solutions. Working directly with clients and multidisciplinary teams, you will help define requirements, shape architectures, manage complexity and ensure effective delivery of technology‑enabled systems. Alongside project delivery, you will provide technical leadership, build trusted client relationships, and support the development of colleagues across the wider capability. The role combines systems engineering, consulting and problem‑solving at its core. We are looking for someone who is comfortable taking initiative, can navigate ambiguity, communicate with stakeholders at all levels, and translate complex concepts into actionable outcomes. In return, you'll have the opportunity to work alongside some of the industry's most skilled practitioners while contributing to projects that genuinely matter.

KEY RESPONSIBILITIES

• Client Delivery Manage the application of systems engineering principles across the system lifecycle, from concept and requirements definition through to delivery, integration, verification and validation. Lead requirements capture, stakeholder engagement and business analysis activities for complex programmes. Develop and maintain system architectures, operational concepts and systems engineering approaches and tools. Deliver technical leadership on digital systems, technology acquisition and capability development programmes. Facilitate workshops and provide expert advice to senior client stakeholders. Identify, assess and manage technical, programme and business risks. Provide objective assurance and review of system designs, architectures and engineering approaches. Support clients in implementing systems engineering best practice and governance frameworks.
• Business Development Support business development activities including opportunity identification, proposal development and bid writing. Campaign into new business areas to develop client relationships and identify opportunities for follow‑on work. Contribute to capability growth through development of propositions, methodologies and thought leadership. Represent the organisation at customer meetings, industry events and technical forums. Give speeches and presentations inside and outside of the business.
• Capability Development Get involved! Contribute to company initiatives, capability development strategies and committees. Share your ideas – support recruitment, capability development and knowledge sharing activities. Develop as a team! Promote engineering methods and standards, and learn from others about new areas.

EXPERIENCE REQUIRED

Experience as a Systems Engineer or a technical engineering role within complex technical or operational environments. Solid understanding of systems engineering principles and lifecycle management. Experience in requirements engineering, architecture development, systems integration and verification & validation to delivery solutions. Effective stakeholder management and facilitation skills. Experience working with multi-disciplinary teams and delivering client‑facing consultancy engagements, problem‑solving complex issues. Effective communication and teamwork abilities, helping to bring out the best in yourself and the team. Relevant certifications (e.g., CiSSP, CISM, MCSE, CCNA, AWS Certified SysOps Administrator) are required. Effective written and verbal communication skills, including the ability to communicate complex technical concepts to non‑technical stakeholders at all levels. Demonstrated ability to work independently and manage multiple concurrent priorities.

DESIRABLE EXPERIENCE

Experience within Defence, National Security, Government, Critical Infrastructure, Aerospace, Energy or Transport sectors. Knowledgeable in digital engineering, enterprise architecture, cyber security, AI/ML‑enabled systems or cloud technologies. Familiarity with Agile, SAFe or traditional programme delivery frameworks. Chartered Engineer status (CEng) or progress towards professional registration. INCOSE certification or equivalent systems engineering accreditation. Due to the nature of the work that Frazer-Nash Consultancy undertake, candidates will be required to undergo pre‑employment screening and must be able to satisfy clearance criteria for UK National Security Vetting.

BENEFITS

We provide our people with an excellent benefit and offering package that comprises:

• Competitive salary with yearly reviews
• 25 days holiday + the opportunity to buy 5 days
• A company that has its heart in the right place and a welcoming work culture
• Happy to talk flexible working
• Enhanced parental benefits
• Company pension scheme
• Targeted professional development
• Life assurance
• Private healthcare membership
• Bonus scheme linked into company performance
• Paid membership fees to a professional institution
• Support in attaining professional membership
• Cycle to work scheme
• Season rail ticket loan
• Further optional benefits you can tailor to your personal requirements

We are committed to fostering a working culture that brings out the very best in our people, regardless of their circumstances, identity or background. We want our people to be themselves, feel empowered to reach their personal and professional goals, and know that we respect the unique value they bring to the company.

Frazer-Nash is a leading systems, engineering and technology company. We help organisations deliver innovative engineering and technology solutions to make lives safe, secure, sustainable, and affordable. With over 1000 employees, we work from a network of nine UK and four Australian locations. Our people apply their expertise to develop, enhance and protect our clients' critical assets, systems and processes. We use our skills and talents to ensure a sustainable future for society. Our work helps deliver a safe and secure world, where natural resources are conserved, and clean energy is available to all. And we focus on actions to reduce climate change; supporting rapid and far‑reaching transformations in the delivery of energy, security, industry, and transport. At the heart of our business are a set of self‑defined core values. These are part of our DNA and we’re committed to upholding them – internally as part of our Frazer‑Nash family; in the way we work with our customers; and when we engage with the wider world.

We care At Frazer‑Nash, we care about each other; always looking to collaborate and see things from the other person’s point of view.

We offer mutual support, learn from one another, and work as a team to deliver the best results.

Everyone has a voice, and we all make the time to listen.

We will work with openness and collaborate effectively – thinking about our clients and our people, and responding to their needs.

We care about the difference we make to the wider world.

We are trusted. Effective collaboration is founded upon trust. We earn the trust of our customers and colleagues by delivering on the commitments we have made to them.

We deliver success. We deliver value and success to our customers and to our business. We continually strive to be the best at what we do. We want to do things that matter. We seek out interesting and satisfying work that helps makes a difference in society. We use our expertise to provide trusted, impartial professional advice to our clients.

By making a difference to today, we benefit the world of tomorrow – so we can all go home each day knowing that we’ve done something that really mattered.