Systems Design Engineer

ALTEN is a global engineering and technology consultancy operating across over 35 countries worldwide. We partner with industry leaders across sectors including Aeronautics, Aerospace, Defence, Naval, Automotive, Energy, Rail, IT and many more to deliver innovative engineering solutions that drive technological advancement & support sustainable transformation.

Our teams of passionate and agile engineers work on cutting-edge projects that shape the future of technology and sustainability. At ALTEN, we empower talented engineers to innovate, solve complex challenges, and deliver impactful solutions that build tomorrow’s world—today.

Join us and start building tomorrow’s world today!

Join a highly capable engineering team developing complex mission and safety-critical systems for next-generation defence applications. You will support system definition, requirements development, integration activities, and technical problem solving throughout the engineering lifecycle.

Location: Stevenage or Bristol
On-site Requirement: On Site
Seniority: 3-10 Years Experience
Security Clearance: Candidates must be willing and eligible to obtain SC clearance.

Key Responsibilities

• Support systems engineering activities across the full development lifecycle.
• Capture, manage, and decompose system requirements.
• Contribute to system design, integration, and verification activities.
• Support technical reviews, risk assessments, and design decisions.
• Work closely with software, electronics, and test teams.
• Produce and maintain systems engineering documentation.

Required Skills

• Proven experience applying systems engineering principles across the development of complex products or platforms.
• Experience capturing, managing, and decomposing system requirements throughout the engineering lifecycle.
• Strong understanding of system integration, verification, and validation activities.
• Experience producing technical documentation and supporting engineering reviews.
• Ability to work within multidisciplinary teams to deliver complex technical solutions.

Soft Skills & Collaboration

• Strong analytical and problem-solving skills with the ability to investigate complex technical challenges.
• Excellent communication skills when engaging with engineering stakeholders across multiple disciplines.
• Proactive and adaptable approach to working in fast-paced project environments.
• Ability to balance technical detail with programme-level objectives.

Required Qualifications

• Bachelor's or Master's degree in Engineering, or relevant technical military background with equivalent experience.

Desirable Skills

• Experience working within defence, aerospace, or autonomous systems environments.
• Familiarity with systems modelling tools such as IBM Rhapsody.
• Exposure to early lifecycle concept development and trade studies.
• Experience supporting safety-critical systems development.

Why join us? 

We bring together entrepreneurial, tech-driven people to deliver innovative solutions for leading companies.

At ALTEN, you’ll work on exciting projects, supported by ongoing learning, mentoring, and clear career development tailored to your goals.

Join a passionate team and help build tomorrow, today.

In short you get: 

• A personalised career path and a rewarding management style 
• A huge diversity of engineering projects and industries
• Private Medical Insurance
• Cycle & Tech Scheme 
• Employee assistance programme
• Life insurance & Pension Scheme
• Social atmosphere, regular gatherings & team buildings
• Flexible way of working (role dependent)

We are proud to support the Armed Forces Covenant & actively encourage applications from members of the Armed Forces community, including veterans, reservists, service leavers, and military spouses/partners. We recognise the value of military skills and experience and are committed to ensuring that no applicant is unfairly disadvantaged during our recruitment and selection processes. 

ALTEN is committed to fostering a diverse and inclusive workplace and values the strength that comes from a global mix of backgrounds and perspectives. We welcome applications from all suitably qualified candidates, regardless of background or protected characteristics under the Equality Act 2010. If you require any reasonable adjustments during the recruitment process, please let us know. 

This role may require you to have or be willing to go through Security Clearance. As part of the onboarding process candidates will be asked to complete a Baseline Personnel Security Standard; details of the evidence required to apply may be found on the government website (url removed). If you are unable to meet this and any associated criteria, then your employment may be delayed, or rejected . Details of this will be discussed with you at interview.