Systems Engineer - Nuclear

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!

ALTEN is looking for a Systems Engineer with strong expertise in requirements management to support complex engineering programmes throughout the system lifecycle.

The successful candidate will drive the capture, analysis, decomposition, verification and validation of requirements while ensuring traceability across business, stakeholder and system-level needs.

This role is particularly suited to candidates with experience in structured systems engineering environments and exposure to Model-Based Systems Engineering (MBSE).

Key Responsibilities

• Capture, analyse and manage stakeholder, customer and business requirements.
• Develop and maintain requirements hierarchies and traceability throughout the project lifecycle.
• Decompose requirements into system and subsystem level specifications.
• Support requirements verification and validation activities.
• Conduct impact assessments and manage requirements change processes.
• Support system architecture and functional analysis activities.
• Work closely with business and technical stakeholders to ensure requirements are clearly defined and understood.
• Support systems engineering governance, reviews and lifecycle management activities.
• Contribute to the development of systems engineering best practices.

Required Skills

Demonstrable experience in Requirements Management within complex engineering environments.

Experience in

Requirements Elicitation

Requirements Capture

Requirements Analysis

Requirements Decomposition

Requirements Traceability

Verification & Validation

Stakeholder Management

Systems Lifecycle Management

• Change Management and Impact Assessment
• Awareness of Model-Based Systems Engineering (MBSE).
• Awareness or experience of Capella.
• Ability to engage effectively with business and engineering stakeholders.

Required Qualifications

A Bachelor’s or Master’s degree in Engineering, or equivalentmilitary experience.

Desirable Skills

Polarion

IBM DOORS

DOORS Next

Capella

Enterprise Architect

JAMA

• 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 Gov.UK. 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.