Senior Systems Engineer

Location/s: Tadley, Bristol, London, Glasgow, Altrincham; UK
Recruiter contact: Cassidy Browne

Mott MacDonald is a global engineering, management, and development consultancy with over 20,000 employees across more than 50 countries and 140+ offices. 

We work across incredible global industries, delivering exciting work that is defining our future and making an important societal impact in the communities we serve. Our people power our performance – we succeed when they do. With countless opportunities to collaborate, learn, and grow, the possibilities for excellence are as varied as every individual. 

Whether you want to grow as a subject matter expert or broaden your experience with roles across our international community, you’re surrounded by global specialists who want to combine their expertise and champion you to be your best. As a proudly employee-owned business, we benefit our clients, our communities, and each other, investing in creating the right space for everyone to feel empowered, included, and valued. Whatever your ambition, Mott MacDonald is where people come to be brilliant.

About the business unit 

The Energy unit delivers services to clients globally across several sectors including hydropower, nuclear, waste, renewable generation and transmission & distribution networks. Together we provide integrated engineering and project management services across the project lifecycle – from concept and design to construction and operations, to decommissioning or repowering and life extension. Together with our clients, we’re helping to deliver the energy transition globally.

Overview of the role

Our Nuclear; Defence and Civil division is looking for a Senior Systems Engineer. This role involves working closely with clients, designers, other systems engineers. You will lead stakeholder workshops, develop system architectures, and will be expected to meet deadlines set for key systems engineering deliverables, including:

• Project Systems Engineering Management Plan (SEMP)
• Requirements and Acceptance Management Strategy (RAMS) & Plan (RAMP)
• Interface Management Plan
• System Requirements Specification
• System Architecture Description
• System/ Subsystem Design Descriptions
• Interface Control Documents
• System Integration Management Plan

Our team provides a range of key services, including:

• Requirements Management
• System Architecture Development and Modelling
• Technical Interface Management and System Integration
• Design Assurance, Verification, and Validation Management
• Configuration Management

Key responsibilities and duties include:

• Influence, capture and translate stakeholder vision and define the scope and boundary of the system, along with its Concept of Operations
• Propose, develop and manage system requirements throughout the system lifecycle, using an appropriate requirements management tool
• Develop all required system architectural views (functional and physical), including, but not limited to Functional, System and Spatial Breakdown Structures
• Apply appropriate scenario modelling and role modelling techniques to contribute to capability assurance evidence
• Work with designers to define internal and external system technical interfaces
• Identification and management of technical assumptions, dependencies and constraints
• Develop and review systems engineering artefacts, as necessary, to support technical reviews and client deliverables
• Generate and manage objective Verification & Validation evidence
• Support configuration management of the system design baseline and contribute to impact assessments and management of technical change
• Organise and lead stakeholder workshops, defining metrics and acceptance criteria
• Communicate complex technical content clearly to stakeholders at all levels and collaborate effectively across multi-disciplinary engineering teams
• Produce high quality technical reports, presentations and project artefacts as required by company processes and project delivery
• Support and mentor junior staff, overseeing task supervision and professional development

Candidate specification

Essential:

• Strong understanding of systems engineering techniques applied across the entire engineering lifecycle, with demonstrable experience in a significant portion of the lifecycle
• Strong stakeholder management skills with the ability to communicate complex concepts clearly
• Strong background in requirements development, preferably for infrastructure projects
• Knowledge and experience in applying a Model-Based Systems Engineering (MBSE) approach, including system architecture development against an Architectural Framework
• Knowledge of System Integration, Test, Evaluation and Acceptance strategies
• Proficiency in use of typical systems engineering toolsets, e.g. for requirement management (DOORS, or similar) and architecture definition (Sparx EA, or similar)
• Excellent written communication skills with a methodical, detail-focused approach
• Preferably experience in infrastructure projects and ideally the nuclear sector. However, experience in developing complex systems in any highly regulated, multi-disciplinary engineering industry is valued
• Degree level qualification, or equivalent, in a technical discipline
• Preferably professionally registered as an engineer, or willing to work towards

Due to the sensitivity of some of our projects, candidates will be required to apply for and obtain UK Security Clearance.

UK Immigration

Mott MacDonald Ltd. are not currently offering sponsorship to candidates under the Skilled Worker visa route in the UK. This decision is as a consequence of the changes made to the Skilled Worker route by the UK Government in April 2024. We continue to welcome applications from candidates who are eligible for alternative immigration routes in the UK, that do not require sponsorship as a Skilled Worker now or in future.

Agile working  

At Mott MacDonald, we believe it makes business sense for you and your manager to choose how you can work most effectively to meet your client, team, and personal commitments. We offer a hybrid working policy that embraces your well-being, flexibility, and trust.

Equality, diversity, and inclusion 

We put equality, diversity, and inclusion at the heart of our business, seeking to promote fair employment procedures and practices to ensure equal opportunities for all. We encourage individual expression in our workplace and are committed to creating an inclusive environment where everyone feels they can contribute.

AI Usage

At Mott MacDonald, we see the value AI can bring, but we take a people-first approach to hiring. While AI tools can help candidates prepare and build confidence, every application and hiring decision is reviewed by our recruitment and hiring teams. We encourage the responsible use of AI while ensuring we get to know the real person behind the application.

Accessibility

We want you to perform your best at every stage in the recruitment process. If you are disabled or need any support to enable you to apply or at