Systems Engineer

September 6, 2026

Hybrid

Middle

Tadley, Bristol, London, Glasgow, Altrincham, UK

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Security clearance requiredEnglish is requiredAdult-content project

Description

Systems Engineer in the Nuclear, Defence and Civil division of Mott MacDonald's Energy unit. The role involves working with designers and other systems engineers to develop system architectures, manage requirements, and support stakeholder workshops across the full systems engineering lifecycle for infrastructure projects.

Responsibilities

Support capture and translation of stakeholder vision and definition of the scope and boundary of the system, along with its Concept of Operations
Develop system requirements throughout the system lifecycle, using an appropriate requirements management tool
Support development of required system architectural views (functional and physical), including Functional, System and Spatial Breakdown Structures
Apply appropriate scenario modelling and role modelling techniques to contribute to capability assurance evidence
Work with designers to capture and mature internal and external system technical interfaces
Support identification and management of technical assumptions, dependencies and constraints
Develop systems engineering artefacts to support technical reviews and client deliverables
Generate objective Verification & Validation evidence
Support configuration management of the system design baseline and contribute to impact assessments of technical change
Contribute to stakeholder workshops and provide data to inform reporting metrics
Communicate complex technical content clearly to peers and collaborate across multi-disciplinary engineering teams
Contribute to generation of high quality technical reports, presentations and project artefacts

Requirements

Understanding of systems engineering techniques applied across the entire engineering lifecycle, with demonstrable experience in a portion of the lifecycle
Good stakeholder management skills with the ability to communicate complex concepts clearly
Knowledge of requirements development, preferably for infrastructure projects
Knowledge, and preferably 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
Some experience in use of typical systems engineering toolsets, e.g. for requirement management (DOORS, or similar) and architecture definition (Sparx EA, or similar)
Good written communication skills with a methodical, detail-focused approach
Preferably experience in infrastructure projects and ideally the nuclear sector, or experience in developing complex systems in any highly regulated, multi-disciplinary engineering industry
Degree level qualification, or equivalent, in a technical discipline
Willing to work towards professional registration as an engineer

Conditions

Hybrid working policy with flexibility to choose effective work arrangements
Permanent full-time role
UK Security Clearance required due to project sensitivity
No sponsorship under Skilled Worker visa route currently available
Employee ownership model with annual bonus schemes and performance bonuses
Private medical insurance for all UK colleagues
33-35 days holiday inclusive of public holidays
Enhanced family leave: 26 weeks paid maternity/adoption leave
Pension contributions matched between 4.5% and 7%
Life assurance up to 4x basic salary with option to increase to 6x

DOORSSparx EAenergy

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