Systems Engineer (MBSE)

MASS; Allington; On-site; GBP 40,000 - 65,000; Full time

Job summary

A leading defense contractor is seeking a Systems Engineer to work on state-of-the-art projects at Porton Down. This full-time role involves designing, implementing, and supporting new capabilities while ensuring successful deployment and validation. The ideal candidate will have expertise in Model-Based Systems Engineering and strong qualifications in systems engineering and requirements management. Competitive salary and comprehensive benefits are offered.

Benefits

25 days annual leave

Private Medical Insurance

Annual Wellbeing allowance

Pension schemes

Qualifications

• Proven experience in Systems Engineering.
• Strong skills in requirements management.
• Able to create system design documentation and models.
• Experience across the Engineering Delivery Lifecycle.

Responsibilities

• Gather stakeholder use cases and write requirements specifications.
• Provide ongoing support during deployment.
• Act as Subject Matter Expert for stakeholder inquiries.

Skills

Systems Engineering

System Design Documentation

Systems Modelling (UML/SysML)

Requirements Management (DOORS/Enterprise Architect)

Job description

Position

Systems Engineer (MBSE) - Porton Down (SP4) - Perm - Full Time On-site

Compensation & Benefits

• Salary £40,000 - £65,000 (DOE)
• 25 days annual leave inclusive of up to 3 days Christmas shut‑down
• Buy or sell up to 5 days’ annual leave
• Annual Wellbeing allowance
• Two pension schemes to choose from
• Private Medical Insurance + discounts for additional family members
• Life Assurance scheme up to 4× salary
• Share Save scheme
• Electric / Hybrid Car leasing scheme
• Cycle to work scheme
• Retail discounts
• Career development support

About the Team

Come and join our expanding Electronic Warfare Operations Support Group (EWOS) which is made up of 60+ electronic warfare specialists. From all manner of backgrounds, our engineers, scientists, and ex‑military personnel combine their experience to help our customers achieve the true operational potential and help keep their people and platforms safe.

Location & Projects

We are continuing to grow our team at Porton Down, Salisbury, working on key state‑of‑the‑art research, development, and delivery projects, led by our technical customer, Dstl.

Role Overview

You will help with the design, implementation, and support of new capabilities, as well as participate in local and worldwide trials using both existing and future technology. Working autonomously with unprecedented access to the customer, you will be crucial to ensuring the success of deployment, verification, and validation. You will develop into the Subject Matter Expert (SME), acting as the primary point of contact for stakeholder enquiries.

Key Responsibilities

• Gather stakeholder use cases and write requirements specifications (URD and SRDs).
• Provide ongoing support and continuous assistance during deployment.
• Leverage Model Based Systems Engineering (UML/SysML/Archimate) skills.
• Participate in design, implementation, testing, and integration activities.
• Act as SME and primary point of contact for stakeholder enquiries.

Essential Qualifications

• Systems Engineering
• System Design Documentation
• Systems Modelling (UML/SysML)
• Test and acceptance of integrated systems
• Experience across the Engineering Delivery Lifecycle
• Requirements Management (DOORS/Enterprise Architect etc.)

Desirable Qualifications

• Coding experience (JavaScript or MATLAB/Simulink)
• Defence Industry knowledge of EW systems
• Previous ex‑Military experience with EW systems (operator, maintenance, support, or acquisition)

Wellbeing & Culture

Wellbeing is at the core of our culture, allowing you to flourish and to achieve your full potential. You are important to us, and we take pride in our wellbeing programmes and policies that support you as individuals including mental health first aiders and readily available support through our extensive employee assistance programme.

Non‑Negotiables

• UK National and eligible to work in the UK
• Eligible to obtain and maintain a UK Government DV‑level security clearance

Apply Today

Apply today to see how working for MASS could work for you.