System Administrator jobs in United States

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

• 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

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.

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.

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.

• 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.

• 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.)

• 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 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.

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

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