2,121,750open jobs
134,157companies
240,427added this week
Browse all
Location
In office (Warminster)
Employment
Full-Time

Confirmed on the employer's own hiring board on Nov 6, 2026. First seen by Alion on Nov 2, 2026. RTX scores B on the Alion truth index.

Overview
Company
Impact
Profile match

RTX

RTX is an American aerospace and defense company formed in 2020 by the merger of United Technologies and Raytheon. It operates through three businesses: Collins Aerospace, which makes avionics, aircraft interiors and aerostructures, Pratt & Whitney, which builds commercial and military jet engines, and Raytheon, which produces missiles, air defense systems such as Patriot, radars and sensors. Its customers include airlines, aircraft manufacturers, the United States Department of Defense and allied governments. The company is headquartered in Arlington, Virginia, United States.

Date Posted:

2026-11-02

Country:

United Kingdom

Location:

Warminster, Wiltshire

Position Role Type:

Onsite

Simulation and Network Engineer

Warminster

At Raytheon UK, we take immense pride in being a leader in defence and aerospace technology. As an employer, we are dedicated to fuelling innovation, nurturing talent, and fostering a culture of excellence.

Joining our team means being part of an organisation that shapes the future of national security whilst investing in your growth and personal development. We provide a collaborative environment, abundant opportunities for professional development, and a profound sense of purpose in what we do. Together, we are not just advancing technology; we're building a community committed to safeguarding a safer and more connected world.

Our Business

As a leading defence and aerospace company operating across the United Kingdom, Raytheon UK helps to solve our customers’ toughest challenges. We are a major supplier to the UK government and customers around the globe, providing defence solutions across all domains: land, sea, air, space, and cyberspace. We also provide digital and training transformation solutions to commercial and military customers.

With circa 2000 employees and major facilities operating throughout the UK including Broughton (Wales), Livingston and Glenrothes (Scotland), and Harlow, Gloucester, and Manchester (England); we are committed to investing in British careers and technology development.

Raytheon UK are seeking a Systems Engineer to join our Command and Staff Trainer (CAST) team. Using primarily the ABACUS computer simulation and Communication & Information Systems (CIS) you will support exercises by the British Army ranging from Battle Group to Corps level. The expanding nature of MOD training requires the evolution and integration of new and emerging systems to continuously enhance the training capability at CAST.

Duties Include:

Configure the ABACUS software for exercise use.

Provide the MOD customer with ABACUS data for use during military exercises.

Configuration and/or integration of individual systems to match military training requirements.

Conduct appropriate system training to ensure the military Users are competent to conduct their exercises.

Provide coverage, when required, to support CAST activities at relevant UK sites.

Support the day to day and IT operations activities at the site.

Carry out Engineering, Operational and Administrative duties associated with CAST site.

Support remotely networked CIS Exercises at the Warminster, Sennelager and offsite locations.

Support to the CAST activity at all sites, using primarily ABACUS/CIS/VBS3

Liaise with the military customer and build scenarios to fit their requirements.

Establish consistent and measurable processes for the support & administration activity.

Comply with configuration and control procedures.

Attend further training when required.

Comply with laid down company procedures.

When required, be willing to work at night and do shift work.

Be ‘Responsible for championing and fostering a culture of Environmental, Health, and Safety (EHS) compliance and continuous improvement’.

Any other duties required to complete the CAST Service.

Desirable experience

Cisco routing, switching & VOIP

Leadership of small teams

Windows Server administration

Fibre/Copper LAN installation & PC Repair

Knowledge of DII, DIS & HLA

A team player, also able to work unsupervised

Knowledge of VBS3 and associated terrain generation

Provision of Terrain Databases, Models and Scripting within a VBS environment

Benefits:

  • £: Competitive salary
  • Contributory Pension Scheme (up to 10.5% company contribution)
  • 6 times salary ‘Life Assurance’ with pension
  • 25 days holiday (increasing with service) + statutory public holidays, plus opportunity to buy and sell up to 5 days (37hr)
  • Car/Car allowance (dependant on grade/ role)
  • Company bonus scheme (discretionary)
  • Flexible Benefits scheme with extensive salary sacrifice schemes, including Health Cashplan, Dental, and Cycle to Work amongst others
  • Enhanced sick pay
  • Enhanced family friendly policies including enhanced maternity, paternity & shared parental leave
  • Private Medical Insurance - dependant on grade

Work Culture

  • 37hr working week, although hours may vary depending on role, job requirement or site-specific arrangements.
  • Early 1.30pm finish Friday, start your weekend early!
  • Remote, hybrid and site based working opportunities, dependant on your needs and the requirements of the role.
  • Up to 5 paid days volunteering each year.
  • Flexible working culture focused on output, with more formal flexible working arrangements on request (assessed subject to role) - please highlight any requests to the Talent Acquisition team.

RTX adheres to the principles of equal employment. All qualified applications will be given careful consideration without regard to ethnicity, color, religion, gender, sexual orientation or identity, national origin, age, disability, protected veteran status or any other characteristic protected by law.

Privacy Policy and Terms:

Click on this link to read the Policy and Terms

Free account
Stop reading job ads. Get the ones that fit.
One free account turns this page into a shortlist built around your stack, your level and your pay.
Match on every job. Stack, seniority, pay and location, scored against your profile.
2,121,750 open roles. Read straight off company career pages, refreshed every day.
Unlimited applications. Every one you send is tracked in one place, on-site or on a company board.
3 tailored CVs a month. Rewritten for the exact job you are applying to. Included free.
Create a free account Continue with Google
Free forever. No card. Under a minute.

Your match

How well do you fit this role?
Two answers are enough for a real match. No account needed.
Check my fit
Answers stay in this browser until you create an account.

Recommended for you based on this role

Networking
Similar stack
Same company
Warminster
$79k – $101k per year · Hybrid · Full-Time · Chester
AI/ML
Machine Learning
DevOps
Windows Server
Linux
Windows
DNS
DHCP
BGP
Cybersecurity
FortiGate
Management
Agile
MedTech
Verification & Validation
Apply
Hybrid · Glasgow · London · Swindon
Python
DevOps
Terraform
Ansible
Wi-Fi
Apply
Lead Network Engineer 8 hours ago
$83k – $96k per year · Hybrid · Full-Time · Southampton
DevOps
Azure
BGP
Cybersecurity
Zero Trust
Apply
In office · Full-Time · 5+ years exp · Bristol
Python
DevOps
Ansible
AWS
Wi-Fi
BGP
OSPF
Cybersecurity
pfSense
Apply
Network Engineer 3 days ago
In office · Full-Time · United Kingdom
Python
PowerShell
DevOps
Ansible
Apply
Service Team Leader 3 days ago
≈ $40k – $88k per year (Estimated) · In office · Warminster
Apply
$22k per year · In office · Internship · Warminster
Apply
≈ $31k – $55k per year (Estimated) · In office · Full-Time · Warminster
Apply
≈ $31k – $55k per year (Estimated) · In office · Full-Time · Warminster
Apply
Vehicle Technician 10 days ago
≈ $36k – $67k per year (Estimated) · In office · Contractor · Warminster
Apply
See all jobs
This is one of many
2,121,750 more open roles from verified company boards, updated every day.