Field Service Engineer

Job Description

As a Mission Systems Field Service Engineer at Leonardo UK, you will directly support the delivery, sustainment, and operational readiness of cutting‑edge communication and mission systems used across UK and international defence platforms. You will provide technical expertise to customers at home and abroad, ensuring that our systems remain reliable, effective, and mission‑ready throughout their lifecycle.

You will work closely with Engineering, Programmes, Customer Support and In‑Service Support teams, acting as the front‑line technical representative for Leonardo’s Mission Systems portfolio. This role is based from Basildon with regular travel to customer sites, MOD establishments, trials locations, and deployed environments.

Delivering cutting edge technology and direct support to the front line, our Field Service Engineers are so much more. The Mission Systems team are looking for a Support Engineer to join us in Basildon. The team are looking for a driven individual capable of working independently as well as integrating into a close‑knit team. The role would be split between Basildon and customer locations.

You will:

• Support product development and in‑service support
• Have responsibility for Integration, test and acceptance
• Design support solutions including key documentation
• Provide field support at customer locations (UK and abroad)
• Remotely support deployed units

• Mission systems, including external and internal comms, secure voice and tactical networking
• Operator or maintainer experience
• Familiarity with the following:
  • IP networking and routing technology
  • RF and Antenna systems
  • Cryptographic devices and key management
  • Message handling systems
  • Diagnostics tools and electronic test equipment
  • Technical documentation and report writing
  • Customer training
• Previous experience within a defence environment

• HNC or equivalent relevant experience

• Field service engineering work would often be expected to be off‑site, requiring travel
• A full driving licence
• Due to the nature of our team, a full medical would be required for potential deployment to military platforms
• Advanced MS Office skills essential, MS Word skills with advanced knowledge of styles and formatting, paragraph numbering, creation of linked PDFs. Good graphical skills using PowerPoint or Visio.

This is not an exhaustive list, and we are keen to hear from you even if you might not have experience in all the above. The most important skill is a good attitude and willingness to learn.

This role is subject to pre‑employment screening in line with the UK Government’s Baseline Personnel Security Standard (BPSS). An additional range of Personnel Security Controls referred to as National Security Vetting (NSV) may apply, this could include meeting the eligibility requirements for The Security Check (SC) or Developed Vetting (DV). For more information and guidance please visit:

At Leonardo, our people are at the heart of everything we do. We offer a comprehensive, company‑funded benefits package that supports your wellbeing, career development, and work‑life balance. Whether you're looking to grow professionally, care for your health, or plan for the future, we’re here to help you thrive.

• Time to Recharge: Enjoy generous leave with the opportunity to accrue up to 12 additional flexi‑days each year.
• Secure your Future: Benefit from our award‑winning pension scheme with up to 15% employer contribution.
• Your Wellbeing Matters: Free access to mental health support, financial advice, and employee‑led networks championing inclusion and diversity (Enable, Pride, Equalise, Armed Forces, Carers, Wellbeing and Ethnicity).
• Rewarding Performance
  :
  All employees at management level and below are eligible for our bonus scheme.
• Never Stop Learning
  :
  Free access to 4,000+ online courses via Coursera and Linked In Learning.
• Refer a friend: Receive a financial reward through our referral programme.
• Tailored Perks
  :
  Spend up to £500 annually on flexible benefits including private healthcare, dental, family cover, tech & lifestyle discounts, gym memberships and more.
• Flexible working: Fl…