Principal Project Engineer

Senior Project Engineer – L3

Harris Technologies, Tewkesbury, UK (Job )

Tewkesbury is the headquarters for the Intelligence & Cyber International division. The role focuses on leading Electronic Warfare or Cyber Security projects and delivering cutting‑edge embedded systems across space, air, land, sea and cyber domains.

• £3,000 – £6,000 DV Bonus (subject to clearance and project requirements)
• Flexible or part‑time working arrangements considered on request
• Half‑day finish on a Friday
• 25 days holiday per year (plus bank holidays), increasing with long service; option to buy/sell up to 5 days
• Private medical insurance with optional family cover
• Pension scheme up to 8% employer contribution
• Life Assurance 4× salary (flexible up to 10×)
• Group income protection
• Optional extras: health care cash plan, dental insurance, gym membership, critical illness cover, cycle‑to‑work scheme
• Employee Family Assistance Programme providing mental health and wellbeing support
• Professional membership reimbursement (discretionary)

• Lead and own a complex development programme with a cross‑functional engineering team
• Resolve technical issues and lead key design reviews (SRR, PDR, CDR, etc.)
• Estimate, schedule and track progress; report earned value metrics (CPI, SPI, ETC, BCWS, BCWP, ACWP)
• Interface with and present to key stakeholders including customers, regulatory authorities and senior managers
• Lead and influence the architectural design of complex engineering solutions across analogue/digital electronics, RF, FPGA, embedded software, application software, UI and mechanical solutions
• Guide development through the systems‑engineering lifecycle ensuring compliance with internal processes and legal/safety standards
• Contribute to technical proposals, bids and internal governance sign‑offs
• Mentor engineers to support skills development within the wider team

• Experience leading engineering development projects across most of the systems‑engineering lifecycle
• Experience working under tight time pressures and interfacing with key stakeholders including customers
• Experience leading a multidisciplinary engineering team of varied levels
• Relevant industry experience in Defence, Aerospace or other complex embedded environments

Many of our roles require UK nationality and the ability to obtain security clearance. Conditional offers require right to work in the UK and eligibility for access to classified information, with government security checks conducted.

L3

Harris Technologies is proud to be an Equal Opportunity Employer. We are committed to maintaining a workplace that is free from unlawful discrimination and offers equal opportunities for all. Applications are welcomed regardless of age, disability, sex, gender reassignment, sexual orientation, pregnancy and maternity, race, religion or belief, and marriage and civil partnership.

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