Principal Systems Engineer - Defence Systems Lead

ALTEN LTD - UK

Stevenage

On-site

GBP 90,000 - 120,000

Full time

14 days+

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Benefits offered by this job

Private Medical Insurance

Cycle & Tech Scheme

Employee assistance programme

Life insurance & Pension Scheme

Social atmosphere, team buildings

Flexible way of working

Job summary

ALTEN LTD - UK is seeking a Principal Systems Engineer to drive the definition and development of complex defence systems from concept through to qualification. You will provide technical leadership, shape system-level solutions, and guide engineering teams.

Location: Stevenage or Bristol. On-site 3 days per week. Seniority: 10+ years experience. Security clearance: SC. This role offers challenging programmes across defence domains and mentoring opportunities.

Qualifications

Bachelor's or Master's degree in Engineering or equivalent military background.
Experience leading complex programmes and early lifecycle concept definition.
Ability to influence technical direction across multidisciplinary teams.

Responsibilities

Lead systems engineering activities across concept and early lifecycle development.
Define system solutions, requirements, and trade studies.
Support technical decision-making and systems-level analysis.
Engage with stakeholders to understand evolving operational requirements.
Guide and mentor engineers within the wider systems team.
Support design reviews and programme-level engineering activities.