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Posted 21 July, 2026

Counter-UAS Engineering Lead Associate Contractor

Infinity Systems Engineering LTD
Bradley Stoke, ENG, GB Full Time

Job Description

Counter-UAS Engineering Lead Associate Contractor

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Location: Hybrid expected 2 days per week at Abbey Wood, Bristol
Rate: £500 per day
IR35: Inside IR35
Security: Current SC clearance required | Sole UK nationals only

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Infinity Systems Engineering Ltd. is seeking an experienced Counter-UAS Engineering Lead to support a high-priority UK defence requirement. This associate contractor role will help deliver an interim Counter-UAS engineering capability for Phase 1 of the programme supporting an urgent operational requirement.

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The successful candidate will provide technical leadership across requirements, test and evaluation, supplier assurance, stakeholder engagement and safety-related engineering activity.

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Key Responsibilities

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  • Lead technical requirements development, including System Requirements Documentation.
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  • Define and support test, verification, validation and evaluation activity.
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  • Review and assure supplier technical data, trials and evidence.
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  • Provide technical advice to engineering, safety and senior defence stakeholders.
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  • Support safe planning and delivery of supplier tests, trials and evaluation activity.
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  • Identify and assess technical hazards to support safety artefacts and assurance.
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  • Help shape the engineering roadmap for future phases of the programme.
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Essential Experience

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  • Current SC clearance.
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  • Sole UK nationality.
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  • Engineering leadership experience within defence, aviation, air systems, Counter-UAS, UAS, complex weapons, sensors or similar regulated environments.
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  • Strong background in requirements, technical assurance and supplier engagement.
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  • Experience supporting test, trials, V&V, experimentation or evaluation programmes.
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  • Familiarity with aviation regulation, airworthiness or MOD assurance environments.
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  • Strong stakeholder management and technical communication skills.
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  • Able to work hybrid, with 2 days per week expected at Abbey Wood, Bristol.
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Desirable Experience

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  • Counter-UAS or Uncrewed Air Systems experience.
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  • Experience with MOD, DE&S, Abbey Wood, UK ranges or defence acquisition environments.
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  • Knowledge of safety, airworthiness or Defence Ordnance Safety Regulator requirements.
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  • Experience producing engineering plans, test plans, safety artefacts or hazard analysis outputs.
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Apply now for an opportunity to support a fast-moving, operationally focused defence capability with Infinity Systems Engineering Ltd.

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