Senior Embedded C++ Engineer

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This role appears to map to SOC 2134 (Programmers and software development professionals), an eligible Skilled Worker occupation at RQF 6 or above under the rules in force on 8 November 2026.

ALTEN LIMITED holds a Skilled Worker licence with an A rating on our register, last checked 7 November 2026.

The advert does not mention sponsorship.

Checked 8 Nov 2026. General information about this role, its employer and the published rules, not advice about anyone's situation. Immigration rules change; check GOV.UK. For advice, use a regulated adviser: find one at or a solicitor at

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The employer is Clear and nothing is A concern, but one or two parts are Worth checking or Not known. It describes the role and the employer, not your chances.

Role Clear

This role appears to map to SOC 2134 (Programmers and software development professionals), an eligible Skilled Worker occupation at RQF 6 or above under the rules in force on 8 November 2026.

SOC 2134 · RQF _6_PLUS GOV.UK Pay Not known

The advert does not state a salary.

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ALTEN LIMITED holds a Skilled Worker licence with an A rating on our register, last checked 7 November 2026.

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Checked 8 Nov 2026. General information about this role, its employer and the published rules, not advice about anyone's situation. Immigration rules change; check GOV.UK. For advice, use a regulated adviser: find one at or a solicitor at

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• 1 Senior Embedded C++ Engineer · ALTEN · job advert

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About the role

Job Description

Join our team as a Senior Embedded Software Engineer and contribute to the development of mission‑critical embedded software used within defence and other highly regulated engineering environments. You will work on complex real‑time systems where software robustness, determinism, and safety assurance are essential.

This role offers the opportunity to apply deep embedded C++ expertise in high‑integrity programmes, supporting the delivery of reliable software solutions within demanding, process‑driven environments.

Location: London
On‑site: 4 days per week
Seniority: Senior (8+ years’ experience)
Clearance: Candidates must be willing and eligible to obtain SC clearance.

Key Responsibilities

• Design, develop, and maintain embedded C++ software for real‑time, mission‑critical systems
• Contribute to development within safety‑regulated environments , following high‑integrity software practices
• Develop and integrate low‑level software components and system interfaces
• Support unit, integration, and system‑level testing to ensure deterministic and reliable behaviour
• Collaborate with systems, electronics, and test engineers to integrate software into complex platforms
• Produce clear and traceable technical documentation