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Software Engineer (SI)

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Onsite

Software Engineer (SI)

Outsource UK

Software Engineer (SI)

Skills

C#

7 days ago

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Important information


Contract type:

Freelance / Contract

Salary:

£82,596 – £111,300 / year

Location:

New Malden, UK

Work mode:

Onsite

Published on:

15 October 2026

What they need


Software Engineer (SI)

Company: BAE Systems

Location: New Malden, with occasional visits to Broad Oak

Contract: 6 months

Rate: £39.71 per hour PAYE or £53.51 via umbrella, Inside IR35

Working Pattern: Hybrid – 3–4 days onsite per week (not fixed)

Security: UK Eyes Only – BPSS and SC in progress

The Opportunity

BAE Systems is seeking experienced Software Engineers to develop and maintain software products across a range of platforms.

You will contribute to software design, development, integration and testing, helping deliver reliable technical solutions. Working within a multidisciplinary engineering team, you will investigate technical issues, implement software improvements and support internal and customer testing.

Key Responsibilities

  • Develop, maintain and implement software fixes and functionality updates.
  • Investigate complex technical issues and recommend effective solutions.
  • Produce software designs and technical documentation in line with engineering standards.
  • Support software integration and testing on local target rigs.
  • Undertake unit, regression and system testing.
  • Collaborate with engineering teams to deliver project requirements.
  • Evaluate emerging technologies and identify opportunities to improve existing products.

Essential Skills and Experience

  • Strong software engineering background, particularly C# development .
  • Experience with WPF (Windows Presentation Foundation) .
  • Experience using PowerShell.
  • Knowledge of unit, regression and system testing.
  • Experience working within an Agile development environment.
  • Strong analytical and debugging skills.
  • Ability to work within complex, multidisciplinary engineering teams.
  • Good understanding of the engineering lifecycle and technical documentation.

Desirable Experience

  • Previous experience in defence engineering or a related industry.
  • A degree in technology, engineering or a science-related discipline.
  • Working towards Chartered Engineer status or an equivalent professional qualification.

Why Join BAE Systems?

Join a collaborative engineering team working on complex software projects. You will have the opportunity to develop your technical skills, work alongside experienced specialists and contribute to innovative engineering solutions.

BAE Systems promotes an inclusive working environment where people are encouraged to develop their skills and reach their potential.

Security Requirements

This role is UK Eyes Only and requires BPSS and Security Check (SC) clearance, with vetting in progress. Applicants must meet the relevant security and eligibility requirements.

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