Systems Integration & Validation Engineer

Copello Global; United Kingdom; On-site; GBP 40,000 - 60,000; Full time

Job summary

A leading defense technology firm is seeking a Software Test Engineer to join their Integration & Systems Validation team in the United Kingdom. The ideal candidate will oversee software testing and validation, working across the product lifecycle from concept to customer trials. This role requires experience in software testing, problem-solving skills, and the ability to collaborate with both technical and non-technical stakeholders. Competitive pay is based on skills and experience.

Qualifications

• Experience in software testing and systems validation.
• Strong problem-solving and self-management skills.
• Excellent communication with both technical and non-technical stakeholders.

Responsibilities

• Plan and conduct software testing and validation for complex systems.
• Investigate defects, analyze logs, and execute qualification testing.
• Collaborate with engineering teams and partners for integration and trials.

Skills

Functional or software testing

Verification & validation (V&V)

Problem-solving skills

Communication skills

Agile/Scrum experience

Education

ISTQB or other software testing certifications

Tools

Python

GitLab

Jenkins

DOORS

JIRA

ALM/PLM

Excel/macros

Job description

Systems Integration & Validation Engineer

This range is provided by Copello Global. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more.

We’re looking for a Software Test Engineer to join our Integration & Systems Validation team. You’ll be part of a fast‑paced environment, working with cutting‑edge simulation systems that integrate real products, models, and synthetic environments.

This role offers the chance to work across the full product lifecycle from concept demonstration and product development to systems integration and customer trials in a dynamic Digital Battlespace Facility.

What you’ll do

• Plan, conduct, and report on software testing and validation for complex systems.
• Investigate software defects, analyse logs and data, and execute formal qualification testing.
• Collaborate with engineering teams and external partners to support integration, trials, and demonstrations.
• Produce clear test reports and support software delivery and certification.

Essential skills & experience

• Experience in functional or software testing, verification & validation (V&V), or systems proving.
• Strong problem‑solving and self‑management skills.
• Excellent communication and the ability to work with technical and non‑technical stakeholders.
• Familiarity with tools such as Python, GitLab, Jenkins, DOORS, JIRA, ALM/PLM, Excel/macros, or similar.
• Understanding of software simulation/emulation and CI/CD pipelines.
• Experience in Agile/Scrum teams.
• ISTQB or other software testing certifications.

Seniority level

Mid‑Senior level

Employment type

Full‑time

Job function

Engineering and Other

Industries

Defense and Space Manufacturing and Aviation and Aerospace Component Manufacturing

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