Manual Software Test Engineer – ON-SITE

Job Overview

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Join us and start building tomorrow’s world today!

Job Description

Play a vital role in verifying high-integrity software used on complex defence systems. At ALTEN, we’re supporting critical programmes in the underwater systems domain—where reliability, usability, and safety are key. As a Manual Software Test Engineer, you’ll work as part of a dedicated team testing user-facing software in a Linux environment. You’ll contribute directly to the assurance of safety-critical systems that protect national assets. This is your opportunity to apply your test expertise to a project with real-world impact.

Key Details:

Location: On-site in Manchester (5 days per week)

Security Clearance: Must be SC clearable

Experience Level: 5+ years’ experience in Software Testing

Key Responsibilities:

Design, develop, and execute manual software tests for complex systems with rich UI/UX interfacesWork closely with developers and systems teams to verify software functionality, performance, and usabilityPerform detailed functional, regression, and system-level testing on Linux-based systemsUse Jira, Confluence, and other Atlassian tools to track issues and document testing activitiesCreate and maintain formal test plans, cases, and results aligned to defence and safety-critical standardsContribute to testing in virtualised or containerised environments where required

Qualifications

Required Skills:

5+ years’ experience in manual software testingStrong experience with UI/UX testing on complex systemsSolid understanding of formal testing processes and structured documentationProficient in Linux OS with experience using Bash scriptsCompetence with Jira, Confluence, and associated tools for test tracking and reportingRequired Qualifications:

Must be eligible for UK Security Clearance (SC)A Bachelor’s degree in Computer Science, Software Engineering or a related discipline ORA relevant background in UK Armed Forces with proven software testing experienceDesirable Skills:

Experience working within defence or safety-critical environmentsUnderstanding of Agile development practices and workflowsExposure to C++ or JavaFamiliarity with test automation, CI/CD tooling (e.g. Jenkins, JFROG Artifactory)Understanding of containerisation technologies (e.g. Docker) and IP networking protocols

Additional Information

Why join us?

We foster a community of dually talented individuals who are both entrepreneurs and technology specialists. Our teams embody the spirit of innovation and entrepreneurship, enabling us to develop solutions most efficiently.

Our commitment to sustainable growth is unwavering, and we continuously strive for accelerated transformation and continuous improvement. Through ALTEN labs, mentoring programs, internal universities, and more, we are always pushing boundaries and embracing new possibilities.

We offer incredible opportunities to join inspiring projects in the most innovative companies.

We prioritise your career development with personalised support plans tailored to your own aspirations. We’re here to empower you and help you reach your full potential.

Join our passionate team and start building tomorrow, today!

In short you get:

A personalised career path and a rewarding management styleA chance to work on the most exciting engineering projects and technologies along with Premium CustomersA huge diversity of engineering projects and industriesA competitive salaryPrivate Medical & Travel InsurancePension SchemeCycle-to-work Scheme among many additional benefitsSocial atmosphere, regular gatherings, and team buildingsFlexible way of working (role dependent)