Systems Assurance Engineer

Company: Firstco

Location: London

Posted: April 17th, 2026

Firstco is more than a workplace; it's a space where you can grow, innovate, and make a real impact. We don't just offer jobs; we offer careers that are rich in opportunities and experiences.

At Firstco, we don't just offer a job; we offer a pathway to a fulfilling career, a healthy life, and a vibrant community.

Job Purpose

Firstco is a UK-based systems engineering company specialising in mission‑critical control, communication, and automation systems across transportation, aviation, and other critical infrastructure environments such as data centres.

We are expanding our Systems Engineering and Assurance capability and are recruiting aJunior Systems Assurance Engineer to support the delivery of systems assurance, requirements management, verification and validation activities across major infrastructure projects.

This role is ideal for an engineer with1–5 years’ experience who is seeking to deepen their expertise in assurance and systems engineering. You will work alongside experienced Systems Engineers and Assurance Leads, gaining exposure to complex, safety‑critical and highly regulated environments.

Firstco is an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees.

Example Duties and Responsibilities

Applications are open to engineers with experience in systems engineering and/or assurance roles. We are looking for candidates who have experience in some (but not necessarily all) of the following areas:

Due to the nature of Firstco’s projects, some works may occasionally be required during night shifts or weekends to meet operational constraints. This will be planned and infrequent, with the role being predominantly weekday‑based.

Desired Skills and Qualifications

We welcome applications from candidates with the following background:

Main Place of Work

Central London / Heathrow Airport / Hybrid Working

Preferred Attributes

Firstco is an Equal Opportunity Employer. We are an inclusive organisation and actively promote equality of opportunity for all.

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