At Squarehead, we develop acoustic sensors capable of everything from detecting drones to providing full control in demanding security and industrial environments. In short: we give people super-hearing and situational awareness when it matters most.

We’re now looking for new teammates who enjoy variety, learning, and building systems that matter.

About the role

Our main product is an array of 100+ tiny microphones, which, combined with some clever math and signal processing, enables us to zoom in on sound, and turn down the volume of the surroundings of the source of interest. In this way, we can for instance detect, locate and classify threats like drones, be it in the field or in a busy city.

We're looking for a test automation and CI engineer to join our small, focused infrastructure team. Your mission: make it easy and reliable for our product teams to build, test, and ship code all the way from host-side unit tests to integration tests running on embedded hardware.

Our CI system is built around GitLab, but much of the test automation infrastructure is still being shaped. This is a greenfield opportunity where you'll have real influence over how we do CI and testing going forward.

What you'll do

Design, maintain, and optimize CI/CD pipelines in GitLab
Build and evolve test automation frameworks for a C++ codebase with a TypeScript/React frontend
Set up and manage on-device test infrastructure across embedded Linux platforms
Improve build times, reliability, and developer feedback loops
Collaborate with product teams to define test strategies and help them write effective tests

What we're looking for

Experience with CI/CD systems (GitLab CI preferred)
Experience with test frameworks (e.g. Google Test, Jest, pytest, or similar)
Comfortable with Linux, including embedded Linux environments
Experience with collecting statistics and building dashboard for the developers
Scripting skills (Bash, Python, or similar)
Good written and spoken English is required

It’s also nice if you have

Familiarity with C++ build systems and toolchains
Experience with Docker and containerized build/test environments
Cross-compilation and embedded toolchains (For instance, we use Yocto)
Hardware-in-the-loop testing

A relevant degree (bachelor's or master's) is an advantage, but practical experience matters more.

Why Squarehead

Those of us who currently work here tend to appreciate:

The product is genuinely cool. Acoustic drone detection isn't something you find at most companies.
Small team, real impact. You work closely with developers and product managers with minimal overhead and maximum autonomy.
We invest in developer experience by building our own tools to improve how we work.
Everything is built here. Software and hardware, developed locally in our Oslo office.
Occasional field trips to test systems in real-world conditions.
Good work/life balance with a flexible workday. Working from home when needed is not a problem.
Growth opportunities through conferences, courses, and hackathons. We're actively involved in organizing NDC TechTown and Oslo C++ Users Group.

In addition to the points mentioned above, we have:

Easy commute right next to the subway
Subsidised canteen
Weekly organised physical activity (currently padel tennis and climbing)
Rooftop terrace for breaks and summer parties
Indoor bicycle and car parking
Wardrobe with showers

Practical information

We review applications and invite candidates for interviews on an ongoing basis, so if you’re interested, we recommend applying soon.

We work with partners who require confidentiality and have security requirements that we must ensure our employees can comply with. This position may require security clearance.

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