Senior QA Engineer- Networking for AI

Arm; Cambridge; Hybrid; GBP 50,000 - 70,000; Full time

Job summary

A leading microprocessor technology company in Cambridge is seeking a QA Software Engineer to join their innovative team. In this role, you will design and develop test cases while collaborating with global teams to ensure production-quality software. Candidates should have expertise in C/C++/Python and experience with CI/CD pipelines. The position offers a hybrid working environment, allowing flexibility in your working pattern. Join us to work with cutting-edge technology and drive software quality forward.

Qualifications

• Expertise in testing software interfaces and functionality in C/C++/Python.
• Strong grasp of multicore processor architectures and low-level systems.
• Experience developing automated test frameworks and maintaining CI/CD pipelines.

Responsibilities

• Design and develop test cases and sample applications to ensure production-quality software.
• Collaborate with global teams to build and automate CI/CD pipelines.
• Work with open-source communities to maintain system-level test cases.

Skills

Testing software interfaces and functionality in C/C++/Python

Collaborating with global teams

Defect identification

Data analysis

Performance benchmarking

Tools

Git

Kubernetes

Docker

Job description

About Arm

Arm is the industry leader in microprocessor technology, powering a vast ecosystem with over 1,000 partners and 90 billion processors shipped. Our innovations drive the computing and connectivity revolution across AI data centres, cloud infrastructure, and networking appliances.

The Team & Role

Join a passionate team of Software Engineers developing and testing the software ecosystem for Arm’s next‑generation application processors. You’ll work with cutting‑edge technology—often before public release—on development platforms, software models, FPGAs, and early silicon.

QA Software Engineer – Responsibilities

• Design and develop test cases and sample applications to ensure production‑quality software.
• Collaborate with global teams to build and automate CI/CD pipelines.
• Work with open‑source communities and partners to maintain system‑level test cases.
• Adapt to testing various components across the networking software stack.

About You – Qualifications

• Expertise in testing software interfaces and functionality in C/C++/Python.
• Strong grasp of multicore processor architectures and low‑level systems.
• Experience developing automated test frameworks, maintaining CI/CD pipelines, and improving software quality.
• Skilled in defect identification, data analysis, and performance benchmarking.
• Proficiency in Git and distributed version control systems.

Desirable Skills

• Experience with open‑source software maintenance, SDN, Kubernetes, and Docker.
• Hands‑on testing of AI networking stacks (e.g., PyTorch, RDMA/RoCE, NCCL).
• Performance benchmarking and multi‑node setup testing using traffic generators like IXIA.

#LI-MS

Our 10x mindset guides how we engineer, collaborate, and grow. Understand what it means and how to reflect 10x in your work: https://careers.arm.com/en/10x-mindset

Accommodations at Arm

At Arm, we want our people to do great things. If you need support or an accommodation to be your brilliant self during the recruitment process, please email [e-mail]. To note, by sending us the requested information, you consent to its use by Arm to arrange for appropriate accommodations. All accommodation requests will be treated with confidentiality, and information concerning these requests will only be disclosed as necessary to provide the accommodation. Although this is not an exhaustive list, examples of support include breaks between interviews, having documents read aloud or office accessibility. Please email us about anything we can do to accommodate you during the recruitment process.

Equal Opportunities at Arm

Arm is an equal opportunity employer, committed to providing an environment of mutual respect where equal opportunities are available to all applicants and colleagues. We are a diverse organization of dedicated and innovative individuals, and don’t discriminate on the basis of race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or status as a protected veteran.

Hybrid Working at Arm

Arm’s hybrid approach to working is centred around flexibility, where we split our time between the office and other locations to get our work done. Within that framework, we empower groups and teams to determine their own particular hybrid working pattern, depending on the work and the team’s needs. Details of what this means for each role will be shared upon application. In some cases, the flexibility we can offer is limited by local legal, regulatory, tax, or other considerations, and where this is the case, we will collaborate with you to find the best solution. Please talk to us to find out more about what this could look like for you.