Senior Software Test Engineer

Senior Software Test Engineer

At ITRS, we make society's critical technology work. Our mission is to deliver automated and holistic IT observability solutions that safeguard critical applications and enable innovation. We are the only monitoring and observability platform designed for the most demanding and regulated industries — trusted by 90% of Tier 1 capital markets firms.

We believe when our team thrives, so do our customers. With us, you'll find:

• A culture that backs you – We're proud to be a Great Place to Work for multiple years in a row due to our inclusive, supportive environment.
• Work that matters – Make a real difference with 1,000s of global customers in industries that keep the world running, including 9 out of 10 top investment banks.
• Room to grow – Whether you're starting your career or bringing years of experience, we're committed to your development. Just ask our team members who've been excelling here for 10+ years.

With headquarters in London and teams across the US, Europe, and Asia, ITRS combines the agility of a high-impact tech business with the stability of a private equity–backed global partner.

We are looking for a Senior Software Test Engineer to join our software engineering team in Chicago. Reporting to our Engineering Manager, you will focus on platform-level testing for our backend software, ensuring the reliability, performance, and scalability of our products.

You will play an important part in maintaining and advancing our performance testing infrastructure, with an emphasis on automation. We offer flexibility, with a hybrid work schedule - at least 1-2 days per week in the office collaborating with the local team, and the rest remote. Occasional travel within the US and internationally to connect with our distributed global team. This role offers a salary range of $100,000 - $140,000 per annum.

As a Senior Software Test Engineer, you will:

• Conduct comprehensive platform-level testing, including functional, non-functional (e.g., performance, load, scalability), and integration testing for backend services.
• Maintain and evolve our existing performance testing lab, implementing enhancements to support evolving product needs.
• Develop and automate sizing measurement tools and frameworks to assess resource requirements (e.g., CPU, memory, storage) for customer deployments.
• Collaborate with software engineers to define test strategies, review requirements, and ensure quality throughout the product lifecycle—from design to deployment and support.
• Stay ahead of industry best practices in QA automation, performance testing, and backend technologies to drive continuous improvement.
• Support team activities, including knowledge sharing and mentoring on testing practices.