Job#: 3025892 Job Description: About the RoleWe are seeking
Embedded Software Test Engineers to support our client's validation of firmware, BLE connectivity, RTOS behavior, and real-time device interactions. This role focuses on test design, embedded automation, hardware-in-loop (HIL) testing, and ensuring safety-critical firmware reliability.
What You'll Do- Create and execute manual and automated test cases for embedded firmware.
- Validate BLE performance, connectivity, pairing/bonding, and interoperability.
- Test real-time behaviors on RTOS-based systems (FreeRTOS, ThreadX, Zephyr).
- Develop Python automation scripts for regression, stress, and reliability testing.
- Perform hardware-in-the-loop (HIL) and bench-level testing using scopes, analyzers, and debug tools.
- Log defects, reproduce firmware issues, and partner with developers for root-cause analysis.
- Maintain traceability across requirements, test cases, and results in regulated environments.
- Support continuous improvement of embedded QA frameworks and processes.
What We're Looking For- 2-8+ years of embedded software test experience.
- Experience testing firmware on microcontrollers and real-time systems.
- Solid Python scripting skills for test automation.
- Familiarity with BLE testing tools and protocol analyzers.
- Hands-on use of oscilloscopes, logic analyzers, multimeters, JTAG/SWD debuggers.
- Strong understanding of embedded SDLC, defect lifecycle, and verification practices.
- Medical device testing experience is a bonus.
Nice to Have- Experience with power consumption testing
- HIL framework development
- CI/CD automation (Jenkins, Git)
- Wireless coexistence testing
Why Join- Direct impact on device reliability and patient safety.
- Opportunity to work closely with firmware, systems, and hardware teams.
- Contract-to-hire potential depending on future needs.
- Hands-on engineering environment with meaningful work.
Apex Systems is a world-class IT services company that serves thousands of clients across the globe. When you join Apex, you become part of a team that values innovation, collaboration, and continuous learning. We offer quality career resources, training, certifications, development opportunities, and a comprehensive benefits package. Our commitment to excellence is reflected in many awards, including ClearlyRated's Best of Staffing in Talent Satisfaction in the United States and Great Place to Work in the United Kingdom and Mexico. Apex uses a virtual recruiter as part of the application process. Click for more details.
Apex Benefits Overview: Apex offers a range of supplemental benefits, including medical, dental, vision, life, disability, and other insurance plans that offer an optional layer of financial protection. We offer an ESPP (employee stock purchase program) and a 401K program which allows you to contribute typically within 30 days of starting, with a company match after 12 months of tenure. Apex also offers a HSA (Health Savings Account on the HDHP plan), a SupportLinc Employee Assistance Program (EAP) with up to 8 free counseling sessions, a corporate discount savings program and other discounts. In terms of professional development, Apex hosts an on-demand training program, provides access to certification prep and a library of technical and leadership courses/books/seminars once you have 6+ months of tenure, and certification discounts and other perks to associations that include CompTIA and IIBA. Apex has a dedicated customer service team for our Consultants that can address questions around benefits and other resources, as well as a certified Career Coach. You can access a full list of our benefits, programs, support teams and resources within our 'Welcome Packet' as well, which an Apex team member can provide.
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