A Day in Your Life at MKS:
As a Sr. Software Test Engineer at the Lasers Business Unit of MKS Instruments, you will partner with Spectra-Physics Scientists and Engineers; Software, Electrical and System to contribute to ensure the software and system quality for the new free-space and fiber-based laser systems by developing and executing test strategy. In this role, you will report to the Sr. Manager, Software Engineering.
You Will Make an Impact By:
- Test Planning & Execution: Develop, maintain, and execute well-structured test plans and test cases (manual and automated) for embedded firmware, covering features, integration, and system levels.
- GUI Testing: Validate GUIs for usability, functionality, responsiveness, and compatibility with target hardware and operating systems.
- Performance & Compatibility Testing: Ensure software runs efficiently on embedded platforms and integrates well with hardware, firmware, and photonics modules.
- Bug Identification & Resolution: Document defects, trace them back to requirements, and work with developers to fix issues.
- Automation: Use automated testing tools for regression testing, functional testing, and GUI validation to improve speed and coverage.
- Traceability: Maintain traceability matrices linking requirements to test cases and results.
- Risk Management: Identify failure modes early to prevent costly late-stage fixes.
- Troubleshooting: Reproduce, troubleshoot, and thoroughly test field-reported and customer-facing bugs in live or simulated environments
Skills You Bring:
Experience working with precision equipment, preferably in photonics industry
- BS degree in Software Engineering, Computer Engineering, Electrical Engineering, or equivalent.
- 5+ years related Software QA experience with embedded systems and GUIs.
- Exposure to DevSecOps and cyber security principles is desired.
- Demonstrable proficiency programming in C/C# and Python.
- Experience with testing frameworks like Unity, Pytest, GTest, NUnit, xUnit.
- Well versed in CI/CD tools, version control, and bug tracking system like JIRA.
- Familiarity with interfaces such as I2C, SPI, RS-232, RS-485, Ethernet & USB.
- Experience with test equipment (DVM, Power Supply, Oscilloscopes).
- Excellent communication, documentation & organizational skills.
Preferred Skills:
- Experience using LLMs or other AI tools for tasks like test case generation, test data creation, and defect analysis is a plus.
- Ability to read electronic schematic diagrams & component datasheets.
- Experience with Real-Time Operating Systems (Azure/Threadx, FreeRTOS), and/or Linux.
- Experience working with distributed teams.
Physical Demands and Working Conditions:
- Sitting for prolonged periods of time in a lab or office setting
Compensation and Benefits:
Salary Pay Range: $110,000.00 - 155,000.00 per year. This range is a good faith estimate of the expected salary range for this position, based on a wide range of factors including qualifications, experience and training, operational and business needs and other considerations permitted by law.
Bonus: This position is eligible for a discretionary annual bonus, in an amount to be determined by MKS [or as applicable].
Benefits: MKS offers a comprehensive benefits package, including health insurance coverage (medical, dental and vision), 401(k) with company match, life and disability insurance, 12 paid holidays, sick time, 15 paid vacation days, [6 weeks fully paid] parental leave, adoption assistance and tuition reimbursement [and for participation in any stock programs, signing bonus, etc.
If applying for a specific job, please include the requisition number (ex: RXXXX), the title and location of the role
