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Software Test Engineer III

Mercury Systems.com

Office

Andover, MA, United States

Full Time

Mercury System's software team is seeking a Software Test Engineer III to ensure our embedded processor systems meet the highest standards of quality and performance. In this role, you’ll work closely with software developers to validate system functionality and contribute to the delivery of mission-critical solutions. You’ll be at the forefront of testing cutting-edge technologies, helping to shape the reliability and excellence of products designed for national defense.

Job Responsibilities:

  • Analyze and provide feedback on product requirements to ensure clarity, completeness, and testability 
  • Develop test plans & test cases that map to product requirements
  • Procure equipment, configure test plans, and install firmware & software components
  • Execute manual test plans
  • Automate test cases 
  • Serve as the SQA Lead in project meetings and bug sessions for assigned projects
  • Document and communicate detailed bug reports
  • Compile and deliver final test result reports

Required Qualifications:

  • Bachelor’s degree in computer science, computer engineering or related technical field
  • Typically requires a minimum of 4 years of software testing experience 
  • Advanced proficiency in Linux/Unix environments, including installation, configuration, networking, kernel patching, toolsets
  • Highly organized and detail-oriented, with a strong commitment to quality
  • Hands on experience with automation frameworks and scripting languages such as python and shell scripting
  • Experience with Atlassian tools including Jira, Confluence, Bamboo, BitBucket is a plus.
  • Strong analytical skills and curiosity to investigate technical issues and identify root causes.

"This position requires you to access information that is subject to U.S. export regulations. You may only access such information if you are a U.S. citizen, lawful permanent resident of the U.S., protected individual as defined by 8 U.S.C. 1324b(a)(3), or eligible to obtain the required authorizations from the U.S. government."

Qualifications Why should you join Mercury Systems?

Mercury Systems is a technology company that makes the world a safer, more secure place. We push processing power to the tactical edge, making the latest commercial technologies profoundly more accessible for today's most challenging aerospace and defense missions. From silicon to system scale, Mercury enables customers to accelerate innovation and turn data into decision superiority. Headquartered in Andover, Massachusetts, Mercury employs more than 2,300 people in 24 locations worldwide. To learn more, visit mrcy.com

Our Culture

We are committed to making Mercury a great place to work, no matter where our employees are located. We offer a casual and enjoyable atmosphere that allows employees to learn and grow. We help and care for one another and work as one to achieve results for us and for our customers. We value communication and transparency, and strive to foster two-way dialogue at all levels of the organization. We are committed to lifelong learning, offering comprehensive skills training and tuition reimbursement. Whether you're just starting out on your career journey or you are an experienced professional, it's important to us that you feel recognized and rewarded for your contributions.

To find out more about Why Mercury?, or visit the Mercury Community or find answers to general questions at Mercury FAQs

Mercury Systems is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, age, sex (including pregnancy), sexual orientation, gender identity, national origin, genetic information, creed, citizenship, disability, protected veteran or marital status.

As an equal opportunity employer, Mercury Systems is committed to a diverse workforce. In order to ensure reasonable accommodation for individuals protected by Section 503 of the Rehabilitation Act of 1973, the Vietnam Veterans' Readjustment Act of 1974, and Title I of the Americans with Disabilities Act of 1990, applicants that require accommodation in the job application process may contact the number below for assistance.

(978) 256-1300

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Software Test Engineer III

Office

Andover, MA, United States

Full Time

September 25, 2025

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Mercury Systems

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