New

Principal Test Engineer - Huntsville, AL

Mercury Systems
paid holidays, tuition reimbursement, 401(k), retirement plan
United States, Alabama, Huntsville
555 Sparkman Dr Nw Ste 400 (Show on map)
Jan 30, 2026
Back 3h Principal Test Engineer #26-116 Huntsville, Alabama, United States Apply X Facebook LinkedIn Email Copy Job Description Job Summary: Mercury Systems Mixed Signal business unit is seeking an experienced Test Engineer to develop and execute comprehensive test strategies for sophisticated mission-critical embedded technology designed to withstand the most rugged environments. In this role, you will work closely with our world-class electrical engineering team to ensure cutting-edge modules meet the highest quality standards for aerospace and defense applications. You will be responsible for the complete test lifecycle from Design Verification Testing (DVT) through Manufacturing Test development and production handoff. This is an ideal opportunity for someone who thrives on making an impact and having influence while "wearing many hats". By joining Mercury Systems as an engineer, you will develop your technical skills both in breadth and in depth. This role will play a key part in validating and qualifying data storage and transfer systems for the Data Systems Product Line, ensuring our warfighters and allies have reliable, mission-critical technology. Job Responsibilities: Organize, develop, and execute Design Verification Test (DVT) plans and procedures for complex circuits, modules, and systems Design and implement Manufacturing Test solutions to support production scalability Lead product handoff activities from engineering to production, including test documentation and knowledge transfer Develop comprehensive test plans based on system electrical requirements and design specifications Create detailed test procedures and verification reports for rugged electronics and computer systems Execute electrical compliance testing to military and aerospace electrical standards (MIL-STD-461G, etc.) Support board bring-up, debug, and functional verification activities in collaboration with design engineers Perform product requirement testing and validation against customer and market specifications Develop and maintain automated test systems and fixtures Interface with suppliers, manufacturing teams, and customers to resolve technical test issues Document test results, failure analysis, and corrective actions Support sustaining engineering activities for returned products Required Qualifications: Bachelor's degree in Electrical Engineering, Computer Engineering, or related field. Typically requires 6+ years of related experience. Experience developing test plans, procedures, and verification reports for hardware/electrical products. Hands-on lab experience with test equipment (oscilloscopes, logic analyzers, power supplies, DMMs, etc.). Experience with functional and parametric testing of PCB assemblies. Knowledge of electrical design principles including power, digital, and analog circuits. Strong debug and troubleshooting skills for both hardware and software. Experience with test documentation and reporting. This position requires you to have or obtain a government security clearance in the future. Security clearances may only be granted to U.S. citizens. Minimal travel may be required. This position may require you to have or obtain government security clearance in the future. Security clearances may only be granted to U.S. citizens. Preferred Qualifications: Experience testing ruggedized military and space-grade electronics An active DoD Secret Clearance Experience with automated test equipment (ATE) development and LabVIEW, Python, or similar Knowledge of Design for Test (DFT) principles and Manufacturing Test optimization Familiarity with military and aerospace test standards (MIL-STD-810, MIL-STD-461G, DO-160, etc.) Experience with 3U/6U VPX systems (VITA46, VITA65) Understanding of EMI/EMC testing and compliance Experience testing Radiation Tolerant components and systems Knowledge of reliability testing, HALT/HASS, and environmental stress screening Familiarity with statistical process control and test data analysis Experience with production test handoff and manufacturing support Understanding of signal integrity, power integrity, and high-speed digital testing Pay Grade Range Fulltime Equivalent Job Grade Salary Range for this position * $87,100.00 - $182,900.00 annual salary for in-office or hybrid employees in FL, GA, IN, AZ, AL, MD or TX, and all remote employees * $97,600.00 - $204,800.00 annual salary for in-office or hybrid employees in VA, CA, NH or MA * $102,800.00 - $215,800.00 annual salary for in-office or hybrid employees in NJ Additional Information Mercury considers a variety of factors to determine individual base salary offers to candidates, including: * the role and related responsibilities; * prior work experience; * education, training, skills and certifications; * internal equity with others employed by Mercury in similar roles; * geographic location; and * alignment with market data. In addition to base salary, Mercury provides a variety of benefits for team members including: * bonus opportunities (or special incentives for sales positions); * health, life and disability insurance; * company-paid holidays and time off; * 401(k) retirement plan; * discounted employee stock purchase plan; * tuition reimbursement; and * access to professional development and personal wellness platforms including LinkedIn Learning, Headspace, Aaptiv and Virgin Pulse. Team members at the Director or Vice President level are also eligible to receive annual stock-based awards. Mercury offers a 9/80 alternative work schedule that provides employees more opportunity for work/ life balance (available based off location) Why Mercury? 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 Click here read about our recent press release.