RF Test Engineer III

Job Summary

Mercury Systems is seeking talented individuals to contribute to the advancement of cutting-edge technology in mission-critical aerospace and defense applications. The Test Engineer III role within the Integrated Processing Solutions business unit focuses on RF and antenna testing, environmental qualification, and test strategy development for defense applications.

Job Responsibilities

• Lead Design Verification Test (DVT) strategy and execution for complex RF transmitter/receiver systems and subsystems
• Design and develop specialized RF test fixtures, antenna test ranges, and test interface boards for RF subsystems
• Conduct comprehensive antenna testing including radiation patterns, gain measurements, VSWR, impedance matching, and far-field/near-field characterization
• Perform RF system performance testing including transmit power, receiver sensitivity, spurious emissions, harmonics, and intermodulation distortion
• Develop and maintain sophisticated automated test scripts for RF instrument control, data acquisition, and automated reporting
• Lead environmental and qualification testing per MIL-STD-810H (thermal, vibration, shock) and MIL-STD-461G (EMI/EMC) standards
• Carry out root cause analysis on complex RF test failures and drive resolution with cross-functional teams
• Own formal test reports with full requirements traceability and maintain test equipment calibration records
• Lead production test handoff activities including documentation, automation development, and knowledge transfer
• Interface with design engineering, program management, and manufacturing as the RF test subject matter expert for the program
• Support test planning, resource allocation, and schedule management activities

Required Qualifications

• Bachelor's degree in Electrical Engineering, Computer Engineering, or related field, or equivalent relevant experience
• Minimum of 4 years of related experience in electronics test engineering
• Extensive hands-on experience testing RF systems, transmitters, receivers, or antenna systems
• Strong programming experience in languages such as Python, .NET, or similar for test automation and data analysis
• Advanced proficiency with RF test equipment: spectrum analyzers, network analyzers, signal generators, power meters, anechoic chambers, and antenna test ranges (including CATR)
• Demonstrated experience with antenna testing and characterization techniques
• Strong understanding of RF communication principles, modulation schemes, and link budgets
• Experience with MIL-STD environmental and EMI/EMC testing standards (810H, 461G)
• Government security clearance required

Preferred Qualifications

• Master's degree in Electrical Engineering
• Experience with AI-assisted development tools (Claude Code, Cursor, GitHub Copilot, or similar) for test automation development
• Experience with advanced antenna testing: phased arrays, AESA systems, and OTA methodologies
• Experience with additional MIL-STD test standards (704, 1275, or similar)
• Experience with RF test fixture design or PCB layout tools for RF applications
• Familiarity with additional languages such as C/C++, MATLAB, LabVIEW, Rust, or SQL
• Knowledge of antenna design principles and electromagnetic theory
• Experience with requirements management tools (JAMA, DOORS)
• Understanding of Design for Test (DFT) principles for RF systems
• Experience with OpenVPX/SOSA architecture, VITA standards (46.11, 48.2, 62, 65, 67.3), and RFSoC/FPGA-based RF systems
• Experience with high-speed data interfaces including 100GigE, 40GigE, 10GigE, and fiber optic connections

Location

This position is on-site at Mercury Systems, Phoenix, AZ. Enjoy every other Friday off with our 9/80 work schedule!

Pay & Benefits

Salary Range: $75,000.00 - $150,000.00 annual salary for in-office or hybrid employees in FL, GA, IN, AZ, AL, MD or TX, and all remote employees $84,000.00 - $168,000.00 annual salary for in-office or hybrid employees in VA, CA, NH or MA $88,500.00 - $177,000.00 annual salary for in-office or hybrid employees in NJ

Benefits: 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 Systems 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.