Mission Systems Test Engineer
- Salary
- $100k - $135k
- Level
- Mid
Not stated in the posting: work type, visa.
Open. First seen 2 October 2026.
About the role
Greenfield Engineering, a Saalex Company is seeking Mission Systems Test Engineer in Patuxent River, MD to support the Presidential Helicopter Software Support Activity and related military avionics programs. The ideal candidate will have extensive hands-on experience with avionics navigation and communication systems, a strong background in hardware/software testing, and a working knowledge of narrow band communications. This role requires a Top Secret clearance and familiarity with COMSEC protocols.
Position Type: Full-Time
Salary: $100k - $135k (depending upon experience)
Work Location: Full-time onsite.
Essential Functions:
- Develop detailed system and subsystem test requirements from high-level operational and system specifications for software/hardware implementation of avionics and communications systems.
- Perform hands-on testing and integration of navigation and communication systems/subsystems (including Digital FM radio, GPS, SATCOM, HF ALE radio, Mil-Std 1553 Bus, and related equipment).
- Utilize specialized test equipment (e.g., Avionics Integration Station, Bus Collection Computer, Satellite Simulators) for systems integration and compliance testing.
- Analyze system performance data, including timing metrics and operational compliance, to validate system functionality and safety.
- Investigate and resolve incident reports and defects, determining root causes and implementing corrective actions.
- Develop and execute test procedures for aircraft avionics systems and associated support systems, ensuring compliance with approved Software Trouble Reports and Defects.
- Provide customer support for aircrew procedures trainers, flight testing, and cockpit upgrade programs.
- Participate in technical conferences and qualification testing activities.
- Other duties as assigned or required.
Requirements
Required:
- 3+ years of experience in hardware/software testing for military/commercial avionics equipment.
- Demonstrated experience with avionics navigation and communication systems, including narrow band communications.
- Working knowledge of COMSEC protocols and secure communications equipment.
- Proficiency in developing and implementing test procedures for analog, digital, microprocessor, power, and RF electronics.
- Strong analytical, troubleshooting, and documentation skills.
- Excellent communication and customer support abilities.
- Bachelor’s degree in Electrical Engineering, Avionics Systems Technology, or related field (Master’s preferred).
Desired:
- Experience creating and executing software test procedures.
- Experience with VH-92A, VH-3D and VH-60N helicopters.
- Familiarity with Mil-Std 1553 Bus, SATCOM DAMA/DASA, HF ALE radio, and related avionics systems.
- Prior experience supporting flight testing, NATOPS conferences.
- Experience with tactical narrowband communications.
- Prior experience with avionics and mission systems testing
Education:
Bachelor’s degree in Electrical Engineering, Avionics Systems Technology, or related field and 3+ years of experience.
Clearance:
Active Secret clearance required. Requirements to obtain a clearance include US Citizenship, security investigation, etc.
Saalex's standard text
Benefits
- Health Care Plan (Medical, Dental & Vision)
- Retirement Plan (401k, IRA)
- Life Insurance (Basic, Voluntary & AD&D)
- Paid Time Off (Vacation, Sick & Public Holidays)
- Short Term & Long Term Disability
- Training & Development
- Wellness Resources
- Stock Option Plan
What this role asks for
91% of this description is written for the role. The rest is Saalex's standard text, folded away below.
Read against Saalex's other open postings on this site.
The team: Greenfield Openings HIRES STEADILY
This role is one of 23 open in Greenfield Openings. 1 was posted in the last 30 days and the oldest in March: a team that hires all year rather than one being built.
WHAT THE TEAM WORKS WITH, ACROSS ITS POSTINGS
C++ (5 of 23), Java (5 of 23), Python (4 of 23), C (2 of 23)
OTHER ROLES ON THIS TEAM
- Journeyman Software Developer posted Sep 30
- Avionics Integrated Product Team Lead posted Sep 11
- Cockpit Lead Systems Engineer posted Sep 9
- Senior Program Analyst posted Sep 1
- Mission Systems Program Analyst posted Sep 1
- Senior Financial Analyst posted Aug 27
- Mission Systems Test Engineer posted Aug 19
- Engineering Technician III posted Jul 17
- Junior Systems Administrator posted Jul 15
- Junior Software Developer posted Jun 29
- Junior Surveillance Systems Engineer posted Jun 25
- Surveillance Systems Lead Engineer posted Jun 25
- Senior Mission Planning Engineer posted Jun 25
- Mission Planning Engineer posted Jun 25
- Surveillance Systems Engineer posted Jun 25
- Data Integrity Engineer (Avionics Software/Data Analysis) posted Jun 25
- Junior Mission Planning Engineer posted Jun 25
- Senior Data Integrity Engineer (Avionics Software & Data Analysis) posted Jun 24
- Junior Data Integrity Engineer (Avionics Software & Data Analysis) posted Jun 24
- Communications Engineer posted May 21
- Senior Communications Engineer posted May 21
- Junior Systems Administrator posted Mar 10
From the team and dates on Saalex's own job board.
Posting history
Reposted once since 3 June 2026: a posting for this role in Lexington Park was taken down and the role was posted again.
- 2 October 2026 – open
- 2 October 2026 – open (this posting)
- 3 June 2026 – closed 20 June 2026
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