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Saalex

Mission Systems Test Engineer

Lexington Park
Salary
$78k - $127k annually
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 a Mission Systems Test Engineer in Lexington Park, MD to support the H-1 Helicopter Avionics Test Facility and related military aviation programs. This role is responsible for the testing, integration, and evaluation of avionics, communications, mission systems, and COMSEC-enabled technologies that support aircraft modernization and operational readiness across multiple NAVAIR platforms.

Position Type: Full-Time

Salary: $78k-$127k annually (depending on experience)

Work Location: Onsite

Essential Functions:

  • Develop and execute test procedure for avionics, radio, and weapon system and H1 software/hardware upgrades.
  • 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.
  • Utilize specialized test equipment, 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.
  • 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:

  • 2+ years of experience in hardware/software testing for military/commercial avionics equipment.
  • Experience creating and executing software test procedures.
  • Prior experience with avionics and mission systems testing.
  • 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.

Desired:

  • Experience with MUOS and other tactical communication links.
  • Experience with H-1 and other NAVAIR platforms.
  • Experience with avionics navigation and communication systems, including narrow band communications.
  • 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.
  • Knowledge of COMSEC protocols and secure communications equipment.

Education/Years of Experience:

Bachelor’s degree in Electrical Engineering, Avionics Systems Technology, Computer Systems, IT, or related field and 2+ years of experience required. Masters degree preferred.

Security 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

90% 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

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.

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