Greenfield Engineering

Greenfield Engineering, a Saalex Company is seeking Journeyman Systems Administrator in Patuxent River, MD. The ideal candidate will be responsible for configuration, deployment and maintaining Windows servers, Windows 11 desktop systems, Network infrastructure and compliance with information assurance requirements. Candidate will create and maintain lab test and development environments. Candidate will support 75 users / 125 computer assets / printers / network connectivity in the building. Position Type: Full-Time Salary: $90k-$120k annually (depending on experience) Work Location: Full-time onsite (see onsite requirements below) **On-site Requirements: This position is not eligible for reoccurring telework, and will require an onsite presence at Patuxent River NAS for greater than or equal to 90% of the work week. Essential Functions: Perform ACAS / SCAPs on machines to look for vulnerabilities and apply patches to remediate. Build, Maintain and harden...

Greenfield Engineering, a Saalex Company is seeking an Avionics Systems Engineer to support the analysis, documentation, and certification of avionics systems associated with navigation and airspace integration capabilities. This role focuses on systems engineering, certification support, and technical documentation , rather than hands‑on software development or testing. The Avionics Systems Engineer supports engineering and certification efforts across U.S. Navy, Marine Corps, Coast Guard, and Foreign Military Sales (FMS) aviation platforms, with an emphasis on Performance Based Navigation (PBN), RNAV/RNP, and CNS/ATM capabilities . The incumbent works under the guidance of a senior systems or lead engineer and contributes to the review and assessment of avionics systems, requirements, and engineering artifacts supporting airworthiness and certification activities. Position Type: Full-Time Salary: $122k-$165k annually (depending on experience) Work Location:...

Greenfield Engineering, a Saalex Company is seeking Technical Software Manager in Patuxent River, MD. The candidate will provide system software engineering expertise to IPT personnel in the support of VH-92A Program requirements and objectives. Position Type: Full-Time Salary: $125k-$150k annually (depending on experience) Work Location: Onsite **On-site Requirements: This position is full-time onsite at Patuxent River, MD and may be eligible for reoccurring telework, but will require an onsite presence at the VH Facility for greater than or equal to 85% of the work week" Essential Functions: Candidate will provide technical guidance, identify risks and issues, and provide recommendations to Integrated Product Team (IPT) members in support of the development of software/hardware products. Prepare/Review/Manage technical documentation, proposals, investigations, analyses, needed to support Engineering Change Proposals (ECPs), Product Test Verifications, and...

Greenfield Engineering, a Saalex Company is seeking a Journeyman Field Support Representative in Quantico, VA to support the development, test and fielding of the presidential helicopter VH software support activity. Candidate will directly support operational squadron with technical expertise on mission systems operation, typical operational scenarios and advanced troubleshooting techniques. Candidate will provide technical continuity and training at the squadron level as Marines learn new mission systems. Candidate will serve as the technical conduit between squadron, software support activities and program office. Working knowledge of tactical communications, networking, mission systems, test tools and MIL-STD-1553 is required. Position Type: Full-Time Salary: $47-$53 hourly (depending on experience) Work Location: Full-time onsite at MCB Quantico, VA, Presidential Helicopter squadron HMX-1. Essential Functions: Act as the liaison between the operational...

Greenfield Engineering, a Saalex Company is seeking a Junior Systems Administrator in Patuxent River, MD. The ideal candidate will be responsible for configuration, deployment and maintaining Windows servers, Windows 11 desktop systems, Network infrastructure and compliance with information assurance requirements. Candidate will create and maintain virtualized development environments. Candidate will support 200 users / 150 computer assets / printers / network connectivity in the building. Position Type: Full-Time Salary: $60k-$75k annually (depending on experience) Work Location: Full-time onsite Essential Functions: Install, configure, and support an organization's local area network (LAN), wide area network (WAN), and Internet systems or a segment of a network system. Monitor network to ensure network availability to all system users and may perform necessary maintenance to support network availability. Monitor and test Web site performance to ensure Web sites...

Greenfield Engineering, a Saalex Company is seeking PNT/GPS Engineer in Lexington Park, 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 position is a key contributor to mission effectiveness and safety of flight across the Naval Aviation enterprise. The role directly supports the successful fielding of robust, reliable, and precise navigation capabilities by providing the hands-on engineering analysis and technical support necessary for the design, integration, and certification of advanced navigation systems. Position Type: Full-Time Salary: $140k - $170k (depending upon experience) Work Location: Full-time onsite. Job Summary: The GPS Navigation Engineer applies systems engineering...

Greenfield Engineering, a Saalex Company is seeking a Performance Based Navigation (PBN) Engineer in Patuxent River, MD to support the development, integration, testing, and fielding of advanced communications and avionics systems across Naval Aviation platforms. Position Type: Full-Time Salary: $140k-$175k annually (depending on experience) Work Location: Full-time onsite Position Overview: The Performance Based Navigation (PBN) Engineer applies systems engineering principles to support the integration of advanced navigation capabilities required for aircraft to operate in modernized civil and military airspace environments worldwide. The incumbent serves as a contributing technical team member, providing Position, Navigation, and Timing (PNT) engineering support across Navy and Marine Corps platforms. The position is responsible for working within a team of engineers to assist in the formulation of technical direction, technical planning, and the development...

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,...

Greenfield Engineering, a Saalex Company is seeking a Communications Engineer in Patuxent River, MD to support the development, integration, testing, and fielding of advanced communications and avionics systems across Naval Aviation platforms. Position Type: Full-Time Salary: $115k-$150k annually (depending on experience) Work Location: Full-time onsite (see onsite requirements below) Position Overview The Core Avionics Engineering Division is seeking an experienced Communications Engineer with expertise in developing and integrating communications and datalink systems into military aviation platforms. This role supports multiple PMA programs, contributing to the development, sustainment, and integration of RF communications, SATCOM, and datalink systems across their lifecycle. Essential Functions: Support analysis, integration, test, and design of communications systems across naval aviation platforms Contribute to development and fielding of survival...

Greenfield Engineering, a Saalex Company is seeking a Senior Communications Engineer in Patuxent River, MD to support the development, integration, testing, and fielding of advanced communications and avionics systems across Naval Aviation platforms. Position Type: Full-Time Salary: $130k-$170k annually (depending on experience) Work Location: Full-time onsite (see onsite requirements below) Position Overview The Core Avionics Engineering Division is seeking an experienced Senior Communications Engineer with expertise in developing and integrating communications and datalink systems into military aviation platforms. This role supports multiple PMA programs, contributing to the development, sustainment, and integration of RF communications, SATCOM, and datalink systems across their lifecycle. Essential Functions: Support analysis, integration, test, and design of communications systems across naval aviation platforms Contribute to development and fielding...

Greenfield Engineering, a Saalex Company is seeking a Journeyman Systems Administrator in Patuxent River, MD to support the Core Avionics Engineering Division (CAED) within NAWCAD. This role supports the Avionics Engineering Department and Mission Systems Group labs, ensuring secure, reliable operation of lab environments and maintaining Authorization to Operate (ATO) compliance. Position Type: Full-Time Salary: $90k-$135k annually (depending on experience) Work Location: Full-time onsite (see onsite requirements below) **On-site Requirements: This position is not eligible for reoccurring telework, and will require an onsite presence at Patuxent River NAS for greater than or equal to 90% of the work week. Position Overview The Systems Administrator will support lab infrastructure, cybersecurity, and system integration efforts across physical and virtual environments. This role plays a key part in maintaining secure lab operations, supporting test environments,...