Greenfield Engineering

Greenfield Engineering, a Saalex Company is seeking PNT/GPS Engineer in Lexington Park, MD to support the Mission Systems Group and related military avionics programs. The ideal candidate will have extensive hands-on experience with avionics navigation and communication systems, a strong background in global positioning systems, inertial navigation and flight planning. 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 development, integration, testing, and fielding of advanced navigation. 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...

Greenfield Engineering, a Saalex Company is seeking Data Integrity Engineer (Avionics Software & Data Analysis) in Patuxent River, MD. The Data Integrity Engineer supports the analysis of avionics software and data systems associated with navigation and airspace integration capabilities. The incumbent independently performs technical analysis of system behavior, data integrity, and software performance while supporting certification and engineering activities across Navy, Marine Corps, Coast Guard, and Foreign Military Sales (FMS) aviation platforms. The role contributes to engineering assessments, technical documentation, and verification activities supporting Performance Based Navigation (PBN) and CNS/ATM capabilities , working within Integrated Product Teams (IPTs) under general guidance from senior engineers. Position Type: Full-Time Salary: $100k-$135k annually (depending on experience) Work Location: Full-time onsite with some telework (see onsite...

Greenfield Engineering, a Saalex Company is seeking a Mission Planning Engineer in Patuxent River, MD. The Mission Planning Engineer supports the integration, certification, sustainment, and operational use of mission planning systems across Naval Aviation platforms. Collaborates with engineering teams, program offices, and fleet operators to ensure systems are effectively integrated, maintained, and operationally reliable. Ensures mission planning capabilities meet fleet needs, enabling safe, efficient mission execution and timely resolution of system issues through coordinated engineering support. Position Type: Full-Time Salary: $100k-$145k annually (depending on experience) Work Location: Hybrid remote/in-office. (see onsite requirements below) **On-site Requirements: This position requires the ability to work onsite at Patuxent River, MD 60%+ of the time. Essential Functions: Mission Planning Systems Engineering Support integration, sustainment,...

Greenfield Engineering, a Saalex Company is seeking a Junior Mission Planning Engineer in Patuxent River, MD. The Junior Mission Planning Engineer supports the integration, sustainment, and operational use of mission planning systems across Naval Aviation platforms. Working under the guidance of senior engineers and program teams, the incumbent assists with software integration, testing, and operational support activities to ensure mission planning capabilities meet fleet requirements. Position Type: Full-Time Salary: $65k-$95k annually (depending on experience) Work Location: Hybrid remote/in-office. (see onsite requirements below) **On-site Requirements: This position requires the ability to work onsite at Patuxent River, MD 60%+ of the time. Essential Functions: Mission Planning Systems Engineering Assist with integration, sustainment, and testing of mission planning systems across multiple platforms Support lifecycle activities from development...

Greenfield Engineering, a Saalex Company is seeking a Senior Mission Planning Engineer in Patuxent River, MD. The Senior Mission Planning Engineer leads the integration, certification, sustainment, and operational support of mission planning systems across Naval Aviation platforms. The incumbent serves as a technical authority, providing guidance on system integration, software evaluation, certification efforts, and mission planning operations to ensure safe and effective mission execution. Position Type: Full-Time Salary: $150-$175k annually (depending on experience) Work Location: Hybrid remote/in-office. (see onsite requirements below) **On-site Requirements: This position requires the ability to work onsite at Patuxent River, MD 60%+ of the time. Essential Functions: Mission Planning Systems Engineering Leadership Lead integration, sustainment, and evaluation of mission planning systems across multiple platforms Oversee lifecycle support from...

Greenfield Engineering, a Saalex Company is seeking a Surveillance Systems Lead Engineer in Patuxent River, MD. The Surveillance Systems Lead Engineer s erves as the lead engineer and technical authority for airborne surveillance systems, overseeing integration, certification, and compliance across Naval Aviation platforms. Leads engineering efforts to ensure systems are safe, interoperable, and compliant with evolving airspace requirements while proactively managing certification risks. Position Type: Full-Time Salary: $150k-$180k annually (depending on experience) Work Location: Hybrid remote/in-office. (see onsite requirements below) **On-site Requirements: This position requires the ability to work onsite at Patuxent River, MD 60%+ of the time. Essential Functions: Technical Leadership Serve as branch technical authority for airborne surveillance systems Establish engineering processes, standards, and best practices Provide oversight and technical...

Greenfield Engineering, a Saalex Company is seeking a Surveillance Systems Engineer in Patuxent River, MD. The Surveillance Systems Engineer supports the integration, certification, and evaluation of airborne surveillance systems across Naval Aviation platforms. The incumbent independently contributes to engineering analysis, certification efforts, and systems integration activities, ensuring surveillance systems meet operational and regulatory requirements. Position Type: Full-Time Salary: $110k-$150k annually (depending on experience) Work Location: Hybrid remote/in-office. (see onsite requirements below) **On-site Requirements: This position requires the ability to work onsite at Patuxent River, MD 60%+ of the time. Essential Functions: Surveillance Systems Engineering Analyze and support integration of airborne surveillance systems, including: ADS‑B (Out/In) Mode S transponders TCAS / ACAS systems Evaluate system architectures, interfaces, and...

Greenfield Engineering, a Saalex Company is seeking a Junior S urveillance Systems Engineer in Patuxent River, MD. The Junior Surveillance Systems Engineer supports the integration, testing, and evaluation of airborne surveillance systems across Naval Aviation platforms. Working under the guidance of senior engineers, the incumbent assists with engineering analysis, certification support activities, and technical documentation related to surveillance technologies such as ADS‑B, Mode S, and traffic alert and collision avoidance systems. Position Type: Full-Time Salary: $65k-$95k annually (depending on experience) Work Location: Hybrid remote/in-office. (see onsite requirements below) **On-site Requirements: This position requires the ability to work onsite at Patuxent River, MD 60%+ of the time. Essential Functions: Surveillance Systems Support Assist in the evaluation and integration of airborne surveillance systems, including: ADS‑B (Out/In) Mode S...

Greenfield Engineering, a Saalex Company is seeking a Senior Data Integrity Engineer (Avionics Software & Data Analysis) in Patuxent River, MD. The Senior Data Integrity Engineer leads the analysis of avionics software and data systems supporting navigation and airspace integration capabilities. The incumbent is responsible for independently assessing system behavior, data integrity, and software performance, while providing technical leadership in certification efforts, systems engineering activities, and engineering documentation across multiple aviation platforms Position Type: Full-Time Salary: $140k-$175k annually (depending on experience) Work Location: Full-time onsite with some telework (see onsite requirements below) **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 work greater than or equal to 85% of the work week" Essential Functions: Software...

Greenfield Engineering, a Saalex Company is seeking a Junior Data Integrity Engineer (Avionics Software & Data Analysis) in Patuxent River, MD. The Junior Data Integrity Engineer supports the analysis of avionics software and data systems associated with navigation and airspace integration capabilities. Working under close supervision, the incumbent assists in evaluating system behavior, data integrity, and software performance while developing foundational skills in systems engineering, certification support, and technical documentation. Position Type: Full-Time Salary: $65k-$95k annually (depending on experience) Work Location: Full-time onsite with some telework (see onsite requirements below) **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 work greater than or equal to 85% of the work week" Essential Functions: Software and Data Analysis Assist...

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 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 Engineering Technician III in Patuxent River, MD. Saalex Corp., is an Engineering and Information Technology Services company with a focus on Test Range Operations and Management, Engineering and Logistics Services, Data Analytics and Business Intelligence Services and Information Technology Services. Position Type: Full-Time Salary: $28 - $38.22 hourly (depending on experience) Work Location: Onsite. Position Summary: The Engineering Technician III provides mid-level technical support across test, integration, and operational environments, assisting engineers in maintaining, troubleshooting, and improving electronic and mechanical systems. This role supports system lifecycle activities including fabrication, configuration, integration, testing, and sustainment, with a strong emphasis on hands-on technical execution and troubleshooting. This position bridges engineering design and operational execution by...

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 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,...

Greenfield Engineering, a Saalex Company is seeking an Engineering Technician II in Lexington Park, MD . Greenfield Engineering provides critical support to Department of Defense customers through engineering, test and evaluation, and technical services. We offer a collaborative work environment, competitive compensation, and comprehensive benefits. Position Type: Full-Time Salary: $60k-$80k (depending on experience) Work Location: Onsite. Essential Functions: Fabricate, assemble, and test cable and wire harness assemblies for avionics test benches. Assemble military-style circular connectors and cable assemblies in accordance with engineering drawings, schematics, wire lists, and technical documentation. Read and interpret wiring diagrams, assembly drawings, schematics, and technical manuals to support production and installation activities. Assist engineers with installation, verification, troubleshooting, and maintenance of cable plant systems and test bench...

Greenfield Engineering, a Saalex Company, is seeking a Requirements Management Engineer to support NAVAIR programs in Patuxent River, MD. This position focuses on the capture, analysis, traceability, verification, change management, and maintenance of complex system requirements throughout the acquisition lifecycle. Position Type: Full-Time Salary: $95k-$140k (depending on experience) Work Location: Onsite. Essential Functions: Manage, maintain, and organize requirements within IBM DOORS repositories. Capture, analyze, review, and decompose system, subsystem, and interface requirements. Maintain bidirectional traceability between requirements, design artifacts, verification methods, test procedures, and validation activities. Support requirements change management activities and configuration control processes. Develop and maintain requirements relationships across multiple engineering disciplines and Integrated Product Teams (IPTs). Review requirements quality,...

Greenfield Engineering, a Saalex Company is seeking 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 lab test and development environments. Candidate will support 75 users / 125 computer assets / printers / network connectivity in the building. Position Type: Full-Time Salary: $65k-$85k 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...