Greenfield Engineering

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 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 Junior Software Developer in Patuxent River, MD to support mission-critical DoD programs through the design, development, testing, and maintenance of software solutions. The ideal candidate will bring a strong foundation in computer science, hands-on development experience, and familiarity with real-time systems to contribute to secure, scalable applications in a collaborative environment. Position Type: Full-Time Salary: $75k-$85k annually (depending on experience) Work Location: Onsite. Essential Functions: Design, develop, test, and maintain software applications using modern programming practices Write clean, efficient, and well-documented code in C/C++ and other object-oriented languages Debug, troubleshoot, and resolve software defects to ensure system reliability and performance Collaborate with cross-functional teams to gather requirements and implement technical solutions Support system enhancements...

Greenfield Engineering, a Saalex Company is seeking an Acquisition Program Analyst in Lexington Park, MD to support acquisition, financial, and program management activities for Naval Aviation programs. The selected candidate will work closely with Integrated Product Teams (IPTs), Budget Financial Managers (BFMs), Contracts personnel, and program leadership to support planning, budgeting, requirements management, acquisition execution, and program oversight efforts. Position Type: Full-time Salary: $80k-$110k (depending upon experience) Work Location: Onsite. Essential Functions: Support financial and requirements planning activities across acquisition and RDT&E funding portfolios. Assist with program execution monitoring and requirements tracking across current and future fiscal years. Monitor program requirements and identify potential funding shortfalls, schedule impacts, and execution risks. Maintain and update AMS CSPT inputs and baseline requirements...

Greenfield Engineering a Saalex Company is seeking a Senior Acquisition Program Analyst in Lexington Park, MD to provide strategic acquisition, requirements, and financial management support to Naval Aviation programs. The selected candidate will support Integrated Product Teams (IPTs) in planning, budgeting, requirements management, acquisition execution, and program oversight activities. This role serves as a key advisor to program leadership, providing analysis and recommendations to support successful execution of multi-million-dollar acquisition portfolios. Position Type: Full-Time Salary: $115k-$150k annually (depending upon experience) Work Location: Onsite Essential Functions: Lead financial and requirements planning efforts supporting Integrated Product Teams across APN-5 and RDT&E appropriations. Provide strategic planning, budget formulation, execution monitoring, and Future Years Defense Program (FYDP) analysis. Manage program requirements 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 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 Avionics Navigation Systems Engineer in Lexington Park, MD. The selected candidate will provide engineering support for the integration, testing, certification, and sustainment of advanced aircraft navigation capabilities across Navy and Marine Corps aircraft platforms. This role supports Performance Based Navigation (PBN), Global Navigation Satellite Systems (GNSS), Flight Management Systems (FMS), Area Navigation (RNAV), Required Navigation Performance (RNP), and emerging navigation technologies that enable military aircraft to operate safely and effectively within modernized civil and military airspace environments. This position directly contributes to mission effectiveness, safety of flight, and operational readiness by supporting the successful integration and fielding of next-generation navigation systems. Position Type: Full-Time Salary: $140k-$175k annually (depending on experience) Work Location: Full-time...

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 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 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 NATOPS Support Specialist in Lexington Park, MD to provide engineering, publication, discrepancy-tracking, and program coordination support to the Presidential Helicopters Program (PMA-274) Assistant Program Manager Systems Engineering team. This position supports the management and maintenance of Naval Air Training and Operating Procedures Standardization (NATOPS) and Naval Air Technical Information Product (NATIP) publications, coordinates technical meetings, tracks engineering discrepancies, prepares formal documentation, and communicates program status. Position Type: Full-Time Salary: $175k-$225k annually (depending on experience) Work Location: Onsite Essential Functions: Manage documents, action lists, and publication records supporting VH NATOPS and NATIP publications. Coordinate and support NATOPS conferences with fleet personnel. Support AIRS submissions and the incorporation of approved updates...

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 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 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...