Principal Systems Engineer/SME Leidos Holdings IncPrincipal Systems Engineer/SMEFort Meade, MD$154,050–$278,475 / yearJob Summary The Principal Systems Engineer serves as a senior technical authority leading the design, integration, testing, deployment, training, and sustainment of packet-based hardware and software systems utilizing Commercial Off-The-Shelf (COTS) and Government Off-The-Shelf (GOTS) products. The program supports a complex and evolving mission where experienced cleared professionals work side-by-side with the customer to architect, integrate, modernize, and optimize systems that directly drive operational outcomes.
Application Engineer - Data Center, Hyperscale Systems Design Eaton Corporation PlcApplication Engineer - Data Center, Hyperscale Systems DesignHanover, MDRemote$167,250–$245,300 / yearThis position is responsible for working with hyperscale principal design, product and reliability engineering teams to develop Eaton solutions for current and future data center distribution systems needs, medium voltage to rack level power. Experience in working with products and applications such as three-phase UPS systems, power distribution units, static transfer switches, remote power panels, power monitoring products (including metering and software), and power control products.
Infrastructure Systems Engineer, Sr Antero Technology ServicesInfrastructure Systems Engineer, SrAnnapolis Junction, MarylandEngineer, design, implement, test, and maintain full life-cycle management of complex solutions deployed in our enterprise environment including: Cloud, Virtualization, Server, Storage, Network, Endpoints and Directory Services. Antero Technology Services is looking for a proactive person with a TS/SCI clearance to join our Enterprise Infrastructure Engineering Team.
Infrastructure Systems Engineer Antero Technology ServicesInfrastructure Systems EngineerAnnapolis Junction, MarylandEngineer, design, implement, test, and maintain full life-cycle management of complex solutions deployed in our enterprise environment including: Cloud, Virtualization, Server, Storage, Network, Endpoints and Directory Services. Antero Technology Services is looking for a proactive person with a TS/SCI clearance to join our Enterprise Infrastructure Engineering Team.
NewSystems Engineer II Old Dominion Freight Line IncSystems Engineer IICurtis Bay, MD$78,025–$97,532 / yearOld Dominion plans to screen candidates, conduct interviews, and proceed with hiring candidates to meet its business needs, which may result in filling the role before the current anticipated application window closes. Actual compensation may vary based on factors such as geographic location, work experience, market conditions, education/training, skill level, and state/local wage requirements.
Systems Engineer 3 (EAI - 115) SageCor SolutionsSystems Engineer 3 (EAI - 115)Fort Meade, MarylandServing Maryland and the Greater Washington D.C. area, SageCor Solutions (SageCor) is a growing company bringing complete engineering services and true full lifecycle System Engineering services to areas requiring (or desiring) nationally-recognized expertise in high performance computing, large data analytics and cutting edge information technologies. Bachelor’s degree or advanced degree in computer science, information systems, engineering or other related discipline plus at least 6 years of systems engineering experience.
NewSystems Engineer 3 Avid Technology Professionals LLCSystems Engineer 3Annapolis Junction, MDPart of a team that designs, implements, and maintains DevOps resources for multiple product teams and enables teams to automate build and deployment where possible. The System Engineer will be responsible for: Developing Infrastructure As Code and scripting to automate tasks, provision managed services, and build tools.
Principal Systems Test Engineer (Remote) RTX CorpPrincipal Systems Test Engineer (Remote)Fulton, MDRemoteSolipsys Corporation is a wholly owned subsidiary of Collins Aerospace/RTX and is an industry leader in the development of command-and-control software systems and operates in a dynamic, complex, fast-paced business environment with both commercial and Government customers, including a mix of domestic and international pursuits and programs. Regardless of your role type, collaboration and innovation are critical to our business and all employees will have access to digital tools so they can work with colleagues around the world - and access to Collins sites when their work requires in-person meetings.
Delinea Systems Engineer GIGATEC EngineeringDelinea Systems EngineerAnnapolis Junction, MDFull timeExperience performing basic System Administration including installation, configuration, and support of COTS/GOTS/FOSS software in a large-scale Linux environment. Lead the planning, deployment, and documentation of Delinea (Centrify) privileged access and secrets management solutions across enterprise Linux environments.
Software Engineer (AI/Agentic Systems) Staffed4USoftware Engineer (AI/Agentic Systems)Columbia, MarylandThis role focuses on building and maintaining an agentic platform that integrates diverse data sources, external APIs, and modern tooling to support scalable, interoperable capabilities. The selected candidate will support the development of advanced, AI-driven software systems designed to enable intelligent, autonomous workflows.
NewSpace RADAR Data Processing - Staff Engineer Systems Northrop Grumman CorpSpace RADAR Data Processing - Staff Engineer Systemslinthicum, MD$163,200–$244,800 / yearThe above salary range represents a general guideline; however, Northrop Grumman considers a number of factors when determining base salary offers such as the scope and responsibilities of the position and the candidate''s experience, education, skills and current market conditions. Our pioneering and inventive spirit has enabled us to be at the forefront of many technological advancements in our nation''s history - from the first flight across the Atlantic Ocean, to stealth bombers, to landing on the moon.
Secure Systems Research and Development Engineer Pennsylvania State UniversitySecure Systems Research and Development EngineerAnnapolis Junction, MD$110,520–$240,960 / yearNotice regarding employment at the Applied Research Laboratory (ARL): Employees must be eligible to obtain a government security clearance, participate in the ARL drug testing program, and comply with electronic and physical monitoring requirements applicable to federal contractors. Additional responsibilities for higher level position includes: Understand broad strategic objectives and contribute to them; nurture and maintain relationships with major customers/grantors of external research and development grant funding.
Software Engineer-Multiple Levels (DT-0/1/2) Legato CorporationSoftware Engineer-Multiple Levels (DT-0/1/2)Annapolis Junction, MD$170,000–$230,000 / yearOur minimum requirements for this role: Experience with C++, Java and Linux Proficiency working in Linux development environments Proficiency coding in Python, C++, Java, or JavaScript Experience with the following: Git, GitLab, IDEs (e.g., VSCode, Eclipse, etc…) Agile framework experience (Scrum, etc.) Desired experience with Software-Defined Radio (SDR) programming, geospatial processing, coding 2D and 3D image displays, GitLab, GitHub, or similar version control tools, Jira/Confluence or similar project management tools At least seven (7) years' experience as a software engineer A bachelors degree in a related field. Legato, LLC recruiters (Staffing@legatocorp.com) would love to speak with you regarding the following position: Multiple Levels-Software Engineer in Annapolis Junction, MD.Security Clearance Required: TS/SCI w/ PolygraphSalary Range: $170,000-$230,000, depending on experience.
Systems Engineer 2 Amentum Services IncSystems Engineer 2Fort Meade, MDMinimum Education: Bachelor''s degree in System Engineering, Computer Science, Information Systems, Engineering Science, Engineering Management, or a related discipline from an accredited college or university is required. As appropriate, each employee is responsible for completing all training requirements and fulfilling all self-aid/buddy aid responsibilities, participating in emergency response tasks and serving on safety committees and teams.
Model-Based Systems Engineer BAE Systems PlcModel-Based Systems EngineerRockville, MDfor description visit the url https://jobs.baesystems.com/global/en/job/BAE1US127009BREXTERNAL/Model-Based-Systems-Engineer .
Systems Engineer - Data Requirement Focus BAE Systems PlcSystems Engineer - Data Requirement FocusRockville, MDfor description visit the url https://jobs.baesystems.com/global/en/job/BAE1US126127BREXTERNAL/Systems-Engineer---Data-Requirement-Focus .
Systems Engineer Verification and Validation BAE Systems PlcSystems Engineer Verification and ValidationRockville, MDfor description visit the url https://jobs.baesystems.com/global/en/job/BAE1US123307BREXTERNAL/Systems-Engineer-Verification-and-Validation .
Model Based Systems Engineer BAE Systems PlcModel Based Systems EngineerRockville, MDfor description visit the url https://jobs.baesystems.com/global/en/job/BAE1US125495BREXTERNAL/Model-Based-Systems-Engineer .
NewSenior V&V Systems Engineer BAE Systems PlcSenior V&V Systems EngineerRockville, MDfor description visit the url https://jobs.baesystems.com/global/en/job/BAE1US128555BREXTERNAL/Senior-V&V-Systems-Engineer .
Senior Systems Engineer (Customer Focus) BAE Systems PlcSenior Systems Engineer (Customer Focus)Rockville, MDfor description visit the url https://jobs.baesystems.com/global/en/job/BAE1US125824BREXTERNAL/Senior-Systems-Engineer-(Customer-Focus ).
Senior Systems Engineer (Electrical Focus) BAE Systems PlcSenior Systems Engineer (Electrical Focus)Rockville, MDfor description visit the url https://jobs.baesystems.com/global/en/job/BAE1US125825BREXTERNAL/Senior-Systems-Engineer-(Electrical-Focus ).
Space Assembly Integration and Test (AI&T) IPT Lead - Staff Engineer Systems Northrop Grumman CorpSpace Assembly Integration and Test (AI&T) IPT Lead - Staff Engineer SystemsBaltimore, MD$169,000–$253,600 / yearThe above salary range represents a general guideline; however, Northrop Grumman considers a number of factors when determining base salary offers such as the scope and responsibilities of the position and the candidate''s experience, education, skills and current market conditions. Northrop Grumman Space Systems is a strategic partner specializing in delivering intelligence, surveillance, and reconnaissance solutions for classified and unclassified missions in space.
Space Assembly Integration and Test (AI&T) Payload IPT Lead - Staff Engineer Systems Northrop Grumman CorpSpace Assembly Integration and Test (AI&T) Payload IPT Lead - Staff Engineer SystemsBaltimore, MD$169,000–$253,600 / yearThe above salary range represents a general guideline; however, Northrop Grumman considers a number of factors when determining base salary offers such as the scope and responsibilities of the position and the candidate''s experience, education, skills and current market conditions. Northrop Grumman Space Systems is a strategic partner specializing in delivering intelligence, surveillance, and reconnaissance solutions for classified and unclassified missions in space.
NewSenior System Deployment Engineer Power3 SolutionsSenior System Deployment EngineerColumbia, MarylandThe signal processing and hardware focused sectors of Geon are supported by the work Geon conducts with open architectures, open frameworks, and open systems that facilitate the rapid development, integration, and deployment of techniques and capabilities to operational contexts. We are looking for fully-cleared individuals that have an ambition to leverage their proven experience in building high performance processing systems and solutions to architect, develop, productize and deploy a whole new breed of open-sensor framework based on the industries leading solutions.
Senior Systems Engineer ClearEdgeSenior Systems EngineerAnnapolis Junction, MDCheck out our extremely competitive benefits package at clearedgeit.com/benefits which includes a 10k annual training/education benefit, tech bonuses, and state of the art technology lab. The position calls for leadership of the overall technical integrity, quality, and completeness of work performed as well as support to project planning assessment, control, and risk management of overall program.
Software Engineer 3 - (C++, Python, Bash) AkinaSoftware Engineer 3 - (C++, Python, Bash)MarylandThe Software Engineer develops, maintains, and enhances complex and diverse software systems (e.g., processing-intensive analytics, novel algorithm development, manipulation of extremely large data sets, real-time systems, and business management information systems) based upon documented requirements. Design or implement complex algorithms requiring adherence to strict timing, system resource, or interface constraints; perform quality control on team products.
Lead Systems Engineer The MITRE CorporationLead Systems EngineerAberdeen, MD$146,400–$183,000 / yearMITRE Technology and Engineering's Systems Engineering Division delivers innovative, multidisciplinary systems engineering solutions that address complex national security challenges and advance mission outcomes for sponsors across the federal government. Collaborate across the Systems Engineering Division and MITRE technical community to integrate expertise in systems engineering, digital engineering, communications, modeling and simulation, data analytics, and operational analysis.
Senior C++/Python Software Engineer - Clearance Required Lockheed Martin CorporationSenior C++/Python Software Engineer - Clearance RequiredHanover, MD$150,800–$265,880 / yearPay Rate: The annual base salary range for this position in California, Massachusetts, and New York (excluding most major metropolitan areas), Colorado, Hawaii, Illinois, Maryland, Minnesota, New Jersey, Vermont, Washington or Washington DC is $150,800 - $265,880. Basic Qualifications: Bachelor's degree in Computer Science or related discipline from an accredited college or university or Four (4) years of additional software engineering experience may be substituted for a bachelor's degree.
Information Systems Security Engineer ( ISSE) CACI International IncInformation Systems Security Engineer ( ISSE)Columbia, MD$120,800–$265,800 / yearPay Range: There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications. Qualifications: Required: Twelve (12) years' experience as an ISSE on programs and contracts of similar scope, type, and complexity to include recent experience within the last five (5) years with Cybersecurity principles and technology, including: Access/control.
Systems Test Engineer Apogee Engineering, LLCSystems Test EngineerFort Meade, Maryland$130,000–$143,500 / yearFull timeAs the lead NC3 Systems Engineering and Integration (SE&I) arm of the NC3 Enterprise Center, the division applies and remains up to date on systems engineering best practices and translates mission and operational requirements into appropriate technical specifications and solutions. Using proprietary software, conduct tests to determine performance of NC3 communication systems, including secure and non-secure voice, data, and video communications services for classified and unclassified environments.
Mid‑Level Systems Integration Engineer (Linux, Unix, C) IDS InternationalMid‑Level Systems Integration Engineer (Linux, Unix, C)Annapolis Junction, MD$110,000–$130,000 / yearBachelor’s degree with five (5) years of relevant experience, or Master’s degree with three (3) years, or Associate’s degree with seven (7) years, or high school diploma/GED with nine (9) years of relevant experience• Degree in Network Engineering, Systems Engineering, Information Technology, or related field• Strong experience with Linux systems• Experience in systems administration, network administration, application administration, or IT support• Experience supporting hardware installation such as servers or network infrastructure• Experience configuring storage solutions such as network‑attached storage• Experience implementing security best practices including PKI certificate generation, deployment, and maintenance• Knowledge of Unix shell scripting languages such as Bash, Bourne, or C• Must possess an IAT‑I certification (e.g., Security+ CE)• Relevant experience must include computer or information systems design or development, programming, information or cyber security, network security, vulnerability analysis, computer forensics, information assurance, or systems engineering• Experience in network or system administration• Active TS/SCI with Polygraph. Combining operational expertise with an intimate understanding of today’s greatest challenges, we bring our customers the solutions required for success in a complex and multidimensional world.
Senior Systems Engineer (Mobile Workflows) The Josef GroupSenior Systems Engineer (Mobile Workflows)Annapolis Junction, MarylandWorking in a fast-paced environment, you'll tackle challenging problems that require creative solutions to automate mobile workflows and reduce operational complexity. This position combines hands-on development with strategic thinking, making you a key contributor to our mission-focused mobile technology initiatives that deliver real-world impact.
Sr. Staff Systems Integration & Test Engineer Lead Northrop Grumman CorpSr. Staff Systems Integration & Test Engineer LeadBaltimore, MD$184,100–$276,100 / yearPreferred Qualifications: Candidates should have a very strong knowledge of Engineering, Manufacturing, and Development (EMD) and production system hardware follow and integration, understanding of requirements, have a strong mechanical background and strong earned value management (EVM) experience. Candidates should have a very strong knowledge of production and system hardware follow, understanding of requirements, have a strong mechanical background, understand mode and systems integration, and strong earned value management (EVM) experience.
Staff Systems Integration & Test Engineer Lead Northrop Grumman CorpStaff Systems Integration & Test Engineer LeadBaltimore, MD$169,000–$253,600 / yearNorthrop Grumman Mission Systems'' Baltimore and Partnered Sites (BaPs) division is seeking a Staff Systems Integration & Test (SI&T) Engineer Lead in Baltimore, MD to support the Airborne Multifunction Sensors Business Unit. Preferred Qualifications: Candidates should have a very strong knowledge of Engineering, Manufacturing, and Development (EMD) and production system hardware follow and integration, understanding of requirements, have a strong mechanical background and strong earned value management (EVM) experience.
System Engineer, Level 2 AvaloreSystem Engineer, Level 2Annapolis Junction, MarylandResponsibility for the technical integrity, quality, and completeness of work performed and deliverables associated with one or more of the 25 process areas defined by ISO/IEC15288: Technical Process Area - Stakeholder Requirements Definition, Requirements Analysis, Architectural Design, Implementation, Integration, Verification, Transition, Validation, Operation, Maintenance, and Disposal; Project Process Area - Project Planning, Project Assessment and Control, Decision Management, Risk Management, Configuration Management, Information Management, and Measurement; Enterprise (Organizational Project-Enabling) Process Area - Project Portfolio Management, Infrastructure Management, Lifecycle Model Management, Human Resource Management, and Quality Management; •(U) Agreement Process Area - Acquisition and Supply. A Master’s degree in a Qualified Engineering Field (See Note 1) or a related discipline (See Note 2) from an accredited college or university may be substituted for one (1) year of systems engineering experience OR .
Senior Software Test Development Engineer VTGSenior Software Test Development EngineerFort Meade, MarylandFull timeOverview: This position will support a mission-focused customer throughout the full life cycle of a Radio Frequency Processing System, including system design, integration, testing, installation, troubleshooting, operations, and sustainment. Bachelor’s degree in Systems Engineering, Electrical Engineering, Computer Engineering, Computer Science, or a related technical discipline.
Mid-Level Systems Integration Engineer - TS/SCI w/Poly MKS2 TechnologiesMid-Level Systems Integration Engineer - TS/SCI w/PolyAnnapolis JunctionMKS2 Technologies, LLC, an award-winning high growth small business, creates innovative and customer-centric technology solutions in the areas of Cyber Security, Instructional Design and Training, Software Engineering and IT Support Services to improve the security and well-being of our clients. Bachelor's degree plus 5-years of relevant experience, or Master’s degree plus 3-years of relevant experience, or an Associate's degree plus 7-years of relevant experience or high school diploma/GED plus 9-years of relevant experience may be considered.
Information Systems Security Engineer (ISSE) WILLCORInformation Systems Security Engineer (ISSE)MarylandWe are seeking a highly skilled Information Systems Security Engineer (ISSE) to support cybersecurity assessments and Risk Management Framework (RMF) evaluations for both classified and unclassified networks. The ideal candidate will have a strong background in network security, cryptography, and cloud computing and possess the ability to conduct in-depth security reviews, develop countermeasures, and create technical security documentation.
Systems Engineer 6 (EAI - 124) SageCor SolutionsSystems Engineer 6 (EAI - 124)Fort Meade, MarylandServing Maryland and the Greater Washington D.C. area, SageCor Solutions (SageCor) is a growing company bringing complete engineering services and true full lifecycle System Engineering services to areas requiring (or desiring) nationally-recognized expertise in high performance computing, large data analytics and cutting edge information technologies. Individual Capabilities/Experience Required: A Bachelor’s degree in computer science, information systems, engineering or other related discipline and at least 20 years of systems engineering experience.
Systems Engineer 3 (AWF - 021) SageCor SolutionsSystems Engineer 3 (AWF - 021)Annapolis Junction, MarylandServing Maryland and the Greater Washington D.C. area, SageCor Solutions (SageCor) is a growing company bringing complete engineering services and true full lifecycle System Engineering services to areas requiring (or desiring) nationally-recognized expertise in high performance computing, large data analytics and cutting edge information technologies. Ultimate responsibility for the technical integrity of work performed and deliverables associated with the Systems Engineering area of responsibility.
Senior Systems Test Engineer (ONSITE) RTXSenior Systems Test Engineer (ONSITE)MarylandPerform full life cycle systems engineering tasks including system requirements analysis, definition, architecture design, trade studies, integration, verification and validation (V&V), formal testing, and software installation. Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and minimum 5 years prior relevant experience or an Advanced Degree in a related field and minimum 3 years of experience.
Systems Engineer (AI) (Senior) - FULLY CLEARED with POLYGRAPH REQUIRED Constellation TechnologiesSystems Engineer (AI) (Senior) - FULLY CLEARED with POLYGRAPH REQUIREDFort Meade, MarylandThe benefits package: • Affordable healthcare options with 80% employer paid premium PLUS a company-funded HSA • Comprehensive Dental insurance • Vision with 80% employer paid premium • Employer paid Life insurance 100% • Employer paid Short-term and Long-term disability 100% • Annual training, continued education, and professional memberships reimbursement • Unlimited access to Red Hat Enterprise Linux and AWS training and accreditation • Annual reimbursement for technology i.e. phones, computers, printers, etc. JAVA, Python, JavaScript, Jupyter Notebooks, GHOSTMACHINE, data visualization platforms, generative AI, LLM, RAG, Neo4j, AWS (Lambda, EC2, ECS/EKS, SAGEMAKER, S3, RDS, OpenSearch) Due to federal contract requirements, United States citizenship and an active TS/SCI security clearance and polygraph are required for the position.
Systems Engineer (AI) - FULLY CLEARED with POLYGRAPH REQUIRED Constellation TechnologiesSystems Engineer (AI) - FULLY CLEARED with POLYGRAPH REQUIREDFort Meade, MarylandThe benefits package: • Affordable healthcare options with 80% employer paid premium PLUS a company-funded HSA • Comprehensive Dental insurance • Vision with 80% employer paid premium • Employer paid Life insurance 100% • Employer paid Short-term and Long-term disability 100% • Annual training, continued education, and professional memberships reimbursement • Unlimited access to Red Hat Enterprise Linux and AWS training and accreditation • Annual reimbursement for technology i.e. phones, computers, printers, etc. JAVA, Python, JavaScript, Jupyter Notebooks, GHOSTMACHINE, data visualization platforms, generative AI, LLM, RAG, Neo4j, AWS (Lambda, EC2, ECS/EKS, SAGEMAKER, S3, RDS, OpenSearch) Due to federal contract requirements, United States citizenship and an active TS/SCI security clearance and polygraph are required for the position.
System Engineer BytoaSystem EngineerMarylandThis is an exciting opportunity to work with a talented team, interface with stakeholders, and make a significant impact on high-priority projects. In this role, you will be actively involved in the entire lifecycle of complex systems, from initial design and integration to deployment and maintenance.
ME00580-Data/Systems Engineer Momentum Engineering OpeningsME00580-Data/Systems EngineerAnnapolis JunctionThe engineer provides technical direction across the full systems engineering lifecycle, ensuring solutions align with legal, policy, and compliance directives while supporting evolving mission data requirements. This role combines systems engineering, data engineering, and compliance expertise to enable reliable data ingestion, transformation, and routing across enterprise platforms.
NewJr Software Engineer Twenty80 LLCJr Software EngineerColumbia, MDIf you're passionate about understanding how software works at a low level, uncovering security flaws, and building impactful technical solutions, this opportunity offers the chance to work on challenging, mission-focused projects. Proven experience in vulnerability research, including identifying zero-day vulnerabilities, logic flaws, memory corruption issues, and other security weaknesses.
Systems Test Engineer Leidos Holdings IncSystems Test EngineerOdenton, MD$92,300–$166,850 / yearUnder the leadership of the Commander, U.S. Strategic Command (USSTRATCOM), the team leverages subject matter expertise and best practices to transform mission and operational requirements into effective solutions and capabilities. Engineer Automated Solutions - Design, develop, and integrate automated testing capabilities, methodologies, and analysis tools (GOTS/COTS) to enable continuous end-to-end assessment of system performance and security.
Information Systems Security Engineer ( ISSE) CACIInformation Systems Security Engineer ( ISSE)Columbia, MarylandPay Range : There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications. Participate as a security engineering representative on engineering teams for the design, development, implementation and/or integration of secure networking, computing, and enclave environments.
NewEngineer I, Systems Meso Scale DiscoveryEngineer I, SystemsGaithersburg, MD$67,900–$101,000 / yearPOSITION SUMMARY: The Systems Engineer I is responsible for assisting in the development and management of requirements and specifications, system integration and testing of electromechanical, fluidic, thermal control, and imaging systems, and formal verification and validation testing. This salary range represents a general guideline as MSD considers other factors when presenting an offer of employment, such as scope and responsibilities of the position, external market factors, and the candidate's knowledge, skills, abilities, education and experience.
Mid-Level Systems Engineer Lentech Inc.Mid-Level Systems EngineerAnnapolis Junction, MD$131,000–$140,000 / yearResponsibility for the technical integrity, quality, and completeness of work performed and deliverables associated with one or more of the 25 process areas defined by ISO/IEC15288: Technical Process Area- Stakeholder Requirements Definition, Requirements Analysis, Architectural Design, Implementation, Integration, Verification, Transition, Validation, Operation, Maintenance, and Disposal. Pay Range: There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications.