671 Results for

Government Contractor Jobs in Oxon Hill, MD

Jobs

New!

Herndon, VA1 day ago

As the Category Manager you will be responsible for managing the IT hardware and software categories to develop and execute enterprise-wide category strategies (end user computing, infrastructure hardware, enterprise software, SaaS, cloud-adjacent licensing, maintenance, support, and related IT services). The ideal candidate has 6 years of category management experience to include working in the IT software and hardware space, is a strategic, analytical and creative thinker who can work in a fast-paced changing environment.

New!

Springfield, VA1 day ago

Responsibilities: Manage monthly, quarterly, and year-end closing processes, ensuring all financial statements and revenue calculations strictly adhere to GAAP and internal policies. Maintain general ledger integrity through accurate balance sheet reconciliations and strategic cash flow analysis (AR to AP) to ensure liquidity.

New!

Springfield, VAToday

$59,150–$106,925

This may include Digital Nautical Chart and or Electronic Nautical Chart Conversion production by performing Cartographic and GIS analyst functions, Extracting features from a variety of sources including but not necessarily limited to rasterized nautical charts, digital hydrographic survey data and ortho-rectified imagery. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com.

Washington DC, DC15 days ago

The contractor will provide the requisite staff and expertise to effectively support the CTPP's unique lines of effort that includes but is not limited to counterterrorism policy development, science and technology program implementation, program evaluation and assessment, and interagency exercise activities. Ability to provide ad hoc and surge support services to support the development, implementation and execution of CTPP related initiatives including: The coordination, development, and implementation of CT programs in support of National Strategies and Presidential Directives.

New!

Reston, VA1 day ago

$92,300–$166,850

If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com. May 13, 2026For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

New!

Woodbridge, VA3 days ago

$405,000–$425,000 Per Year

Our team of 32,000 includes physicians, nurses, residents, fellows, and many other clinical and non-clinical associates working in a variety of settings across our health system, including 10 hospitals and more than 300 community-based locations, the largest home health provider in the region, and highly respected institutes dedicated to research and innovation. MedStar Medical Group Anesthesiology, part of MedStar Health, is the largest employed, Anesthesia group and largest health system in the Maryland and Washington, D.C., region, with 30,000 associates, working at 10 hospitals, hundreds of ambulatory care sites – all together more than 700 access points of care, covering greater than 225 zip codes in 17 counties.

New!

Annapolis, MD3 days ago

$380,000–$425,000 Per Year

New!

Washington, DC2 days ago

$60,000–$85,000 Per Year

Liaising with Litigation Support Services and section data management with respect to uploading, organizing, filtering, reviewing, and transferring or producing documents and electronically stored information. Assisting with research, writing, and related task such as, creating first drafts of documents such as memos, subpoenas, and discovery letters.

New!

Washington, District of Columbia2 days ago

$260,000–$320,000 Per Year

Various other types of leaves of absence; paid sick leave as provided under state and local paid sick leave laws, short-term disability and optional long-term disability, health savings account, health care and dependent care reimbursement accounts, employee and dependent life insurance and supplemental life and AD&D insurance; optional personal insurance policies, adoption assistance, tuition assistance, commuter benefits, and an employee assistance program that includes free counseling sessions. We are looking for a senior account executive to serve as the Health and Benefits GovCon leader for our Washington, D.C. market – owning key Health & Benefits GovCon client relationships, developing benefits strategy, and leading a team to manage clients’ benefits programs.

Washington, DC30+ days ago

Remote

$160,000–$210,000
Full-time

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Woodbridge, VA30+ days ago

The Senior Accountant will play a critical role in maintaining accurate financial records, ensuring compliance with government contracting requirements, overseeing accounting operations, and supporting month-end and year-end close processes. This position will serve as a key resource for Accounts Payable, Accounts Receivable, Payroll, and Treasury functions while collaborating with external CPA firms and internal stakeholders.

Manassas, VA11 days ago

$80,000–$100,000 Per Year

You will be responsible for Government and Sedna property management, secure lab asset property management, sub-contractor government property asset administration, experience and knowledge and conformance to Federal Acquisition Regulation (FAR) / Defense Acquisition Regulations (DFARS) property requirements and packing and shipping of equipment and systems to commercial, industry and Government sites. Prepare property for shipment through commercial carriers or Government channels (pack and crate unclassified and classified property, coordinate shipment pickups with commercial carrier, drop off property at Government shipping drop off site, complete DD 1149 forms, etc.).

Falls Church, VA15 days ago

$100,000–$140,000 Per Year

This Project Manager will oversee large‑scale federal construction projects delivered directly for government and intelligence agencies. This organisation is a nationally recognised construction leader known for delivering technically complex, mission‑critical projects.

Washington, DC30+ days ago

Serve as primary legal counsel on U.S. government contracting matters, with a focus on compliance with Defense Federal Acquisition Regulation Supplement (DFARS), Federal Acquisition Regulation (FAR), and related agency supplements. The Senior Counsel, Government Contracts & Compliance will serve as a legal subject matter expert on U.S. federal government contracting and compliance matters, with a strong emphasis on DFARS, DoD contracting, and regulatory compliance frameworks.

Washington, DC27 days ago

$115,000–$150,000 Per Year

Join a employee owned company who is ranked in the top 100 of the 2021 Engineering News-Record ENRENR 400 list of top contractors nationally, and in the 2021 ENRENR 100 list of top construction management-at-risk firms. This person will be responsible for planning and delivering projects typically ranging from $5-120 million, developing budgets hands-on, and providing leadership to the construction project team.

Washington, DC27 days ago

$115,000–$150,000 Per Year
Full-time

My client is seeking an experienced Professional in the Washington, D.C. area for an employee owned company who is a top 100 ENR FirmClient DetailsThis well-established organization specializes in but not limited to Healthcare, Education, Government, and Historic Preservation. This person will be responsible for planning and delivering projects typically ranging from $5-120 million, developing budgets hands-on, and providing leadership to the construction project team.

New!

Linthicum Heights, MD1 day ago

Full-time

Minimum of 2 years of experience supporting federal agencies in security related programs or topics related to the protection of classified information and government technologies. The Role and Responsibilities:Track government contract milestones, deliverables, and progress schedules to ensure the timely delivery of goods or services.

Washington, District of Columbia27 days ago

Supports all organization initiatives that have government, agency and utility intersection, including: Strategic analysis of larger context; Development of strategy and process (road map) for all BID touch points; Collaboration on problem solving and implementation with team members; Assistance in organizing meetings, walks, and interactions related to projects and programs the BID is producing or as a routine matter for building relationships; Organizing strategic engagements with leadership; Tracking and monitoring projects that interface with the government and other agencies. Award-winning public art projects, public spaces activations, environmental conversions of bio-retention landscaping, park design, and visual transformation of the Connecticut Avenue and 19th Street streetscapes have made the Golden Triangle a highly desirable destination for commercial offices, retail, and visitors.

Herndon, Virginia30+ days ago

Suffolk – America’s Contractor – is a national company with more than $8 billion in annual revenue, 3,000 employees, and 17 offices, including Boston (headquarters), New York City, Miami, West Palm Beach, Tampa, Estero, Dallas, Los Angeles, San Francisco, San Diego, Las Vegas, Herndon, U.S. Virgin Islands, and other key markets. Serving as Suffolk’s primary liaison to state and local government leaders, this role partners closely with executive and regional leadership to enhance market access, mitigate political and regulatory risk, and elevate Suffolk’s brand as an industry leader in safety, innovation, and project delivery.

Washington, Washington, DC19 days ago

$132,368–$167,538.16 Per Year

Since 2007, ZemiTek has provided technical assistance, project management, information technology (IT), knowledge management, monitoring and evaluation, training and learning development, and institutional support services. Starting Salary Range: $132,368 - $167,538.16 a year with the starting salary determined based on candidate’s knowledge, skills, experience, and education, in addition to budget availability.

New!

Linthicum Heights, Maryland1 day ago

$21.65–$24 Per Hour

Must possess a Department of Defense (DoD) position appropriate level security clearance (national security eligibility determinations take into account a person's stability, trustworthiness, reliability, discretion, character, honesty, and judgment). Follow site-specific performance manuals and post orders; reporting safety concerns, security breaches, and unusual circumstances via written and oral communication to client and/or other security personnel.

Alexandria, VA30+ days ago

Remote

$110,000–$120,000 Per Year

Agile Response Leadership: Manage multiple concurrent proposals, including rapid-turnaround (72-hour) task order responses and IDIQ environments. You will be responsible for transforming complex technical requirements into compelling, compliant, and winning narratives while establishing the repeatable processes and templates that will drive our firm's future growth.

Herndon, VA30+ days ago

Washington, DC30+ days ago

$43–$52

We offer competitive rates that reflect your specialized expertise, meaningful assignments with federal agencies, and a professional support team that handles administrative details so you can focus on delivering precise, culturally nuanced translations. CLFC Healthcare & Communications connects elite language professionals with high-impact government assignments that make a real difference in international diplomacy and public service.

Herndon, VA30+ days ago

Compliance Assurance and Program Support: Partner with Program Managers, Contract Administrators, and end-users to ensure comprehensive compliance, leading annual Contractor Self-Assessments and assisting with Corporate GP PMSA/audits. + Cross-Functional Collaboration: Serve as the primary point of contact for GP matters, coordinating across all relevant departments including Procurement, Finance, Contracts, Subcontracts, Proposals, and Compliance for the INTEL sector.

Linthicum Heights, MD30+ days ago

AAWDC partners with federal contractors, IT firms, and cybersecurity employers seeking skilled and entry-level professionals. You may be contacted regarding interviews, training, or credential opportunities

New!

Washington DC, Washington, DC6 days ago

$115,000–$150,000 Per Year

Arlington, VA21 days ago

As the CSSO, you will enforce security policy, manage personnel access, maintain SCIF compliance, and synchronize activities with VT-ARC staff, partners, and government sponsors to ensure all program deliverables are met. Virginia Tech Applied Research Corporation: VT-ARC is a 501(c)(3), non-profit R&D organization affiliated with Virginia Polytechnic Institute and State University (Virginia Tech or VT).

Chantilly, Virginia12 days ago

Learn the latest digital engineering tools and concepts, like Model Based Systems Engineering (MBSE), in order to create a digital ecosystem that powers interoperability and enterprise integration at a whole new level. Responsibilities will include: Serve as a Systems Engineering & Technical Advisory (SETA) Contractor to our Government customers on a wide range of program tasks, to include oversight, support, and advisement of technical programs.

New!

Washington, Washington, DC6 days ago

This role functions as the contractor counterpart to a Government Special Security Officer (GSSO) or Program Security Manager (PSM) and is responsible for the day-to-day management, oversight, and execution of the SAP security program in a complex, multi-program environment. Overview: The Contractor Special Security Officer (CSSO) serves as the lead on-site contractor security authority for all Special Access Program (SAP) matters supporting the Advanced Sensor Systems Naval Detachment.

New!

Merrifield, VA1 day ago

Key responsibilities include preparing executive briefing materials; collecting, organizing, and synthesizing program, budget, and project updates; and delivering high-quality operational support to enable effective decision-making and execution. The Staff Assistant provides direct administrative and operational support to the Vice President of the Advanced Cyber Initiatives (ACI) branch.

Washington, DC30+ days ago

The project combines research, policy development, publications, and convenings across four core research tracks (Legislatures & Legitimacy; Regulatory Participation Reform; Service Delivery; and State Innovation in Pennsylvania) to generate practical reforms and public-facing insights. The ideal candidate is a highly-organized, results-oriented project manager who can translate complex intellectual projects into structured workflows and help teams execute research and policy initiatives.

Arlington, VA30+ days ago

Full-time

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. The CSSO will be responsible for implementing and enforcing security policies, coordinating personnel access, and ensuring compliance with government directives and contract requirements.

New!

Arlington, Virginia5 days ago

$45–$55 Per Hour

This role is responsible for managing the recruiting lifecycle, building strong talent pipelines, and partnering with hiring managers to help hire high-quality talent. Nuvitek is seeking a mid-level Technical Recruiter to support and execute end-to-end recruiting efforts for technical roles.

Washington, DC15 days ago

$50–$60 Per Hour

CBIZ Talent Solutions is assisting their client in the Washington DC area in their search for a Proposal Contractor to lead end-to-end RFP management and proposal development, with a focus on public sector and nonprofit opportunities. Strategic Collaboration: Coordinate with the proposal team, offshore resources, subject matter experts, and business partners to produce complete, compliant, and high-quality deliverables.

McLean, VA19 days ago

Working independently on assigned tasks, the Graphic Designer collaborates with communications specialists, subject matter experts, and project teams to translate complex environmental and scientific concepts into effective visual designs. The Graphic Designer is responsible for designing and producing a wide range of materials, including infographics, presentations, event collateral, social media graphics, digital campaign assets, and print materials.

Herndon, Virginia30+ days ago

Overview: The Contractor Program Security Officer will assist in overseeing and managing physical and operational security measures to safeguard personnel, facilities, and classified information within a highly sensitive intelligence community environment. This role is responsible for ensuring compliance with federal, agency, and local security regulations, identifying and mitigating threats, and maintaining a secure operational site.

Ashburn, VA30+ days ago

Contractor

Job Title: Anti-Tamper System Security Engineer (Secret Security Clearance) Job Location : Ashburn, VA Duration: 1 year assignment Job Description: Lead the development and implementation of Anti-Tamper (AT) measures throughout the System Development Lifecycle. Draft Program Protection Plans (PPPs), Cybersecurity Strategies, Security Classification Guides (SCGs), and AT Plans.

New!

Reston, VA6 days ago

Remote

$90,000–$110,000 Per Year

Maintain proactive, effective, and regular HR communication with clients related to deliverables, timelines, and required inputs, emphasizing execution status and business impact while escalating strategic or high-risk matters as appropriate. Serve as the day-to-day HR delivery lead for assigned clients, managing operational HR activities and functioning as the primary execution point under the oversight of a Senior Human Resources Consultant or Principal Consultant.

Chantilly, Virginia30+ days ago

Headquartered in Chantilly, VA with 16 global offices, Arcfield employs more than 1,500 engineers, analysts, IT specialists, and other professionals with more than 60 years of collective proven experience supporting missions in cyber and space defense, space exploration, hypersonic and nuclear deterrence and warfighter readiness. Overview: Arcfield was purpose-built to protect the nation and its allies through innovations in digital transformation, space mission engineering and launch assurance, miniaturized sensors and satellites, advanced modeling and simulation, cybersecurity, and conventional and hypersonic missile support.

Ashburn, VA30+ days ago

Remote

$25–$30

MAVENTRI is seeking a Senior Bookkeeper to support multiple clients with day-to-day accounting execution, month-end close preparation, and financial accuracy. This is a hands-on role for someone who understands how transactions flow through the financial statements and can confidently manage books with minimal oversight.

Reston, VA12 days ago

Remote

$70,000–$90,000 Per Year

Under the supervision of a consultant, provide cradle to grave contract and subcontract administration for assigned clients and their government contracts portfolio, including competitive, sole source, and directed prime and subcontract awards. If you thrive in variety, enjoy learning while still accomplishing tasks, and want the breadth of exposure that comes with supporting multiple GovCon companies at once — this role is built for you.

Chantilly, Virginia30+ days ago

Reston, VA30+ days ago

Remote

$90,000–$105,000 Per Year

Under the supervision of the Director, Contracts, Procurement, & Pricing services and supporting senior team members, the Senior Contracts & Procurement Administrator will be responsible for: Administering a variety of contracts, including CPFF/CPAF/CPIF, FFP, T&M, LH, IDIQ, BPA, and BOAs, both pre and post-award. As a full-time member of our internal team, you'll play a crucial role in providing tactical contract and subcontract life cycle management support, incremental buying for clients, and CPSR assessment and preparation support to our esteemed government contractor (GovCon) industry clients.

Reston, VA30+ days ago

Remote

Success in this role requires deep experience in full-cycle accounting, both the skill and passion in client communication and problem-solving, and the ability to manage multiple clients with varying service levels (monthly, quarterly, and annual). MillerMusmar CPAs is a regional public accounting firm with approximately 30 professionals providing outsourced tax, audit, and accounting services to small and mid-sized client organizations nationwide.

Washington, DC20 days ago

Duties include the following: Ensure strict adherence to the provisions of the National Industrial Security Program Operating Manual, its Supplement, the DoD Overprint, Director of Central Intelligence Directives, Intelligence Community Directive, and SAP policy. Conduct exploration of any loss, compromise, or suspected compromise of classified and/or sensitive information, including conducting preliminary inquiries and generating damage assessments resulting from the loss of classified information.

Washington, DC15 days ago

Experience with cloud-native architectures and AWS services, including VPCs, Security Groups, IAM, Docker, KMS, S3 and RDS encryption, HTTPS/SSL certificates, API Gateway, Lambda, CloudFormation, CloudFront, Cloudflare, egress proxies, data lake security, application security, domain segmentation, authentication, data protection, and process automation. The successful candidate will design, implement, and secure cloud-native AWS environments using technologies and services including VPC, IAM, Security Groups, Docker, Lambda, API Gateway, CloudFormation, CloudFront, CloudFlare, encryption technologies, and data protection controls.

Chantilly, Virginia30+ days ago

The contract support is part of the customer core team focused on all aspects of the system's life cycle including CONOPS development, capturing requirements, working with developers to deliver capability, testing to ensure capabilities meet requirements, transitioning to operations and operations support. Responsibilities include, but are not limited to the following: Works with the Team leads, program managers and acquisition professionals to validate that acquisition strategy will support a technically feasible outcome that meets the customer's needs.

Chantilly, Virginia30+ days ago

The contract support is part of the customer core team focused on all aspects of the system’s life cycle including CONOPS development, capturing requirements, working with developers to deliver capability, testing to ensure capabilities meet requirements, transitioning to operations and operations support. This program provides SETA (Systems Engineering Technical Advisor) & SE&I (Systems Engineering & Integration) services to an IC customer with a focus on acquisition and operations of a complex mission system and supporting IT infrastructure.

McLean, VA30+ days ago

The Associate Director will report to the Senior Vice President of the Federal Health portfolio and serve as the strategic lead for pursuits valued between $25M and $250M+, with accountability for driving full-spectrum capture activities across Business Development, Capture, Proposal, and Post-Submission phases. Harmonia Holdings Group, LLC is an award-winning, rapidly growing federal government contractor committed to providing innovative, high-performing solutions to our government clients and focused on fostering a workplace that encourages growth, initiative, creativity, and employee satisfaction.

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Government Contractor Jobs in Oxon Hill, MD

Category Manager Sparks Group

Senior Financial Manager Sparks Group

Mid Cartographic Analyst Leidos

Program Analyst BERING STRAITS PROFESSIONAL SERVICES LLC

Targeting Officer Leidos

Anesthesiologist - Lake Ridge Ambulatory Surgery Center - Northern Virginia - MedStar Health MedStar Health

Anesthesiologist Medical Director - Ambulatory Surgery Center at Annapolis, Maryland MedStar Health

Paralegal - On-Site - Government Contractor Intelligence Federal

Health Solutions Senior Vice President, Account Executive - Government Contracting Industry Aon Corporation

Government Contracts Attorney (Bid Protest Leader) Jobot

Senior Accountant (Government Contracting) Terrestris Global Solutions

Government Property Specialist BOOST LLC

Project Manager-Large Government Projects-Falls Church VA Michael Page

Senior Counsel, Government Contracts & Compliance Gateway Recruiting

Project Manager- Federal/Government- NoVA and DC Michael Page

Project Manager- Federal/Government- NoVA and DC Michael Page International

Program Administrator - Government Contract Team Carney

Associate Director of Member and Government Relations P3Hired

Head of State and Local Government Relations Suffolk Construction Company, Inc.

Government Information Specialist (FOIA) ZemiTek LLC

Open Interviews Security Officer - Government Clearance Required Allied Universal

Proposal Manager-Federal Government Fox Point Recruitment LLC

Head of State and Local Government Relations UNAVAILABLE

Professional Translator - Diplomatic and Government Services CLFC Healthcare and Communications

Senior Government Property Administrator ManTech

Information Technology / Federal & Government Contracting Talent Pool Anne Arundel Workforce Development Corporation (AAWDC)

Architectural Project Manager | Government Corgan

Contractor Special Security Officer (CSSO) Virginia Tech Applied Research Corporation

Systems Engineering & Technical Advisory (SETA) Contractor (Initial Clearance Candidate) Arcfield

Contractor SAP Security Officer (CSSO) AMERICAN SYSTEMS

Contractor - Security SMK Soft Inc

Program Manager (Part-Time Contractor) New America

Contractor Special Security Officer (CSSO) IDS International

Technical Recruiter (1099 Contractor) Nüvitek

Proposal Contractor Marcum Search

Graphic Designer (Contractor) BLN24

Contractor Program Security Officer VTG

Info Security Sys Engineering - Cleared Contractor - L6 LanceSoft Inc

Human Resources Consultant (Remote) BOOST LLC

Systems Engineer Technical Specialist (O&M) Arcfield

Senior Bookkeeper Maventri

Contracts Administrator (Remote) BOOST LLC

Systems Engineer Technical Specialist (INFOSEC) Arcfield

Senior Procurement & Contracts Administrator (Remote) BOOST LLC

Senior Accountant Outsourced Services MillerMusmar CPAs

Program Security Representative (PSR) II gTANGIBLE Corporation

Cloud Security Engineer ESM

System Engineer II Arcfield

System Engineer (Architecture/Mission Thread Support) Arcfield

Associate Director - Federal Health Harmonia Holdings Group, LLC

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