Government Contracting jobs in Lorton, VA

Chantilly, Virginia

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Today

Job ID: 2613989 Location: Chantilly, VA, US Date Posted: 2026-06-25 Category: Engineering and Sciences Subcategory: Systems Engineer Schedule: Full-Time Shift: Day Job Travel: No Minimum Clearance Required: TS.SCI_wPoly Clearance Level Must Be Able to Obtain: None Potential for Remote Work: ORA_ON_SITE Description SAIC is seeking a Senior Acquisition Specialist to support SAIC's Prime Program, Landmark AOS in Chantilly, VA. Landmark AOS is a large SETA program, supporting the NRO's Gro

Full-time

USD 160,001.00 - 200,000.00 per year

Capture Director

Reston, Virginia

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Today

Company Description Founded in 1989, SOSi is among the largest private, founder-owned technology and services integrators in the defense and government services industry. We deliver tailored solutions, tested leadership, and trusted results to enable national security missions worldwide. Job Description SOSi is seeking an experienced and results-driven Capture Director to lead strategic business development and capture efforts within the company's Business Development organization. This high-i

Full-time

Senior Scrum Master

Chantilly, Virginia

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Today

About the Organization Now is a great time to join Redhorse Corporation. We are a solution-driven company delivering data insights and technology solutions to customers with missions critical to U.S. national interests. We're looking for thoughtful, skilled professionals who thrive as trusted partners building technology-agnostic solutions and want to apply their talents supporting customers with difficult and important mission sets. About the Role Redhorse transforms the way government uses d

Full-time

Cyber Threat Intelligence (CTI) Analyst

Remote or Bethesda, Maryland

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Today

Overview Edgewater Federal Solutions is currently seeking a Cyber Threat Intelligence (CTI) Analyst to provide support to an Edgewater Federal government contract. **Due to the nature of the contract and work, ship is a requirement** Responsibilities Become an integral part of a diverse team.Establish and maintain complete intelligence cycle operations to support enterprise cyber security, accounting for strategic, operational, and tactical intelligence needs.Use open source, government-provi

Full-time

USD 160,000.00 - 180,000.00 per year

Senior Systems Engineer (Proofpoint)

Washington, District of Columbia

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Today

Overview Edgewater Federal Solutions is seeking a Sr. Systems Engineer to lead the migration of the client's on-premises IronPort email security appliances to a Proofpoint cloud-based email security solution. The engineer will plan and execute a seamless transition while minimizing disruption to enterprise email services. Unless otherwise specified, this position requires full-time onsite presence. This work is performed onsite in Washington, DC without remote or hybrid options. Responsibiliti

Full-time

USD 157,044.00 - 160,534.00 per year

Systems Engineer - Modeling & Simulation

Fort Belvoir, Virginia

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Today

Responsibilities **This position is for upcoming work and is contingent upon task award/funding. ** This will be an onsite position at Fort Belvoir, VA. We are seeking an experienced and highly skilled Senior Systems Engineer to support a dynamic government contracting program in Washington, DC. The ideal candidate will bring deep expertise in Modeling and Simulation (M&S) with a strong focus on conventional weapons effects, vulnerability analysis, and systems engineering process management. I

Full-time

USD 176,800.00 - 276,250.00 per year

Mission Engineering Program Manager

Alexandria, Virginia

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Today

MTSI is seeking a Mission Engineering Program Manager who will serve as the Task Order Program Manager (TOPM) supporting the Office of the Undersecretary of War for Research and Engineering (USW(R&E)) Mission Engineering Integration Activity (MEIA). The TOPM is the COR's single, authoritative point of contact for all programmatic matters related to the TO and is responsible for the staffing of contractor personnel and providing the deliverables IAW the TO. This role oversees execution of missio

Full-time

USD 240,000.00 - 275,000.00 per year

AI/ML Software Developer - Top Secret

Tysons, Virginia

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Today

Team CATHEXIS elevates the government contracting experience through rapid response, deep skill, and thoughtful problem-solving and communication. Our core capabilities are our top-tier program and project management, data analytics, and audit services, the backbone of which is our integrated approach to operational excellence. You worked hard to get to where you are. You strive to make every day better than the day before. So do we. Team CATHEXIS operates with an all-in mindset. We are working

Full-time

USD 90,000.00 - 135,000.00 per year

Senior AI/ML Software Developer (req-283)

Tysons, Virginia

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Today

Full-time

USD 148,000.00 - 179,000.00 per year

AI/ML Software Developer

Tysons, Virginia

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Today

Full-time

USD 123,100.00 - 149,800.00 per year

AI/ML Software Developer (req-281)

Tysons, Virginia

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Today

Full-time

USD 137,448.00 - 167,256.00 per year

Senior AI/ML Software Developer (req-282)

Tysons, Virginia

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Today

Full-time

USD 148,000.00 - 200,000.00 per year

AI/ML Software Developer (req-280)

Tysons, Virginia

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Today

Full-time

USD 137,448.00 - 167,256.00 per year

Help Desk Technician

Washington, District of Columbia

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Today

Overview We are seeking a dedicated Help Desk Support Technician to join our team. The ideal candidate will have knowledge in supporting various operating systems for computers and software, possess strong written and verbal communication skills, and be able to work a full-time schedule on-site in Washington, DC. Work Location: Washington, DC Work Arrangement: Onsite Clearance: Must have an active Secret clearance Responsibilities Essential Duties & Responsibilities: Responsibilities inclu

Full-time

USD 37.76 per hour

Associate AI/ML Software Developer (req-261)

Tysons, Virginia

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Today

Full-time

USD 98,700.00 - 120,300.00 per year

Lead Program Financial Analyst II

Arlington, Virginia

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11d ago

One Federal Solution is seeking a Program Financial Analyst II (Lead) to provide financial analysis, budget formulation and defense support, financial execution, IT systems management, stakeholder coordination, and programmatic leadership support. The Program Financial Analyst II (Lead) will assist the Business Financial Manager (BFM) with budget defense, financial execution, IT procurement, data reconciliation, team workload management, and contractor personnel leadership. Key Responsibilities

Full-time

Senior Voip Engineer

Quantico, Virginia

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Today

As a Senior VoIP Engineer, the individual will oversee and manage all components of the Cisco Unified Communication Manager cluster. In this role, the Engineer will monitor and control the performance and status of voice and video resources across multiple enclaves and locations utilizing software and hardware tools. In addition, the individual will work to ensure all voice applicable STIGs and vulnerabilities are resolved or mitigated in a timely manner. This full-time position requires a physi

Full-time

Senior Network Engineer (TS/SCI)

Quantico, Virginia

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Today

DirectViz Solutions (DVS) is a dynamic and rapidly growing government contractor committed to delivering innovative IT solutions that address the mission-critical needs of our government clients. Through the expertise and dedication of our talented team, we provide cutting-edge technology services designed to achieve success and exceed expectations. At DVS, we prioritize our employees as our greatest asset. We offer competitive compensation, comprehensive medical benefits, a 401(k) match, gener

Full-time

AWS IT Project Manager

Washington, District of Columbia

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15d ago

Job Title: AWS Project Manager (Federal Government Contracting) Job Summary The AWS Project Manager is responsible for leading and delivering cloud initiatives supporting federal government programs, with a focus on AWS cloud adoption, migration, and operational excellence. This role manages the full project lifecycle, ensuring compliance with federal standards (e.g., FedRAMP, NIST), while coordinating cross-functional teams, vendors, and stakeholders. The ideal candidate brings experience mana

Part-time

Unix/Linux Administrator

Dahlgren, Virginia

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Today

JOB DESCRIPTION Watershed Security, is a Veteran Owned Small Business with over 20 years' Cybersecurity and Government Contracting experience. Watershed is looking for a hands-on Unix/Linux Systems Administrator to support NSWCDD.; onsite in Dahlgren, VA. REQUIRED QUALIFICATIONS Key Responsibilities Three (3) years of professional experience in UNIX and/or Linux System Administration of networks and software systems. Experience in system backup and recovery; basic software management; security

Full-time

USD 60,000.00 - 65,000.00 per year

Government Contracting jobs in Lorton, VA, USA