Fort Belvoir, Virginia, United States · On-site
$145k–$155k/yr
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,…
Skills: .NET Core, C#, JavaScript, Microsoft SQL, REST APIs
Fort Belvoir, Virginia, United States · On-site
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,…
Skills: .NET Core, C#, JavaScript, Microsoft SQL, REST APIs
Fort Belvoir, Virginia, United States · On-site
$110k–$132k/yr
Savantage Solutions is seeking a Financial Manager to join our professional services team, supporting a federal government agency's mission to deliver high-quality budgetary, financial, and civilian pay support that driv…
Skills: Budget Execution, Financial Analysis, Defense Agencies Initiative (DAI), Microsoft Excel, SharePoint
Fort Belvoir, Virginia, United States · Hybrid
$110k–$132k/yr
Savantage Solutions is seeking a Financial Manager to join our professional services team, supporting a federal government agency's mission to deliver high-quality budgetary, financial, and civilian pay support that driv…
Skills: Budget Execution, Financial Analysis, Defense Agencies Initiative (DAI), Microsoft Excel, SharePoint
Fort Belvoir, Virginia, United States · On-site
SAIC is seeking a highly skilled Cybersecurity Specialist to join our team at Fort Belvoir, Virginia. The Cyber Security Specialist will perform strategic planning and management, and other advanced and specialized cyber…
Skills: Cloud Security Architecture, Enterprise Cyber Architecture, Vulnerability Scanning, Incident Response, Firewall Management
Fort Belvoir, Virginia, United States · On-site
$23/hr
Responsibilities: Cleans and keeps in an orderly condition commissary’s work, store, office and restroom areas. Duties involve a combination of the following: Sweeping, mopping or scrubbing, and waxing & polishing …
Skills: Floor Maintenance, Cleaning, Waste Removal, Dusting, Minor Maintenance
Fort Belvoir, Virginia, United States · On-site
$23/hr
Responsibilities: Performs the following tasks at an establishment whose primary function is that of the resale of merchandise in a retail environment. Will move merchandise by use of non-motorized equipment that is inte…
Skills: Merchandising, Inventory Management, Retail Operations, Physical Stamina, Customer Service
Fort Belvoir, Virginia, United States · On-site
$23/hr
Responsibilities: Performs the following tasks at an establishment whose primary function is that of the resale of merchandise in a retail environment. Will move merchandise by use of non-motorized equipment that is inte…
Skills: Merchandising, Inventory Management, Retail Display, Customer Service, Stocking
Fort Belvoir, Virginia, United States · On-site
$24/hr
Schedule to Fill: Needing to fill shifts Friday, Saturday, Sunday, and Monday. 12pm - 5pm. Responsibilities: The Order Filler fills shipping or transfer orders for finished goods from stored merchandise in accordance wit…
Skills: Order Filling, Inventory Management, Record Keeping, Heavy Lifting, Warehouse Operations
Fort Belvoir, Virginia, United States · On-site
Overview BLUEHAWK is seeking a highly experienced HUMINT Collection Manager (Senior) to support strategic CI-HUMINT collection management, operational oversight, intelligence analysis, and mission synchronization activit…
Skills: Humint Collection Management, Intelligence Analysis, Operational Planning
Fort Belvoir, Virginia, United States · Hybrid
Responsibilities Cardinal Technology Systems Corp. is a government IT solutions provider servicing commercial and government initiative in various parts of the United States. We are currently seeking a Configuration Mana…
Skills: Configuration Management, Baseline Control, Configuration Control Boards (CCB), Audit Support, Engineering Change Requests
Fort Belvoir, Virginia, United States · On-site
$62k–$141k/yr
Cloud Infrastructure Support Engineer The Opportunity: As a DevOps engineer, you know how to set up cloud environments and provision computer networking, storage, and virtual networks, ultimately, how to “harness the clo…
Skills: Linux Operating Systems, Amazon Web Services, Bash, Ansible, YAML
Fort Belvoir, Virginia, United States · On-site
Overview BLUEHAWK is seeking a highly experienced HUMINT Analyst (Senior) to support strategic CI/HUMINT operations, collection management, and intelligence analysis activities within a dynamic Intelligence Community and…
Skills: HUMINT Analysis, Collection Management, Intelligence Analysis, All-Source Intelligence, Operational Planning
Fort Belvoir, Virginia, United States · On-site
Overview BLUEHAWK is seeking a HUMINT Collection Manager (Mid) to support strategic CI-HUMINT collection management, intelligence oversight, operational assessments, and collection requirements management in support of U…
Skills: HUMINT Collection Management, CI-HUMINT Operations, Intelligence Cycle, Collection Gap Analysis, IIR Evaluation
Fort Belvoir, Virginia, United States · On-site
Overview BLUEHAWK is seeking a highly skilled HUMINT Targeting Analyst (Mid) to support strategic HUMINT targeting and intelligence operations in support of U.S. Army Intelligence and Security Command (INSCOM) missions. …
Skills: HUMINT Targeting, Intelligence Analysis, Collection Management, All-Source Intelligence, Targeting Strategies
Fort Belvoir, Virginia, United States · On-site
$140k–$165k/yr
Job DetailsJob Location: Fort Belvoir, VA 22060Salary Range: $140,000.00 - $165,000.00 Salary/yearJob Purpose GCubed, Inc. is seeking an AI/ML Engineer to design, build, and deploy machine learning models and AI-powered …
Skills: Python, Machine Learning, Artificial Intelligence, PyTorch, TensorFlow
Fort Belvoir, Virginia, United States · On-site
$165k–$180k/yr
SMX is seeking a Sr. Artificial Intelligence Engineer. This is a full-time onsite position in Ft. Belvoir, VA. Essential Duties & Responsibilities AI Model Lifecycle & MLOps Design, develop, and deploy machine learning m…
Skills: MLOps, Large Language Models, Python, TensorFlow, PyTorch
Fort Belvoir, Virginia, United States · On-site
Overview BLUEHAWK, LLC is a professional services firm providing intelligence, information technology, language, and training services to the U.S. Government and commercial entities with objectives to protect and defend …
Skills: HUMINT Operations, Intelligence Management, Operational Planning, Executive Briefing, Intelligence Analysis
Fort Belvoir, Virginia, United States · On-site
Overview BLUEHAWK, LLC is a professional services firm providing intelligence, information technology, language, and training services to the U.S. Government and commercial entities with objectives to protect and defend …
Skills: Executive Staff Coordination, Action Tracking, Personnel Coordination, Enterprise Communications, Executive Correspondence
Fort Belvoir, Virginia, United States · On-site
$92k–$167k/yr
Leidos is seeking a Senior Communications Security (COMSEC) Engineer in Fort Belvoir, VA to support large-scale migration and operations on a large, high-profile DoW contract. The I3TS program provides enterprise-wide IT…
Skills: COMSEC Engineering, Cryptographic Hardware Configuration, TACLANE Encryptors, Network Security, Key Management
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The Senior Application Developer is responsible for the design, development, integration, and maintenance of complex software applications for the ITCD family. This includes leading architecture, mentoring junior developers, and collaborating with cross-functional teams to optimize operational efficiency.
Candidates must have a bachelor's or postgraduate degree, 5-8+ years of software development experience, and an active Top Secret security clearance. Required certifications include IAT-II (e.g., Security+) and proficiency in .NET Core and SQL.
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.
SOSi is seeking a highly qualified Senior Application Developer to join our team on site in Fort Belvoir, VA, in support of our government customer. In this role, the Senior Application Developer will serve as a technical expert responsible for the design, development, integration, and maintenance of complex software applications. The position requires a strong proficiency in .NET Core and extensive experience supporting the operation, enhancement, and modernization of the ITCD (Information Technology and Compliance Directorate) family of applications. The ideal candidate excels in system integration, collaborates effectively across teams, delivers high‑quality solutions, and provides mentorship to junior developers. This role is best suited for someone who is proactive, detail‑oriented, and committed to building reliable and scalable systems.
Challenge Accepted
Founded in 1989 and headquartered in Reston, Virginia, SOSi is a private, founder-led defense and government solutions firm specializing in advanced technology systems and mission support. Our capabilities span data science, software development, network engineering, intelligence, surveillance and reconnaissance (ISR), language services, and logistics—delivered across 16+ countries to the customers who need them most. We lead with technology. From the DoW's largest data-centric, Zero Trust mission partner network to AI-powered intelligence platforms and cloud-native solutions, SOSi engineers the systems that enable U.S. and allied forces to operate, decide, and win. More than 25% of our workforce are veterans—because this mission is personal. Where others see the size of the challenge, we say #ChallengeAccepted -- Fraud Alert: Recruitment fraud is a growing trend where fraudsters impersonate SOSi and its employees to deceive job seekers with fake employment opportunities. These scams typically involve fake job postings, unauthorized email accounts, or forged documents claiming to be from SOSi. The intent is to gain access to your personal information, including banking details, credit card numbers, or social security numbers. Please be aware that all legitimate SOSi communications come from official @sosi.com or @sosi.us email addresses, and we never request personal information during initial contact. Our official careers site can be found at sosi.com/careers and our corporate site at sosi.com. If you receive a suspicious job offer claiming to be from SOSi, contact us directly at [email protected] to verify its legitimacy.
Offices: 1881 Campus Commons Drive, Suite 500, Reston, Virginia 22191, US
Based on 198 listings with disclosed salaries, most government & public sector jobs in Fort Belvoir, VA pay between $70k–$178k per year. Individual offers vary with seniority, company size, and specialization.
There are currently 328 open government & public sector positions in Fort Belvoir, VA listed on Clera. New openings are added daily as companies post roles.
Companies currently hiring include Kaimetrix, Semper Valens Solutions, Booz Allen Hamilton, CACI International Inc, LinTech Global, a Dexian company, among others. Browse the listings above to see every active employer.
Yes — 28 of the 328 open government & public sector positions offer remote or hybrid work (11 remote, 17 hybrid).
Each listing links directly to the employer's application page. Apply early — fresh listings get the most recruiter attention in the first two weeks.
