Chantilly, 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: Full Stack Development, UI Development, Backend Systems, AI/ML Applications, DevOps
Chantilly, Virginia, United States · On-site
Position Summary: The Recycling Technician is a key member of Securis' growing Recycling Operations team, responsible for the secure processing of retired electronic equipment both in our Chantilly warehouse and at custo…
Skills: Electronic Disassembly, Material Handling, Hard Drive Shredding, Inventory Tracking, Warehouse Operations
Chantilly, Virginia, United States · On-site
Overview VTG is seeking a DevOps Engineer is responsible for designing, implementing, and maintaining modern DevOps practices, infrastructure automation, and containerized application environments. The ideal candidate wi…
Skills: DevOps, CI/CD, Docker, Kubernetes, AWS
Chantilly, Virginia, United States · On-site
Overview VTG is seeking an experienced Platform Engineer to design, implement, automate, and maintain the infrastructure and platform services that support mission-critical applications and services. The Platform Enginee…
Skills: Kubernetes, DevSecOps, Terraform, Ansible, Puppet
Chantilly, Virginia, United States · On-site
Data Scientist mid-level TS/SCI CI poly Department: Govt Customer-Chantilly Location: Chantilly, VA TENICA is looking to hire a Data Scientist. Must have active TS/SCI with CI poly. Position Description: The Cyber Data S…
Skills: Data Science, Cybersecurity, Statistical Analysis, Programming, Data Visualization
Chantilly, Virginia, United States · On-site
XMSTART is seeking a Systems Engineer to work on complex projects crucial to our national security objectives. They will provide Systems Engineering and Technical Advisory (SETA) services to assist the government in impl…
Skills: Systems Engineering, MBSE, Digital Twin, Requirements Definition, System Architecture
Chantilly, Virginia, United States · On-site
$92k–$167k/yr
The Digital Modernization Sector at Leidos has an opening for a Sr. Command & Telemetry (C&T) Network Engineer. The C&T Network Engineer is a technical role which includes solution and design engineering functions for go…
Skills: Network Engineering, Command and Telemetry, Cisco Routers, Juniper Routers, MPLS Troubleshooting
Chantilly, Virginia, United States · On-site
$104k–$218k/yr
Job Title: Endpoint Systems Lead Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI Employee Type: Regular Percentage of Travel Required: Up to 10% Type of Travel: Conti…
Skills: Endpoint Management, IT Operations Leadership, Microsoft Endpoint Configuration Manager, Intune, Citrix
Chantilly, Virginia, United States · On-site
$104k–$218k/yr
Job Title: IT Operations Specialist Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI Employee Type: Regular Percentage of Travel Required: Up to 10% Type of Travel: Co…
Skills: Tier 2 Support, Incident Analysis, Patch Management, Capacity Monitoring, Blue/Green Fielding
Chantilly, Virginia, United States · On-site
$104k–$218k/yr
Job Title: Python Developer Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: Regular Percentage of Travel Required: None Type of Travel: …
Skills: Python, PostgreSQL, AWS, Git, Microservices
Chantilly, Virginia, United States · On-site
$104k–$218k/yr
Job Title: IT Operations Specialist Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI Employee Type: Regular Percentage of Travel Required: Up to 10% Type of Travel: Co…
Skills: Tier 2 Support, Incident Analysis, Patch Management, Capacity Monitoring, Windows Server
Chantilly, Virginia, United States · On-site
$104k–$218k/yr
Job Title: Data Analyst Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI Employee Type: Regular Percentage of Travel Required: Up to 10% Type of Travel: Continental US…
Skills: Data Analysis, Data Visualization, Python, R, SQL
Chantilly, Virginia, United States · On-site
$104k–$218k/yr
Job Title: Endpoint Systems Lead Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI Employee Type: Regular Percentage of Travel Required: Up to 10% Type of Travel: Conti…
Skills: Endpoint Management, IT Operations Leadership, Microsoft Endpoint Configuration Manager, Intune, Citrix
Chantilly, Virginia, United States · On-site
SAIC seeks a Senior Principal Digital Engineer to own the technical strategy and delivery of advanced digital engineering transformation initiatives supporting national security and intelligence missions. You will drive …
Skills: Model-Based Systems Engineering, SysML, UAF, Cloud Integration, Digital Thread
Chantilly, Virginia, United States · Hybrid
Responsibilities Arcfield is seeking a senior capture management professional to focus on growth and capture initiatives within the Enterprise Digital Global Engineering (EDGE) sector. The position reports to the Vice Pr…
Skills: Capture Management, Strategic Planning, Business Development, Proposal Development, Shipley Best Practices
Chantilly, Virginia, United States · On-site
SAIC is seeking a Systems Engineer to work on complex projects crucial to our national security objectives. They will provide Systems Engineering and Technical Advisory (SETA) services to assist the government in impleme…
Skills: Systems Engineering, MBSE, Digital Twin, System Architecture, Requirements Definition
Chantilly, Virginia, United States · On-site
SAIC is seeking a GEOINT Ground Systems Engineering & Operations Thread Engineer to join SAIC’s Prime SETA program supporting the NRO in Chantilly, VA . As the GEOINT Ground Systems Engineering & Operations Thread Engine…
Skills: GEOINT Ground Systems, Mission Thread Integration, Systems Engineering, Technical Oversight, Architectural Design
Chantilly, Virginia, United States · On-site
SAIC is seeking a GEOINT Ground Processing Systems Engineer to join SAIC’s Prime SETA program supporting the NRO in Chantilly, VA . Key Responsibilities Perform end‑to‑end engineering and analysis across GEOINT ground pr…
Skills: GEOINT Ground Processing, Systems Engineering, Technical Oversight, Operational Workflow Analysis, Cloud-Native Modernization
Chantilly, Virginia, United States · On-site
$148k–$221k/yr
The Aerospace Corporation is the trusted partner to the nation’s space programs, solving the hardest problems and providing unmatched technical expertise. As the operator of a federally funded research and development ce…
Skills: Cybersecurity Assessment, Penetration Testing, Vulnerability Research, Reverse Engineering, Defensive Cyberspace Operations
Chantilly, Virginia, United States · On-site
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 modeli…
Skills: Infosec, Systems Engineering, Cybersecurity, Splunk, Network Design
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Design, develop, and maintain cyber analytic applications for a US government customer. Collaborate with cyber SMEs and data scientists to create responsive user interfaces and robust backend services.
Requires an active TS/SCI clearance with poly and 3-5 years of full-stack/UI development experience. A STEM degree in a field such as computer science or mathematics is required.
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 skilled Senior Full Stack/UI Developer to support a US government customer in Chantilly, VA.
This role will be responsible for designing, developing, and maintaining cyber analytic applications. This role involves collaborating with cyber SMEs, data scientists, and engineers to translate complex technical requirements into responsive user interfaces and robust backend services.
All interested individuals will receive consideration and will not be discriminated against for any reason.
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 876 listings with disclosed salaries, most security & safety jobs in Chantilly, VA pay between $75k–$218k per year. Individual offers vary with seniority, company size, and specialization.
There are currently 1,160 open security & safety positions in Chantilly, VA listed on Clera. New openings are added daily as companies post roles.
Companies currently hiring include CACI International Inc, Booz Allen Hamilton, SAIC, VT Group (VTG), Leidos, among others. Browse the listings above to see every active employer.
Yes — 135 of the 1160 open security & safety positions offer remote or hybrid work (11 remote, 124 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.
