Chantilly, Virginia, United States · On-site
$100k–$150k/yr
POSITION TITLE Systems Engineer/SME JOB DESCRIPTION As a Systems Engineer, you will work as an integral member of a government/contractor team supporting ongoing and future programs. In this unique role you will apply yo…
Skills: RF Communication, Signal Processing, Radar, Modeling and Simulation, Antenna Design
Chantilly, Virginia, United States · On-site
$149k–$170k/yr
FTS International, LLC (FTS) is committed to providing the Federal Government with quality consultants and support. To ensure mission success we focus on putting our customers first while minimizing corporate bureaucracy…
Skills: Ground Systems Engineering, Software Integration, Systems Development, Systems Architecture, Verification And Validation
Chantilly, Virginia, United States · On-site
$149k–$170k/yr
FTS International, LLC (FTS) is committed to providing the Federal Government with quality consultants and support. To ensure mission success we focus on putting our customers first while minimizing corporate bureaucracy…
Skills: Systems Engineering, Operational Testing, Exercise Planning, TS/SCI with Polygraph, Mission Assurance
Chantilly, Virginia, United States · On-site
$89k–$195k/yr
AT&T Global Public Sector is a trusted provider of secure, IP enabled, cloud-based, network solutions and professional services to the Federal Government. We are dedicated to recruiting, developing and empowering a diver…
Skills: Change Management, ServiceNow, ITSM, ITIL, Configuration Control Board
Chantilly, Virginia, United States · On-site
$113k–$238k/yr
Job Title: Cyber Security Analyst Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: Regular Percentage of Travel Required: Up to 10% Type of Travel: …
Skills: Cyber Operations, Penetration Testing, Network Forensics, Internet Traffic Characterization, Python
Chantilly, Virginia, United States · On-site
$150k–$250k/yr
What Impact You'll Have Our team is charged with taking commercial and academic innovation high-side, in domains of Artificial Intelligence / Machine Learning (AI / ML), Natural Language Processing (NLP). We also bring t…
Skills: Full Stack Development, Backend Systems, User Interface Design, AI/ML Applications, DevOps
Chantilly, Virginia, United States · On-site
$150k–$250k/yr
What Impact You'll Have Our team is charged with taking commercial and academic innovation high-side, in domains of Artificial Intelligence / Machine Learning (AI / ML), Natural Language Processing (NLP). We also bring t…
Skills: ETL, Apache Kafka, Apache Spark, Prefect, Docker
Chantilly, Virginia, United States · On-site
$150k–$250k/yr
What Impact You'll Have Our team is charged with taking commercial and academic innovation high-side, in domains of Artificial Intelligence / Machine Learning (AI / ML), Natural Language Processing (NLP). We also bring t…
Skills: Artificial Intelligence, Machine Learning, Natural Language Processing, Python, Linux
Chantilly, Virginia, United States · On-site
Location: Chantilly, VASchedule: Full-TimeWork Location: On-SiteShift: Day JobTravel: NoMinimum Clearance Required: TS/SCI with CI PolyBenefits: Click here Rapid Cycle Solutions LLC (RCS) is an innovative small business …
Skills: Cloud Security Engineering, Risk Assessment, Security Control Implementation, Multi-Cloud Strategy, CI/CD Frameworks
Chantilly, Virginia, United States · On-site
XMSTART is looking to add an experienced and strategic full-time Directorate Action Group (DAG) Specialist at to our team, in Chantilly, VA. This position is 100% onsite. Security Clearance: Active Top Secret/SCI with CI…
Skills: Executive Action Tracking, Strategic Communication, Briefing Preparation, Meeting Facilitation, Technical Review
Chantilly, Virginia, United States · On-site
Cyber/Network Engineer (Architecture Focus) TS/SCI Department: Government Customer- Chantilly Location: Chantilly, VA ACTIVE TS/SCI CLEARANCE REQUIRED We are seeking a versatile Cyber/Network Engineer who can bridge the …
Skills: Network Architecture, Cybersecurity, Cloud Infrastructure, DevOps, Enterprise Routing
Chantilly, Virginia, United States · On-site
Network Engineer TS/SCI FSP Department: Government Customer- Chantilly Location: Chantilly, VA ACTIVE TS/SCI CLEARANCE with FULL SCOPE POLY REQUIRED TO BE CONSIDERED FOR THIS POSITION As IT Network Engineer, you will be …
Skills: Network Design, Network Architecture, Router Administration, Switch Administration, Firewall Administration
Chantilly, Virginia, United States · On-site
Junior Software Engineer – Modeling & Simulation (Full-Stack) - TS/SCI Department: Govt Customer-Chantilly Location: Chantilly, VA ACTIVE TS/SCI CLEARANCE REQUIRED About the Program We are architecting a next-gener…
Skills: Full-Stack Development, Python, Java, C++, Git
Chantilly, Virginia, United States · On-site
$87k–$182k/yr
Job Title: DevOps Systems Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: Regular Percentage of Travel Required: Up to 10%…
Skills: AWS, Windows Server, IIS, DevOps, PowerShell
Chantilly, Virginia, United States · On-site
$132k–$290k/yr
Job Title: Operations Manager 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: Enterprise IT Architecture, Systems Design, AWS Cloud Services, C2S/C2E, System Integration
Chantilly, Virginia, United States · On-site
$71k–$149k/yr
Job Title: Finance & Accounting Mid-Level Analyst Job Category: Finance and Accounting Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: Regular Percentage of Travel Required:…
Skills: Financial Analysis, Federal GAAP, FASAB, FASB, Federal Appropriation Law
Chantilly, Virginia, United States · On-site
$61k–$122k/yr
Job Title: Service Center Frontline Account Manager Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: Regular Percentage of Travel Require…
Skills: Tier 1 Technical Support, Incident Triage, Active Directory, ITSM/CRM, Network Troubleshooting
Chantilly, Virginia, United States · On-site
$85k–$178k/yr
Job Title: Finance & Accounting Senior Analyst Job Category: Finance and Accounting Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: Regular Percentage of Travel Required: No…
Skills: Federal Accounting, General Ledger Reconciliation, Financial Reporting, Tax Preparation, Financial Forecasting
Chantilly, Virginia, United States · Hybrid
$69k–$103k/yr
RELOCATION ASSISTANCE: No relocation assistance available CLEARANCE REQUIRED FOR START: No CLEARANCE TYPE: Top Secret TRAVEL: Yes, 10% of the TimeDescription At Northrop Grumman, our employees have incredible opportuniti…
Skills: Supply Chain Management, Procurement, Sourcing, Price Analysis, Negotiation
Chantilly, Virginia, United States · On-site
$132k–$290k/yr
Job Title: Operations Manager 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: Enterprise IT Architecture, Systems Design, AWS Cloud Services, C2S/C2E, System Integration
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The Systems Engineer will serve as a subject matter expert within a government/contractor team to develop advanced analysis solutions. They will collaborate with multidisciplinary teams to design and present technical information to management and sponsors.
Requires a Master of Science degree with 15-20 years of experience and an active TS/SCI security clearance. Candidates must have recent engineering experience in RF communication, signal processing, or radar systems.
POSITION TITLE
Systems Engineer/SME
JOB DESCRIPTION
As a Systems Engineer, you will work as an integral member of a government/contractor team supporting ongoing and future programs. In this unique role you will apply your technical skills toward state-of-the-art highly advanced analysis solutions in support of critical customer focus areas.
EXPERIENCE
Required:
· Master of Science degree with 15 to 20 years of prior relevant experience - additional experience will be considered in lieu of degree
· At least four (4) or more years of recent engineering experience in the following areas: RF communication, signal processing, radar, modeling and simulation, or similar fields
· In-depth knowledge of antenna design principals, array technology, and radio-wave propagation methods and systems
· Demonstrated knowledge as a subject matter expert of engineering principles and practices
· Active TS/SCI security clearance is required to be considered for this position. An active TS/SCI with polygraph is highly desired
· Experience working independently or as a member of a multidisciplinary design and development team that may include engineers and technicians
· Significant verbal and written communication skills necessary to effectively collaborate in a team environment; present and explain technical information to colleagues, management or sponsors
Desired:
· Experience running simulations on high-performance computing (HPC), graphics processor units (GPU), or other advanced processing platforms
· Subject matter expert knowledge of advanced system concepts related to aerospace and/or spacecraft
· Proficient using modeling, design or development tools (e.g. MATLAB, Mathematica, Simulink, or languages such as C/C++, Java, Python, etc.)
Salary range: $100,000 - $125,000 - $150,000
If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.
For 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.
The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.
An industry & technology leader serving government & commercial customers with smarter, more efficient innovations
Leidos is an industry and technology leader serving government & commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $17.2 billion for the fiscal year ended January 2, 2026. Leidos was cited for the meaningful work employees perform that is challenging, impactful, and aligned with our customers’ missions as reasons professionals want to work and stay at our company. Leidos has also been named to lists including Forbes’ Best Employers for Diversity, Forbes’ America’s Best Employers for Women, Military Times Best for Vets Employers, and Ethisphere Institute’s World's Most Ethical Companies®. Employees enjoy career enrichment opportunities available through mobility and development and experience rewarding relationships with supportive supervisors and talented colleagues and customers. Employees appreciate our flexible work environment, allowing for and encouraging a true work-life balance. Our professionals are also excited about our Employee Resource Groups, like the Collaborative Outreach with Remote and Embedded Employees (CORE), which strives to create an environment where every employee, regardless of location, feels fully engaged as a valued employee of Leidos. Your most important work is ahead, visit careers.leidos.com for our latest opportunities.
Offices: 1750 Presidents St, Reston, Virginia 20190, US · 11955 Freedom Drive, Reston, VA 20190, US · 1145 N 2nd St, Leavenworth, KS 66048, US · 9600 Great Hills Trail, Austin, TX 78759, US · 221 3rd St, Newport, RI 02840, US
Based on 581 listings with disclosed salaries, most government & public sector jobs in Chantilly, VA pay between $78k–$218k per year. Individual offers vary with seniority, company size, and specialization.
There are currently 893 open government & public sector positions in Chantilly, VA listed on Clera. New openings are added daily as companies post roles.
Companies currently hiring include Booz Allen Hamilton, SAIC, CACI International Inc, KBR, Inc., General Dynamics Information Technology, among others. Browse the listings above to see every active employer.
Yes — 75 of the 893 open government & public sector positions offer remote or hybrid work (27 remote, 48 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.
