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Systems Engineer Jobs in Warrenton, VA

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Senior Backend Engineer Antithesis Operations LLC

Vienna, VA

Design, build, and operate core platform systems - including backend infrastructure, data processing pipelines, storage layers, and the scalable APIs, integrations, and interfaces that power internal and external consumers. Youll be designing them from scratch, owning them end-to-end, across the full stack: from raw binary formats and block compaction all the way up to the external APIs our customers depend on.

17 days ago

Network Engineer - VERSA Surge Support Emergent Technologies

Reston, Virginia

With our comprehensive technological solutions, we aim to share our expertise to help these entities develop a strategic plan, ensure a seamless implementation process, and produce accurate and efficient results. These roles are vital to the customer’s next-generation network architecture and GNOC (Global Network Operations Center) monitoring operations.

14 days ago

Network Engineer (Senior) Emergent Technologies

Reston, Virginia

Emergent Technologies Inc., a veteran-owned IT and engineering services firm based in Herndon, VA, is seeking a skilled Network Engineer with at least six years of experience in network architecture, deployment, and support. With our comprehensive technological solutions, we aim to share our expertise to help these entities develop a strategic plan, ensure a seamless implementation process, and produce accurate and efficient results.

30+ days ago

C/C++ Software Engineer American Systems Corp

We are seeking a highly skilled C/C++ Software Engineer to support mission-critical Command, Control, Communications, Computers, and Intelligence (C4I) systems for U.S. Customs and Border Protection's Air and Marine Operations Center (AMOC). This role supports the Air and Marine Operations Surveillance System (AMOSS) and related ISR systems that provide real-time air and maritime domain awareness across national and international operating areas.

30+ days ago

Agile System Engineer III VTG.

Chantilly, VA

Agile System Engineer III provides technical leadership for systems engineering activities across Agile teams, ensuring mission alignment, architectural integrity, and delivery discipline. Bachelor's Degree in Systems Engineering, Engineering, Computer Science, or related field.

24 days ago

Cloud System Engineer SME Peraton Inc

Herndon, VA

$135,000–$216,000 / year

Demonstrated experience executing full lifecycle systems engineering for cloud and non-cloud-based systems, including developing, analyzing, tracing, and managing technical requirements; defining system interfaces; developing and maintaining architecture and design documentation; and supporting system integration, verification, and validation (V&V). As the world's leading mission capability integrator and transformative enterprise IT provider, we deliver trusted, highly differentiated solutions and technologies to protect our nation and allies.

2 days ago

Actionet, Inc. Careers - SR Network Engineer (Regional Lead. Net) ActioNet, Inc.

Vienna, VA

Degree: Technical BA/BS degree; Experience: 7 years with bachelor's degree; Commensurate: High School diploma or associate degree plus a minimum of 9 years performing as a Network Engineer on large, complex networks; Specific Skills: Proficient with MS Office Suite (Excel, Word, PowerPoint, Visio), AutoCAD; demonstrates excellent communication and interpersonal skills, with the ability to work effectively with their team and customers; Certification(s): CCNP or equivalent; CompTIA Security+; Clearance: Secret. ActioNet is a CMMI-DEV Level 4, CMMI-SVC Level 4, ISO 20000, ISO 27001, ISO 9001, HDI-certified, woman-owned IT solutions provider with 25+ years of stellar performance.

30+ days ago

Senior System Engineer- SharePoint & Tableau Synergy ECP

Sterling, Virginia

Work/Life Balance : A healthy work/life balance is essential for building and executing your work effectively at NSI/Synergy ECP, but it’s also necessary to allow you the room to pursue everything you want to develop in your personal life. NetServices (NSI) is an IT services firm with a long-standing reputation for delivering high-quality, cost-effective solutions to drive lasting results.

30+ days ago

Systems Engineer/Product Owner CACI

Sterling, Virginia

Must have experience with all stages of the Systems Engineering Lifecycle (SELC): Concept of Operations (CONOPS), requirements development, design, verification and validation testing, quality assurance, system integration, and operations support; including the development of requirements directly with stakeholders, as well as the development and execution of test plans/procedures. Responsible for the technical accuracy on software projects for specific customer programs, tracking delivery schedules, CDRL delivery, and performing factory acceptance testing of new hardware and software.

25 days ago

Network Engineer Systems Planning And Analysis, Inc.

Chantilly, VA

SPA provides eligible employees with an opportunity to enroll in a variety of benefit programs, generally including health insurance, flexible spending accounts, health savings accounts, retirement savings plans, life and disability insurance programs, and a number of programs that provide for both paid and unpaid time away from work. SPA is hiring a Network Engineer to provide design, implementation, monitoring, and management support of secure change-controlled local and wide area networks to ensure maximum uptime for users and mission.

29 days ago

Network Engineer Leidos

Chantilly, Virginia

September 18, 2026 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. 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.

12 days ago

Software Engineer Reinventing Geospatial

Dulles, VA

$115,000–$200,000 / year

Participate in daily standups, sprint and release planning activities, and coordinate with other team members (systems engineer, systems administrator, tester, etc.) to accomplish the tasks outlined in user stories. We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses and identifying potential inconsistencies or verification signals in application materials based on available information.

30+ days ago

Software Engineer Ennoble First

Herndon, VA

Quick Apply

Must have a customer approved security certification: DoD 8570 compliant: Security +, CISSP, SSCP, etc. Primary Responsibilities: Familiar with one or more of the following object oriented software languages: C#, Java, C++.

30+ days ago

Senior Network Engineer (CBP - Original) Agile Defense

Ashburn, Virginia

$120,000–$140,000 / year

Software Defined Wide Area Networking (SD-WAN): Design, implement, and maintain an SD-WAN solution that extends the principles of software-defined networking and supports multiple network transports (e.g., Dedicated Internet Access (DIA), Broadband Internet, MPLS, 4G/LTE/5G, and satellite) at remote sites. The Senior network engineer will be the technical lead performing the following: Network Engineering & Maintenance: Configure, deploy, and support enterprise-grade switches, routers, firewalls, VPN gateways, adhere to logging baselines and load balancers across DHS operational environments.

7 days ago

Wireless Network Engineer Science Applications International Corp

Stafford, VA

$120,001–$160,000 / year

SAIC is seeking a Wireless Network Engineer to design, integrate, and support enterprise wireless LAN/WAN over OSP/FTTx networks, engineer and implement GPON solutions (ONT, OLT, WDM) for Marine Corps installations. SME-level experience with Wireless LAN; strong knowledge of up to Wi-Fi 7 and Layer 2/Layer 3. Experience with Cisco-based wireless site surveys, network design, and implementation.

22 days ago

Network Engineer Nightwing Intelligence Solutions

Sterling, Virginia

$99,000–$206,000 / year

The engineer will collaborate with team members to develop and deploy distributed network architectures, create network diagrams and rack elevations, recommend hardware and software solutions, and implement network monitoring. Tasks include configuring and installing routers, switches, next generation firewalls (NGFW), security appliances, cabling, and other network devices at CONUS and OCONUS locations.

2 days ago

Lead DevSecOps Engineer General Dynamics Information Technology

Chantilly, Virginia

To ensure our employees are able to protect their income, other offerings such as short and long-term disability benefits, life, accidental death and dismemberment, personal accident, critical illness and business travel and accident insurance are provided or available. GDIT is seeking a Lead DevSecOps Engineer to drive the implementation and maturation of our unclassified engineering environment in support of a large-scale software development and modernization IDIQ program .

10 days ago

Quality Assurance Engineer PlanIT Group

Reston, VA

Quick Apply

A minimum of eight (8) years experience in software development, software quality assurance/control, and/or related field; • A degree from an accredited College/University in Software Engineering, Computer Science, or related discipline is preferred; • Able to perform all functional duties independently on high-visibility programs, or mission critical aspects of a given program; • Able to oversee the efforts of direct reporting resources and/or be responsible for the efforts of all staff assigned to a specific job; • Experience training/mentoring less experienced personnel; • Extensive knowledge of and experience with formal software testing for complex software applications; • Extensive experience testing software applications, identifying/documenting defects, and working with developers and end users to resolve defects; • Extensive experience with multiple defect tracking tools (e.g. Rational, Mercury); • Extensive experience authoring software-quality-related documentation such as requirements specifications, test plans, test cases, test scripts and test reports; • Able to obtain Postal clearance; • Excellent communication skills.

9 days ago

Machine Learning Engineer AeroVironment Inc

Centreville, VA

$102,000–$155,500 / year

The Machine Learning Engineer will be a member of the Learning and Active Perception (LEAP) group in AV's MacCready Works division and support the development of a variety of innovative computer vision capabilities (object detection, classification, localization, and tracking) and other image/video analytics for defense and commercial applications. Perform visual imagery data science to inform data collection, data labeling, and data selection for training deep computer vision ML algorithms, train the algorithms using the data, and validate data selection and algorithm design through a series of purpose-designed experiments.

7 days ago

Oracle Linux Systems Administrator - TS/SCI with Polygraph General Dynamics Information Technology

Chantilly, Virginia

To ensure our employees are able to protect their income, other offerings such as short and long-term disability benefits, life, accidental death and dismemberment, personal accident, critical illness and business travel and accident insurance are provided or available. Education: Bachelor’s degree in Computer Science or a related technical discipline, or the equivalent combination of education, technical certifications or training, or work experience.

23 days ago

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Systems Engineer Jobs in Warrenton, VA

Senior Backend Engineer Antithesis Operations LLC

Network Engineer - VERSA Surge Support Emergent Technologies

Network Engineer (Senior) Emergent Technologies

C/C++ Software Engineer American Systems Corp

Agile System Engineer III VTG.

Cloud System Engineer SME Peraton Inc

Actionet, Inc. Careers - SR Network Engineer (Regional Lead. Net) ActioNet, Inc.

Senior System Engineer- SharePoint & Tableau Synergy ECP

Systems Engineer/Product Owner CACI

Network Engineer Systems Planning And Analysis, Inc.

Network Engineer Leidos

Software Engineer Reinventing Geospatial

Software Engineer Ennoble First

Senior Network Engineer (CBP - Original) Agile Defense

Wireless Network Engineer Science Applications International Corp

Network Engineer Nightwing Intelligence Solutions

Lead DevSecOps Engineer General Dynamics Information Technology

Quality Assurance Engineer PlanIT Group

Machine Learning Engineer AeroVironment Inc

Oracle Linux Systems Administrator - TS/SCI with Polygraph General Dynamics Information Technology

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