UNKNOWN

FEED

There are differentiating factors that can impact a final salary/hourly rate, including, but not limited to, Contract Wage Determination, relevant work experience, skills and competencies that align to the specified role, geographic location (For Remote Opportunities), education and certifications as well as Federal Government Contract Labor categories. MANTECH's benefits offerings include, dependent upon position, Health Insurance, Life Insurance, Paid Time Off, Holiday Pay, short-term and long-term Disability, Retirement and Savings, Learning and Development opportunities, wellness programs as well as other optional benefit elections.

YEAR

Our Mission
Our mission is empowering our nation through a diverse and skilled workforce securely delivering innovative technology, consulting services and digital solutions for our customers’ mission success, every day.

Our Vision
Our vision is Securing the Future as the most trusted partner for U.S. Defense, Intelligence and Federal Civilian customers through the power of One ManTech. When these agencies think of an essential partner for their national and homeland security needs, they think ManTech.

Our Values
Our values are grounded in a bedrock of truth, integrity and caring for each other and the mission. We hold steadfast to:

• TRUST – We earn and protect the trust of our customers, employees and investors through an enduring foundation of respect, fairness, credibility and honoring our commitments, always.

• INCLUSION – We are an inclusive, diverse and talented workforce with a passion for mission success, intellectual capital, creativity and integrity. Our high ethical standards and investment in our people build confidence with our customers.

• QUALITY– We deliver exceptional quality to customers through differentiated technology solutions and an uncompromising focus on excellence, value and innovation.

ManTech International Corp

Data Engineer

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CoStar is investing heavily in artificial intelligence to accelerate software delivery, improve platform observability, automate research and business workflows, enhance product experiences through intelligent agents and skills, and improve data quality across enterprise systems. You will be part of various aspects of our data management, ranging from designing and maintaining automated data infrastructure and delivering Data engineering and Analytics solutions to facilitating data access and analysis for key company teams.

CoStar Group Inc

Senior Data Engineer - Homes.com - Arlington, VA

Work with product and software engineering teams to define tracking strategy and data requirements; design and build automated scripts using SQL or python to transform raw source data into datasets for use in front-end business products and for analysts across the company. CoStar is investing heavily in artificial intelligence to accelerate software delivery, improve platform observability, automate research and business workflows, enhance product experiences through intelligent agents and skills, and improve data quality across enterprise systems.

Senior Analytics Data Engineer - Homes.com

FWI is building a team to support the Department of War Comptroller and as a Data Engineer, you will play a crucial role in building and maintaining reliable datasets and analytics pipelines, using Python, SQL, R, Databricks, and Spark to improve data quality, availability, and reporting for mission-critical decision-making. As FWI's Data Engineer on the DA2I program, you'll collect, clean, and transform raw data into the trusted, well-governed datasets that power financial management decisions across the Department of War.

HOUR

FedWriters

FULL_TIME

Deep understanding of cloud platforms (AWS, GCP, Azure) and cloud-native data services:AWS (Redshift, Glue, S3)Azure (Synapse, Data Factory)GCP (BigQuery, Dataflow). Data Pipelines & ETL Development: Architect and develop end-to-end ETL/ELT pipelines for structured and unstructured data ingestion, processing, and transformation.

Insomniac Design

Senior Data Engineer

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We partner with independent cardiologists to help them lead population health efforts in their communities, equipping them with technology, data, and operational tools that turn complex insights into better care for patients. You will play a pivotal role in designing and implementing the data architecture that powers our core products, which provide actionable insights to cardiologists, care teams, and patients.

Chamber Cardio

Staff Data Engineer

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Salary: $110,000–$180,000 — Commensurate with experience Responsibilities Design, implement, and maintain network infrastructure supporting classified and unclassified enclaves. Our teams are comprised of successful people that enjoy solving problems, engaging in substantive technical discussions and have passion for their work.

Finch AI

Network Engineer

Five or more years of experience, or equivalent experience, building Azure infrastructure, with deep hands-on work in virtual networking, routing, network security groups, Azure Firewall, private endpoints, and private DNS. Implement network-layer access controls for platform administration, including management subnet reachability, administrative paths, and the reachability side of break-glass, in line with the program''s design.

Truetandem, LLC

Azure Network Engineer - Cleared (Polygraph)

Strong understanding of mobile network technology across 2G-5G generations, including signaling, voice, SMS, data services, and international roaming. In this role, you will support network operations on multiple levels, from monitoring and troubleshooting to tooling and designing, ensuring the network is well maintained and healthy.

Peraton drives missions of consequence spanning the globe and extending to the farthest reaches of the galaxy. As the world’s leading mission capability integrator and transformative enterprise IT provider, we deliver trusted and highly differentiated national security solutions and technologies that keep people safe and secure. Peraton serves as a valued partner to essential government agencies across the intelligence, space, cyber, defense, civilian, health, and state and local markets. Every day, our employees do the can’t be done, solving the most daunting challenges facing our customers.

Peraton

Senior Mobile Network Engineer

[AW]-iCims

ADAPTED_NOW

The AFNCR IT Services program provides support services for information systems for Headquarters Air Force (HAF), Air Force District of Washington (AFDW), Office of the Secretary of Defense (OSD), Joint Chiefs of Staff, and other Air Force activities within the AFNCR, missions to include the Pentagon, Joint Base Andrews (JBA), Joint Base Anacostia-Bolling (JBAB), and other locations, leased spaces, and alternate sites. Proven experience programming, maintaining, and managing Type-1 inline network encryptors (INE) at network points of presence, including management via GEM-X or adjacent DoD element managers.

KaylaTek

Below is a list of expectations the candidate must meet/provide for this effort: Major Duties and Responsibilities: Provide technical reviews of engineering design and implementation plans of network infrastructure modernization projects to ensure compliance with established network architecture. OBXtek is currently staffing for a Senior IT Systems/Network Engineer, supporting the Army’s Unified Network Modernization (UNM) and Installation Network Modernization (INM) organizations.

OBXtek Inc.

Senior IT Systems/Network Engineer - Fort Belvoir, VA

OBXtek

Below is a list of expectations the candidate must meet/provide for this effort: Major Duties and Responsibilities: Provide technical reviews of engineering design and implementation plans of network infrastructure modernization projects to ensure compliance with established network architecture. OBXtek is currently staffing for a Senior IT Systems/Network Engineer, supporting the Army's Unified Network Modernization (UNM) and Installation Network Modernization (INM) organizations.

OBXtek Inc

Senior IT Systems/Network Engineer Fort Belvoir, VA

Knowledgeable and experienced in various networking technologies, services and protocols that are typical of a large enterprise network including Ethernet, TCP/IP, SNMP, SMTP, DHCP/BootP, DNS, OSPF, ARP/RARP, VPNs, VLANs, BGP, Subnets, and Routing. You will contribute to both day-to-day network reliability and longer-term architectural planning, while working closely with member institutions, partner research and education networks, and internal stakeholders to support connectivity, service delivery, and network growth.

University System of Maryland Office

Senior Wide Area Network Engineer

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The Network Engineer Tier 3 will implement, provide, and monitor technical support of customer environments, conduct, and maintain inventories of client systems, support operating systems, desktop peripherals, software, core desktop applications and imaging of computers. The NNSA has multiple offices and facilities across the United States, with its headquarters in Washington D.C. These offices and facilities are responsible for various aspects of nuclear security, including stockpile management, nonproliferation, and nuclear security.

Zp Group Llc

Network Engineer Tier 3 (CLEARANCE REQUIRED)

You will work hands-on with modern open networking technologies - including Mellanox Spectrum hardware, Cumulus Linux, and Netris - to build and maintain a low-latency, highly automated data center fabric. In this role, you will own the design, implementation, and day-to-day management of the high-performance network infrastructure that powers our programmatic Demand-Side Platform - a real-time bidding environment where milliseconds matter and reliability is non-negotiable.

Aarki, Inc.

Network Engineer- Local Bay Area OR Virginia Candidates

CityStateCountryMontgomeryAlabamaUnited StatesFayettevilleArkansasUnited StatesLittle RockArkansasUnited StatesTempeArizonaUnited StatesIrvineCaliforniaUnited StatesSacramentoCaliforniaUnited StatesSan DiegoCaliforniaUnited StatesSan FranciscoCaliforniaUnited StatesDenverColoradoUnited StatesWethersfieldConnecticutUnited StatesWashingtonDistrict of ColumbiaUnited StatesCape CanaveralFloridaUnited StatesFort LauderdaleFloridaUnited StatesFort Walton BeachFloridaUnited StatesJacksonvilleFloridaUnited StatesNaplesFloridaUnited StatesNorth Miami BeachFloridaUnited StatesOrlandoFloridaUnited StatesPensacolaFloridaUnited StatesTampaFloridaUnited StatesAtlantaGeorgiaUnited StatesWest Des MoinesIowaUnited StatesChicagoIllinoisUnited StatesFort WayneIndianaUnited StatesIndianapolisIndianaUnited StatesLawrenceKansasUnited StatesFort CampbellKentuckyUnited StatesLouisvilleKentuckyUnited StatesBaton RougeLouisianaUnited StatesBostonMassachusettsUnited StatesBaltimoreMarylandUnited StatesRockvilleMarylandUnited StatesSilver SpringMarylandUnited StatesTroyMichiganUnited StatesKansas CityMissouriUnited StatesSt. At Jacobs, we're challenging today to reinvent tomorrow by solving the world's most critical problems for thriving cities, resilient environments, mission-critical outcomes, operational advancement, scientific discovery and cutting-edge manufacturing, turning abstract ideas into realities that transform the world for good.

Jacobs Solutions Inc

Civil 3D Design Engineer Data Centers

This role requires a hands‑on technical expert capable of evaluating existing systems and applications, documenting current‑state architectures, designing future‑state solutions, and executing end‑to‑end enhancements or technology modernization efforts. The ideal candidate is a technical leader who delivers, not just advises—someone who collaborates seamlessly across infrastructure, platform, application, DevSecOps, security, and data teams while maintaining accountability for system reliability, performance, scalability, and security.

SWIFT is a member-owned cooperative that provides the communications platform, products and services to connect more than 10,800 banking organisations, securities institutions and corporate customers in over 200 countries and territories. SWIFT enables its users to exchange automated, standardized financial information securely and reliably, thereby lowering costs, reducing operational risk and eliminating operational inefficiencies. SWIFT also brings the financial community together to work collaboratively to shape market practice, define standards and debate issues of mutual interest. SWIFT is headquartered in Belgium and has over 24 offices worldwide. In 2014 SWIFT processed more than 5.6 billion FIN messages.

Swift

SME Systems Engineer

Implement agentic and workflow automation features, including approved MCP server or tool integrations, schema validation, controlled tool calls, audit logging, human-approval checkpoints, and safe failure handling. The position works closely with Senior AI/ML Engineers, data engineers, developers, business analysts, project managers, and DOL stakeholders to deliver secure, measurable, and maintainable AI capabilities.

Swingtech

AI/ML Engineer (Mid-Level) - Hybrid (US Citizens/ Green Cards- Local to DMV only)

5-10 years experience with Electrical and Mechanical / HVAC equipment such as: UPS, Generators, Switchgears, PDUs, CRAC Units, DC Power Systems, CRAH Units, Chillers, Air handling units, computer grade cooling systems, CRAH Units, DC Power Systems, and building monitoring/control systems. Previous experience in the Military / Military veterans in all branches that have experience with Electrical / Mechanical is a huge plus - Navy Nukes that were part of the Navy Nuke Program - EMN, ETN, MMNs; Seabees; Army - Power Generation; Air Force – Power Production, Generator Techs, Maritime, Coast Guard, etc.).

Pkaza

Senior Data Center Facility Engineer

Crelate

This position is hybrid, reporting to the Herndon, VA office, and will support a geographically distributed infrastructure spanning on-premises, Azure Commercial, and Azure GCC High (GCCH) environments, with a strong focus on security and compliance, including CMMC requirements. Eligible employees also gain access to a wide range of benefits from comprehensive health coverage and health savings accounts to retirement plans, life and disability insurance, and time-off programs that support work-life balance.

Serco, Inc. is the North America division of Serco Group, plc, one of the world’s leading service companies. At Serco we serve every branch of the U.S. Military, federal, state and local governments, Canadian and provincial governments, as well as commercial customers. We are a leading provider of professional, technology, engineering, trades, and management services, and we support the public service areas of Defense, Citizen Services, and Transportation.
Headquartered in Herndon, Virginia, Serco has over 9,000 employees working at over 100 sites across the U.S. and Canada. Serco is a business where people and values matter. Our workplace culture is one that embraces diversity and fosters equity, respect, and belonging for every individual. Put simply, Serco is a place you can count on. We embody a holistic approach to wellbeing and offer our employees a suite of benefits that enable you to achieve your physical, emotional, financial, social, community and career goals.
Serco is a place where you can make a difference because every contribution matters. So while your place at Serco may vary depending on your role, we know you will find your place here. You are invited to come discover your place in our world.

Data Engineer Jobs in Manassas, VA

Data Engineer ManTech International Corp

Senior Data Engineer - Homes.com - Arlington, VA CoStar Group Inc

Senior Analytics Data Engineer - Homes.com CoStar Group Inc

Data Engineer FedWriters

Senior Data Engineer Insomniac Design

Staff Data Engineer Chamber Cardio

Network Engineer Finch AI

Azure Network Engineer - Cleared (Polygraph) Truetandem, LLC

Senior Mobile Network Engineer Peraton

Network Engineer KaylaTek

Senior IT Systems/Network Engineer - Fort Belvoir, VA OBXtek Inc.

Senior IT Systems/Network Engineer Fort Belvoir, VA OBXtek Inc

Senior Wide Area Network Engineer University System of Maryland Office

Network Engineer Tier 3 (CLEARANCE REQUIRED) Zp Group Llc

Network Engineer- Local Bay Area OR Virginia Candidates Aarki, Inc.

Civil 3D Design Engineer Data Centers Jacobs Solutions Inc

SME Systems Engineer Swift

AI/ML Engineer (Mid-Level) - Hybrid (US Citizens/ Green Cards- Local to DMV only) Swingtech

Senior Data Center Facility Engineer Pkaza

Network Engineer (Hybrid - Herndon, VA) Serco Group plc

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