Herndon jobs in Herndon hiring now at vetted startups and product companies on Alion, updated daily. Average salary around $210,628/year. Compare remote, hybrid and on-site positions with relocation and visa sponsorship. Browse and apply today.
caci.com · HQ: Reston, United States · Data & Analytics · Cybersecurity · Military · National Security · IT Consulting & Digital Transformation · Intelligence · Electronic Warfare · 5000+ employees · Est. 1962 · IT services · Trust D · Hiring 1349, 99 new
HQ: Reston, United States · Data & Analytics · Cybersecurity · Military · National Security · IT Consulting & Digital Transformation · Intelligence · Electronic Warfare · 5000+ employees · Est. 1962 · IT services · Trust D · Hiring 1349, 99 new
CACI International is an American technology company founded in 1962 that works almost entirely for United States defence, intelligence and federal civilian agencies. It has moved from being a conventional IT services contractor toward supplying its own technology, with a substantial expeditionary electronic warfare and signals intelligence product line, photonics and optical communications for space, and secure network modernisation. Headquartered in Reston, Virginia, the company employs more than twenty thousand people, the majority holding security clearances, and has grown through a steady programme of acquisitions that add differentiated technology rather than headcount alone.
gdmissionsystems.com · HQ: Fairfax, United States · Military · Cybersecurity · C4ISR · Defense Manufacturing · National Security · 1001-5000 employees · Est. 2015 · Trust A · Hiring 599, 147 new
HQ: Fairfax, United States · Military · Cybersecurity · C4ISR · Defense Manufacturing · National Security · 1001-5000 employees · Est. 2015 · Trust A · Hiring 599, 147 new
General Dynamics Mission Systems is the business unit of defense contractor General Dynamics that builds C4ISR, secure communications, cybersecurity, electronic warfare and mission systems for land, sea, air, space and cyber operations, with headquarters in Fairfax, Virginia. Formed in 2015 by merging two General Dynamics units, it employs more than 12,000 people at sites such as Pittsfield and Dedham in Massachusetts, Scottsdale in Arizona and Manassas in Virginia. Recruiting centers on ASIC and FPGA, embedded software, electrical, mechanical and systems engineers, test staff, manufacturing technicians and interns.
$173k – $187k per year · Senior · 8+ years exp · In office (Herndon, United States) · Bachelor's Degree · Top Secret · Citizenship or vetting required · Staff
$124k – $132k per year · Senior · 5+ years exp · In office (Herndon, United States) · Bachelor's Degree · TS/SCI · Citizenship or vetting required · Senior
l3harris.com · HQ: Melbourne, United States · C4ISR · Military Satellites · Electronic Warfare · Military Communication · Defense Manufacturing · 5000+ employees · Est. 2019 · Trust A · Hiring 1518, 162 new
HQ: Melbourne, United States · C4ISR · Military Satellites · Electronic Warfare · Military Communication · Defense Manufacturing · 5000+ employees · Est. 2019 · Trust A · Hiring 1518, 162 new
L3Harris Technologies is an American defense contractor formed in 2019 by the merger of L3 Technologies and Harris Corporation. It builds tactical radios and military communication systems, electronic warfare and intelligence, surveillance and reconnaissance equipment, space sensors and satellites, night vision devices, and uncrewed surface vessels, and owns the rocket engine maker Aerojet Rocketdyne. Its main customers are the United States Department of Defense and allied governments. The company is headquartered in Melbourne, Florida, United States.
airbus.com · HQ: Blagnac, France · Defense Manufacturing · Satellite Manufacturing · Aerospace Manufacturing · Aircraft Manufacturing · 5000+ employees · Est. 1970 · Trust B · Hiring 2627, 251 new
HQ: Blagnac, France · Defense Manufacturing · Satellite Manufacturing · Aerospace Manufacturing · Aircraft Manufacturing · 5000+ employees · Est. 1970 · Trust B · Hiring 2627, 251 new
Airbus is a European aerospace group formed in 1970 as a consortium of French, German, British and Spanish manufacturers to build a competitor to the American aircraft industry, and now the largest commercial aircraft maker in the world. Its passenger jets run from the A220 through the best-selling A320 family to the A350 widebody, built in an unusual pan-European industrial system where major sections are made in different countries and flown to final assembly lines. Beyond airliners it is the largest civil helicopter maker, builds telecommunications and observation satellites, and supplies military aircraft including the A400M transport.
≈ $152k – $314k per year (Estimated) · Equity · Lead · 10+ years exp · In office (Herndon, Grand Prairie, Atlanta, Miami, United States) · Relocation · Bachelor's Degree · Full-Time · Staff · English
parsons.com · HQ: Chantilly, United States · Civil & Structural Engineering · C4ISR · Engineering Services · Homeland Security · 5000+ employees · Est. 1944 · NYSE: PSN · Trust B · Hiring 1376, 162 new
HQ: Chantilly, United States · Civil & Structural Engineering · C4ISR · Engineering Services · Homeland Security · 5000+ employees · Est. 1944 · NYSE: PSN · Trust B · Hiring 1376, 162 new
Parsons Corporation is a technology-driven defense, intelligence, and critical infrastructure engineering enterprise. The company focuses on delivering advanced cybersecurity, missile defense and space ground systems, geospatial intelligence, environmental remediation, and complex civil infrastructure engineering for transportation, aviation, bridges, and water systems.
≈ $47k – $82k per year (Estimated) · Junior · 2+ years exp · In office (Chantilly, Herndon, United States) · Relocation · High School Diploma · Full-Time · TS/SCI · Citizenship or vetting required · Junior
avalore.ai · HQ: Arlington, United States · Data Engineering & Migration Services · Intelligence · Systems Integrators · 1001-5000 employees · Trust A · Hiring 78, 10 new
HQ: Arlington, United States · Data Engineering & Migration Services · Intelligence · Systems Integrators · 1001-5000 employees · Trust A · Hiring 78, 10 new
Avalore is a US defense and intelligence technology contractor based in Arlington, Virginia that provides data science, data engineering, software development, cloud and cybersecurity services to Department of War and intelligence community customers. Its programs include work on a War Data Platform, imagery and data exploitation, ISR analysis and machine learning support, with staff in Arlington, Chantilly, Springfield and Herndon, Virginia and Annapolis Junction, Maryland, and many positions require security clearances. It hires data scientists and exploitation specialists, data architects, software, platform and cloud engineers, cybersecurity staff and ISR staff officers.
boozallen.com · HQ: McLean, United States · Intelligence · Management Consulting · National Security · IT Consulting & Digital Transformation · 5000+ employees · Est. 1914 · IT services · Trust A · Hiring 1527, 166 new
HQ: McLean, United States · Intelligence · Management Consulting · National Security · IT Consulting & Digital Transformation · 5000+ employees · Est. 1914 · IT services · Trust A · Hiring 1527, 166 new
Booz Allen Hamilton is an American consulting firm founded in 1914 that has spent most of the past century working for the United States government, and today derives almost all of its revenue from federal clients. It supplies technology and mission services to defence, intelligence, civil and health agencies, covering systems engineering, cyber operations, data platforms and increasingly artificial intelligence deployed inside classified environments. Headquartered in McLean, Virginia and listed on the New York Stock Exchange, it employs tens of thousands of security-cleared staff and competes with the other large federal services contractors for multi-year programme awards.
node.digital · HQ: Leesburg, United States · AI Agents · Workflow & Process Automation (RPA, BPM) · 51-200 employees · Trust B · Hiring 13
HQ: Leesburg, United States · AI Agents · Workflow & Process Automation (RPA, BPM) · 51-200 employees · Trust B · Hiring 13
Node.Digital is a digital automation and AI engineering firm based in Leesburg, Virginia, that builds intelligent automation, agentic AI, AI-powered software delivery, document processing and data fusion solutions for government and commercial clients. It pairs solution accelerators with forward-deployed engineers, and works largely on federal programs through contract vehicles, with staff in Northern Virginia, Washington and Texas. Hiring centers on RPA and UiPath developers, AI/ML engineers and data scientists, data architects, cloud and DevOps engineers, cyber and forensic analysts, incident managers and program managers.
netimpactstrategies.com · HQ: Herndon, United States · Management Consulting · Digital Government · IT Consulting & Digital Transformation · 501-1000 employees · Est. 2009 · Hiring 22, 1 new
HQ: Herndon, United States · Management Consulting · Digital Government · IT Consulting & Digital Transformation · 501-1000 employees · Est. 2009 · Hiring 22, 1 new
NetImpact Strategies is an American technology consulting firm that serves federal government and public sector clients. It provides digital transformation, cloud, ServiceNow platform implementation, enterprise IT and management consulting services that support agency missions and operations. Founded in 2009, the company is headquartered in Herndon, Virginia, United States.
theswiftgroup.com · HQ: Reston, United States · Military · Government · National Security · Homeland Security · 1001-5000 employees · Trust A · Hiring 104, 1 new
HQ: Reston, United States · Military · Government · National Security · Homeland Security · 1001-5000 employees · Trust A · Hiring 104, 1 new
Headquartered in Reston, Virginia, United States, The Swift Group is a national security technology and mission support contractor specializing in advanced engineering and operational advisory for the defense and intelligence sectors. The enterprise delivers tailored technical capabilities spanning high-performance computing (HPC) research and systems architecture, custom software development, applied data science, cyber enablement, advanced energetics, and operator-led tactical training.
t-mobile.com · HQ: Bellevue, United States · Broadband · Mobile Networks · 5000+ employees · Est. 2001 · Trust B · Hiring 1604, 170 new
HQ: Bellevue, United States · Broadband · Mobile Networks · 5000+ employees · Est. 2001 · Trust B · Hiring 1604, 170 new
T-Mobile US is a major American telecommunications carrier headquartered in Bellevue, Washington, operating as a publicly traded subsidiary majority-owned by Deutsche Telekom. The company provides nationwide wireless voice, data, and 5G mobile services alongside fixed wireless home internet to over 140 million subscribers. Known for its consumer-centric "Un-carrier" strategy, T-Mobile delivers connectivity through its flagship brand as well as prepaid subsidiaries like Metro by T-Mobile and Mint Mobile.
amtechies.com · Suitland · Herndon · Springfield · Sterling · 51-200 employees · Est. 2014 · Hiring 11, 1 new
Suitland · Herndon · Springfield · Sterling · 51-200 employees · Est. 2014 · Hiring 11, 1 new
A&M .. A one team approach with our customers and industry partners to synergize diverse ideas, skill sets, and experience to tackle our customer's biggest IT challenges.
eplus.com · HQ: Herndon, United States · Managed IT Services (MSP) · Systems Integrators · IT Resellers & VARs · Est. 1990 · NASDAQ: PLUS · Trust B · Hiring 54, 7 new
HQ: Herndon, United States · Managed IT Services (MSP) · Systems Integrators · IT Resellers & VARs · Est. 1990 · NASDAQ: PLUS · Trust B · Hiring 54, 7 new
ePlus is an IT solutions provider headquartered in Herndon, Virginia, that sells and delivers technology across AI infrastructure, security, cloud, collaboration, data center and networking, backed by professional and managed services and financing. The company is listed on the Nasdaq under the ticker PLUS, operates in the United States, the United Kingdom, Europe and Asia-Pacific, includes the Bailiwick services business and in August 2026 acquired the assets of Daymark Solutions to expand its Microsoft cloud services. It hires account executives, presales solutions architects, systems engineers, configuration center technicians and service coordinators.
bcore.com · McLean · Springfield · Saint Louis · Reston · Herndon · Intelligence · IT Consulting & Digital Transformation · 201-500 employees · Hiring 52, 6 new
McLean · Springfield · Saint Louis · Reston · Herndon · Intelligence · IT Consulting & Digital Transformation · 201-500 employees · Hiring 52, 6 new
Bcore is an American defense and intelligence contractor delivering enterprise IT, cloud, DevSecOps, systems engineering, software development and intelligence analysis to national security customers. Organised into Insight Solutions, Labs and Mission Services divisions, it staffs programs in Northern Virginia, including Herndon, Chantilly, McLean and Springfield, and in Saint Louis, Missouri, where many roles require TS/SCI clearance. Openings include ServiceNow, cloud, HPC and DevSecOps engineers, systems administrators, cyber security systems engineers, software and Python developers, UI and UX designers, technical writers and project managers.
avertra.com · HQ: Amman, Jordan · Custom Software Development · Energy Management · Hiring 5
HQ: Amman, Jordan · Custom Software Development · Energy Management · Hiring 5
Since 2007, we've been driven by one mission: to simplify life. Over the years, we've expanded our reach across many cultures and geographies, ultimately recognizing that people share core needs- from access to trusted digital services to clean water and stable power. Guided by our diverse perspectives and foundational pillars; empathy, science, strategy, and technology, we create experiences that empower communities and connect people to what matters most.
j5consulting.co · HQ: Bowie, United States · Information Technology · IT Infrastructure & Networking Services · IT Consulting & Digital Transformation · 201-500 employees · Est. 2006 · Hiring 64
HQ: Bowie, United States · Information Technology · IT Infrastructure & Networking Services · IT Consulting & Digital Transformation · 201-500 employees · Est. 2006 · Hiring 64
Founded in 2006, J5 Consulting is an information technology and cybersecurity consulting firm headquartered in Bowie, Maryland. Drawing on extensive experience supporting federal government, defense, and commercial enterprises, the company delivers mission-critical IT modernization, enterprise architecture, and cyber defense solutions. Its core service offerings span governance, risk management, and compliance (GRC) audits aligned with NIST and CMMC frameworks, multi-cloud security engineering across AWS and Azure, vulnerability assessments, and continuous monitoring designed to safeguard sensitive assets and maintain regulatory compliance.
ardentprinciples.com · HQ: Chantilly, United States · IT Staffing & Staff Augmentation · AI Consulting & Integration · Data Engineering & Migration Services · Custom Software Development · 51-200 employees · Trust A · Hiring 25, 8 new
HQ: Chantilly, United States · IT Staffing & Staff Augmentation · AI Consulting & Integration · Data Engineering & Migration Services · Custom Software Development · 51-200 employees · Trust A · Hiring 25, 8 new
Ardent Principles is an American information technology services firm in the Washington DC area that offers data science, data engineering, software engineering, AI solutions, cybersecurity, staff augmentation and IT program management to its clients. It was founded by chief executive Robert McCauley, a Howard University computer science graduate with more than two decades in IT, and most of its openings are in Northern Virginia, chiefly Chantilly, McLean, Herndon and Reston. It hires software developers in Java, Spring Boot and ServiceNow, data scientists, machine learning and AI engineers, cloud, network and Linux engineers, cyber security engineers and systems architects.
hpe.com · HQ: Spring, United States · Cloud Platforms (IaaS & PaaS) · High-Performance Computing · Network Equipment · Enterprise Storage Systems · Servers & Data Center Hardware · 5000+ employees · Est. 2015 · Trust B · Hiring 1309, 154 new
HQ: Spring, United States · Cloud Platforms (IaaS & PaaS) · High-Performance Computing · Network Equipment · Enterprise Storage Systems · Servers & Data Center Hardware · 5000+ employees · Est. 2015 · Trust B · Hiring 1309, 154 new
Hewlett Packard Enterprise is a global technology company specializing in edge-to-cloud solutions, enterprise IT infrastructure, and intelligent software services. Formed in 2015 following the division of Hewlett-Packard Company, the organization offers servers, storage, high-performance computing, and networking capabilities through flexible consumption models like its GreenLake platform. Headquartered in Spring, Texas, the enterprise operates internationally to help commercial and public-sector clients secure, manage, and modernize their digital infrastructure.
darkwolf.io · HQ: Herndon, United States · Managed Security · Custom Software Development · DevSecOps · Information Security · 1001-5000 employees · Trust B · Hiring 64, 1 new
HQ: Herndon, United States · Managed Security · Custom Software Development · DevSecOps · Information Security · 1001-5000 employees · Trust B · Hiring 64, 1 new
Dark Wolf Solutions is a specialized technology services provider offering cybersecurity, DevSecOps, and custom software engineering solutions. The company delivers advanced digital capabilities, threat intelligence, and risk management services to defense agencies, intelligence clients, and commercial enterprises. Headquartered in Herndon, Virginia, it operates across multiple locations to support mission-critical systems and complex IT environments.
