QA Engineer jobs in Chantilly hiring now at vetted startups and product companies on Alion, updated daily. Average salary around $195,063/year. Compare remote, hybrid and on-site positions with relocation and visa sponsorship. Browse and apply today.
grvty.com • HQ: Tysons, United States • Intelligence • National Security • 1001-5000 employees • Est. 2025 • Trust B • Hiring 143, 12 new
HQ: Tysons, United States • Intelligence • National Security • 1001-5000 employees • Est. 2025 • Trust B • Hiring 143, 12 new
GRVTY is a US national security company that delivers mission and technical expertise in space, spectrum and cyber to defence and intelligence customers. Its programs involve software development on large-scale data platforms, GEOINT collection and analysis, signals intelligence training and vulnerability research, with work performed at customer sites such as Herndon and Springfield in Virginia and Annapolis Junction in Maryland. It hires cleared software engineers, big data analysts, Android and iOS developers, UI/UX developers, test and integration engineers, GEOINT analysts and technical training instructors, most roles requiring TS/SCI clearance.
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 24, 9 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 24, 9 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.
umaritime.com • HQ: Braintree, United States • C4ISR • Naval Systems • 1001-5000 employees • Trust A • Hiring 53, 2 new
HQ: Braintree, United States • C4ISR • Naval Systems • 1001-5000 employees • Trust A • Hiring 53, 2 new
Ultra Maritime is a naval defense technology company headquartered in Braintree, Massachusetts, that develops sonobuoys and receivers, towed, deployable and hull-mounted sonar, torpedo nose arrays and countermeasures, radars and electronic warfare systems for anti-submarine and undersea warfare. Formerly part of the UK group Ultra Electronics, it supplies the US Navy and allied navies from sites in Braintree, Victor (New York), Wake Forest (North Carolina), Chantilly (Virginia), Dartmouth (Nova Scotia), Greenford in England and Adelaide. It hires mechanical, electrical, software, manufacturing and quality engineers, test and quality technicians, graduates and production supervisors.
≈ $75k – $146k per year (Estimated) • Middle • 4+ years exp • In office (Chantilly, United States) • Full-Time • Citizenship or vetting required • Middle
leidos.com • HQ: Reston, United States • C4ISR • National Security • Engineering Services • Defense Manufacturing • Systems Integrators • 5000+ employees • Est. 2013 • IT services • Trust B • Hiring 1549, 68 new
HQ: Reston, United States • C4ISR • National Security • Engineering Services • Defense Manufacturing • Systems Integrators • 5000+ employees • Est. 2013 • IT services • Trust B • Hiring 1549, 68 new
Leidos is an American technology and engineering services company created in 2013 when Science Applications International Corporation split in two, with Leidos taking the technical services and solutions business. It is one of the largest suppliers to the United States government, working across defence programmes, intelligence systems, civil agencies including the Federal Aviation Administration, and healthcare services for the Department of Veterans Affairs. Headquartered in Reston, Virginia, the company also builds security detection products for airports and borders, and has concentrated recent investment on trusted artificial intelligence and autonomy for mission environments.
peraton.com • HQ: Reston, United States • Systems Integrators • Information Security • Homeland Security • National Security • 1001-5000 employees • Est. 2017 • Trust A • Hiring 925, 113 new
HQ: Reston, United States • Systems Integrators • Information Security • Homeland Security • National Security • 1001-5000 employees • Est. 2017 • Trust A • Hiring 925, 113 new
Peraton is an American national security and technology company that provides systems engineering, IT modernisation, cyber, space and communications services to defense, intelligence, homeland security, civil and health agencies of the US government. Formed in 2017 by Veritas Capital and enlarged in 2021 through the acquisitions of the federal IT and mission support business of Northrop Grumman and of Perspecta, it employs tens of thousands of people across the United States. The company is headquartered in Reston, Virginia, United States.
gdit.com • HQ: Falls Church, United States • National Security • Digital Government • IT Consulting & Digital Transformation • Systems Integrators • 5000+ employees • Est. 2006 • Trust A • Hiring 1820, 126 new
HQ: Falls Church, United States • National Security • Digital Government • IT Consulting & Digital Transformation • Systems Integrators • 5000+ employees • Est. 2006 • Trust A • Hiring 1820, 126 new
General Dynamics Information Technology, known as GDIT, is the technology services division of the defence contractor General Dynamics and one of the largest suppliers of IT to the United States federal government. It designs, builds and operates networks, cloud environments, cybersecurity and mission applications for defence, intelligence, homeland security and civilian agencies, work that requires a very large security-cleared workforce. The division roughly doubled in scale through the 2018 acquisition of CSRA, and has since concentrated on cloud migration, zero trust architecture and applying artificial intelligence inside accredited government environments.
saic.com • HQ: Reston, United States • Engineering Services • Digital Government • Systems Integrators • 5000+ employees • Est. 2013 • Trust B • Hiring 694, 137 new
HQ: Reston, United States • Engineering Services • Digital Government • Systems Integrators • 5000+ employees • Est. 2013 • Trust B • Hiring 694, 137 new
SAIC delivers technology integration and mission services to government agencies. Its work spans enterprise information technology, space systems, engineering and digital modernisation. The company is one of the largest federal services contractors.
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.
boozallen.com • HQ: McLean, United States • Intelligence • Management Consulting • National Security • IT Consulting & Digital Transformation • 5000+ employees • Est. 1914 • IT services • Trust A • Hiring 1499, 96 new
HQ: McLean, United States • Intelligence • Management Consulting • National Security • IT Consulting & Digital Transformation • 5000+ employees • Est. 1914 • IT services • Trust A • Hiring 1499, 96 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.
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 1848, 77 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 1848, 77 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.
redhorsecorp.com • HQ: Arlington, United States • Defense AI • National Security • Analytics & BI Consulting • IT Consulting & Digital Transformation • 201-500 employees • Est. 2008 • Trust B • Hiring 61, 4 new
HQ: Arlington, United States • Defense AI • National Security • Analytics & BI Consulting • IT Consulting & Digital Transformation • 201-500 employees • Est. 2008 • Trust B • Hiring 61, 4 new
Redhorse Corporation is a US government services contractor headquartered in Arlington, Virginia, that provides data analytics, artificial intelligence, cybersecurity, digital transformation and mission support to national security, intelligence and law enforcement agencies. Founded in 2008 by retired Marine Corps colonel David Inman and led by chief executive Noah Klemm, it acquired Allied Associates International and supports clients such as the Chief Digital and AI Office, the Air Force and the Department of Energy. It hires program managers, software and data engineers, cybersecurity engineers, intelligence and policy analysts, instructional designers and administrative staff.
freedomconsultinggroup.com • HQ: Columbia, United States • Data Engineering & Migration Services • Information Security • Cloud Consulting & Migration • IT Consulting & Digital Transformation • Trust B • Hiring 92, 2 new
HQ: Columbia, United States • Data Engineering & Migration Services • Information Security • Cloud Consulting & Migration • IT Consulting & Digital Transformation • Trust B • Hiring 92, 2 new
Freedom Consulting Group is an American technology services company that works almost entirely for United States intelligence and defence customers. Its engineers build and operate cloud infrastructure, data platforms, software and cybersecurity systems inside classified environments, with a particular concentration in Amazon Web Services work for the intelligence community. Headquartered in Columbia, Maryland with offices in northern Virginia, it employs cleared staff almost exclusively, which is both the barrier to entry in its market and the constraint on how quickly it can grow.
twosixtech.com • HQ: Arlington, United States • National Security • Intelligence • Electronic Warfare • Cyber Warfare • 1001-5000 employees • Est. 2021 • Trust B • Hiring 58
HQ: Arlington, United States • National Security • Intelligence • Electronic Warfare • Cyber Warfare • 1001-5000 employees • Est. 2021 • Trust B • Hiring 58
Two Six Technologies is an American company formed in 2021 when the private equity firm Carlyle combined the national security business of IST Research with parts of Two Six Labs. It builds cyber capabilities, electronic warfare systems, information operations tooling and research prototypes for United States defence and intelligence customers, sitting closer to research than to traditional systems integration. Headquartered in Arlington, Virginia, it employs mostly cleared engineers and researchers, and much of its work involves turning DARPA-funded research into systems operational units can actually deploy.
analyticservicesinc.com • HQ: Falls Church, United States • Homeland Security • Think Tanks & Policy Research • 201-500 employees • Est. 1958 • Trust B • Hiring 45, 2 new
HQ: Falls Church, United States • Homeland Security • Think Tanks & Policy Research • 201-500 employees • Est. 1958 • Trust B • Hiring 45, 2 new
ANSER, whose legal name is Analytic Services, is a not-for-profit research and analysis organisation based in Falls Church, Virginia, supporting US national and homeland security agencies with independent analysis. Established in 1958 for public service rather than profit, it works for defense clients such as the office of the Department of War Chief Information Officer, with most staff on site in secure facilities around Washington, DC. It hires military operations, deception and information planners, systems and test engineers, computer scientists, cybersecurity specialists, financial and budget analysts, policy analysts and technical writers.
