Machine Learning Engineer jobs in McLean hiring now at vetted startups and product companies on Alion, updated daily. Average salary around $236,754/year. Compare remote, hybrid and on-site positions with relocation and visa sponsorship. Browse and apply today.
mitre.org · HQ: McLean, United States · Research Institutes · 5000+ employees · Est. 1958 · Hiring 330, 33 new
HQ: McLean, United States · Research Institutes · 5000+ employees · Est. 1958 · Hiring 330, 33 new
MITRE is an American not for profit corporation that operates federally funded research and development centres for United States government agencies. Its artificial intelligence work spans model assurance, adversarial machine learning and the widely used ATLAS knowledge base of attacks against machine learning systems. The organisation advises defence, aviation, health and cybersecurity agencies and deliberately holds no commercial products of its own; its centres also maintain the ATT&CK framework that security teams everywhere rely on.
$98k – $122k per year · Junior · 1+ year exp · In office (McLean, United States) · Bachelor's Degree · Full-Time · Top Secret · Citizenship or vetting required · Junior
boozallen.com · HQ: McLean, United States · Intelligence · Management Consulting · National Security · IT Consulting & Digital Transformation · 5000+ employees · Est. 1914 · IT services · Trust B · Hiring 1490, 103 new
HQ: McLean, United States · Intelligence · Management Consulting · National Security · IT Consulting & Digital Transformation · 5000+ employees · Est. 1914 · IT services · Trust B · Hiring 1490, 103 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.
$69k – $158k per year · Senior · 6+ years exp · In office (McLean, United States) · Bachelor's Degree · Full-Time · Public Trust · Citizenship or vetting required · Senior
capitalone.com · HQ: McLean, United States · Leasing, Auto & Equipment Finance · Commercial & Retail Banks · Cards & Card Issuing · 5000+ employees · Est. 1994 · Trust B · Hiring 1537, 111 new
HQ: McLean, United States · Leasing, Auto & Equipment Finance · Commercial & Retail Banks · Cards & Card Issuing · 5000+ employees · Est. 1994 · Trust B · Hiring 1537, 111 new
Capital One is an American bank founded in 1994 that began as a credit card monoline built on statistical testing of offers and pricing, an approach it called information-based strategy. It is now one of the largest card issuers in the United States alongside a national direct bank, an auto lending business and a commercial bank, and it completed the acquisition of Discover in 2025, which gave it a payments network of its own rather than dependence on Visa and Mastercard. Headquartered in McLean, Virginia, it was also an early mover among large banks in migrating its entire technology estate to the public cloud.
$263k – $300k per year · Senior · 5+ years exp · Hybrid (New York, San Francisco, McLean, Cambridge, San Jose, United States) · Master's Degree · Full-Time · Senior
$230k – $262k per year · Senior · 6+ years exp · Hybrid (New York, San Francisco, McLean, Cambridge, San Jose, United States) · Bachelor's Degree · Full-Time · Senior
redcellpartners.com · HQ: McLean, United States · Venture Capital · Angel Networks & Startup Accelerators · 51-200 employees · Est. 2020 · Hiring 36, 8 new
HQ: McLean, United States · Venture Capital · Angel Networks & Startup Accelerators · 51-200 employees · Est. 2020 · Hiring 36, 8 new
Red Cell Partners is a venture studio and investment firm headquartered in McLean, Virginia, that was founded in 2020. The organization focuses on building, launching, and scaling technology-led companies by providing operational expertise and capital to startups within its portfolio. Its primary practice areas include healthcare, cybersecurity, and national security, where it develops and scales companies to address complex infrastructure and defense challenges.
hilton.com · HQ: McLean, United States · Hotels & Resorts · 5000+ employees · Est. 1919 · Trust A · Hiring 3209, 248 new
HQ: McLean, United States · Hotels & Resorts · 5000+ employees · Est. 1919 · Trust A · Hiring 3209, 248 new
Hilton is an American hotel company headquartered in McLean, Virginia, founded in 1919 when Conrad Hilton bought his first hotel in Cisco, Texas. It manages and franchises more than 8,000 properties in over 120 countries and territories under brands such as Waldorf Astoria, Conrad, Hilton, DoubleTree, Embassy Suites and Hampton by Hilton. The company runs the Hilton Honors loyalty programme and is listed on the New York Stock Exchange.
cognizant.com · HQ: Teaneck, United States · Cloud Consulting & Migration · Engineering Services · IT Outsourcing & Dedicated Teams · IT Consulting & Digital Transformation · Systems Integrators · 5000+ employees · Est. 1994 · IT services · Trust A · Hiring 1354, 230 new
HQ: Teaneck, United States · Cloud Consulting & Migration · Engineering Services · IT Outsourcing & Dedicated Teams · IT Consulting & Digital Transformation · Systems Integrators · 5000+ employees · Est. 1994 · IT services · Trust A · Hiring 1354, 230 new
Cognizant is an American information technology services and consulting company founded in 1994 as an in-house technology unit of Dun and Bradstreet in Chennai, India, and headquartered in Teaneck, New Jersey. It builds, integrates and operates software and infrastructure for large enterprises, with particularly deep positions in healthcare, financial services, insurance and life sciences, delivered by a global workforce of more than three hundred thousand people concentrated in India. Listed on Nasdaq, the company competes with the large Indian and global systems integrators and has reoriented its offerings around cloud migration, data platforms and AI-assisted engineering.
Headquartered in London, United Kingdom, EY (Ernst & Young) is a multinational professional services network and one of the "Big Four" accounting firms. The organization provides financial assurance and auditing, tax advisory, management and technology consulting, and strategy and transactions advisory through its EY-Parthenon arm. Operating across more than 150 countries, it delivers risk management, digital transformation, data analytics, and regulatory compliance solutions to multinational corporations, financial institutions, and government entities worldwide.
credence.ai · HQ: Tysons, United States · Information Security · National Security · IT Consulting & Digital Transformation · AI Consulting & Integration · 1001-5000 employees · IT services · Trust B · Hiring 82, 15 new
HQ: Tysons, United States · Information Security · National Security · IT Consulting & Digital Transformation · AI Consulting & Integration · 1001-5000 employees · IT services · Trust B · Hiring 82, 15 new
Credence is a US government services contractor headquartered in Tysons, Virginia, that provides AI, cloud, data, cybersecurity and modernization services alongside logistics, intelligence, engineering and mission support for defense, health and foreign assistance agencies. The firm reports more than 1,700 team members and over 100 prime contracts, holds vehicles such as GSA OASIS+ and GSA Alliant 3, and supports F-16 and B-2 programs of the Air Force Life Cycle Management Center. It hires systems and avionics engineers, cybersecurity specialists, data and AI engineers, program managers, intelligence planners and administrative staff, many requiring security clearances.
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 16, 1 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 16, 1 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.
gci.tech · HQ: Reston, United States · Cyber Warfare · Intelligence · National Security · 1001-5000 employees · Est. 1989 · Trust B · Hiring 37
HQ: Reston, United States · Cyber Warfare · Intelligence · National Security · 1001-5000 employees · Est. 1989 · Trust B · Hiring 37
GCI is an American engineering and IT services company supporting national security and intelligence customers. Established in 1989, it provides data analytics, software development, cyber operations, targeting and analysis, operations and training, hiring cleared AI/ML engineers, software engineers and cyber analysts. The company is headquartered in Reston, Virginia, United States.
idme.com · HQ: McLean, United States · Identity Management · 501-1000 employees · Est. 2010 · Trust A · Hiring 45, 4 new
HQ: McLean, United States · Identity Management · 501-1000 employees · Est. 2010 · Trust A · Hiring 45, 4 new
ID.me is a digital identity company headquartered in McLean, Virginia, whose identity wallet lets people verify who they are once and then sign in across government, healthcare and commercial websites. More than 152 million members use it at 20 federal agencies, 45 state agencies, over 70 healthcare organizations and more than 600 consumer brands, and it is certified as a NIST 800-63 IAL2 and AAL2 credential service provider, with further offices in Mountain View, New York and Tampa. It hires staff and principal software engineers, quality and data platform engineers, account executives and managers, revenue operations and legal staff.
jpmorganchase.com · HQ: New York, United States · Wealth Management & Financial Advisors · Asset Management & Funds · Investment Banking & M&A Advisory · Commercial & Retail Banks · 5000+ employees · Est. 1799 · Trust A · Hiring 3331, 196 new
HQ: New York, United States · Wealth Management & Financial Advisors · Asset Management & Funds · Investment Banking & M&A Advisory · Commercial & Retail Banks · 5000+ employees · Est. 1799 · Trust A · Hiring 3331, 196 new
JPMorganChase is the largest bank in the United States by assets and one of the most systemically important financial institutions in the world, with a lineage running back through more than a thousand predecessor firms to the 1799 founding of the Bank of the Manhattan Company. It combines a dominant investment bank and markets business with Chase, the largest retail banking franchise in America, plus commercial banking and asset and wealth management. Headquartered in New York, the group is unusual among banks for the scale of its technology spending, running one of the largest engineering organisations of any financial institution and deploying its own internal AI platform across the firm.
markonsolutions.com · HQ: Falls Church, United States · Facilities Management · IT Consulting & Digital Transformation · Intelligence · 1001-5000 employees · Est. 2007 · Hiring 180, 29 new
HQ: Falls Church, United States · Facilities Management · IT Consulting & Digital Transformation · Intelligence · 1001-5000 employees · Est. 2007 · Hiring 180, 29 new
Markon Solutions is a government services contractor headquartered in Falls Church, Virginia, supporting the intelligence community, defense agencies and federal civilian customers with cyber, digital transformation, engineering and facilities management work. A repeated Washington Post Top Workplace, it staffs programs at Fort Meade, Annapolis Junction, Chantilly, McLean and Herndon, and supports naval nuclear work in West Mifflin and Niskayuna. Hiring covers software developers, systems and network engineers, data scientists, target analysts, civil, structural and electrical engineers, facility managers, space auditors and accountants.
steampunk.com · HQ: McLean, United States · Custom Software Development · Digital Government · 1001-5000 employees · Est. 2019 · IT services · Trust A · Hiring 160, 8 new
HQ: McLean, United States · Custom Software Development · Digital Government · 1001-5000 employees · Est. 2019 · IT services · Trust A · Hiring 160, 8 new
Steampunk is a US government technology and design consultancy headquartered in McLean, Virginia, that delivers human-centered design, agile software development, cloud, DevSecOps, data and cybersecurity services to federal agencies. It applies its trademarked Design Intelligence approach to modernization programs for federal clients, combining a start-up culture with a design studio next to its Tysons Corner offices. It hires cloud and enterprise architects, DevSecOps and software engineers, Salesforce and ServiceNow specialists, data engineers, cybersecurity experts, service designers and program and project managers.
infinitive.com · HQ: McLean, United States · IT Consulting & Digital Transformation · Predictive Analytics · Data & Analytics · 51-200 employees · Hiring 16, 1 new
HQ: McLean, United States · IT Consulting & Digital Transformation · Predictive Analytics · Data & Analytics · 51-200 employees · Hiring 16, 1 new
Get the value out of your data with Infinitive, the leaders in data analytics and cloud development.
defcon.social · Coronado · McLean · Torrance · New York · Online Forums & Community Platforms · Hiring 7, 1 new
Coronado · McLean · Torrance · New York · Online Forums & Community Platforms · Hiring 7, 1 new
DEFCON.social = The intersection of technology and society, a community for artists, hackers, policy, academics, researchers, infosec, activists & cyberpunks.
gdit.com · HQ: Falls Church, United States · National Security · Digital Government · IT Consulting & Digital Transformation · Systems Integrators · 5000+ employees · Est. 2006 · Trust A · Hiring 1020, 70 new
HQ: Falls Church, United States · National Security · Digital Government · IT Consulting & Digital Transformation · Systems Integrators · 5000+ employees · Est. 2006 · Trust A · Hiring 1020, 70 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.
theswiftgroup.com · HQ: Reston, United States · Custom Software Development · High-Performance Computing · Intelligence · 1001-5000 employees · Trust A · Hiring 72, 1 new
HQ: Reston, United States · Custom Software Development · High-Performance Computing · Intelligence · 1001-5000 employees · Trust A · Hiring 72, 1 new
The Swift Group is a US national security technology contractor headquartered in Reston, Virginia, working for defense and intelligence agencies. It provides high-performance computing research and systems architecture, custom software development, data science, cyber operations support, advanced energetics and operator-led tactical training. Its staff work largely at cleared customer sites in Annapolis Junction, Herndon, McLean and Chantilly, and it hires cyber defense analysts, hardware, network and software engineers and customer support specialists.
guidehouse.com · HQ: McLean, United States · Digital Government · IT Consulting & Digital Transformation · Management Consulting · 5000+ employees · Est. 2018 · IT services · Trust B · Hiring 567, 33 new
HQ: McLean, United States · Digital Government · IT Consulting & Digital Transformation · Management Consulting · 5000+ employees · Est. 2018 · IT services · Trust B · Hiring 567, 33 new
Guidehouse is a management and technology consultancy created in 2018 when Veritas Capital bought the public sector advisory practice of PwC, and expanded a year later by acquiring Navigant. It advises United States federal and state agencies, health systems, energy utilities and financial institutions on programme delivery, regulatory compliance, risk, digital modernisation and data analytics, with a heavy concentration in defence, health and civilian government work. Headquartered in McLean, Virginia, the firm employs a large share of security-cleared staff and was acquired by Bain Capital in 2023.
appian.com · HQ: McLean, United States · Workflow & Process Automation (RPA, BPM) · Low-Code & No-Code Platforms · 1001-5000 employees · Est. 1999 · NASDAQ: APPN · Trust B · Hiring 157, 9 new
HQ: McLean, United States · Workflow & Process Automation (RPA, BPM) · Low-Code & No-Code Platforms · 1001-5000 employees · Est. 1999 · NASDAQ: APPN · Trust B · Hiring 157, 9 new
Appian is an American enterprise software company that sells a low-code platform for building business applications and automating workflows and processes. Founded in 1999 and headquartered in McLean, Virginia, it is listed on Nasdaq and serves banks, insurers, government agencies and other large organisations. It hires solutions consultants, account executives, proposal managers and engineers, with large teams in McLean, Chennai and London.
