Backend Developer jobs in San Antonio hiring now at vetted startups and product companies on Alion, updated daily. Average salary around $178,101/year. Compare remote, hybrid and on-site positions with relocation and visa sponsorship. Browse and apply today.
kbr.com • HQ: Houston, United States • Space Services • Military Logistics • Engineering Services • 5000+ employees • Est. 1998 • Trust B • Hiring 1464, 71 new
HQ: Houston, United States • Space Services • Military Logistics • Engineering Services • 5000+ employees • Est. 1998 • Trust B • Hiring 1464, 71 new
KBR is an engineering, science and technology company headquartered in Houston, Texas, delivering government services, defense and space mission support, process technology licensing and engineering for energy, chemicals and infrastructure projects. Listed on the New York Stock Exchange, it works across the United States, the United Kingdom, Australia and the Middle East, and in September 2025 announced the spin-off of its Mission Technology Solutions business into a separate public company. It hires process, piping, instrumentation, structural and HSE engineers, project and construction managers, logistics and commercial specialists, and finance, tax and IT staff.
$94k – $115k per year • Junior • 10+ years exp • In office (Chantilly, Columbia, King of Prussia, San Antonio, El Segundo, United States) • Relocation • Bachelor's Degree • Full-Time • TS/SCI • Junior
boozallen.com • HQ: McLean, United States • Intelligence • Management Consulting • National Security • IT Consulting & Digital Transformation • 5000+ employees • Est. 1914 • IT services • Trust A • Hiring 1518, 159 new
HQ: McLean, United States • Intelligence • Management Consulting • National Security • IT Consulting & Digital Transformation • 5000+ employees • Est. 1914 • IT services • Trust A • Hiring 1518, 159 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.
bitdefender.com • HQ: Bucharest, Romania • Managed Security • Threat Intelligence • Endpoint Security • 501-1000 employees • Est. 2001 • Trust A • Hiring 55, 3 new
HQ: Bucharest, Romania • Managed Security • Threat Intelligence • Endpoint Security • 501-1000 employees • Est. 2001 • Trust A • Hiring 55, 3 new
Bitdefender is a global cybersecurity leader headquartered in Bucharest, Romania, that delivers advanced threat prevention, detection, and response solutions. Founded in 2001, the company protects millions of consumer, business, and government endpoints across more than 170 countries through its antivirus software, cloud security platforms, and Managed Detection and Response (MDR) services.
leidos.com • HQ: Reston, United States • C4ISR • National Security • Engineering Services • Defense Manufacturing • Systems Integrators • 5000+ employees • Est. 2013 • IT services • Trust B • Hiring 1525, 131 new
HQ: Reston, United States • C4ISR • National Security • Engineering Services • Defense Manufacturing • Systems Integrators • 5000+ employees • Est. 2013 • IT services • Trust B • Hiring 1525, 131 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.
northstrat.com • HQ: Sterling, United States • IT Consulting & Digital Transformation • National Security • 51-200 employees • Trust D • Hiring 16
HQ: Sterling, United States • IT Consulting & Digital Transformation • National Security • 51-200 employees • Trust D • Hiring 16
Northstrat is a technology services company for national security customers that is now part of GRVTY. Its engineers deploy software over the air to globally fielded systems, and open roles include infrastructure engineers, full stack developers and cleared IT professionals. The company is headquartered in Sterling, Virginia, United States.
gdit.com • HQ: Falls Church, United States • Government • Military • Professional Services • National Security • Digital Government • IT Consulting & Digital Transformation • Systems Integrators • 5000+ employees • Est. 2006 • Trust A • Hiring 1821, 94 new
HQ: Falls Church, United States • Government • Military • Professional Services • National Security • Digital Government • IT Consulting & Digital Transformation • Systems Integrators • 5000+ employees • Est. 2006 • Trust A • Hiring 1821, 94 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.
esri.com • HQ: Redlands, United States • Navigation & Mapping • Geospatial Analytics • 1001-5000 employees • Est. 1969 • Trust B • Hiring 396, 23 new
HQ: Redlands, United States • Navigation & Mapping • Geospatial Analytics • 1001-5000 employees • Est. 1969 • Trust B • Hiring 396, 23 new
Esri, formally Environmental Systems Research Institute, is a geographic information system software company headquartered in Redlands, California, best known for the ArcGIS platform for mapping, spatial analytics and location intelligence. Founded in 1969, the privately held company serves businesses, utilities, national governments and cities worldwide through regional offices, research centers such as its Zurich R&D center, and a global distributor network. It hires software and product engineers, solution engineers, technical consultants with security clearances, contracts specialists, partner managers and HR staff.
