Backend Developer jobs in Colorado Springs hiring now at vetted startups and product companies on Alion, updated daily. Average salary around $171,474/year. Compare remote, hybrid and on-site positions with relocation and visa sponsorship. Browse and apply today.
northropgrumman.com • HQ: Falls Church, United States • Space Defense • C4ISR • Satellite Manufacturing • Aerospace Manufacturing • Defense Manufacturing • 5000+ employees • Est. 1994 • Trust B • Hiring 2402, 322 new
HQ: Falls Church, United States • Space Defense • C4ISR • Satellite Manufacturing • Aerospace Manufacturing • Defense Manufacturing • 5000+ employees • Est. 1994 • Trust B • Hiring 2402, 322 new
Northrop Grumman is an American defence contractor whose oldest predecessor was founded in 1939, and which took its present form through the 1994 combination of Northrop and Grumman. It builds strategic systems including the B-21 Raider bomber and the Sentinel intercontinental ballistic missile programme, military and civil space systems, radars and electronic warfare equipment, autonomous aircraft, and mission systems and software for the United States armed forces and allied governments. Headquartered in Falls Church, Virginia and listed on the New York Stock Exchange, it earns the large majority of its revenue from the American government and employs close to one hundred thousand people.
$104k – $155k per year • Lead • 9+ years exp • In office (Colorado Springs, United States) • Relocation • Bachelor's Degree • Full-Time • Top Secret • Shift work • Citizenship or vetting required • Principal
$161k – $241k per year • Staff+ • 12+ years exp • In office (Boulder, Colorado Springs, Huntsville, United States) • Relocation • Bachelor's Degree • Full-Time • Secret • Shift work • Citizenship or vetting required • Architect
$129k – $194k per year • Lead • 12+ years exp • In office (Colorado Springs, United States) • Relocation • Bachelor's Degree • Full-Time • Secret • Shift work • Citizenship or vetting required • Principal
i2xisys.com • HQ: Littleton, United States • IT Infrastructure & Networking Services • National Security • Information Security • Engineering Services • 501-1000 employees • Hiring 53, 10 new
HQ: Littleton, United States • IT Infrastructure & Networking Services • National Security • Information Security • Engineering Services • 501-1000 employees • Hiring 53, 10 new
I2X Technologies, the trading name of ISYS Incorporated, is a government services contractor headquartered in Littleton, Colorado, that provides mission support, software and systems engineering, cybersecurity and enterprise IT services. With more than 20 years in the market, it supports the Department of Defense and other federal agencies, often on space and satellite programs, with staff at sites in more than 20 states, including Colorado Springs, Huntsville, Fort Meade, Hill Air Force Base and Fairbanks. It hires systems test, network, DevSecOps, software and mechanical engineers, Python developers, system and database administrators and security officers, most with clearances.
trace3.com • HQ: Irvine, United States • AI Consulting & Integration • Cloud Consulting & Migration • IT Consulting & Digital Transformation • IT Resellers & VARs • 1001-5000 employees • Est. 2002 • Trust B • Hiring 67, 13 new
HQ: Irvine, United States • AI Consulting & Integration • Cloud Consulting & Migration • IT Consulting & Digital Transformation • IT Resellers & VARs • 1001-5000 employees • Est. 2002 • Trust B • Hiring 67, 13 new
Trace3 is an information technology consulting and services provider headquartered in Irvine, California, and founded in 2002. The company delivers a broad range of solutions including cloud computing, cybersecurity, data analytics, and artificial intelligence integration to help organizations modernize their digital infrastructure. It operates across the United States, serving enterprise and public sector clients through strategic partnerships with major technology vendors and a specialized venture capital briefing program.
boozallen.com • HQ: McLean, United States • Intelligence • Management Consulting • National Security • IT Consulting & Digital Transformation • 5000+ employees • Est. 1914 • IT services • Trust A • Hiring 1498, 96 new
HQ: McLean, United States • Intelligence • Management Consulting • National Security • IT Consulting & Digital Transformation • 5000+ employees • Est. 1914 • IT services • Trust A • Hiring 1498, 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.
arcarithm.com • HQ: Huntsville, United States • Industrial Engineering • C4ISR • Artificial Intelligence • Trust B • Hiring 12, 3 new
HQ: Huntsville, United States • Industrial Engineering • C4ISR • Artificial Intelligence • Trust B • Hiring 12, 3 new
Arcarithm is a small, HUBZONE start-up company specializing in Command and Control, Artificial Intelligence, Kill Vehicle Technologies and System of Systems Engineering. Our headquarters is located in Huntsville, Alabama.
odysseyconsult.com • HQ: Wakefield, United States • C4ISR • Engineering Services • 1001-5000 employees • Est. 2019 • Trust A • Hiring 137, 19 new
HQ: Wakefield, United States • C4ISR • Engineering Services • 1001-5000 employees • Est. 2019 • Trust A • Hiring 137, 19 new
Headquartered in Wakefield, Massachusetts, Odyssey Systems Consulting Group is a government contracting and defense technology firm. The company specializes in delivering integrated engineering, management, and technical capabilities to military and government leaders across key domains like aerospace, space defense, and C5ISR. Through its expertise in software development, cybersecurity, and system integration, it supports defense acquisition and helps enhance operational readiness for critical mission requirements.
kestrelintelligence.com • HQ: Colorado Springs, United States • Artificial Intelligence • 201-500 employees • Est. 2024 • Trust B • Hiring 11
HQ: Colorado Springs, United States • Artificial Intelligence • 201-500 employees • Est. 2024 • Trust B • Hiring 11
Kestrel Intelligence: autonomous ISR, AI-driven sensing, and scalable defense technology. See what's happening anywhere on Earth without being a sensor expert.
lockheedmartin.com • HQ: Bethesda, United States • Military Satellites • Aerospace Manufacturing • Missiles • Combat Aircraft • Defense Manufacturing • 5000+ employees • Est. 1995 • NYSE: LMT • Trust A • Hiring 589, 121 new
HQ: Bethesda, United States • Military Satellites • Aerospace Manufacturing • Missiles • Combat Aircraft • Defense Manufacturing • 5000+ employees • Est. 1995 • NYSE: LMT • Trust A • Hiring 589, 121 new
Lockheed Martin is the largest defence contractor in the world, formed in 1995 by merging Lockheed Corporation with Martin Marietta and headquartered in Bethesda, Maryland. Its single most important programme is the F-35 Lightning II, the most expensive weapons system ever built, alongside the F-16, the C-130 transport and classified work at the Skunk Works advanced development unit. The company also dominates missile defence with THAAD and PAC-3 interceptors, supplies HIMARS and Javelin systems, owns the helicopter maker Sikorsky, and builds the Orion crew capsule and military satellites through its space division.
$121k – $224k per year • Staff+ • 5+ years exp • In office (Colorado Springs, United States) • Bachelor's Degree • Secret • Citizenship or vetting required • Staff
parsons.com • HQ: Chantilly, United States • Civil & Structural Engineering • C4ISR • Engineering Services • Homeland Security • 5000+ employees • Est. 1944 • NYSE: PSN • Trust B • Hiring 1167, 157 new
HQ: Chantilly, United States • Civil & Structural Engineering • C4ISR • Engineering Services • Homeland Security • 5000+ employees • Est. 1944 • NYSE: PSN • Trust B • Hiring 1167, 157 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.
≈ $104k – $205k per year (Estimated) • Equity • Middle • 5+ years exp • Hybrid (Colorado Springs, United States) • Bachelor's Degree • Full-Time • Middle • English
$75k – $131k per year • Middle • 3+ years exp • In office (Colorado Springs, San Diego, Norfolk, United States) • Bachelor's Degree • Full-Time • TS/SCI • Middle
≈ $89k – $181k per year (Estimated) • Equity • Junior • 2+ years exp • Hybrid (Colorado Springs, United States) • Bachelor's Degree • Full-Time • Nationals only • Junior • English
keysight.com • HQ: Santa Rosa, United States • EDA Software • Test & Measurement Instruments • Simulation & Digital Twin Software • 5000+ employees • Est. 2014 • Trust B • Hiring 591, 67 new
HQ: Santa Rosa, United States • EDA Software • Test & Measurement Instruments • Simulation & Digital Twin Software • 5000+ employees • Est. 2014 • Trust B • Hiring 591, 67 new
Keysight is an American maker of electronic test and measurement equipment and software, spun off from Agilent Technologies in 2014. It sells oscilloscopes, network and signal analysers, and design and simulation software used in wireless, semiconductor, automotive and aerospace development, and acquired the French simulation firm ESI Group in 2024. The company is headquartered in Santa Rosa, California, United States.
boeing.com • HQ: Arlington, United States • Aerospace Manufacturing • Combat Aircraft • Aircraft Manufacturing • 1001-5000 employees • Est. 1916 • Trust A • Hiring 683, 213 new
HQ: Arlington, United States • Aerospace Manufacturing • Combat Aircraft • Aircraft Manufacturing • 1001-5000 employees • Est. 1916 • Trust A • Hiring 683, 213 new
Boeing is a global aerospace manufacturer and defense contractor specializing in commercial jetliners, military aircraft, satellites, and space systems. Headquartered in Arlington, Virginia, United States, the company operates across three main business divisions: Commercial Airplanes; Defense, Space & Security; and Global Services. Through aircraft engineering, defense hardware production, and worldwide fleet support, the enterprise serves commercial airlines, armed forces, and government partners across more than 150 countries.
$99k – $135k per year • Senior • 9+ years exp • In office (Colorado Springs, Huntsville, United States) • Relocation • Bachelor's Degree • Full-Time • Secret • Citizenship or vetting required • Senior
$99k – $135k per year • Staff+ • 13+ years exp • In office (Colorado Springs, United States) • Relocation • Bachelor's Degree • Full-Time • TS/SCI • Citizenship or vetting required • Senior
$99k – $135k per year • Staff+ • 13+ years exp • In office (Colorado Springs, United States) • Relocation • Bachelor's Degree • Full-Time • Secret • 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 1356, 192 new
HQ: Melbourne, United States • C4ISR • Military Satellites • Electronic Warfare • Military Communication • Defense Manufacturing • 5000+ employees • Est. 2019 • Trust A • Hiring 1356, 192 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.
$75k – $139k per year • Senior • 6+ years exp • In office (Colorado Springs, United States) • Bachelor's Degree • Secret • Citizenship or vetting required • Senior
asd20.org • HQ: Colorado Springs, United States • Secondary Education • Primary Education • 1001-5000 employees • Est. 1957 • Trust B • Hiring 109
HQ: Colorado Springs, United States • Secondary Education • Primary Education • 1001-5000 employees • Est. 1957 • Trust B • Hiring 109
Academy District 20 is a public school district in Colorado Springs, Colorado, serving the northern part of the city and the Air Force Academy area with elementary, middle and high schools and specialty programs. Founded in 1957, it is one of the largest districts in the Pikes Peak region, with almost 40 schools and about 26,000 students, and it has been Accredited with Distinction by the state of Colorado every year since that rating began. It hires classroom and special education teachers, special education and instructional paraprofessionals, athletic coaches, custodians, crossing guards, vehicle mechanics, HR technicians and application developers.
gdmissionsystems.com • HQ: Fairfax, United States • Military • Cybersecurity • C4ISR • Defense Manufacturing • National Security • 1001-5000 employees • Est. 2015 • Trust A • Hiring 496, 62 new
HQ: Fairfax, United States • Military • Cybersecurity • C4ISR • Defense Manufacturing • National Security • 1001-5000 employees • Est. 2015 • Trust A • Hiring 496, 62 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.
≈ $114k – $210k per year (Estimated) • Senior • 5+ years exp • In office (Colorado Springs, United States) • Relocation • Bachelor's Degree • TS/SCI • Citizenship or vetting required • Senior
peraton.com • HQ: Reston, United States • Systems Integrators • Information Security • Homeland Security • National Security • 1001-5000 employees • Est. 2017 • Trust A • Hiring 933, 109 new
HQ: Reston, United States • Systems Integrators • Information Security • Homeland Security • National Security • 1001-5000 employees • Est. 2017 • Trust A • Hiring 933, 109 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.
cu.edu • HQ: Denver, United States • Higher Education • 501-1000 employees • Est. 1876 • Trust B • Hiring 276, 27 new
HQ: Denver, United States • Higher Education • 501-1000 employees • Est. 1876 • Trust B • Hiring 276, 27 new
The University of Colorado is a public university system whose administration is based in Denver, overseeing four campuses: CU Boulder, the University of Colorado Colorado Springs, CU Denver and the CU Anschutz Medical Campus in Aurora. Founded in 1876, the system is governed by an elected Board of Regents, and its Anschutz campus houses the state's schools of medicine, nursing, pharmacy, dental medicine and public health next to affiliated hospitals. This board mostly lists Anschutz, Denver and Colorado Springs openings, including faculty physicians, advanced practice providers, postdoctoral fellows, clinical research coordinators, administrative staff and facilities trades.
paragoncybersolutions.com • HQ: Tampa, United States • Cybersecurity • Information Technology • IT Training & Certification • Managed IT Services (MSP) • Managed Security • Trust B • Hiring 12
HQ: Tampa, United States • Cybersecurity • Information Technology • IT Training & Certification • Managed IT Services (MSP) • Managed Security • Trust B • Hiring 12
Headquartered in Tampa, Florida, Paragon Cyber Solutions LLC is a veteran- and minority-woman-owned cybersecurity, information technology, and compliance advisory enterprise. The company offers a comprehensive suite of security and infrastructure solutions - including Cybersecurity as a Service (CaaS), Cybersecurity Maturity Model Certification (CMMC) assessments as an authorized C3PAO, Risk Management Framework (RMF) guidance, vulnerability testing, virtual CISO (vCISO) consulting, and cloud engineering. Serving defense industrial base contractors, federal agencies, and commercial enterprises, the organization enables clients to minimize cyber vulnerabilities, maintain strict regulatory compliance, and safeguard critical digital assets.
kbr.com • HQ: Houston, United States • Space Services • Military Logistics • Engineering Services • 5000+ employees • Est. 1998 • Trust B • Hiring 1463, 71 new
HQ: Houston, United States • Space Services • Military Logistics • Engineering Services • 5000+ employees • Est. 1998 • Trust B • Hiring 1463, 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.
accenturefederal.com • HQ: Arlington, United States • IT Consulting & Digital Transformation • Digital Government • 5000+ employees • Trust B • Hiring 562, 48 new
HQ: Arlington, United States • IT Consulting & Digital Transformation • Digital Government • 5000+ employees • Trust B • Hiring 562, 48 new
Accenture Federal Services is the US federal government business of the global professional services firm Accenture, providing technology, cloud, AI, data and cybersecurity services to defense, national security, public safety, civilian and military health agencies, headquartered in Arlington, Virginia, near Washington, DC. It operates as a wholly owned subsidiary of Accenture and employs more than 13,000 people. Its openings are mostly technical roles such as cloud services engineers, software engineering leads, solution architects, data engineers, CI/CD pipeline engineers, SharePoint specialists, system administrators, test engineers and user experience designers.
bluestaq.com • HQ: Colorado Springs, United States • Data Marketplaces, Sharing & Clean Rooms • 51-200 employees • Est. 2018 • Likely startup • Hiring 7
HQ: Colorado Springs, United States • Data Marketplaces, Sharing & Clean Rooms • 51-200 employees • Est. 2018 • Likely startup • Hiring 7
Driving better organizational outcomes through data unification. Bluestaq enables confident data strategies and decision-making with an ecosystem that securely ingests, stores, manages, discovers, and shares data.
$150k – $210k per year • Staff+ • 10+ years exp • In office (Colorado Springs, United States) • Relocation • High School Diploma • Full-Time • TS/SCI • Staff
$100k – $155k per year • Senior • 4+ years exp • In office (Colorado Springs, United States) • Relocation • High School Diploma • Full-Time • TS/SCI • Senior
