Jobs at Alion Science and Technology
1,889,427 open positions
Alion Science & Technology, headquartered in Alexandria, VA, has established itself as a premier provider of technology solutions for defense, intelligence, and federal agencies. Since its founding in 2003, the company has specialized in cybersecurity, artificial intelligence, and data analytics, delivering mission‑critical systems that protect national security interests.
Hiring at Alion spans a wide spectrum of technical disciplines—from software engineers and cybersecurity analysts to data scientists, cloud architects, and embedded systems developers. Candidates can expect collaborative, cross‑functional teams, a culture that rewards innovation, and flexible work arrangements that include remote and on‑site opportunities.
Job Transparency gives you a clear advantage by presenting real salary ranges, employee sentiment scores, and the current count of 1006 open positions. Armed with this data, you can benchmark offers, identify growth tracks, and make informed career decisions before you even start the interview process.
Sr. Marine Pipefitter (Mastertradesperson 4) - 4529
Company: Alion Science and Technology
Location: Chula Vista, CA
Posted Jan 24, 2025
Command and Control Subject Matter Expert - 4578
Company: Alion Science and Technology
Location: Duluth, MN
Posted Jan 24, 2025
University Relations & Talent Acquisition Business, Lead - 37828
Company: Alion Science and Technology
Location: Fairfax, VA
Posted Jan 24, 2025
IT Support Specialist - 38196
Company: Alion Science and Technology
Location: Alexandria, VA
Posted Jan 24, 2025
Engineering Technician 4
Company: Alion Science and Technology
Location: Newport News, VA
Posted Jan 24, 2025
Huntington Ingalls Industries (HII) is offering an exciting opportunity to join their Defense Federal Solutions team as an experienced Electrician. The role involves providing technical support, gathering and maintaining technical data, producing engineering documentation, and conducting tests. The ideal candidate should have an Associates Degree or equivalent with 6 years of experience, or a High School Diploma with 8 years of experience, along with prior shipyard or military experience. Knowledge of Navy Work Authorization Forms (WAF's), eSOMS, JFMM/TUM requirements, CSOSS, and EOSS is preferred. The position requires a SECRET security clearance and the ability to work in a shipboard environment. HII is America's largest military shipbuilding company, employing over 42,000 people.
Marine Mechanical Tech Subject Matter Expert - 4374
Company: Alion Science and Technology
Location: Chula Vista, CA
Posted Jan 24, 2025
Technical Solutions, a division of Huntington Ingalls Industries, is seeking shipboard alteration installer mechanical Subject Matter Experts (Supervisors) for fleet modernization. The role involves installing, maintaining, repairing, and testing various types of industrial mechanical, electrical, and electronic equipment. The candidate will work on active class submarines, surface ships, and shore-based communication facilities. Key responsibilities include applying technical knowledge to solve complex problems, providing operation/maintenance instruction to customer personnel, and assisting engineering staff in determining and solving equipment design problems. The role requires an active DOD Secret clearance, familiarity with NAVSEA approved Quality Assurance Programs, and submarine or shipboard marine industrial mechanical supervisory capabilities. The candidate must have a minimum of eight years prior experience leading shipboard mechanical installation and/or maintenance teams. The job involves travel to shipyards and military bases, both domestically and internationally, with per diem available based on location.
Information Systems Security Engineer (Engineer Systems 4) - 2176
Company: Alion Science and Technology
Location: Annapolis Junction, MD
Posted Jan 24, 2025
HII-Technical Solutions Division (TSD) is seeking an Information Systems Security Engineer (ISSE) for a high-visibility role in Annapolis Junction, MD. The ISSE will work closely with the customer on mission management, process development, risk assessments, and integration of Emerging Technologies. Key responsibilities include identifying vulnerabilities, recommending mitigation strategies, validating system security requirements, and designing secure networking, computing, and enclave environments. The role requires 9 years of experience with a Bachelor's Degree in a relevant field, or equivalent experience, and active TS/SCI with Polygraph clearance. Huntington Ingalls Industries, the largest military shipbuilding company in America, offers a wide range of professional services and employs over 42,000 people.
Software Engineer 5 (Software Engineer/Developer - Principal) - 4178
Company: Alion Science and Technology
Location: Annapolis Junction, MD
Posted Jan 24, 2025
Huntington Ingalls Industries' Technical Solutions Division is seeking a Principal SW Engineer/Developer for their Annapolis Junction, MD location. The role involves cloud analytic development for IC customers, focusing on prototype development in batch and streaming analytics, and integration of new COTS applications. The ideal candidate should have 15+ years of relevant experience, a degree in a related field, and clearance for TS/SCI with Polygraph. Preferred skills include experience with various programming languages, cloud-based data systems, machine learning, Docker containers, Kubernetes, and Apache Spark. The position offers the opportunity to work on high-impact mission priorities and contribute to national security.
Systems Engineer 4 - 4498
Company: Alion Science and Technology
Location: Falmouth, MA
Posted Jan 24, 2025
Cyber Analyst (Computer Sys Security Anlyst 3) - 3567
Company: Alion Science and Technology
Location: Las Vegas, NV
Posted Jan 24, 2025
HII-Technical Solutions Division is recruiting a skilled mid-level Cyber Analyst to assist U.S. Air Force Air Combat Command (ACC). The role involves supporting global full-spectrum ISR operations, providing analysis in cryptologic, IT, cyber, ISR, tactical analysis, and signals intelligence. The ideal candidate should have at least 6 years of relevant analytical experience, a Bachelor's degree, and a TS/SCI clearance. Key responsibilities include demonstrating comprehensive mission knowledge, structuring analysis based on trends, collaborating with IC members, and developing insightful products for defense intelligence.
Senior Software Engineer - 38160
Company: Alion Science and Technology
Location: Virginia Beach, VA
Posted Jan 24, 2025
HII Technical Solutions is seeking a Senior Software Engineer for a contract supporting the development of US Navy shore-based integrated training systems in Virginia Beach, VA. The role involves designing, developing, and testing software applications, conducting multidisciplinary research, and collaborating with equipment designers. Required qualifications include a Bachelor's degree in Computer/Electrical/Electronics Engineering or Computer Science, 10+ years of professional experience in software development, computer networks, or systems engineering, and knowledge of industry standards. Preferred qualifications include experience with DoN/DoD customers, projects, and processes, and specific technical skills like Red Hat Linux, virtualization technologies, and simulation architecture standards.
Full-Stack Web Developer, Sr - 38136
Company: Alion Science and Technology
Location: Xenia, OH
Posted Jan 24, 2025
Huntington Ingalls Industries is seeking a Senior Cloud Engineer with extensive experience in open-source stack, AWS regions (SC2S or C2S), and cloud-based systems. The ideal candidate should have a strong background in Java, JavaScript, and other relevant programming languages. They must possess excellent troubleshooting skills, patience with non-technical users, and the ability to work under pressure. The role involves designing, developing, and analyzing complex software programs, collaborating with hardware and software design engineers, and providing inputs for program documentation. Experience with Agile software lifecycle, Linux operating system, and Ozone Widget Framework (OWF) is desired. AWS certifications and DoD 8140/8570.01 IAT level – II/III certification are plus points. The position offers 100% telework and is open to women, minorities, individuals with disabilities, and veterans. Candidates must be fully vaccinated against COVID-19 by December 8, 2021.