Jobs at Alion Science and Technology

1,889,899 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.

IT CYBERSECURITY SPECIALIST (APPSW/INFOSEC)

Company: Department of Defense - Defense Finance and Accounting Service

Location: Multiple Locations

Posted Dec 20, 2024

This Job Opportunity Announcement is for U.S. citizens to apply for positions within the I&T Directorate of DFAS. The roles are at GS-07, GS-09, GS-11, or GS-12 levels with a target grade of GS-12. Applicants must meet specific requirements including U.S. citizenship, background investigation, and suitable for federal employment. Specialized experience is required for each grade level, ranging from one year at GS-07 to one year at GS-11, and additional qualifications for GS-12. Education can be substituted for experience under certain conditions. The position is subject to DoD 8140 policy and requires a background investigation. Benefits include health insurance, retirement plans, and paid time off.

Electrician Subject Matter Expert - 4581

Company: Alion Science and Technology

Location: Chula Vista, CA

Posted Dec 20, 2024

Huntington Ingalls Industries (HII) is seeking an experienced Electrician - Subject Matter Expert for their Systems Integrations department. The role involves installing, repairing, and troubleshooting electrical cable systems on active class submarines, surface ships, and shore-based communication facilities. The selected candidate will work on various contracts including Naval Undersea Warfare Center, Space & Naval Warfare Systems Command, and Naval Surface Warfare Center. The job requires travel to shipyards and military bases, both domestic and international, with per diem and lodging expenses covered. The ideal candidate must have a minimum of eight years of experience leading shipboard electrical installation and/or data distribution installation/maintenance teams, DOD secret clearance, and marine electrician experience. Bonus points for marine electrician journeyman certification, prior AIT or active duty experience, and relevant NAVSEA certifications.

Cyber Analysis Support Specialist (Intelligence Analyst 4) - 2897

Company: Alion Science and Technology

Location: Annapolis Junction, MD

Posted Dec 20, 2024

Huntington Ingalls Industries is seeking a Cyber Analysis Support Specialist to join their Annapolis Junction office. The position will support a global cyber operations center protecting critical mission networks. The company provides actionable intelligence and cybersecurity services, and employees are proud of making a difference in their work.

Meteorologist

Company: Department of Commerce - National Oceanic and Atmospheric Administration

Location: Multiple Locations

Posted Dec 20, 2024

This job posting is for a position within the Department of Commerce, specifically in the National Weather Service. The role requires U.S. citizenship, successful completion of a background investigation, and registration for Selective Service if applicable. The position involves working in a 24/7 environment, including holidays and weekends, and may require travel to remote locations. The role necessitates a degree in meteorology, atmospheric science, or a related natural science with specific course requirements. Alternatively, a combination of education and experience can be considered. Specialized experience of one year is required, with additional experience needed for the GS-14 level. The role does not offer relocation expenses and is not in the bargaining unit.

USARPAC Data Scientist (Data Analyst 3) - 4360

Company: Alion Science and Technology

Location: Honolulu, HI

Posted Dec 20, 2024

HII-TSD is currently seeking a Data Scientist to support the US Army Pacific (USARPAC) customer in Honolulu, HI. The Data Scientist will be part of a 'big data' team, responsible for building data-driven products and systems. Key responsibilities include managing requirements collection, software code development, and delivery. The role involves working in a rapid application development/joint application development (RAD/JAD) environment, ensuring maximum user input and feedback. The Data Scientist will also ensure interoperability of in-house capabilities with outside partners. The position requires 6 years of relevant experience with a Bachelor's degree, or 4 years with a Master's degree, or 10 years with a High School Diploma. Proficiency in Data Science techniques, Python, R, and machine learning is essential. Previous support of USARPAC in a Data Science role is preferred.

Paralegal Specialist

Company: Department of Justice - Executive Office for U.S. Attorneys and the Office of the U.S. Attorneys

Location: Council Bluffs, Iowa Council Bluffs, Iowa

Posted Dec 20, 2024

This job announcement details the requirements and conditions for employment in the Department of Justice. It specifies that applicants must be U.S. citizens or nationals, registered for Selective Service if applicable, and pass a background check. The role requires at least one year of specialized experience or equivalent education for GS-7, and one year of specialized experience or graduate education for GS-9. The position also offers a comprehensive benefits package and is subject to ICTAP and CTAP for eligible displaced or surplus DOJ employees.

Mechanic/Technician (Mastertradesperson 2) - 4156

Company: Alion Science and Technology

Location: Virginia Beach, VA

Posted Dec 20, 2024

Job Description Summary Join our System Integration (SI) team whose accomplishments make a positive impact supporting the U.S. Navy and national defense! We are seeking shipboard alteration installers for fleet modernization.The selected candidate will be supporting our Systems Integrations department working on active class submarines and surface ships using various mechanical tools to install and remove industrial equipment to assist with alterations and installations for fleet modernization on various contracts such as Naval Undersea Warfare Center, Space & Naval Warfare Systems Command and Naval Surface Warfare Center. Selected candidate will be required to travel to shipyards and military bases located around or out of the country when not assigned to a local task. Per diem available based on location when on travel, travel and lodging expenses are covered by the company.

Senior Engineer (Engineer 4) - 4323

Company: Alion Science and Technology

Location: Newport News, VA

Posted Dec 20, 2024

Huntington Ingalls Industries (HII) is seeking senior-level engineers with experience in Hull, Mechanical, and Electrical specialties for marine applications. The role involves performing engineering functions in various specialties, developing AutoCAD drawings, and interacting with customer management. The ideal candidate should have 9 years of relevant experience with a Bachelor's degree, or 7 years with a Master's, or 4 years with a PhD or Juris Doctorate. Experience with AutoCAD, engineering calculations, and high-level customer interaction is required. Knowledge of Autodesk Nastran, Autodesk Inventor, and other software is preferred. The position requires an Active Confidential Security Clearance. HII offers mission-critical solutions to government and commercial customers worldwide.

Software Engineer, Lead - 38199

Company: Alion Science and Technology

Location: San Antonio, TX

Posted Dec 20, 2024

Alion, a company with over 80 years of experience in engineering science and technology solutions for national security, is seeking a Software Engineer with 5+ years of experience. The role involves providing intermediate level software engineering/development support, using industry standard languages, and performing SME analysis and assessment. Key requirements include experience with Python, C, C++, PowerShell, Bash, JavaScript, and Agile framework. Network Security Experience, Reverse Engineering Software/Hardware, and Vulnerability Analysis are also essential. The candidate must pass the Basic Cyberspace Capability Developer certification within 6 months of employment. Primary duties include creating capabilities, applications, and tools for Cyber Space Operations, performing network and systems analysis, and providing technical analysis of telecommunications devices.

Environmental Health Data Scientist/Engineer

Company: Other Agencies and Independent Organizations - Environmental Protection Agency

Location: Washington, District of Columbia Washington, District of Columbia

Posted Dec 20, 2024

This job posting is for a Title 42 position in the Office of Chemical Safety and Pollution Prevention, Office of Pollution Prevention and Toxics, New Chemicals Division. The role is office-centered, requiring regular on-site presence, but EPA offers work-from-home and flexible schedule options. The position requires a doctoral degree in a relevant scientific field, extensive experience, and recognition as an expert in the field. Qualified candidates can earn up to $250,000 annually and enjoy comprehensive federal benefits, including work-life quality options and potential eligibility for Public Service Loan Forgiveness.

Mechanical Engineer 3 - 3490

Company: Alion Science and Technology

Location: Newport News, VA

Posted Dec 20, 2024

Huntington Ingalls Industries (HII) is hiring a Mechanical or Welding Engineer for its Technical Solutions Division in Newport News, VA. The role involves supporting welding operations for the Nuclear & Environmental Services team, which manages DOE sites and cleans up legacy waste. Mechanical Engineers in the Maritime Operations group design mechanical components for advanced ships, contributing to U.S. national security. The ideal candidate will have 5 years of relevant experience with a Bachelor's degree, or 3 years with a Master's degree, and must obtain a Confidential security clearance.

Senior Training Systems Engineer - 38122

Company: Alion Science and Technology

Location: Enon, OH

Posted Dec 20, 2024

Alion Science and Technology is seeking a Senior Training Systems Engineer with at least five years of electrical or avionics engineering experience in the DoD. The role involves supporting the Strike Systems Program Office at Wright-Patterson AFB, Ohio. Key responsibilities include managing technical execution and evaluation of DoD systems, providing technical management, evaluating technical proposals, and developing engineering programs. Familiarity with USAF Airworthiness process and Air Force LCSE processes is required. A Bachelor's degree in engineering, minimum 20 years of relevant DoD experience, and an ABET-accredited Bachelor's degree are necessary. Active TS clearance is required, and U.S. citizenship is mandatory for most positions.

Frequently Asked Questions

What is it like to work at Alion Science & Technology?
Alion fosters a mission‑driven environment where employees tackle real‑world security challenges. The culture emphasizes collaboration across engineering, operations, and research teams, offering regular knowledge‑sharing sessions, mentorship programs, and a strong focus on professional development. Employees often cite the opportunity to work on high‑impact projects and the organization’s commitment to work‑life balance as key positives.
What types of positions are available at Alion Science & Technology?
The roster includes software development, cybersecurity, data science, cloud architecture, embedded systems, systems engineering, IT project management, and technical program management roles. Each position requires a blend of domain knowledge and technical expertise, with many roles offering dual‑track paths for engineers and analysts.
How can I stand out as an Alion applicant?
Tailor your résumé to highlight experience with secure coding, threat‑analysis, or AI model deployment—skills that match Alion’s mission. Include certifications such as CISSP, AWS Certified Solutions Architect, or Certified Data Scientist, and provide a portfolio or code samples demonstrating problem‑solving in relevant domains. During interviews, emphasize how your past projects align with protecting critical infrastructure and showcase your ability to collaborate in cross‑functional teams.

Other Companies Hiring