Full-Time
Senior Executive Assistant
Posted on 2/21/2026
Radiance Technologies
1,001-5,000 employees
Develops and integrates directed energy systems
No salary listed
Hanover, MD, USA
In Person
 Administrative & Executive Assistance (1) |
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- Proficiency with Defense Travel System (DTS) and DATAAPS.
- Excellent oral and written communication skills.
- Strong organizational, problem-solving, and interpersonal skills.
- Professional demeanor and ability to work independently with minimal supervision.
- U.S. Citizenship and active Top Secret/SCI clearance.
- High School Diploma required.
- Minimum 9 years of executive administrative support experience, including 2 years supporting senior executives within the DoD.
- Provide comprehensive executive-level administrative support to PM or PdM leadership.
- Manage calendars, schedule appointments and meetings, and coordinate logistics.
- Monitor and triage division organizational email accounts and execute taskings as needed.
- Perform travel coordination and processing in the Defense Travel System (DTS); act as Non-DTS Entry Agent.
- Prepare and route correspondence, arrange meetings, and maintain continuity across leadership actions.
- Support timekeeping duties using the DoD Automated Time and Attendance Production System (DATAAPS).
- Engage in administrative workflow processes, document handling, and leadership support across a management-focused environment.
- Perform other duties as assigned.
- Experience supporting high-ranking Federal Government Senior Executives or DoD General/Flag Officers.
- Demonstrated capability handling sensitive information and high-level correspondence in a dynamic and confidential setting.
- Familiarity with DoD administrative and management environments.
Radiance Technologies develops and integrates directed energy systems for defense and intelligence, focusing on high energy lasers and high power microwaves. It designs, tests, and supports these systems with critical components, system analytics, live-fire testing, and training such as AFSIM support. It differentiates itself by combining direct energy development, hands-on testing, analytics, and cyber-enabled data fusion with training, serving the Intelligence Community, armed services, and research facilities. The goal is to support U.S. modernization by delivering deployable directed energy solutions, analytics, and training under government contracts.
Company Size
1,001-5,000
Company Stage
Late Stage VC
Total Funding
$102.8M
Headquarters
Los Altos, California
Founded
2000
Simplify's Take
What believers are saying
- $370M Louisiana microchip facility secures defense semiconductor supply chains.
- $149.7M Reagan Test Range contract cements Pacific testing infrastructure role.
- Acquisitions of Verus Research and Phased n Research expand R&D for DoD contracts.
What critics are saying
- HEL development delays persist beyond Army's 2022 prototype deadline.
- Chinese export controls strand $370M microchip facility in 12-24 months.
- DoD budget shifts to hypersonics cut HEL/HPM contracts by 20-40%.
What makes Radiance Technologies unique
- Radiance leads in high energy lasers and high power microwaves for U.S. military modernization.
- Develops critical components, system analytics, and live fire tests for directed energy.
- Integrates HELMTT from 10kW HELMD and advances manufacturing via MACHEL contract.
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Benefits
Health Insurance
Dental Insurance
Vision Insurance
Life Insurance
401(k) Retirement Plan
Profit Sharing
Paid Vacation
Company News
Radiance Technologies has engaged Major General (Ret.) Timothy A. Sejba as a strategic consultant to guide the company's space-related technologies and capabilities. Sejba brings nearly three decades of experience across the US Air Force and US Space Force. During his military career, Sejba served as Special Assistant to the Vice Chief of Space Operations and Commander of Space Training and Readiness Command. He also held Programme Executive Officer roles for Space Domain Awareness and Combat Power at Space Systems Command, with earlier assignments at the National Reconnaissance Office and Defence Threat Reduction Agency. In his consulting role, Sejba will analyse potential markets across the Department of Defence and advise Radiance leadership on strategic vision related to space capabilities. Founded in 1999, Radiance Technologies is an employee-owned contractor with over 1,000 staff.
Radiance Technologies promotes space group vice president Paul Lithgow to Chief Growth Officer. HUNTSVILLE, Ala., March 27, 2026 /PRNewswire/ - Radiance Technologies is pleased to announce the promotion of Mr. Paul Lithgow to Chief Growth Officer. In this executive leadership role, Mr. Lithgow will oversee the company's growth strategy and development while spearheading future business growth initiatives. Mr. Lithgow brings 40 years of aerospace and defense experience to Radiance, including 30 years in engineering and management at government contractors and more than six years as a chief executive for companies providing space systems, satellite components, and satellite communications hardware and services. His extensive background includes board memberships with several space-involved companies. "I have known Paul for nearly 40 years and respect his judgement," said Bill Bailey, Chief Executive Officer of Radiance Technologies. "His experience in growing companies aligns perfectly with our strategic vision as we continue to expand our footprint in the defense and intelligence community." Mr. Lithgow is recognized as a subject matter expert in space systems, acquisition, and systems management. His unique combination of technical expertise and business acumen has proven invaluable in translating key technical capabilities into customer mission enablers. He holds a Master of Science in Mechanical Engineering from Wright State University and a Bachelor of Science in Aerospace Engineering from The University of Arizona. About Radiance Technologies: Radiance Technologies is an employee-owned prime contractor founded in 1999. Radiance has over 1000 employee-owners across the United States serving the Department of Defense, the national intelligence community, and other government agencies. From concepts to capabilities, Radiance leads the way in developing customer-focused solutions in the areas of cybersecurity, systems engineering, prototyping, and integration, as well as operational and strategic intelligence, including scientific and technical intelligence SOURCE Radiance Technologies
Defense contractor Radiance Technologies is investing $370 million to expand in Louisiana with a new secure microchip packaging facility in Lincoln Parish in the northwest region of the state.
Radiance Technologies to invest $370M in North Louisiana microchip facility, boosting economy and national security.
Radiance Technologies is pleased to announce the appointment of Mr. Scott Parker, Chief Financial Officer of the $5+ billion Gray, Inc. (Gray), to its Board of Directors.