Administrative Assistant III

Job Title

Administrative Assistant III

Trimitron Corporation

On-site in Norfolk, VA

Full-Time Equivalent (FTE)

Trimitron Corp. is seeking an experienced Administrative Assistant III supporting the Naval Information Warfare Center (NIWC) Pacific’s Positioning, Navigation, and Timing (PNT) Division to provide high-level administrative and operational support to senior leadership. This role serves as the primary administrative lead within the department, responsible for managing complex processes, coordinating cross‑functional activities, and ensuring the accuracy and professionalism of all departmental documentation.

The ideal candidate brings strong technical writing skills, exceptional attention to detail, and the ability to operate independently in a fast‑paced, mission‑driven environment.

• Critically review, independently edit, format, and synthesize various types of input—including verbal notes, emails, drafts, and technical content—into cohesive, professional documents aligned with DoD/Federal standards.
• Prepare correspondence and documentation for senior stakeholders, including Chief Information Officers (CIOs) and Customer Technical Representatives (COTRs).
• Manage, update, and distribute departmental documents such as organizational announcements, distribution lists, media lists, and data access forms.
• Coordinate and support administrative processes, projects, and workflows across the department.
• Serve as the primary administrative support resource, overseeing several ongoing and complex processes unique to the department.
• Assign, guide, and/or monitor the work of other administrative personnel, student workers, or Graduate Assistants as needed.
• Support senior leadership with scheduling, communication, document control, and operational coordination.

• Strong proficiency with Microsoft Office Suite (Word, Excel, PowerPoint, Outlook) and SharePoint.
• Demonstrated ability to independently edit, format, and synthesize information into clear, accurate, and compliant documents.
• Six (6) to nine (9) years of directly applicable administrative experience.
• Associate’s degree or higher.
• An advanced degree may substitute for two years of experience.
• Proven ability to manage multiple priorities, maintain confidentiality, and support senior-level stakeholders.

• Experience working in a military or DoD environment, including familiarity with technical documents such as point papers, policies, and official messages.
• Ability to independently track and manage activities such as supply orders, equipment inventories, cost accounting data, and personnel training records.
• Strong written and verbal communication skills, with the ability to produce polished, professional documentation.
• Experience supporting high-level leadership and coordinating cross‑functional administrative processes.

We offer competitive pay and generous benefits including comprehensive medical insurance package, 401k with company match, employee assistance program and company-paid benefits.

Mid‑Senior level

Full‑time

Administrative

Wireless Services