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Technical Administrative Assistant III

Sierra Nevada Corporation
Hagerstown, United Statesfull_timeVerifiedPosted 11 Aug 2026
💰 $72,000/yr($52,000/yr$72,000/yr)

About the role

Do you lead by example, are highly organized, have technical expertise and excellent communication skills? Then come take your career to the next level! As a Technical Administrative Assistant III, you will provide high-level administrative support to field teams and deployable personnel, ensuring smooth and efficient coordination of deployment activities, travel logistics, and medical requirements. Your role involves managing multiple high-level administrative tasks and liaising with military and government contacts.

The Mission Solutions and Technologies (MST) business area provides affordable, turn-key command/control, communications, integrated ISR, force protection and security solutions worldwide. The MST team has a long legacy of supporting the Department of Defense, Department of Homeland Security, commercial and international customers with years of experience in platform operations, engineering and full lifecycle management across domains – air, land, sea, space and cyber.

Responsibilities:

  • Assemble and manage comprehensive deployment packages for high-stakes operations.

  • Plan, coordinate, and manage intricate travel logistics for field teams.

  • Oversee and manage extensive medical, dental, and vision requirements for deployed personnel.

  • Prepare, review, and submit comprehensive expense reports and purchase requisitions.

  • Maintain and efficiently manage office supply inventory.

  • Initiate, track, process, and verify complex data from multiple sources accurately.

  • Utilize various IT platforms proficiently to support daily administrative tasks.

  • Coordinate and communicate effectively with key contacts on military bases and government buildings.

  • Manage and oversee security and government clearance processes efficiently.

  • Prepare and edit communications, presentations, and documents.

  • Act as a liaison between executives and internal/external stakeholders.

  • Handle high-level administrative tasks with a focus on business operations.

  • Facilitate coordination between teams and departments.

  • Support onboarding and training for new employees.

  • Organize team-building and employee engagement activities.

  • Draft and review internal and external communications.

  • Handle confidential information with discretion.

  • Manage the flow of information and communications.

Qualifications You Must Have:

  • High school diploma or equivalent.

  • 3+ years of relevant experience.

  • Higher level relevant degree may substitute for experience.

  • Proficient in Microsoft Office Suite (e.g. Word, Excel, Outlook, Teams, OneNote and SharePoint Online), Travel and Expense Platforms (e.g. Concur), and Project Management Applications (e.g. Smartsheet or Microsoft Project).

  • The ability to obtain and maintain a Secret U.S. Security Clearance is required

Qualifications We Prefer:

  • Associate’s degree in Business Administration or a related field.

  • Experience in the Aerospace and Defense industry.

  • Expert knowledge of security and clearance processes.

  • Certifications such as Professional Administrative Certification of Excellence (PACE) or Certified Associate in Project Management (CAPM) are optional but beneficial.

  • Proficient knowledge of administrative practices including preparing expense reports and purchase requisitions and coordinating meetings, events and travel.

  • Professional demeanor and excellent communication skills.

  • Strong organizational skills with the ability to manage multiple tasks simultaneously.

  • Excellent interpersonal skills and ability to work well with teams.

  • Ability to develop solutions to moderately complex problems by applying experience and knowledge. 

  • Ability to handle confidential and sensitive information.

Essential Functions:

  • Ability to lift up to 20 lbs regularly.

  • Ability to sit or stand for extended periods.

  • Proficiency with computers and office equipment.

  • Manual dexterity for handling office supplies and equipment.

  • Ability to work in an office environment.

  • Ability to travel may be required.

This posting will be open for application for a minimum of 5 days and may be extended based on business needs.

Estimated Starting Salary Range: $26.39 - $36.29. Compensation varies depending on a wide array of factors, such as candidates' key skills, relevant work experience, and

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Company

Sierra Nevada Corporation

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