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Administrative Assistant

Job in Chantilly, Fairfax County, Virginia, 22021, USA
Listing for: Trinzic
Full Time position
Listed on 2026-10-17
Job specializations:
  • Administrative/Clerical
    Office Administrator/ Coordinator, Executive Admin/ Personal Assistant
  • Business
    Office Administrator/ Coordinator
Salary/Wage Range or Industry Benchmark: 98000 - 115000 USD Yearly USD 98000.00 115000.00 YEAR
Job Description & How to Apply Below

Title:

Administrative Assistant

At K , we deliver science, technology and engineering solutions to governments and companies around the world. K  employs approximately 37,000 people worldwide with customers in more than 85 countries and operations in over 28 countries. K  is proud to work with its customers across the globe to provide technology, value-added services, and long-term operations and maintenance services to ensure consistent delivery with predictable results.

Trinzic is the future independent company to be created through the planned spin-off of K 's Mission Technology Solutions business, expected in January 2027. Our people work at the frontier of what is possible, delivering solutions in challenging environments and advancing some of the world's highest-priority national security and space missions.

Backed by decades of mission success, deep expertise, and trusted partnerships, Trinzic will launch as a global organization with more than 18,000 employees supporting customers around the world. Join us at a defining moment and help shape the future of a company built to tackle complex challenges and make a meaningful impact.

Candidates who join K 's Mission Technology Solutions business before the spin-off will transition to Trinzic when the separation is complete and will not need to reapply for employment.

Belong. Connect. Grow. with K !

K ’s National Security Solutions team provides high-end engineering and advanced technology solutions to our customers in the intelligence and national security communities. In this position, your work will have a profound impact on the country’s most critical role – protecting our national security.

K  is seeking an Administrative Assistant dedicated to providing comprehensive administrative support and mission assistance across multiple functions or business areas within customer offices. This individual will serves as the principal administrative support resource for the organization(s), applying knowledge of administrative, management, and operational processes to coordinate activities, manage priorities, track actions, and facilitate communication across multiple stakeholders. Works independently with minimal supervision and exercises judgment in managing competing priorities, resolving administrative issues, and supporting leadership decision-making.

Why

Join Us?
  • Innovative Projects: K ’s work is at the forefront of engineering, logistics, operations, science, program management, mission IT and cybersecurity solutions.

  • Collaborative Environment:
    Be part of a dynamic team that thrives on collaboration and innovation, fostering a supportive and intellectually stimulating workplace.

  • Impactful Work:
    Your contributions will be pivotal in designing and optimizing defense systems that ensure national security and shape the future of space defense.

Work Environment
  • Location:

    On-site

  • Travel Requirements:
    Minimal

  • Working Hours:

    Standard

Key Responsibilities
  • Provide administrative and operational support for day-to-day office activities, ensuring efficient workflow and continuity of operations.

  • Coordinate, schedule, and support meetings, conferences, workshops, working groups, and special events; prepares agendas, meeting materials, action items, and meeting summaries.

  • Maintain executive calendars and coordinates appointments, schedules, and organizational activities for assigned personnel.

  • Prepare, review, and coordinate correspondence, reports, briefings, presentations, and other written products for management and external stakeholders.

  • Manage tasking and action-tracking processes, including assigning actions, monitoring suspense dates, coordinating responses, and providing status updates to leadership.

  • Support TIER and other organizational governance…

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