Mission Support Administrator - Security Clearance

Position: Mission Support Administrator - Full Performance with Security Clearance
Mission Support Administrator - Full Performance Position Type:
Full-Time, Exempt

Work Location:

Chantilly, VA;
McLean, VA Clearance: TS/SCI with polygraph

Shift: M-F 9A-5P Patriot Group International Inc. (PGI), voted #1 Best Place to Work by Virginia Business Magazine and the Best Companies Group, offers an unrivaled hybrid of specialized services by combining security and risk management disciplines with a special operations and intelligence perspective. We are looking to hire a Mission Support Administrator - Full Performance to join our team in the Northern Virginia area, where we provide the delivery of advanced IT hardware, mission-critical services, and integrated technology solutions to key branches of the U.S. government-including the Army, Navy, and Air Force-supporting their operational readiness, cybersecurity posture, and digital transformation initiatives.

This position reports to the Program Manager. This full performance Mission Support Administrator (MSA) role in the WMA area involves independently managing and executing complex end-to-end (E2E) workflow processes, resolving cross-functional issues, and providing comprehensive administrative support to programs, projects, or functional areas. The work requires interpreting and applying established policies to unique and often complex situations, with minimal supervision.

MSAs at this level also train and mentor junior contractors, demonstrating a high degree of adaptability, judgment, and initiative across a wide range of administrative and operational tasks. The Mission Support Administrator - Full Performance will be responsible for the following:
* Serve as primary POC for end-to-end (E2E) workflow processes; track, monitor, and ensure timely completion.

* Interpret and apply policies to standard and unique administrative scenarios in coordination with government POCs.

* Coordinate across multiple work units; resolve workflow issues and quality-check deliverables.

* Oversee and guide the work of other contractors; train and reinforce best practices.

* Maintain and analyze data from multiple sources; develop metrics, reports, and informed recommendations.

* Prepare and deliver briefings and status updates on projects, processes, or business areas.

* Support budget tracking and spend plan monitoring for assigned projects or functions.

* Conduct quality assurance checks; troubleshoot and refine workflows to increase efficiency.

* Ensure compliance with agency/IC policies; seek guidance for deviations and implement corrective actions.

* Lead daily administrative operations; manage calendars, meetings, off-sites, and conferences.

* Draft and edit original correspondence; represent work unit at internal and external meetings as needed.

* Coordinate office moves and renovations in collaboration with facilities teams.

* Administer and troubleshoot office databases, SharePoint sites, and T&A systems; perform data clean-up.

* Support travel planning, passport/visa processing, and submission of vouchers (travel, POV, training).

* Manage office inventory, supply orders, and equipment maintenance.

* Greet and escort visitors; manage clearance passes and access requests.

* Maintain organized office files; ensure compliance with Records Control Schedule.

* Coordinate check-in/check-out processes for incoming and outgoing personnel.

* Other duties as required or delegated by the Program Manager

Required Qualifications:

* Must possess a high school diploma

* A minimum of four (4) years of prior administrative support or comparable experience, demonstrating the ability to perform at increased levels of complexity and responsibility through problem solving, working independently, sound judgment, and initiative. Applicable higher education may be substituted for up to one (1) year of work experience.

* Apply policies and procedures to unique and complex administrative situations

* Deep knowledge of Agency and IC administrative processes and systems

* Proficient in internal admin support tools and Microsoft Office Suite (Word, Excel, PowerPoint, Outlook)

* Basic understanding of project management to support end-to-end workflows

* Strong analytical skills to interpret complex data and develop actionable insights

* Clear written communication skills for composing original, moderately complex documents

* Effective verbal communication to explain procedures and address stakeholder questions

* Strong planning and organizational skills to manage multiple workflow activities

* Representational skills to engage in meetings and forums with professionalism and protocol

* Excellent interpersonal skills to gather requirements and maintain collaborative relationships

* Proven time management skills to adapt to changing priorities

* Ability to build and maintain a broad professional network across the workforce

* High level of discretion and confidentiality handling sensitive information

* Ability to train, mentor, and guide junior administrative personnel

* Ability to complete PGI application process,…