Administrative Assistant Government Contractor Jobs in Springfield, MO

Polaris is a mission-focused federal contractor supporting defense and intelligence community customers with cleared administrative, operational, program, and mission support services. We value professionalism, responsiveness, accountability, and high-quality support to Government customers. Polaris team members are expected to bring sound judgment, discretion, strong communication skills, and a customer-first mindset to every assignment.

Polaris is seeking a Senior Office Management / Staff Officer to provide high-level front office, executive administrative, operational, and staff action support to Government leadership. This position requires an experienced professional who can operate with significant independence, manage complex business rhythms, support executive communications, track high-priority issues, and ensure administrative and operational functions are executed with accuracy, timeliness, and professionalism.

The Senior Office Management / Staff Officer will support senior leaders by managing calendars, meetings, taskers, records, travel, communications, office logistics, and process improvement activities. This role is intended for a candidate who can work with minimal supervision, anticipate leadership needs, coordinate across stakeholders, and mentor less-experienced administrative or staff support personnel.

Springfield, VA and St. Louis, MO. Candidates will be considered for current and anticipated openings based on customer requirements, candidate qualifications, location preference, and position availability.

Active TS/SCI clearance required. Candidate must be eligible for favorable NGA adjudication and willing and able to complete a Counterintelligence‑Scope Polygraph process within 90 days of employment or assignment, if required.

• Provide senior‑level administrative, operational, and staff officer support to Government leadership and front office operations.
• Manage complex calendars, daily schedules, long‑range planning activities, leadership meetings, conferences, off‑sites, and other office business rhythms.
• Draft, edit, format, and prepare executive‑level briefings, talking points, staff summaries, reports, correspondence, read‑ahead materials, and presentations.
• Track strategic, operational, and administrative issues for leadership awareness and action.
• Serve as a lead coordinator for internal and external taskers, including receiving, assigning, tracking, consolidating, and preparing responses for leadership review.
• Coordinate leadership‑directed meetings, including agenda development, read‑ahead distribution, note‑taking, action item tracking, and follow‑up to closure.
• Support travel coordination, including preparation of travel orders, vouchers, and related documentation in applicable Government systems.
• Maintain official records, SharePoint sites, shared folders, distribution lists, recall rosters, organizational charts, and related information management tools.
• Coordinate office logistics, including visitor support, office moves, seating charts, equipment trouble tickets, office supplies, and facility coordination.
• Support information management activities, including access groups, folder structures, permissions, records control, and coordination with designated information officers.
• Identify administrative or business process gaps and develop or update standard operating procedures, checklists, templates, workbooks, and continuity materials.
• Provide guidance and informal mentorship to junior or less‑experienced administrative and staff support personnel.
• Interact professionally with senior leaders, Government personnel, mission partners, industry representatives, and other stakeholders.

• Bachelor’s degree in Business, Management, or a related field.
• 12+ years of demonstrated experience performing significant administrative, office management, staff officer, executive support, or front office support duties.
• In lieu of a degree, 15+ years of directly applicable experience may be considered.
• Demonstrated ability to lead tasks, sub‑tasks, projects, and complex staff actions independently and to closure.
• Experience supporting senior‑level leadership in a fast‑paced Government, defense, intelligence, or mission support environment.
• Expert‑level written and oral communication skills.
• Ability to prepare concise, accurate, and professional reports, correspondence, briefings, and staff packages.
• Ability to manage competing priorities, anticipate requirements, and maintain attention to detail under time‑sensitive conditions.
• Strong problem‑solving, critical thinking, customer service, and interpersonal skills.
• Proficiency with Microsoft Office, including Word, Excel, PowerPoint, Outlook, and SharePoint.
• Ability to operate common office information technology equipment, including printers, scanners, phones, workstations, and teleconference or video teleconference systems.

• Experience with Government tasking, travel, personnel, records, or workflow systems.
• Experience with Defense Travel System, Management and Execution Tracker, NGA Central Electronic Routing and Tasking System, Defense Civilian Intelligence Personnel System, PeopleSoft, or similar tools.
• Experience developing or maintaining standard operating procedures, user guides, continuity books, leadership workbooks, or office management templates.
• Experience supporting records management, information management, or SharePoint‑based collaboration environments.
• Prior experience supporting NGA, the Intelligence Community, Department of Defense, or comparable federal mission environments.
• 401(k) company match
• Company Provided Life Insurance
• Employee Assistance Program
• Disability insurance

Polaris Consulting Group, Inc., is an 8(a) certified, Service‑Disabled Veteran Owned Small Business based in Alexandria, VA. Our cleared business professionals are experienced, knowledgeable, subject matter experts who make our clients mission their own. We combine innovation with expertise and industry‑standard techniques to deliver people, processes, technology, and information solutions critical to mission success. www.polarisgov.com

Polaris is an Equal Opportunity/Affirmative Action employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or veteran status, or any other protected class.