Office Manager

Office Manager 

Location: St. Louis, MO (On-site)
Job type: Contract-to-hire (6 months)
Schedule: 40 hours/week
Pay rate: $51–$53/HR
Security clearance: Active TS/SCI required; ability to obtain polygraph required

About the role

We’re seeking an experienced Office Manager / Staff Officer to keep a fast-paced office running smoothly. In this role, you’ll be the go-to partner for leadership and staff—owning day-to-day administration, coordinating meetings and events, managing taskers/suspenses, supporting travel, and keeping communication and reporting organized and on time.

What you’ll do

• Manage calendars, scheduling, and meeting coordination (including conference rooms and VTC/online setup)
• Prepare and organize materials for briefings, town halls, offsites, and leadership meetings
• Track and coordinate office taskers/suspenses (e.g., routing, deadlines, responses)
• Draft, edit, and format correspondence, memos, reports, meeting minutes, and staff summaries
• Build weekly activity reports and one-time/special reports by synthesizing information from multiple sources
• Coordinate events and staff meetings: agendas, read-aheads, minutes, and action-item tracking through closeout
• Support travel logistics (orders/vouchers) and conference planning (experience with DTS/MET is a plus)
• Maintain office files/records and support information management practices
• Maintain SharePoint sites, distribution lists, org charts, and recall rosters
• Help manage permissions/security groups and shared-folder access
• Handle office logistics (supplies, seating charts, office moves, equipment tickets)
• Suggest process improvements (checklists, SOPs, and smoother business rhythms)

What you’ll bring (required)

• Bachelor’s degree in Business, Management, or related field and 7+ years relevant experience
  (or 10+ years directly applicable experience in lieu of a degree)
• Strong organization, prioritization, and problem-solving skills in a deadline-driven environment
• Clear, professional written and verbal communication (able to produce concise, polished materials)
• High attention to detail and ability to manage multiple competing priorities
• Comfortable interacting with all levels, including senior leadership and external partners
• Ability to work independently and collaboratively
• Strong Microsoft Office skills (Word, Excel, PowerPoint, Outlook)
• Experience administering/maintaining SharePoint
• Comfort operating common office/IT equipment (scanners, copiers, phones, VTC tools, etc.)

Nice to have

• Familiarity with government environments/systems (e.g., N-CERTS, MET)
• DTS experience
• Exposure to DCIPS and/or PeopleSoft

System One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America. We help clients get work done more efficiently and economically, without compromising quality. System One not only serves as a valued partner for our clients, but we offer eligible employees health and welfare benefits coverage options including medical, dental, vision, spending accounts, life insurance, voluntary plans, as well as participation in a 401(k) plan.





System One is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender identity, age, national origin, disability, family care or medical leave status, genetic information, veteran status, marital status, or any other characteristic protected by applicable federal, state, or local law.




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