Mission Support Administrator

Markon is seeking a Mission Support Administrator to provide comprehensive administrative and office management support to an Intelligence Community customer. This role supports day-to-day operations by ensuring efficient coordination of schedules, meetings, communications, and office activities. This role requires you to be highly organized, detail-oriented, and capable of managing multiple priorities in a fast-paced, mission-focused environment. This position will initially be based in Springfield, VA then move to Herndon, VA sometime in the Summer of 2026.

Maintain and manage executive and team calendars, including scheduling meetings and resolving conflicts.
• Coordinate and support meetings, briefings, and events, including logistics, materials, and note-taking as required.
• Draft, review, and manage office correspondence, reports, and administrative documentation.
• Order and track office supplies and support general office management functions.
• Serve as a point of contact for administrative coordination with internal and external stakeholders.
• Maintain organized records, files, and documentation in accordance with customer policies.
• Support office operations, including task tracking, action item management, and follow-ups.
• Assist with preparing presentations and materials for leadership.
• Provide general administrative and mission support as needed to ensure smooth office operations.

• Active TS/SCI clearance with Polygraph required.
• Bachelor's degree in Business Administration or a related field.
• 4 years of experience providing administrative or office management support.
• Strong organizational and time management skills with attention to detail.
• Excellent written and verbal communication skills.
• Proficiency with Microsoft Office Suite (Word, Excel, PowerPoint, Outlook).
• Ability to manage multiple priorities in a fast-paced environment.
• Strong interpersonal and customer service skills.
• Ability to work independently and collaboratively within a team.

Eager to join a team where your skills are valued, your growth is nurtured, and your impact is profound? Look no further than Markon, a premier consulting firm deeply dedicated to advancing our nation's most critical missions.

At Markon, we don't just offer jobs - we offer opportunities for personal and professional transformation. Empowering our employees to lead, innovate, and excel, we foster an environment where new ideas are not just welcomed but celebrated. As a perennial Washington Post Top Workplace, we prioritize the well-being and success of our team members, ensuring they can bring their best selves to work.

Headquartered in Falls Church, Virginia, Markon has garnered national recognition for our unwavering dedication to excellence in serving the intelligence community, as well as federal civilian and defense agencies. Our growing reach extends across 17 states, 116 countries, and 5 continents, where our team of dynamic professionals collaborates to deliver unparalleled program and project management services.

Markon values people and the tremendous impact each individual can make - which is why we're consistently recognized as one of the best places to work in federal government consulting. Here, you can help solve the nation's most important challenges, surrounded by colleagues who help you grow, advance, and succeed. We are deeply dedicated to what matters - bringing out the best in each other to advance our clients' missions.

Join us and make a meaningful impact.

Markon is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, national origin, age, protected veteran status, or disability status. This job posting will remain open until the position is filled.

Benefits Offered: Medical, Dental, Vision, Life Insurance, Short-Term Disability, Long-Term Disability, 401(k) match, Flexible Spending Accounts, EAP, Training and Tuition Assistance, Paid Time Off, and Holidays