Demo

Senior Admin Specialist, III

Sentar
Columbia, MD Full Time
POSTED ON 10/9/2026
AVAILABLE BEFORE 12/8/2026

Sentar is proud to be an employee-owned company, fostering a culture of empowerment, collaboration, and innovation. Sentar is dedicated to developing the critical talent that the connected world demands to create solutions to address the convergence of cybersecurity, intelligence, analytics, and systems engineering. We invite you to join the team where you can build, innovate, and secure your career.

Sentar is seeking a Senior Admin Specialist, III in Columbia, MD!

Role Description:

Apply specific functional, working, and general industry knowledge. Develop or contribute to solutions for a variety of problems of moderate scope and complexity. Work independently with some guidance.

Qualifications:

Clearance Level: TS/SCI with active Poly

Education:

  • HS diploma or GED

Experience:

  • 10 years of experience with office administration
  • Experience with using Microsoft Office, including Outlook

Benefits at Sentar:

Our unique employee ownership model attracts top talent, giving employees the freedom to take initiative and drive meaningful improvements. In addition to cultivating a thriving and inclusive work environment, Sentar offers an extensive benefits package designed to support the well-being of employees and their families. Employee ownership is the foundation of our culture, promoting participation, teamwork, and accountability while ensuring long-term financial security and a commitment to excellence.

  • Voluntary Medical, Dental, Vision, with Flexible Spending Plan options
  • Voluntary Life, Critical Illness, Accident, and Long Term Care insurance options
  • Group Term Life, Short-Term and Long-Term Disability is provided by Sentar to all qualifying employees
  • Generous 401(k) match
  • Competitive PTO plan that graduates quickly with years of service
  • Other leave programs; holiday schedule along with bereavement, maternity, jury and military duty
  • Tuition reimbursement
  • Professional development reimbursement
  • Recognition and Awards programs

If you are not ready to apply for this position, submit your resume here to join our talent community. We'll keep you updated occasionally on new job opportunities.

Sentar is an Affirmative Action and Equal Opportunity Employer M/F/Vets/Persons with Disabilities

Our culture is one of inclusivity and support. Sentar is proudly an Equal Opportunity and VEVRAA Federal Contractor Employer M/F/Vets/Persons with Disabilities. Follow these links to learn more about your rights: EEO Is the Law Poster; EEO Is Law Supplement; and Pay Transparency.

We want you to build your career at Sentar, so if you are an individual with a disability and require a reasonable workplace accommodation applying for a job or at any point in the employment process, contact the Recruiting Manager at recruiting@sentar.com. Please indicate the specifics of the assistance needed. Thank you for considering Sentar in your employment search.

Build, Innovate, Secure Your Career at Sentar.

Salary.com Estimation for Senior Admin Specialist, III in Columbia, MD
$61,520 to $75,767
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