Senior Administrative Assistant

MANTECH

The Senior Administrative Assistant will offer on-site support to senior leaders by managing calendars, answering phones, and reviewing documents.

Last checked on June 14, 2026. We may earn a commission when you click through.

✓ Engaging work environment ✓ Direct interaction with senior leadership ✓ Potential for professional growth

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MANTECH Chantilly

Senior Administrative Assistant

Updated 3 months ago

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If you're an experienced administrative professional seeking a challenging position, this opportunity at MANTECH could be a great fit.

About this role

The Senior Administrative Assistant will offer on-site support to senior leaders by managing calendars, answering phones, and reviewing documents.

About the Company

MANTECH is a technology company focused on delivering innovative solutions and support services.

Key Highlights

✓ On-site administrative support to senior leaders
✓ Calendar management and document review
✓ Direct communication with stakeholders
✓ Opportunity to work in a dynamic environment

Honest Take

This role suits those with extensive administrative experience, but it may not be ideal for entry-level candidates.

Pros

✓ Engaging work environment
✓ Direct interaction with senior leadership
✓ Potential for professional growth

Cons

✗ Requires senior-level experience
✗ On-site only, no remote options
✗ High-pressure responsibilities

Best For

Ideal for individuals with strong organizational and communication skills who thrive under pressure.

Watch Out

Be prepared for a demanding role that requires multitasking and prioritization of various tasks.

What Customers Say

Current employees commend the supportive environment but note the high expectations and workload.

Expert Review

In the role of Senior Administrative Assistant at MANTECH, candidates will find themselves in a vital position supporting the executive team. This includes managing complex calendars and facilitating communication across various departments.

The position requires a significant level of experience, making it less suitable for those new to the field. The on-site requirement means that flexibility is limited, focusing on those who can manage the demands of a busy office environment.

While the role offers exposure to high-level operations, the pressure to perform can be intense. Candidates should be prepared to handle multiple tasks simultaneously, as the workload can be quite demanding. According to MANTECH's page, the emphasis on professional growth is a key selling point for those looking to advance their careers.

Overall, this position presents an excellent opportunity for skilled administrative professionals. If you meet the experience criteria, this could be a chance to make a significant impact within the company.