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60 Mantech Administrative Assistant. Jobs Hiring Near You

ManTech

Administrative Assistant

Washington, DC · Hybrid

$52K - $87K/yr

MANTECH seeks a career and customer-oriented Administrative Assistant to join our team in Washington, D.C. This is a hybrid position with 1 day onsite and 4 days remote per week. Responsibilities ...

ManTech

Naval Administrative Assistant

Chesapeake, VA · On-site

$30K - $50K/yr

MANTECH seeks a motivated, career customer-oriented Naval Administrative Assistant to join our team in Chesapeake, VA . This is an onsite position. Responsibilities include but are not limited to:

ManTech

Assistant Wargame Director

Quantico, VA

$97K - $161K/yr

MANTECH seeks a motivated, career and customer-oriented ASSISTANT WARGAME DIRECTOR to join our team ... Perform day-to-day administrative tasks and requirements in support of multiple multi ...

ManTech

Assistant Wargame Director

Quantico, VA

$97K - $161K/yr

MANTECH seeks a motivated, career and customer-oriented ASSISTANT WARGAME DIRECTOR to join our team ... Perform day-to-day administrative tasks and requirements in support of multiple multi ...

ManTech

Program Security Assistant

Chantilly, VA

$75K - $125K/yr

MANTECH seeks a motivated, career and customer-oriented Program Security Assistant to join our team ... administrative security issues affecting the mission. PSA shall provide security support to ...

ManTech

Program Security Assistant

Chantilly, VA · On-site

$75K - $125K/yr

MANTECH seeks a motivated, career and customer-oriented Program Security Assistant to join our team ... administrative security issues affecting the mission. PSA shall provide security support to ...

ManTech

Business Operations Specialist

Aiea, HI · On-site

$54K - $90K/yr

... routine administrative inquiries, and assist in tracking personnel onboarding and clearance ... In addition, MANTECH invests in its employees beyond just compensation. MANTECH's benefits ...

ManTech

Program Security Assistant

Chantilly, VA · On-site

$75K - $125K/yr

MANTECH seeks a motivated, career and customer-oriented Program Security Assistant to join our team ... administrative security issues affecting the mission. PSA shall provide security support to ...

ManTech

Business Operations Specialist

Herndon, VA · On-site

$60K - $99K/yr

... routine administrative inquiries, and assist in tracking personnel onboarding and clearance ... In addition, MANTECH invests in its employees beyond just compensation. MANTECH's benefits ...

ManTech

Engineering Technician

Virginia Beach, VA · On-site

$64K - $107K/yr

MANTECH seeks a motivated, career and customer-oriented Engineering Technician to join our team in ... level administrative functions for engineering programs, including preparing complex technical ...

ManTech

Program Security Analyst

Quantico, VA · On-site

$97K - $161K/yr

MANTECH seeks a motivated, career and customer-oriented Program Security Analyst to support our ... Administrative skills (Advanced working knowledge of O365 products) * Experience with planning ...

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ManTech Jobs Information

Do workers at ManTech get paid breaks?

Yes. Most people get paid breaks.
100% of people say they get paid breaks.
Based on data from 8 people who took the Breakroom Quiz between December 2024 and June 2026.

Does ManTech pay people when they’re sick?

Sometimes. Only some people get paid when they’re sick.
46% of people say they wouldn’t get paid if they were sick but scheduled to work.
Based on data from 13 people who took the Breakroom Quiz between December 2024 and June 2026.

At ManTech, are sick days and vacation days separate paid time off?

Only some people have separate paid time off for sick days and vacation.
45% of people say they have to use vacation days when they’re out sick.
Based on data from 11 people who took the Breakroom Quiz between June 2025 and June 2026.

Is the health insurance from ManTech affordable enough for their workers?

Most people say the health insurance costs are okay.
83% of people say the health insurance costs are okay
Based on data from 6 people who took the Breakroom Quiz between March 2025 and June 2026.

Do people get paid time off at ManTech?

Most people get paid time off work.
100% of people say they get paid time off.
Based on data from 11 people who took the Breakroom Quiz between June 2025 and June 2026.

How far ahead of time do people find out their work schedule?

Most people find out their schedule less than four weeks ahead of time.
  • 80% of people with changing schedules find out their shifts one week or less ahead of time.
  • 20% of people with changing schedules find out their shifts two weeks ahead of time.
  • 0% of people with changing schedules find out their shifts three weeks ahead of time.
  • 0% of people with changing schedules find out their shifts four weeks or more ahead of time.

Based on data from 5 people who took the Breakroom Quiz between March 2025 and March 2026.

Do workers at ManTech worry about hours?

Most people don’t worry about getting enough hours.
100% of people report they don’t worry about getting enough hours.
Based on data from 6 people who took the Breakroom Quiz between December 2024 and March 2026.

Do ManTech workers get to choose the shifts they work?

Some people don’t get to choose which shifts they work.
50% report that they don’t have enough control over which shifts they work.
Based on data from 6 people who took the Breakroom Quiz between December 2024 and March 2026.

How easy is it for ManTech workers to change shifts?

Most people find it easy to change shifts.
80% of people report that it’s easy to change shifts if they need to.
Based on data from 5 people who took the Breakroom Quiz between March 2025 and March 2026.

How easy is it to get time off at ManTech?

Most people find it easy to get time off.
100% of people report it’s easy to get time off.
Based on data from 14 people who took the Breakroom Quiz between December 2024 and June 2026.

Do ManTech managers change schedules at the last minute?

Most managers don’t change people’s schedules at the last minute.
88% of people say their manager doesn’t change their shift schedule at the last minute.
Based on data from 8 people who took the Breakroom Quiz between December 2024 and March 2026.

Do jobs at ManTech spill into time workers aren’t paid for?

Rarely. The job doesn't usually spill into unpaid time.
25% of people report that their job takes up time that they don’t get paid for.
Based on data from 8 people who took the Breakroom Quiz between December 2024 and March 2026.

How easy is it to take sick days at ManTech?

Most people find it easy to take sick days.
100% of people report that it’s easy to take time off if they are sick.
Based on data from 14 people who took the Breakroom Quiz between December 2024 and June 2026.

Is working at ManTech good if you’re a parent or caregiver?

Most parents and caregivers say this is a good place to work.
100% of people who care for a child or other relative report this is a good place to work.
Based on data from 7 people who took the Breakroom Quiz between December 2024 and April 2026.

Do people at ManTech feel treated with respect by their managers?

Most people feel treated with respect by their managers.
93% of people say they’re treated with respect by their managers.
Based on data from 14 people who took the Breakroom Quiz between December 2024 and June 2026.

Do people at ManTech get to take their breaks without interruption?

Most people get breaks without interruption.
85% of people report that they get to take their breaks without interruption.
Based on data from 13 people who took the Breakroom Quiz between December 2024 and June 2026.

Is it stressful to work at ManTech?

Some people feel stressed out here.
46% of people say they often feel stressed out at work.
Based on data from 13 people who took the Breakroom Quiz between December 2024 and June 2026.

Do people at ManTech enjoy their jobs?

Most people enjoy their job.
89% of people report they enjoy their job.
Based on data from 9 people who took the Breakroom Quiz between December 2024 and June 2026.

Do people at ManTech recommend working with their team?

Most people recommend working with their team.
79% of people report that they would recommend working with their immediate team to a friend.
Based on data from 14 people who took the Breakroom Quiz between December 2024 and June 2026.

Do people get enough training when they start at ManTech?

Some people didn’t get enough training when they started.
43% of people report they didn’t get enough training when they started working here.
Based on data from 14 people who took the Breakroom Quiz between December 2024 and June 2026.

Do people get support to advance at ManTech?

Most people are given support to advance their career here.
In the last year, 67% of people report being given support to advance their career here.
Based on data from 12 people who took the Breakroom Quiz between December 2024 and June 2026.

Do people think ManTech’s headquarters understands what’s happening where they work?

Most people think headquarters doesn’t understand what’s happening where they work.
69% of people think that this employer’s headquarters or owners don’t have a good understanding of what’s really happening where they work.
Based on data from 13 people who took the Breakroom Quiz between December 2024 and June 2026.

Do workers feel well informed about how ManTech is doing?

Most people feel well informed about how the company is doing.
69% of people feel that they are kept well informed about how the company is doing as a whole.
Based on data from 13 people who took the Breakroom Quiz between December 2024 and June 2026.
What other companies are hiring for Administrative Assistant. jobs?
What are the most popular jobs at Mantech?
What are the most popular categories at Mantech?
Infographic showing various Administrative Assistant. job openings at Mantech in the United States as of August 2026, with employment types broken down into 100% Full Time. Highlights an 88% Physical, 5% Hybrid, and 7% Remote job distribution.

Administrative Assistant

ManTech

Washington, DC • Hybrid

$52K - $87K/yr

Full-time

Medical, Life, Retirement, PTO

Posted 6 days ago

ManTech rating

9.0

Company rating: 9.0 out of 10

Based on 14 frontline employees who took The Breakroom Quiz

32nd of 243 rated software companies

Job description

Description & Requirements
Unlock the secrets of intelligence with MANTECH! Join a dynamic team at the forefront of national security, providing advanced solutions to government intelligence agencies. Since 1968, we've been solving the toughest challenges with groundbreaking tech. Explore thrilling projects in Digital Transformation, Cybersecurity, IT, Data Analytics and Software Development. Elevate your career and make a difference. Your adventure begins now-unleash your potential with MANTECH!
***This is for a future opportunity***

MANTECH seeks a career and customer-oriented Administrative Assistant to join our team in Washington, D.C. This is a hybrid position with 1 day onsite and 4 days remote per week.

Responsibilities include but are not limited to:

  • Provide high-level organizational and administrative support vital to the operational success of the government customer
  • Manage the administrative lifecycle of mission-essential documentation, including the processing and tracking of Scientific and Technical Information and contract deliverables 
  • Serve as a central point of contact for personnel administrative tracking, including the oversight of clearance documentation. 

  • Coordinating complex domestic and international travel requirements, ensuring all personnel movements comply with Department of Homeland regulations and mission timelines

  • Perform specialized word processing and document reproduction to ensure all program outputs meet high-quality standards
  • Facilitate communication between government stakeholders and technical teams, manage leadership calendars, and maintain organized documentation libraries
  • Assist in the administrative aspects of planning, coordinating, recordkeeping, and post-event reporting for off-site conferences and workshops
  • Ensure the organizational infrastructure remains robust and responsive to evolving mission needs by streamlining office workflows and supporting transition-in/transition-out activities
  • Ensure that all deliverables meet DHS S&T quality standards

Required Qualifications:

  • 5+ years of work experience in office administration

  • Experience facilitating communication between government stakeholders, managing leadership calendars, and maintaining organized documentation libraries

  • Proficiency with coordinating complex domestic and international travel arrangements

  • Proven track record of performing specialized word processing and document reproduction

  • Experience with developing complex reports and briefings for senior leadership

Preferred Qualifications:

  • Bachelor's degree

Security Clearance Requirements:

  • Must be able to obtain a DHS Public Trust clearance prior to starting this position

Physical Requirements:

  • The person in this position must be able to remain in a stationary position 50% of the time
  • Occasionally move about inside the office to access file cabinets, office machinery, or to communicate with co-workers, management, and customers, via email, phone, and or virtual communication, which may involve delivering presentations

The projected compensation range for this position is $52,700.00-$87,000.00. There are differentiating factors that can impact a final salary/hourly rate, including, but not limited to, Contract Wage Determination, relevant work experience, skills and competencies that align to the specified role, geographic location (For Remote Opportunities), education and certifications as well as Federal Government Contract Labor categories.  In addition, MANTECH invests in its employees beyond just compensation.  MANTECH's benefits offerings include, dependent upon position, Health Insurance, Life Insurance, Paid Time Off, Holiday Pay, short-term and long-term Disability, Retirement and Savings, Learning and Development opportunities, wellness programs as well as other optional benefit elections.

MANTECH considers all qualified applicants for employment without regard to disability or veteran status or any other status protected under any federal, state, or local law or regulation.
If you need a reasonable accommodation to apply for a position with MANTECH, please email us at careers@mantech.com and provide your name and contact information.

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