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60 Mantech Windows Systems Administrator Jobs Hiring Near You

ManTech

System Administrator

Columbia, MD

$128K - $214K/yr

MANTECH seeks a motivated, career and customer-oriented System Administrator to join our team in ... Configure and manage Linux and Windows (or other applicable) operating systems, install/loads ...

ManTech

Network Systems Administrator

El Segundo, CA

$71K - $118K/yr

MANTECH seeks a motivated, career, and customer-oriented Network System Administrator (NSA) - I to ... Install, maintain, audit, and support a secure MS Windows network environment and limited web/data ...

ManTech International

System Administrator

Columbia, MD · On-site

$128K - $214K/yr

MANTECH seeks a motivated, career and customer-oriented System Administrator to join our team in ... Configure and manage Linux and Windows (or other applicable) operating systems, install/loads ...

ManTech

Linux Systems Administrator

Crane, IN · Hybrid

MANTECH seeks a motivated, career and customer-oriented Senior Linux System Administrator to join ... Provide troubleshooting support for Linux/Windows Operating Systems. * Perform system updates and ...

ManTech

RHEL Systems Administrator

Warrenton, VA · On-site

$107K - $179K/yr

MANTECH seeks a motivated, career and customer-oriented RHEL Systems Administrator (Cameo Administrator) to join our team in Warrenton, VA or Fort Washington. The RHEL Systems Administrator (Cameo ...

ManTech

RHEL Systems Administrator

Warrenton, VA · On-site

$107K - $179K/yr

MANTECH seeks a motivated, career and customer-oriented Linux Systems Administrator (Cameo Administrator) to join our team in Warrenton, VA or Fort Washington. The RHEL Systems Administrator (Cameo ...

MANTECH

Intermediate Systems Administrator

Chantilly, VA · On-site

MANTECH seeks a motivated, mission-oriented Intermediate Systems Administrator to join our team in ... Managing Windows Folders and Files using Attribute-based Access Control (ABAC). * Design, implement ...

MANTECH

Intermediate Systems Administrator

Chantilly, VA · On-site

MANTECH seeks a motivated, mission-oriented Intermediate Systems Administrator to join our team in ... Managing Windows Folders and Files using Attribute-based Access Control (ABAC). * Design, implement ...

MANTECH

Intermediate Systems Administrator

Chantilly, VA · On-site

MANTECH seeks a motivated, mission-oriented Intermediate Systems Administrator to join our team in ... Managing Windows Folders and Files using Attribute-based Access Control (ABAC). * Design, implement ...

MANTECH

Intermediate Systems Administrator

Chantilly, VA · On-site

MANTECH seeks a motivated, mission-oriented Intermediate Systems Administrator to join our team in ... Managing Windows Folders and Files using Attribute-based Access Control (ABAC). * Design, implement ...

MANTECH

Senior Systems Administrator

Chantilly, VA · On-site

$88K - $120K/yr

MANTECH seeks a motivated, mission-oriented Senior Systems Administrator to join our team in ... Knowledge of Windows file and folder permission & inheritance structure * Intermediate knowledge of ...

MANTECH

Senior Systems Administrator

Chantilly, VA · On-site

$88K - $120K/yr

MANTECH seeks a motivated, mission-oriented Senior Systems Administrator to join our team in ... Knowledge of Windows file and folder permission & inheritance structure * Intermediate knowledge of ...

ManTech

System Administrator

Eglin, FL

MANTECH seeks a motivated, career and customer-oriented System Administrator to join our Air Force ... One or more years of experience designing, deploying and maintaining Windows 2012/2012R2 systems ...

ManTech

Systems Administrator

Fort George G Meade, MD · On-site

$128K - $214K/yr

MANTECH seeks an experienced and passionate, career and customer-oriented Systems Administrator to join our team located in the Fort Meade, MD area. Responsibilities include, but are not limited to:

ManTech

Systems Administrator

Silverdale, WA

$98K - $163K/yr

MANTECH seeks a motivated, career and customer-oriented Systems Administrator to join our team working in Silverdale, WA. This is an onsite position. Responsibilities include but are not limited to:

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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 Windows Systems Administrator jobs?
What are the most popular jobs at Mantech?
What are the most popular categories at Mantech?
Infographic showing various Windows Systems Administrator 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.

System Administrator

ManTech

Columbia, MD

$128K - $214K/yr

Full-time

Medical, Life, Retirement, PTO

Re-posted 11 days ago

ManTech rating

9.0

Company rating: 9.0 out of 10

Based on 14 frontline employees who took The Breakroom Quiz

33rd of 242 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!

MANTECH seeks a motivated, career and customer-oriented System Administrator to join our team in Columbia, Maryland.

Responsibilities include but are not limited to:

  • Provide Tier 2 and Tier 3 problem identification, diagnosis and resolution.
  • Manage the daily activities of configuration and operation of IT systems.
  • Provide support to IT systems including day-to-day operations, monitoring and problem resolution for all the client/server/storage/network devices, mobile devices, etc.
  • Provide support for the escalation and communication of status to agency management and internal customers.
  • Optimize system operations and resource utilization, and perform system capacity analysis and planning.
  • Provide support for the dispatch system and hardware problems and remains involved in the resolution process.
  • Configure and manage Linux and Windows (or other applicable) operating systems, install/loads operating system software, troubleshoot.
  • Maintain integrity of and configure network components, along with implementing operating systems enhancements to improve reliability and performance.

Minimum Qualifications:

  • Bachelor's degree in technical discipline; an additional 5 years of system administrator experience might be substituted for a degree.
  • 15+ years' experience as a Systems Administrator or in related IT roles.
  • Experience with Red Hat Enterprise Linux (RHEL).
  • Familiarity with Windows.

Preferred Qualifications:

  • Experience with cloud infrastructure administration, preferably AWS.

Clearance Requirements:

  • Active TS/SCI with Polygraph.

Physical Requirements:

  • Needs to be able to provide hardware transferring support.
  • Frequently communicates with co-workers, management, and customers, which may involve delivering presentations.
  • Must be able to exchange accurate information in these situations.

The projected compensation range for this position is $128,000.00-$214,400.00. 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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