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60 Mantech Windows Systems Administrator Jobs Hiring Near You

ManTech

Windows/Linux Systems Administrator

Hanover, MD · On-site

$128K - $214K/yr

MANTECH is seeking a motivated, career-driven, and customer-focused Windows/Linux Systems Administrator to join our team in Hanover, MD . You will play a critical role in supporting the enterprise ...

ManTech

Systems Administrator

Aurora, CO · On-site

$128K - $214K/yr

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

ManTech International

Systems Administrator

Aurora, CO · On-site

$128K - $214K/yr

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

ManTech

Intermediate Systems Administrator

Chantilly, VA · On-site

$85K - $141K/yr

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

Systems Administrator

Eglin, FL · On-site

MANTECH seeks a motivated, career and customer-oriented System Administrator to join our Air Force ... Microsoft Windows Server, Red Hat Enterprise Linux servers, MS Hyper-V/VMWare/ESx/Xen Hypervisors ...

ManTech

Systems Administrator

Eglin, FL

MANTECH seeks a motivated, career and customer-oriented System Administrator to join our Air Force ... Microsoft Windows Server, Red Hat Enterprise Linux servers, MS Hyper-V/VMWare/ESx/Xen Hypervisors ...

ManTech

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

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

Senior Systems Administrator

Seattle, WA · On-site

$116K - $194K/yr

MANTECH seeks a motivated, career and customer-oriented Senior Systems Administrator to join our ... Windows Server, RHCSA, or VMware Certified Professional (VCP). Preferred Qualifications:

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

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

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 ...

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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.
50% of people say they wouldn’t get paid if they were sick but scheduled to work.
Based on data from 14 people who took the Breakroom Quiz between December 2024 and August 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.
50% of people say they have to use vacation days when they’re out sick.
Based on data from 12 people who took the Breakroom Quiz between June 2025 and August 2026.

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

Most people say the health insurance costs are okay.
86% of people say the health insurance costs are okay
Based on data from 7 people who took the Breakroom Quiz between March 2025 and August 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 12 people who took the Breakroom Quiz between June 2025 and August 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 15 people who took the Breakroom Quiz between December 2024 and August 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 15 people who took the Breakroom Quiz between December 2024 and August 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.
87% of people say they’re treated with respect by their managers.
Based on data from 15 people who took the Breakroom Quiz between December 2024 and August 2026.

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

Most people get breaks without interruption.
79% of people report that they get to take their breaks without interruption.
Based on data from 14 people who took the Breakroom Quiz between December 2024 and August 2026.

Is it stressful to work at ManTech?

Some people feel stressed here.
50% of people say they often feel stressed at work.
Based on data from 14 people who took the Breakroom Quiz between December 2024 and August 2026.

Do people at ManTech enjoy their jobs?

Most people enjoy their job.
80% of people report they enjoy their job.
Based on data from 10 people who took the Breakroom Quiz between December 2024 and August 2026.

Do people at ManTech recommend working with their team?

Most people recommend working with their team.
73% of people report that they would recommend working with their immediate team to a friend.
Based on data from 15 people who took the Breakroom Quiz between December 2024 and August 2026.

Do people get enough training when they start at ManTech?

Some people didn’t get enough training when they started.
47% of people report they didn’t get enough training when they started working here.
Based on data from 15 people who took the Breakroom Quiz between December 2024 and August 2026.

Do people get support to advance at ManTech?

Only some people are given support to advance their career here.
In the last year, 38% of people report not being given support to advance their career here.
Based on data from 13 people who took the Breakroom Quiz between December 2024 and August 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.
71% 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 14 people who took the Breakroom Quiz between December 2024 and August 2026.

Do workers feel well informed about how ManTech is doing?

Only some people feel well informed about how the company is doing.
36% of people feel that they aren’t kept well informed about how the company is doing as a whole.
Based on data from 14 people who took the Breakroom Quiz between December 2024 and August 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 91% Physical, 2% Hybrid, and 7% Remote job distribution.

Windows/Linux Systems Administrator

ManTech International

Hanover, MD • On-site

$128K - $214K/yr

Full-time

Medical, Life, Retirement, PTO

Posted 20 days ago

ManTech rating

8.8

Company rating: 8.8 out of 10

Based on 15 frontline employees who took The Breakroom Quiz

48th of 247 rated software companies

Job description

General information
Requisition #
R69854
Locations
USA-MD-Hanover
Posting Date
08/10/2026
Security Clearance Required
TS/SCI w/ Poly
Remote Type
Onsite
Time Type
Full time
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 is seeking a motivated, career-driven, and customer-focused Windows/Linux Systems Administrator to join our team in Hanover, MD.
You will play a critical role in supporting the enterprise infrastructure capabilities for a global, mission-focused workforce. This position supports the high-visibility Enterprise Infrastructure Services (EIS) organization, responsible for the delivery and security of MPO's Enterprise Information Technology (EIT), the foundation for enterprise-wide services. As a Windows/Linux Systems Administrator, you will work alongside customers, Integrated Product Teams (IPTs), and vendors to support the implementation and compliance of advanced EIT capabilities.
Responsibilities include, but are not limited to:
  • Provide support to IT systems including day-to-day operations, monitoring, and problem resolution for all the client/server/network devices.
  • Manages IT system infrastructure, configuration, operation, and any processes related to the Windows and Linux systems.
  • Provide Tier 1 (Help Desk) and Tier 2 (Escalation) problem identification, and diagnosis.
  • Provides support for the escalation and communication of status to agency management and internal customers.

Minimum Qualifications:
  • Bachelor's degree in a technical discipline with 10 years' experience as a Systems Administrator OR five 5 additional years' experience as a Systems Administrator may be substituted for a bachelor's degree.
  • Experience with Windows 11
  • Linux experience with Ubuntu or Fedora
  • Networking experience with Juniper
  • Experience with DNS, DHCP, Active Directory including Group Policy, Remote Desktop Services, and Hyper-V
  • Experience with PowerShell scripting

Preferred Qualifications:
  • Experience with Cisco and Dell networking systems
  • Ability to upgrade code on Cisco and Juniper switches
  • Strong Windows and Linux troubleshooting skills with hardware and software issues
  • HP Device Manager (understanding of RMM tools would be sufficient)
  • Experience with Splunk, Zabbix, Syslog-ng

Clearance Requirements:
  • Must possess and maintain a current/active TS/SCI clearance with Polygraph

Physical Requirements:
  • Must be able to remain in a stationary position 50% of the time
  • Occasionally moves about inside the office to access file cabinets, office machinery, etc.
  • Frequently communicate with co-workers, management, and customers, including 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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