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Operating System Administrator Jobs (NOW HIRING)

System One

System Administrator

Jessup, MD · On-site

$150K/yr

System Administrator - TS/SCI w/ Full Scope Polygraph (FSP) Location: Annapolis Junction, MD Work ... Troubleshoot operating system and application issues in complex environments * Write and maintain ...

System One

System Administrator

Annapolis Junction, MD · On-site

$150K/yr

System Administrator - TS/SCI w/ Full Scope Polygraph (FSP) Location: Annapolis Junction, MD Work ... Troubleshoot operating system and application issues in complex environments * Write and maintain ...

System One

System Administrator

Annapolis Junction, MD · On-site

$150K/yr

System Administrator - TS/SCI w/ Full Scope Polygraph (FSP) Location: Annapolis Junction, MD Work ... Troubleshoot operating system and application issues in complex environments * Write and maintain ...

Foxconn WI

System Administrator

Mount Pleasant, WI · On-site

Manage and maintain Windows, Linux, and Mac operating systems, including system updates, patches, and troubleshooting * Administer Group Policy and Active Directory, including user access management ...

System One

System Administrator

Annapolis Junction, MD · On-site

$150K/yr

System Administrator - TS/SCI w/ Full Scope Polygraph (FSP) Location: Annapolis Junction, MD Work ... Troubleshoot operating system and application issues in complex environments * Write and maintain ...

Synergy ECP LLC

System Administrator

Columbia, MD · On-site

Description Level 1 System Administrator Provides support for implementation, troubleshooting and ... Configures and manages UNIX and Windows operating systems and installs/loads operating system ...

System One

System Administrator

Annapolis Junction, MD · On-site

$150K/yr

System Administrator - TS/SCI w/ Polygraph Location: Annapolis Junction, MD Work Model: 100% Onsite ... Troubleshoot operating system and application issues in complex environments * Write and maintain ...

System One

System Administrator

Annapolis Junction, MD · On-site

$150K/yr

System Administrator - TS/SCI w/ Full Scope Polygraph (FSP) Location: Annapolis Junction, MD Work ... Troubleshoot operating system and application issues in complex environments * Write and maintain ...

SW Complete

System Administrator

Columbia, MD · On-site

Level 1 System Administrator Provides support for implementation, troubleshooting and maintenance ... Configures and manages UNIX and Windows operating systems and installs/loads operating system ...

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Operating System Administrator information

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$88.9K

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How much do operating system administrator jobs pay per year?

As of Sep 8, 2026, the average yearly pay for operating system administrator in the United States is $88,927.00, according to ZipRecruiter salary data. Most workers in this role earn between $70,000.00 and $104,000.00 per year, depending on experience, location, and employer.

What cities are hiring for Operating System Administrator jobs?

Cities with the most Operating System Administrator job openings:

What are popular job titles related to Operating System Administrator jobs?

For Operating System Administrator jobs, the most frequently searched job titles are:

Infographic showing various Operating System Administrator job openings in the United States as of August 2026, with employment types broken down into 1% As Needed, 84% Full Time, 12% Part Time, and 3% Contract. Highlights an 92% Physical, 2% Hybrid, and 6% Remote job distribution, with an average salary of $88,927 per year, or $42.8 per hour.

System Administrator

Fayetteville, NC • On-site

Summit Technologies, Inc.
See more jobs at Summit Technologies, Inc.external

Full-time

Re-posted 23 days ago

Job description

SYSTEM ADMINISTRATOR
Location: Fayetteville, North Carolina
Worksite: Special Operations Mission Training Center, Fort Bragg
Employment Type: Full-time
Security Clearance: Active Secret clearance required
Position Summary
The System Administrator administers, secures, monitors, troubleshoots, and maintains SOMTC server, virtualization, collaboration, and operating-system environments. This position supports Microsoft Server, VMware vCenter, SharePoint, Army and Joint Mission Command systems, and DoD cybersecurity tools.
Key Responsibilities
  • Administer and maintain Microsoft Server environments.
  • Administer VMware vCenter and associated virtual machines.
  • Support SharePoint administration, configuration, and availability.
  • Configure, operate, secure, and maintain servers and operating systems.
  • Apply system, network, and operating-system hardening techniques.
  • Monitor system performance and implement performance improvements.
  • Diagnose server, system, and operating-system faults.
  • Use operating-system command-line and diagnostic tools to troubleshoot technical issues.
  • Configure and maintain NTFS, FAT, EXT, and related file-system implementations.
  • Support TCP/IP, DHCP, DNS, and related network services.
  • Apply IT-security principles involving firewalls, demilitarized zones, encryption, and endpoint protection.
  • Support Joint and Army Mission Command systems, including TAK, CPCE, and SOF Mission Command systems.
  • Operate or support DoD cybersecurity tools, including ACAS, Army Endpoint Security Solution, Trellix, Microsoft Defender for Endpoint, and other applicable DoD security tools.
  • Support vulnerability remediation and system-security compliance.
  • Maintain technical documentation, system configurations, and operating procedures.

Required Education
  • Associate degree in an Information Technology-related field; or
  • Equivalent military technical training.

Required Experience and Technical Knowledge
  • In-depth knowledge of Microsoft Server environments.
  • In-depth knowledge of VMware vCenter.
  • Experience with SharePoint administration.
  • Experience with Joint or Army Mission Command systems.
  • Experience with ACAS, Army Endpoint Security Solution, Trellix, Microsoft Defender for Endpoint, or other DoD security tools.
  • Knowledge of system, network, and operating-system hardening.
  • Knowledge of NTFS, FAT, and EXT file systems.
  • Knowledge of firewalls, demilitarized zones, encryption, and related IT-security methods.
  • Knowledge of TCP/IP, DHCP, and DNS.
  • Ability to use system and server diagnostic tools.
  • Knowledge of virtualization technologies and virtual-machine management.
  • Experience monitoring and optimizing system performance.

Certification Requirements
  • Current certification meeting the requirements for the DCWF System Administrator, Work Role 451, at the Basic proficiency level.
  • Acceptable certifications include Security+ CE or CySA+.
  • The required certification must be maintained throughout employment.

Work Environment and Conditions
  • Work is primarily performed on-site in Government-controlled facilities.
  • Must comply with applicable DoD, Army, USSOCOM, USASOC, installation, cybersecurity, personnel-security, CAC, and information-system access requirements.
  • Mission requirements may require work beyond normal operating hours, occasional weekend support, surge support, or support for simultaneous events.
  • Telework requires prior Government approval.
  • Classified work is not normally authorized from an alternate worksite.
  • Occasional travel may be required to support mission activities.

Note: This position is contingent on contract award.
Summit Technologies, Inc. is an equal opportunity/affirmative action employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or veteran status.
Position descriptions serve as a guideline and may not be construed as a guarantee of employment. Summit Technologies, Inc. is an at-will organization.

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