Windows Systems Administrator

Leidos Inc; Pearl City (HI); On-site; USD 73,000 - 133,000; Full time

Job summary

Leidos is seeking a Windows Systems Administrator III to support Navy Fleet Command infrastructure in Pearl Harbor, HI. You will administer Windows Server environments, AD, DNS, DHCP, Exchange, Azure, RDS, VMware, and SQL databases to ensure secure, high-availability operations.

The role requires active TS/SCI clearance, CompTIA Security+, and a Windows Server certification, with travel to CONUS/OCONUS possible. Join Leidos to support mission-critical systems for national security.

Qualifications

• Bachelor's degree with 4+ years of relevant experience or a Master's with 2+ years.
• Active TS/SCI clearance (DISS).
• Active CompTIA Security+ certification.
• Active Windows Server certification or ability to obtain after hire.
• Experience administering enterprise Windows environments: AD, DNS, DHCP, Exchange, Azure, RDS, VMware, Omnissa, desktop mgmt, Windows Server services.
• Experience performing advanced system troubleshooting.
• Strong interpersonal and communication skills.

Responsibilities

• Administer and manage advanced Windows Server environments and Microsoft enterprise services.
• Maintain daily system operations by monitoring, troubleshooting, and resolving issues affecting servers, applications, and OS.
• Perform performance tuning, hardware upgrades, and resource optimization for reliable performance.
• Troubleshoot and resolve complex Windows Server issues.
• Research, document, and recommend new system technologies and improvements.
• Review and implement IAVAs and IAVBs.
• Install, configure, secure, maintain, document, troubleshoot, and administer SQL databases.
• Support global operations by maintaining secure, resilient Windows infrastructure.
• Travel may be required to support other Navy commands (CONUS/OCONUS).

Skills

Active TS/SCI clearance

CompTIA Security+

Windows troubleshooting

Strong communication

Education

Bachelor's degree with 4+ years

Master's degree with 2+ years

Tools

Active Directory (AD)

DNS

DHCP

Exchange

Azure Cloud

Remote Desktop Services

VMware

Omnissa

SQL Server

Job description

Windows Systems Administrator

Location: Pearl Harbor, Hawaii

Security Clearance: Active TS/SCI Required

Leidos is seeking a Windows Systems Administrator III to support mission critical infrastructure for the U.S. Navy Fleet Command in Pearl Harbor, Hawaii. In this role, you will administer and maintain Windows server environments supporting enterprise infrastructure, standardized desktop services, and secure mission operations. The ideal candidate has extensive experience managing Microsoft technologies, troubleshooting complex systems, and maintaining secure, high availability Windows environments.

Primary Responsibilities

• Administer and manage advanced Windows Server environments and Microsoft enterprise services.
• Maintain daily system operations by monitoring, identifying, troubleshooting, and resolving issues affecting servers, applications, and operating systems.
• Perform performance tuning, hardware upgrades, and resource optimization to ensure reliable system performance.
• Troubleshoot and resolve complex Windows Server issues.
• Research, document, and recommend new system technologies and improvements.
• Review and implement Information Assurance Vulnerability Alerts (IAVAs) and Information Assurance Vulnerability Bulletins (IAVBs).
• Install, configure, secure, maintain, document, troubleshoot, and administer SQL databases to ensure optimal performance.
• Support global operations by maintaining secure, resilient Windows infrastructure environments.
• Travel may be required to support other U.S. Navy commands both within the continental United States (CONUS) and outside the continental United States (OCONUS).

Required Qualifications

• Bachelor's degree with 4+ years of relevant experience or a Master's degree with 2+ years of relevant experience. Additional experience may be considered in lieu of a degree.
• Active TS/SCI clearance (in DISS).
• Active CompTIA Security+ certification.
• Active Windows Server operating system certification or the ability to obtain after hire.
• Experience administering enterprise Windows environments, including Active Directory (AD), Domain Name System (DNS), Dynamic Host Configuration Protocol (DHCP), Microsoft Exchange email services, Microsoft Azure Cloud, Remote Desktop Services, VMware, Omnissa, desktop management, and Windows Server services.
• Experience performing advanced system troubleshooting.
• Strong interpersonal and communication skills.

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo - because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 - and moving faster than anyone else dares.

Pay and Benefits

Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at www.leidos.com/careers/pay-benefits.

Pay Range $73,450.00 - $132,775.00

About Leidos

Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit www.leidos.com.

Commitment to Non-Discrimination

All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.