Senior Windows SysAdmin - 75% Remote | TS/SCI Eligible

Leidos; Chicago (IL); Hybrid; USD 116,000 - 210,000; Full time

Benefits offered by this job

Paid Time Off

11 paid Holidays

401K with 6% company match

Job summary

Leidos seeks a Senior Windows System Administrator for a fast-paced program, requiring TS/SCI eligibility. The role covers daily Windows/Linux system administration, Hyper-V, storage, and security controls across a broad infrastructure.

You will manage AD, DNS, DHCP, Group Policy, PKI, and monitoring, with collaboration across cybersecurity teams to meet RMF/ATO requirements. Hybrid schedule with travel to customer sites as needed.

Qualifications

• Bachelor's degree in IT, Computer Science, Engineering or related field.
• 7+ years of Windows systems administration experience, including senior/lead roles.
• Experience with Active Directory, DNS, Group Policy, core Windows services.
• Strong knowledge of Hyper-V, virtualization, clustering, storage.

Responsibilities

• Monitor and administer systems, applications, and processes; identify and resolve issues.
• Support servers, perform security management and performance optimization.

Skills

Windows Server

Active Directory

PowerShell

Troubleshooting

Security compliance

RMF/DoD security

Education

Bachelor's degree in IT/CS/Engineering

Tools

Hyper-V

Virtual Machines

Storage systems

DNS

Job description

Leidos seeks a Senior Windows System Administrator for a fast-paced program, requiring TS/SCI eligibility. The role covers daily Windows/Linux system administration, Hyper-V, storage, and security controls across a broad infrastructure.

You will manage AD, DNS, DHCP, Group Policy, PKI, and monitoring, with collaboration across cybersecurity teams to meet RMF/ATO requirements. Hybrid schedule with travel to customer sites as needed.