Senior Windows Server & AD/PKI Engineer (DevOps)

Relha LLC; Washington, Northern (District of Columbia, KY); Hybrid; USD 92,000 - 167,000; Full time

Job summary

Leidos seeks a Senior Windows Server Systems Administrator to support the ESA V program in Washington, DC with remote work options. Some travel may be required to the DC area.

The role focuses on Windows enterprise management, AD, DNS and certificate services, and collaboration with development, product and QA teams. You will work with the Infrastructure Engineering Manager across design, deployment and hardening of scalable, multi-site environments, applying NIST/DISA controls and driving

Qualifications

• Bachelor's degree or equivalent with 8+ years in systems engineering/administration (6+ with MS/MIS).
• Experience with Active Directory, DNS, and Certificate Authorities.
• Proficiency in DevOps tools and PowerShell scripting.
• 4+ years Windows OS support (Tier II & III).
• 3+ years with ADFS/OKTA or other authentication services.
• Experience managing certificates from major CAs.

Responsibilities

• Configure and troubleshoot Windows Server with AD, DNS, and CA.
• Manage Active Directory, DNS, Certificate Authorities and related services.
• Develop scripts to monitor health of AD, DNS, and CA.
• Design, deploy, and support scalable, multi-site infrastructure (physical, virtual, cloud).
• Apply NIST/DISA security controls and patch management.
• Collaborate with engineering teams to influence design and architecture.

Skills

DevOps tools

PowerShell

Active Directory

DNS

ADFS

OKTA

Certificate Management

Windows Server

Azure AD / Entra ID

Education

Bachelor's degree in Computer Science, Systems Engineering, or related field

MS/MIS with relevant experience

Tools

Entrust/Sectigo

Digicert

SSL.com

Azure AD / Entra ID

AWS

Job description

Leidos seeks a Senior Windows Server Systems Administrator to support the ESA V program in Washington, DC with remote work options. Some travel may be required to the DC area.

The role focuses on Windows enterprise management, AD, DNS and certificate services, and collaboration with development, product and QA teams. You will work with the Infrastructure Engineering Manager across design, deployment and hardening of scalable, multi-site environments, applying NIST/DISA controls and driving