PKI Systems Administrator – TS/SCI, On-Call & Shift-Ready

Peraton; Florida; On-site; USD 110,000 - 150,000; Full time

Job summary

Peraton is seeking a seasoned PKI Administrator to support SITEC EOM at MacDill AFB, Florida. The role focuses on enterprise PKI lifecycle management across Windows, Red Hat Linux, and Cisco ISE, with emphasis on certificate authority operations, OCSP/CRL maintenance, and secure token issuance for over 85,000 users.

The ideal candidate brings strong PowerShell scripting, DoD security posture knowledge, and experience with multi-domain PKI ecosystems.

Qualifications

• 12+ years with HS Diploma, 10 years AS/AA, or 8 years with BS/BA.
• DoW TS/SCI clearance required.
• DoW8140 compliance under Work Role Code 451 – System Administrator - Intermediate or higher.

Responsibilities

• Administer enterprise Certificate Authorities across Windows ADCS, Red Hat Linux, and Cisco ISE.
• Oversee certificate issuance, renewal, revocation, and re-keying processes for enterprise systems.
• Configure and publish certificate templates for TLS/SSL, code signing, and machine identity.
• Maintain OCSP and CRL infrastructure with high availability and validation accuracy.
• Assist with HSM operations and health checks across data centers.
• Support CAC middleware and enrollment errors with third-party tools (ActiveClient, 90 Meter).
• Integrate PKI with AD, Kerberos, LDAPS, and MDM environments, ensuring secure authentications.

Skills

PKI Administration

System Administration

PowerShell

Windows Server

Active Directory

Red Hat Linux

Cisco ISE

TLS/SSL

OCSP/CRL

Kerberos/LDAPS

Education

HS Diploma

AS/AA Degree

BS/BA Degree

Tools

ADCS

NDES

Axway

Tumbleweed

vSphere

Job description

Peraton is seeking a seasoned PKI Administrator to support SITEC EOM at MacDill AFB, Florida. The role focuses on enterprise PKI lifecycle management across Windows, Red Hat Linux, and Cisco ISE, with emphasis on certificate authority operations, OCSP/CRL maintenance, and secure token issuance for over 85,000 users.

The ideal candidate brings strong PowerShell scripting, DoD security posture knowledge, and experience with multi-domain PKI ecosystems.