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PKI Engineer

Motion Recruitment Partners, LLCIrving, TX🇺🇸United StatesPosted Sep 25, 2026

Quick Overview

Seniority
Mid Senior
Work mode
On Site
Location
Irving, TX, United States
Posted
Yesterday

Job Description

Our client is seeking a fully onsite PKI Engineer for a 12+ month contract in Irving, TX. No C2C!
Required
  • Bachelor's degree in IT, Computer Science, Cybersecurity, or related field (or equivalent experience).
  • Security+, CISSP, GSEC, or equivalent security certifications.
  • Microsoft security or identity certifications preferred.
  • Experience with Azure, AWS, or Google Cloud Platform certificate management services.
  • Knowledge of Zero Trust principles and modern authentication technologies.
  • 3-5 years of PKI engineering, information security, or infrastructure security experience.
  • Experience managing Microsoft Active Directory Certificate Services (AD CS) or equivalent PKI platforms.
  • Strong understanding of PKI, certificate lifecycle management, SSL/TLS, X.509 certificates, and cryptographic principles.
  • Experience with certificate enrollment, issuance, renewal, revocation, and validation processes.
  • Knowledge of HSMs and cryptographic key management.
  • Strong troubleshooting, analytical, and documentation skills.
  • Experience with PowerShell or other automation/scripting technologies.

Day to Day
  • PKI Infrastructure Administration: Manage and maintain enterprise PKI platforms, including Certificate Authorities (CAs), Registration Authorities (RAs), HSMs, OCSP responders, and certificate enrollment services.
  • Certificate Lifecycle Management: Issue, renew, revoke, and replace digital certificates for users, devices, servers, applications, cloud services, and network appliances.
  • PKI Security & Compliance: Implement and enforce PKI security controls, certificate policies, certificate practice statements, and cryptographic standards.
  • Certificate Automation & Integration: Design and support automated certificate management solutions using Microsoft AD CS, Venafi, Keyfactor, DigiCert, ACME, and scripting technologies.
  • Cryptographic Key Management: Manage cryptographic key generation, storage, rotation, escrow, and destruction processes.
  • Troubleshooting & Support: Diagnose and resolve certificate-related issues impacting applications, websites, VPNs, and authentication systems.
  • PKI Standards & Documentation: Develop and maintain PKI architecture diagrams, procedures, technical documentation, and governance standards.
  • Security Operations & Continuous Improvement: Participate in security assessments, incident investigations, vulnerability remediation, and infrastructure modernization efforts.

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