Senior PKI Engineer

Insight Global; Charlotte (NC); On-site; USD 120,000 - 140,000; Full time

Job summary

A leading IT consultancy seeks a Senior PKI Engineer to enhance their Global Information Security team. This role focuses on designing and maintaining enterprise-grade PKI services, particularly with Microsoft Active Directory Certificate Services. The candidate will need significant experience with certificate lifecycle management and key protection. This position requires strong scripting skills in PowerShell or Python, alongside deep knowledge of security protocols. The job offers an on-site working environment in Charlotte, NC, or Denver, CO.

Qualifications

• 8+ years in Security Engineering or Identity Infrastructure.
• 5+ years hands-on with Microsoft AD CS and enterprise PKI.
• Deep knowledge of X.509, CRLs, OCSP, EKUs, RSA/ECC, SHA-2.
• Strong PowerShell, Python, or C# scripting and Windows Server administration skills.
• Experience with Linux PKI, TLS/SSL, VPN authentication.
• Azure PKI integrations and HSM experience.

Responsibilities

• Design and maintain enterprise PKI architectures.
• Integrate PKI with Active Directory and Azure AD.
• Develop certificate lifecycle policies.
• Manage certificate lifecycle automation.
• Operat and maintain secure PKI infrastructure.
• Lead incident response for PKI-related outages.

Skills

Security Engineering

Identity Infrastructure

Microsoft AD CS

X.509

PowerShell scripting

Python

C# scripting

Linux PKI

Tools

Active Directory

HSM (Thales, Entrust, nCipher)

Azure AD

Job description

THIS JOB IS 5 DAYS A WEEK, ON-SITE, IN EITHER DENVER, CO OR CHARLOTTE, NC! THIS ROLE IS ONLY AVAILABLE ON W2.

Job Description

Insight Global is seeking a Senior PKI Engineer to join the Global Information Security (GIS) team at a Fortune 50 financial institution. This ideal candidate will design, implement, and operate enterprise‑grade Public Key Infrastructure (PKI) services with a strong focus on Microsoft Active Directory Certificate Services (AD CS) and Active Directory (AD) integration. They will need to have hands‑on implementation and integration knowledge of certificate lifecycle management, CA hierarchy governance, enrollment automation, HSM‑backed key protection, CA backup/restore, migration, and integration with Windows Server, Linux, network/security devices, cloud providers, MDM/EDR, and zero‑trust tools.

Key Responsibilities Include:

• Design and maintain enterprise PKI architectures including Root, Policy, and Issuing CAs.
• Integrate PKI with Active Directory, Entra ID, Intune/MDM, GPOs, and Azure AD.
• Develop certificate lifecycle policies including revocation and renewal.
• Implement HSM‑backed key storage and disaster recovery designs.

Operations & Automation

• Own certificate lifecycle management including automation.
• Manage CRL and OCSP publication and availability.
• Implement scripting and automation using PowerShell and APIs.
• Operate and maintain secure PKI infrastructure.

Security & Compliance

• Apply strong key management practices and CA hardening baselines.
• Perform PKI risk assessments and access reviews.
• Lead incident response for PKI‑related outages.
• Maintain compliance with NIST, CA/B Forum, and internal frameworks.

Required Skills and Experience

• 8+ years in Security Engineering or Identity Infrastructure.
• 5+ years hands‑on with Microsoft AD CS and enterprise PKI.
• Deep knowledge of X.509, CRLs, OCSP, EKUs, RSA/ECC, SHA‑2.
• Strong PowerShell, Python, or C# scripting and Windows Server administration skills.
• Experience with Linux PKI, TLS/SSL, VPN authentication.
• Azure PKI integrations and HSM experience (Thales, Entrust, nCipher).