Senior PKI Architect & Trust Model SME

Vervic Inc.; Washington; On-site; USD 140,000 - 190,000; Full time

Benefits offered by this job

401(k) matching

Dental insurance

Health insurance

Paid time off

Job summary

Vervic Inc. seeks a Senior PKI Engineer to own PKI architecture and lifecycle, ensuring secure certificate management across systems.

You will design trust models, issue and manage certificates, and resolve complex interoperability issues in a high-security environment. Applicants must have 8+ years PKI experience, hold a professional certification, and be capable of operating under DoD 8140 with TS/SCI consideration.

Qualifications

• 8+ years experience in PKI, security engineering, or related systems roles in secure/cleared environments
• Active TS; must be able to obtain TS/SCI
• Professional certification required; expert-level capability preferred
• Demonstrated ability to design and troubleshoot PKI systems across multiple platforms and vendors
• Experience with complex trust models and real-world certificate interoperability challenges
• DoD 8140 compliance required

Responsibilities

• Design and manage PKI architectures, including root/intermediate hierarchies, chains of trust, and certificate lifecycle processes.
• Create and maintain segmented trust models (organizational partitions, cross-domain trust, constrained intermediates).
• Generate and support certificates for diverse use cases, including handling vendor-specific constraints and non-standard requirements (e.g., wildcard usage, SAN configurations, custom extensions).
• Troubleshoot certificate validation issues across systems, applications, and network boundaries.
• Collaborate with systems, network, and application teams to ensure certificates function correctly within their environments.
• Define and enforce certificate policies, revocation strategies (CRL/OCSP), and security controls.
• Mentor engineers on PKI fundamentals and correct implementation practices.

Skills

PKI fundamentals

PKI tooling

TLS mutual auth

Revocation management

HSM

Systems integration

Tools

OpenSSL

Microsoft CA

Job description

Vervic Inc. seeks a Senior PKI Engineer to own PKI architecture and lifecycle, ensuring secure certificate management across systems.

You will design trust models, issue and manage certificates, and resolve complex interoperability issues in a high-security environment. Applicants must have 8+ years PKI experience, hold a professional certification, and be capable of operating under DoD 8140 with TS/SCI consideration.