PKI & Identity Infrastructure Engineer

Concept Solutions, LLC

PKI & Identity Infrastructure Engineer managing enterprise PKI services at Concept Solutions. Supporting secure digital trust across the FAA and collaborating with cybersecurity and business stakeholders.

Posted 5/8/2026full-timeRemote • 🇺🇸 United StatesMid-LevelSenior💰 $80,000 - $100,000 per yearWebsite

Tech Stack

Tools & technologies

ApacheCyber SecurityDockerLinuxMariaDBPostgres

About the role

Key responsibilities & impact

Serve as a senior technical lead for enterprise PKI architecture, administration, and operational support across Certification Authorities (CAs), Registration Authorities (RAs), and Validation Authorities (VAs)
Administer and maintain PKI platforms across Windows and Linux environments, including EJBCA operations, ACME, SCEP, certificate enrollment, CRL distribution, OCSP, CDP, and AIA services
Execute and document PKI key ceremonies, offline root CA operations, and cryptographic material handling in compliance with Certificate Policies (CP) and Certification Practice Statements (CPS)
Manage and maintain Hardware Security Modules (HSMs), ensuring compliance with federal cryptographic standards
Support secure certificate lifecycle management, validation services, and enterprise trust models
Administer Red Hat Enterprise Linux (RHEL) environments supporting PKI, identity, and application services
Perform comprehensive Microsoft Windows Server administration including lifecycle management, patching, backup validation, and remediation
Support Docker/containerized solutions aligned with enterprise deployment and security standards
Maintain supporting web/application infrastructure including IIS, Apache, and JBoss
Support PostgreSQL and MariaDB environments for PKI and identity services

Requirements

What you’ll need

Bachelor’s degree in Information Systems, IT Management, Business Systems, MIS
5+ years or an additional 4+ years of relevant experience in lieu of an BS degree
Advanced experience supporting enterprise PKI services in large-scale environments
Strong expertise with Windows Server, Red Hat Enterprise Linux, and secure systems administration
Experience with EJBCA, certificate lifecycle management, ACME/SCEP, OCSP, and CRL
Hands-on experience with HSM technologies (Thales, Luna, or equivalent)
Knowledge of Docker/containerized infrastructure
Experience with IIS, Apache, JBoss, PostgreSQL, and MariaDB
Familiarity with federal cybersecurity, compliance, or FAA enterprise environments highly preferred.

Benefits

Comp & perks

health, dental, vision and life insurance
comprehensive 401(k) plan with matching and immediate vesting

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

PKI architectureEJBCAACMESCEPcertificate enrollmentCRL distributionOCSPCDPAIA servicesHSM technologies

Soft Skills

leadershipdocumentationcompliance managementproblem-solvingcommunication