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# PKI & Identity Infrastructure Engineer (FAA Enterprise Services)

- **Company:** Concept Solutions
- **Location:** Washington, DC, United States
- **Experience:** Expert
- **Salary:** $80,000.0 - $100,000.0
- **Contract:** Permanent contract
- **Skills:** Microsoft Windows, Apache HTTP Server, Application Services, Systems Engineering, Business Systems, Cyber Security, Information Systems, Databases, Linux, Hardware Security Module, Internet Information Services (IIS), IT Management, WildFly (JBoss AS), PostgreSQL, Linux System Administration, MariaDB, Windows Servers, Public Key Infrastructure, Red Hat Enterprise Linux, Trusted Systems, Tanium Platform Expertise, Wsus, Docker
- **Published:** July 26, 2026
- **Apply:** https://www.indeed.com/viewjob?jk=dec86b956956bfaf

## About the Role

* 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

Compensation: $80K to $100K

## Description

Concept Solutions is seeking a PKI & Identity Infrastructure Engineer (FAA Enterprise Services) supporting one of the nation's most complex enterprise environments. We are seeking a highly skilled Senior PKI & Identity Infrastructure Engineer to serve as a technical authority across enterprise Public Key Infrastructure (PKI), identity services, directory systems, Linux/Windows administration, and secure cryptographic operations.

This role is ideal for an advanced systems engineer who thrives in high-security, large-scale federal environments and is passionate about securing enterprise authentication, certificate lifecycle management, and infrastructure resilience. You will play a key role in supporting secure digital trust across the FAA while collaborating with cybersecurity, infrastructure, and business stakeholders., * 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), including Thales and Luna platforms, 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 including patching, hardening, authentication integration, and compliance
 * Perform comprehensive Microsoft Windows Server administration including lifecycle management, patching, WSUS/Tanium baselines, hardening, 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

Database & Operational Support

 * Support PostgreSQL and MariaDB environments for PKI and identity services
 * Perform maintenance, backup validation, availability monitoring, and operational troubleshooting
 * Ensure service reliability using SLA/SLO/SLI performance principles

Documentation, Compliance & Collaboration

 * Develop and maintain SOPs, architecture diagrams, lifecycle documentation, audit artifacts, and operational procedures
 * Partner with cybersecurity teams, FAA stakeholders, Lines of Business, and enterprise customers to support mission requirements
 * Present technical solutions clearly to both technical and non-technical stakeholders
 * Support compliance, audit readiness, and continuous service improvement


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