Senior PKI Engineer

Responsibilities

• Arcitect, deploy, configure, and maintain enterprise PKI environments and certificate authority infrastructure.
• Automate certificate lifecycle management processes including certificate issuance, renewal, revocation, rotation, and expiration monitoring.
• Develop and maintain automation scripts, APIs, and workflows for PKI and certificate management using tools such as PowerShell, Python, Ansible, Terraform, or similar technologies.
• Implement automated certificate enrollment and management solutions for servers, applications, network devices, containers, and cloud platforms.
• Administer internal and external certificate authorities (Microsoft CA, Entrust, DigiCert, EJBCA, or similar platforms).
• Implement and maintain TLS/SSL certificates across enterprise systems and environments.
• Troubleshoot PKI-related issues involving authentication, encryption, trust relationships, and certificate validation.
• Support identity and access management integrations using certificates, smart cards, and multifactor authentication technologies.
• Ensure PKI systems comply with organizational security policies and applicable standards such as NIST, FIPS, DISA STIGs, FedRAMP, or FISMA requirements.
• Collaborate with cybersecurity, DevSecOps, cloud, network, and systems engineering teams to integrate secure certificate management into enterprise platforms and CI/CD pipelines.
• Participate in incident response activities involving cryptographic systems, certificate compromise, or trust-related issues.

Qualifications

• U.S. Citizen. No Dual Citizens.
• Candidate requires a Secret Clearance to Interview. Final clearance required is TS.
• Minimum 12 years of experience with no degree. Active DoD 8140 IAT Level II Security+ (or higher) or ability to obtain within 90 days of hire.
• Experience with: Administering enterprise PKI and certificate management environments. Automating certificate management and infrastructure processes. Microsoft Active Directory Certificate Services (AD CS) or comparable PKI platforms. Developing automation using PowerShell, Python, Bash, REST APIs, or infrastructure-as-code tools. Windows Server and/or Linux administration.
• Strong knowledge of: TLS/SSL protocols. Certificate authorities and registration authorities. PKI architecture and trust models. Cryptographic algorithms and key management. Smart card and MFA technologies. Understanding of enterprise security architecture and cybersecurity best practices. Ability to troubleshoot authentication and certificate-related issues across enterprise systems. Strong problem-solving and decision-making capabilities, with a proven ability to weigh the relative costs and benefits of potential actions and identify the most appropriate solution. Highly developed interpersonal and oral/written communication skills, with the ability to effectively and professionally interact with a diverse set of stakeholders (from peers to end-users to executive management).

Skills

• Experience with: Supporting cloud-native certificate services in AWS, Azure, or Google Cloud. Government, DoD, or regulated environments. Jira and Confluence. Knowledge of Zero Trust architectures and identity-based security models. Familiarity with DISA STIGs, NIST 800-series publications, FedRAMP, or FISMA compliance requirements. Relevant certifications such as: CISSP, Security+, Microsoft Certified: Identity and Access Administrator, Certified Encryption Specialist (ECES), GIAC certifications.

Pay

$150,000.00 - $190,000.00

Schedule

Hybrid onsite/remote capacity. Up to 3 business days per week onsite in Fairfax, VA.