PKI Engineer

Castellum Inc.

PKI Engineer supporting and maintaining Public Key Infrastructure (PKI) solutions for Corvus Consulting, LLC. Role involves evaluating, testing, and developing PKI services in a secure environment.

Posted 4/28/2026full-timeAberdeen Proving Ground • Maryland • 🇺🇸 United StatesMid-LevelSenior💰 $140,000 - $160,000 per yearWebsite

Tech Stack

Tools & technologies

Linux

About the role

Key responsibilities & impact

Evaluate, test, develop, deploy, and maintain PKI services and solutions
Collaborate with team members to identify improvement opportunities and design efficient, robust solutions
Develop automated services to improve usability and streamline PKI processes
Support certificate lifecycle management, including issuance, renewal, revocation, and policy compliance

Requirements

What you’ll need

Active DoD Secret clearance
Strong understanding of Public Key Infrastructure (PKI)
Hands-on experience designing, setting up, and operating PKI components
Experience working with multiple PKI products
Knowledge of certificate policies, certificate contents, and the certificate lifecycle
Experience automating the certificate lifecycle
Intermediate to senior-level PKI knowledge
Strong Linux experience
Solid understanding of asymmetric cryptography concepts and applications
Experience supporting Army tactical networks and understanding their operational impacts

Benefits

Comp & perks

Health insurance
Retirement plans
Paid time off
Flexible work arrangements

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

Public Key Infrastructure (PKI)certificate lifecycle managementasymmetric cryptographyLinuxautomating certificate lifecyclePKI components designPKI products experiencecertificate policies knowledgecertificate contents knowledgetactical networks support

Soft Skills

collaborationproblem-solvingdesign efficiencyrobust solution development

Certifications

DoD Secret clearance