Senior Identity Engineer | Systems Developer

3500 Square LLC

• $100K — $130K *
US-AnywhereRemote in United States
Aerospace & Defense
5 - 7 years of experience
Job Overview by Ladders

Qualifications

  • 5+ years of experience in systems development or identity engineering, specifically in federal/DoD settings.
  • Expertise in designing enterprise-level directory and identity services.
  • In-depth knowledge of DoD ICAM architecture and PKI validation processes.
  • Strong communication skills for conveying technical details to diverse audiences.
  • Must be eligible to maintain a Public Trust (Tier 3/NACLC) clearance.

Responsibilities

  • Design and implement identity, access, and credential management solutions following DoD standards.
  • Engineer and maintain directory services such as Active Directory and Secure DNS.
  • Support PKI infrastructure, including middleware and migration activities.
  • Maintain PKI Certificate Validation Suites and manage certificate issuances.
  • Integrate secure identity management solutions with SaaS and cloud environments.
  • Implement PKE solutions using X.509 certificates for healthcare applications.
  • Research and develop scalable software solutions based on advanced principles.
  • Collaborate with various teams to integrate identity services into key systems.

Benefits

  • Opportunity to shape secure identity services for a federal healthcare mission.
  • Work with an expert engineering team to support critical IT systems.
  • Remote work flexibility available across U.S. and Puerto Rico.
  • Engagement in a mission that supports service members and their families.
Full Job Description
Senior Identity Engineer | Systems Developer

Location: Remote - Available across U.S. and Puerto Rico

Clearance Level: Public Trust (ADP/IT-II) or Tier 3 Investigation (NACLC)
Citizenship: U.S. Citizenship required

We are seeking candidates for a potential opportunity as Senior Identity Engineer | Systems Developer to join our Identity Engineering Services team in support of a large-scale federal IT environment. This position plays a critical role in engineering and maintaining identity, credential, and access management (ICAM) solutions that secure the Defense Health Agency's infrastructure across both on-premise and cloud environments.

Key Responsibilities
  • Design, document, and implement enterprise identity, access, and credential management solutions in compliance with DoD ICAM standards.
  • Engineer and maintain directory services, including Active Directory Domain Services (ADDS), ADLDS, and Secure DNS aligned with DHA baselines and DISA STIGs.
  • Support PKI infrastructure: middleware (ActivIdentity), Validator Suites (Axway), and CA migration activities per DoDI 8520.02.
  • Maintain PKI Certificate Validation Suites and issue certificates across LAN/WLAN and Med-COI environments.
  • Engineer secure identity management solutions integrating with SaaS and resource partners across hybrid cloud and on-prem environments.
  • Implement PKE solutions utilizing X.509 certificates to support MHS applications and ensure compliance with DoDI 8520.03.
  • Research and develop scalable system-level software solutions using advanced computer science and mathematical principles.
  • Collaborate across engineering, cybersecurity, and systems teams to ensure successful integration of identity services into mission-critical systems.

Preferred Tools & Technologies
  • Microsoft Active Directory, ADLDS, Secure DNS
  • DoD PKI / Internal Medium Assurance (IMA)
  • ActivIdentity ActivClient, Axway Validator Suite
  • DoD ICAM Reference Architecture, DoDI 8520.02 / 8520.03
  • PowerShell, LDAP, X.509 utilities
  • Remedy Ticketing System
  • Microsoft Windows Server OS
  • DISA STIG compliance frameworks

Minimum Qualifications
  • Minimum of 5 years of experience in systems development, identity engineering, or PKI/PKE infrastructure within a federal or DoD environment.
  • Proficiency in designing and implementing directory and identity services at an enterprise level.
  • Demonstrated knowledge of DoD ICAM architecture, PKI validation processes, and certificate-based authentication solutions.
  • Strong communication and documentation skills for technical and non-technical audiences.
  • Ability to obtain and maintain a Public Trust (Tier 3/NACLC) clearance.

Education & Certifications
  • Required (Foundational - one of the following):
    • Bachelor's degree in IT / Cybersecurity / Data Science / IS / CS (ABET or CAE accredited),
    • OR CISSP / SSCP.
  • Required (CE - one of the following):
    • Microsoft Identity & Access Administrator (SC-300),
    • OR Microsoft Entra ID Governance Specialty.

Why Join Us?

This is a unique opportunity to shape the future of secure identity services within a global federal healthcare mission. Join our expert engineering team and help safeguard access to critical IT systems for service members and their families.

📩 Apply today and contribute to national readiness through world-class identity solutions.

Please Note: This position is contingent upon contract award. Candidates selected will be notified once the award has been confirmed.

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