Senior Identity Engineer — Secure Access & PKI (Remote)

3500Square; United States; Remote; USD 140,000 - 180,000; Full time

Job summary

3500 Square, LLC is seeking a Senior Identity Engineer | Systems Developer to join its Identity Engineering Services team, supporting a large-scale federal IT environment. This remote role spans on-prem and cloud, focusing on secure identity, access, and certificate management for DHA infrastructure.

You will design and implement enterprise identity solutions, maintain AD/PKI components, and collaborate with cybersecurity and systems teams to ensure DoD ICAM compliance and successful integration

Qualifications

• Minimum 5 years in systems development, identity engineering, or PKI/PKE in a federal/DoD environment.
• Proficiency in enterprise identity services design and implementation.
• Knowledge of DoD ICAM architecture, PKI validation, and certificate-based authentication.

Responsibilities

• Design, document, and implement enterprise identity, access, and credential management solutions per DoD ICAM standards.
• Engineer and maintain directory services (AD DS/ADLDS) and Secure DNS per baselines and STIGs.
• Support PKI infrastructure and CA migration activities.
• Maintain PKI certificate validation suites and issue certs across LAN/WLAN/Med-COI.
• Engineer identity solutions integrating with SaaS and hybrid cloud/on-prem environments.
• Research and develop scalable system-level software solutions.
• Collaborate across engineering, cybersecurity, and systems teams for integration of identity services.

Skills

Identity engineering

System design

Documentation

Communication

Education

Bachelor’s degree in IT / Cybersecurity / Data Science / IS / CS

CISSP / SSCP

Tools

Active Directory

PKI/cryptography

DoD ICAM references

ADDS/ADLDS

PowerShell

Job description

3500 Square, LLC is seeking a Senior Identity Engineer | Systems Developer to join its Identity Engineering Services team, supporting a large-scale federal IT environment. This remote role spans on-prem and cloud, focusing on secure identity, access, and certificate management for DHA infrastructure.

You will design and implement enterprise identity solutions, maintain AD/PKI components, and collaborate with cybersecurity and systems teams to ensure DoD ICAM compliance and successful integration