Senior Identity Engineer – R&D Specialist

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🕒 July 17, 2025

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3500 Square

WebsiteLinkedInAll Job Openings

11 - 50 employees

Founded 2023

🔒 Cybersecurity

🤝 B2B

🏛️ Government

Cybersecurity • B2B • Government

3500 Square is an SBA-certified, Service-Disabled Veteran-Owned Small Business (SDVOSB) founded by a U. S. Army veteran that provides expert IT services to streamline operations, modernize technology, and reduce costs for its clients. Backed by over 25 years of IT experience, the company specializes in IT managed services, software development, cloud management, network design and implementation, and cybersecurity, and also offers bilingual customer support and IT consulting. As a small, diverse firm (8(a), HubZone, MBE, SDB), 3500 Square emphasizes personalized, tailored solutions for business and government customers to meet specific objectives and compliance needs.

📋 Description

• Design and develop identity, credential, and access management (ICAM) solutions aligned with DoD cybersecurity and ICAM standards. • Engineer and sustain directory services architectures such as ADDS, ADLDS, and Secure DNS based on DHA server baselines and DISA STIGs. • Research, prototype, and test next-generation PKI, PKE, PAM, and cryptographic key management capabilities. • Maintain and update engineering artifacts including the mJAD Architecture & Design Document and technical packages. • Support and enhance PKI infrastructure including certificate validation tools (Axway), Middleware (e.g., ActivIdentity), and CA migration processes. • Engineer identity solutions across hybrid cloud and on-premise environments to manage users, systems, and SaaS resources. • Design and implement PKE solutions using X.509 certificates for secure authentication, encryption, and data integrity across MHS applications. • Provide support for certificate-enabled tools like ActivClient and Validator Suites. • Apply research methods in computer science, network distribution, embedded systems, and secure software design. • Contribute to the development of scalable identity architectures using formal modeling, analysis, and performance validation techniques.

🎯 Requirements

• At least 5 years of hands-on experience in identity engineering, cybersecurity R&D, or PKI infrastructure within a federal or DoD setting. • Proven experience designing and testing scalable, secure identity architectures and implementing PKI/PKE systems. • Strong analytical, documentation, and software development skills in secure system environments. • Ability to obtain and maintain a Public Trust (Tier 3/NACLC) clearance. • Required education: Bachelor’s degree in IT / Cybersecurity / Data Science / IS / CS (ABET or CAE accredited), OR CISSP / SSCP. • Required certification: Microsoft Identity & Access Administrator (SC-300), OR Microsoft Entra ID Governance Specialty.

🏖️ Benefits

• Equal Employment Opportunity and E-Verify Statement • Reasonable accommodation available for application process due to disability