Senior IT Architect – Engineering Services

🕒 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 architectural and technical solutions for enterprise-scale infrastructure supporting both on-premise and MED365 cloud environments. • Develop strategies and documentation that guide engineering implementation and architectural consistency across DHA systems. • Ensure system designs are interoperable, sustainable, and aligned with DHA Enterprise Architecture policies and governance. • Lead or support functional and technical requirements validation, including Requirements Worksheets (RWs) and Governance input. • Facilitate iRAM and RAM sessions and coordinate with SMEs, IA staff, and stakeholders during solution development. • Conduct feasibility and architectural assessments to ensure compliance with cybersecurity, scalability, and performance standards. • Draft and maintain Test and Evaluation Strategies (TES) to support operational readiness. • Manage architectural documentation throughout the systems lifecycle and provide support during acquisition planning. • Deliver Department of Defense Architecture Framework (DoDAF) artifacts to meet governance and compliance standards. • Lead re-architecture efforts for fielded solutions based on mission needs or system limitations. • Collaborate with DoD, MHS, and industry stakeholders to align technical direction and solve architecture/integration challenges.

🎯 Requirements

• Proven experience leading IT architecture and systems design efforts within complex enterprise environments. • Knowledge of DHA, MHS, or DoD IT environments and governance processes. • Strong ability to translate mission needs into scalable architectural solutions. • U.S. Citizenship and ability to obtain and maintain Public Trust (Tier 3/NACLC) clearance. • Bachelor’s degree in IT / Cybersecurity / Data Science / IS / CS (ABET or CAE accredited), OR CISSP. • Microsoft Azure Solutions Architect Expert (AZ-305), OR Microsoft Cybersecurity Architect Expert (SC-100).

🏖️ Benefits

• Help us build modern, resilient, and secure enterprise systems that support the health and readiness of those who serve.