[Hiring] Principal Enterprise Security Architect @General Dynamics Information Technology

Role Description

Advance your career while impacting our national security as a Principal Enterprise Security Architect (SME). Here, technologists have many paths to grow a meaningful career supporting cyber missions and operations across the federal government.

We are seeking a visionary Principal Enterprise Security Architect to serve as the strategic and technical bridge between USPS security operations and CISO leadership, and enterprise infrastructure. Operating within the USPS Corporate Information Security Office (CISO), you will collaborate directly with internal and external stakeholders to align corporate initiatives with robust cyber defense strategies. The primary focus of this role is to ensure the preservation and continuous enhancement of USPS’ security posture throughout their continuing infrastructure evolution process and into the ultimate architectural end-state. You will identify structural security gaps across USPS hybrid environment, comprising multiple physical data centers and multi-cloud environments, engineering resilient solutions to mitigate them, while using SI and LLM.

Qualifications

• Bachelor’s degree in engineering or other IT/security related major; or equivalent experience
• CCIE
• CISSP
• Desired Training: Microsoft Azure, GCP, AWS Fundamentals/Associate, Splunk, x-AI Fundamentals

Requirements

• 10+ years’ relevant experience
• 15+ years with strong experience with Edge and Perimeter Protection solutions and designs - IDS/IPS, WAF/WAAP, SDWAN remote security
• 10+ years of progressive experience in cybersecurity and infrastructure, with 5+ years in a dedicated architecture role directly influencing architectural decisions and priority
• 15+ years with hands-on architectural experience across the entire technical scope: PKI, NDR, NGFW, WAAP, EDR/XDR, and SIEM, IDS/IPS, DNS Protection, Proxy, Webproxy, PAC, Loadbalancer, IP routing, Data Center designs
• Act as the primary security architecture advisor to USPS CISO ENG, translating deep technical risks and structural vulnerabilities into clear business-risk metrics
• Lead collaborative design, threat modeling, and remediation sessions across the CISO office, Network Engineering teams, Endpoint Management teams, and external vendor/partner organizations
• Formulate and author Enterprise Security Architecture roadmap, ensuring the security solution/technology investments align with CISO goals and business needs
• Establish and enforce governance and security policies in the infrastructure
• Manage and/or advise on planning and operation of all CISO Engineering Security Edge workstreams
• Conduct rigorous, proactive architectural reviews of the global hybrid footprint to identify structural weaknesses through continuous monitoring
• Strong experience with SASE/SSE Convergence – SDWAN, (CASB), Secure Web Gateways (SWG), and Zero Trust Network Access (ZTNA)
• Strong experience with Network service security and infrastructure – DNS security, PKI and CAOps, Proxy
• Strong understanding of Zero Trust tenets and principles, and practical application of the principles
• In-depth understanding of Security Framework Alignment: Map all infrastructure patterns to prevailing industry standards and best practices, specifically NIST CSF / SP 800-53 and the CIS Critical Security Controls
• In-depth understanding of hybrid large scale enterprise: Strong history of assessing and securing complex enterprise environments spanning multiple physical data centers and comprehensive multi-cloud environments from various cloud service providers (AWS, GCP, Azure)
• Experience with development and application of governance policy and standards in application of security tools, and Security Governance process/workstream management
• Experience with security Incident response activities
• Understanding AI application development methodology

Benefits

• 401K with company match
• Comprehensive health and wellness packages
• Internal mobility team dedicated to helping you own your career
• Professional growth opportunities including paid education and certifications
• Cutting-edge technology you can learn from
• Rest and recharge with paid vacation and holidays

Company Description

We are GDIT. A global technology and professional services company that delivers technology solutions and mission services to every major agency across the U.S. government, defense and intelligence community. Our 26,000 experts extract the power of technology to create immediate value and deliver solutions at the edge of innovation. We operate across 50+ countries worldwide, offering leading mission-ready capabilities in AI, cloud, cyber and software development.