Enterprise Security Architect, Lead

Enterprise Security Architect, Lead The Opportunity: Everyone knows security needs to be baked into an enterprise architecture—you know how to make it happen. You identify structural vulnerabilities and translate technical risks into clear business-risk metrics. What if you could use your security architecture expertise to help protect the client's enterprise environment? We’re looking for a lead security architect to shape solutions that strengthen security across a complex hybrid enterprise. As a lead security architect at Booz Allen, you’ll serve as the primary security architecture advisor. You’ll lead design, threat-modeling, and remediation sessions with the CISO office, Network Engineering, Endpoint Management, and external vendors and partners. You’ll author an enterprise security architecture roadmap aligned with CISO goals and business needs across edge and network defense, cloud security, transport security, endpoint protection, and certificate lifecycle management. You’ll also advise on planning and operations for CISO Engineering Security Edge workstreams. You’ll lead proactive architecture reviews and continuous monitoring across the client's global hybrid environment to identify structural weaknesses and recommend remediation. You’ll help establish and enforce infrastructure security policies and advance security automation. This is a chance to strengthen security across a large-scale enterprise while working across edge and perimeter defense, cloud, PKI, endpoint protection, and security operations. Work with us as we protect and advance postal services across the country. Join us. The world can’t wait. You Have: 15+ years of experience with architecture across edge and perimeter defense and enterprise security infrastructure, including IDS/IPS, WAF/WAAP, SD-WAN remote security, PKI/CAOps, NDR, NGFW, EDR/XDR, SIEM, DNS protection, proxy and web proxy, PAC, load balancers, IP routing, and data center design 10+ years of experience with cybersecurity and infrastructure 5+ years of experience in a security architecture role influencing architecture decisions and priorities Experience applying security governance, policies, and standards, managing security governance workstreams, supporting security incident response, and advancing SI automation Knowledge of SASE/SSE convergence, including SD-WAN, CASB, SWG, and ZTNA, Zero Trust principles and their practical application, and network service security, including DNS, PKI/CAOps, and proxy services Knowledge of security framework alignment, including mapping infrastructure patterns to NIST CSF, NIST SP 800-53, and the CIS Critical Security Controls, large-scale hybrid enterprise environments spanning physical data centers and AWS, GCP, and Azure, and AI application development methodologies Ability to translate technical risks and structural vulnerabilities into business-risk metrics, author security architecture roadmaps, lead sessions across at least four stakeholder groups, and conduct proactive architectural reviews Public Trust HS diploma or GED CCIE and CISSP Certifications Nice If You Have: Completion of training in Microsoft Azure Completion of GCP fundamentals or associate-level training Completion of AWS fundamentals or associate-level training Completion of Splunk training Completion of x-AI Fundamentals training Vetting: Applicants selected will be subject to a government investigation and may need to meet eligibility requirements of the U.S. government client; Public Trust determination is required.

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