Lead Software Engineer - Proxy/SSE Network Security

In this Lead Software Engineer role, you will shape and deliver trusted security technology that protects the firm’s perimeter and cloud-adjacent environments. You will work within Corporate Sector - Enterprise Technology, partnering across cybersecurity, networking, and application teams to build scalable, secure solutions. You’ll tackle complex problems around Zero Trust, proxy and SSE patterns, and AI-assisted engineering practices to raise code quality and resilience. This is a high-impact role at scale, with a clear focus on risk reduction and operational stability.

• comprehensive health care coverage
• retirement savings plan
• tuition reimbursement
• mental health support
• wellness centers on-site
• disability and family-friendly accommodations

• Design and implement innovative network security software solutions and troubleshoot complex issues
• Develop secure, production-grade code and review peers' work
• Architect and deploy Zero Trust Network Access (ZTNA) patterns for user-to-app and user-to-internet access
• Build and operate Identity-Aware Proxy (IAP) and policy enforcement for web/app access
• Implement or integrate Secure Gateway / Secure Web Gateway capabilities (URL filtering, TLS inspection, malware protection, sandboxing, egress controls, DNS security)
• Leverage enterprise AI-assisted development tools to improve code quality, delivery speed, and testing
• Maintain strong understanding of network infrastructure, protocols, and vulnerability mitigation
• Own the US perimeter, proxy, and SSE/SASE engineering roadmap and execution with cross-team governance and stakeholder alignment
• Define standards, reference architectures, and reusable patterns for perimeter and egress controls, TLS, and policy integration
• Provide engineering leadership across edge environments (Cisco/Arista), interconnect ecosystems (Equinix Fabric), and cloud adjacencies (AWS Direct Connect, AWS PrivateLink)
• Establish governance to accelerate remediation with traceability and risk reduction metrics
• Drive operations excellence for perimeter, proxy, and SSE services with observability, incident management, and modernization outcomes

• 5+ years in network security / SASE/ SSE/ identity security / security engineering
• Strong understanding of Zero Trust principles, policy-based access, segmentation, and secure egress
• Hands-on experience with proxy/gateway architectures and secure internet access controls
• Deep knowledge of SAML, OIDC, OAuth 2.0 concepts, JWT (signing, verification, JWKs, rotation, scopes/claims, replay protection)
• Experience with approved AI-assisted development tools and ability to set team expectations for validating AI outputs for correctness, performance, and security
• Strong understanding of responsible AI use in engineering workflows and secure data handling
• Regional ownership experience in the US for infrastructure and/or security platforms
• Experience supervising engineers and delivering cross-team modernization programs
• Strong knowledge of perimeter security architecture, controls, and defense-in-depth design
• Experience designing/operating proxy and SSE capabilities at enterprise scale
• Experience aligning edge/perimeter connectivity with operational and control requirements
• Knowledge of interconnect and cloud adjacency models (Equinix Fabric, AWS Direct Connect/PrivateLink)

• leadership and people management
• cross-functional collaboration
• risk-based decision making
• ZTNA
• IAP
• Secure Web Gateway (SWG)