Lead Infrastructure Engineer - Zero Trust & Proxy/SSE

JPMorganChase

Greater London

On-site

GBP 120,000 - 160,000

Full time

23 hours ago
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Job summary

JPMorganChase in London seeks a Lead Software Engineer to drive secure, scalable technology across multiple business functions. You will architect and deliver Zero Trust patterns, IAP, and SSE capabilities while guiding AI-assisted engineering practices.

Strong collaboration with cybersecurity, network services, and operations teams is essential. The role emphasizes enterprise-grade security, governance, and performance across perimeter and cloud adjacency patterns, with a focus on remediation

Qualifications

  • Proven experience in network security / SASE/ SSE/ identity security / security engineering (or equivalent depth).
  • Strong understanding of Zero Trust principles, policy-based access, segmentation, and secure egress.
  • Hands-on experience with proxy/gateway architectures (forward proxy, reverse proxy, IAP patterns) and secure internet access controls. Deep knowledge of SAML, OIDC, OAuth 2.0 concepts, JWT (signing, verification, JWKs, rotation, scopes/claims, replay protection).
  • Demonstrated experience leading effective use of approved AI-assisted software development tools with the ability to set team expectations for validating AI outputs for correctness, performance, and security.

Responsibilities

  • Executes creative Network security software solutions, design, development, and technical troubleshooting with ability to think beyond routine or conventional approaches to build solutions or break down technical problems.
  • Develops secure high-quality production code, and reviews and debugs code written by others
  • Architect and implement Zero Trust Network Access (ZTNA) patterns for user-to-app and user-to-internet access, minimizing implicit trust and reducing lateral movement.
  • Build and operate an Identity-Aware Proxy (IAP) / policy enforcement point for web and application access, enforcing identity, device, and context-based policy decisions.
  • Implement or integrate Secure Gateway / Secure Web Gateway capabilities
  • Experience with other SaaS based Secure Gateway vendor e.g. Zscaler, Netskope, paloalto, Broadcom ProxySG etc
  • Drives team adoption of enterprise-authorized AI-assisted engineering practices to improve quality, speed, and outcomes
  • Applies knowledge of tools within the Software Development Life Cycle toolchain, including AI-assisted development and automation capabilities

Skills

Network security
Zero Trust
Proxy architecture
AI-assisted development
Security engineering
Cloud interconnect

Tools

IAP
ZTNA
SAML/OIDC

Job description

JPMorganChase in London seeks a Lead Software Engineer to drive secure, scalable technology across multiple business functions. You will architect and deliver Zero Trust patterns, IAP, and SSE capabilities while guiding AI-assisted engineering practices.

Strong collaboration with cybersecurity, network services, and operations teams is essential. The role emphasizes enterprise-grade security, governance, and performance across perimeter and cloud adjacency patterns, with a focus on remediation

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