Hybrid Security Architect – Infrastructure & Network Security

Posted 4 weeks ago

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About the role

  • Contract Security Architect focused on infrastructure security architecture for a financial services organization. Establishing governance and providing strategic guidance on security standards and policies.

Responsibilities

  • Establish security architecture governance at the infrastructure level
  • Define and document infrastructure security architecture standards and principles aligned to industry frameworks
  • Review and provide security sign-off on network and infrastructure designs as part of the transformation programme
  • Identify security gaps across the current environment (network, server, voice, hosting) and produce a prioritised remediation roadmap
  • Work with the CISO function to establish technical security policies where none currently exist
  • Evaluate and rationalise the existing security tooling estate (firewalls, network security tools, monitoring)
  • Provide guidance on firewall architecture (Palo Alto migration from ASA, segmentation strategy)
  • Advise on secure cloud architecture and landing zone design for hybrid/multi-cloud environments
  • Support procurement and vendor selection with security assessment criteria

Requirements

  • 8-10 years of experience in security architecture and infrastructure
  • Strong network security architecture skills: firewall design, micro-segmentation, DMZ architecture, east-west traffic control
  • Palo Alto Networks (PA-40 series): policy design, migration from legacy ASA
  • Understanding of regulatory requirements applicable to financial services (FCA, PRA, JFSA reporting obligations)
  • Knowledge of security frameworks: NIST, ISO 27001, CIS Controls
  • Cloud security: Azure, AWS security architecture, secure landing zones
  • Vulnerability management, threat modelling, and security risk assessment
  • Experience defining and implementing security policies for hybrid environments
  • Advantageous CISSP, CISM, or equivalent professional qualification
  • Experience with network automation and security orchestration
  • Familiarity with SIEM, NDR, or network observability tooling
  • Understanding of trading floor and financial services technology risk.

Benefits

  • We are committed to building an inclusive workplace and encourage applications from women and other under-represented groups in tech. All qualified candidates are welcome.

Job title

Security Architect – Infrastructure & Network Security

Job type

Experience level

SeniorLead

Salary

Not specified

Degree requirement

Professional Certificate

Location requirements

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