Infrastructure Security Engineer | Integrated Global Financial Institution

[Up to c. $270k Comp Package | Hybrid Working + Some On-Call Expectations]Role OverviewWe’re representing a global financial institution investing heavily in strengthening its core security engineering capability across infrastructure and platform services. As part of this, they are looking to hire a hands-on Infrastructure Security Engineer to take ownership of a broad set of security technologies underpinning enterprise environments. This role sits between security operations and platform engineering - focused on building, integrating, and optimising security tooling rather than simply monitoring it. You’ll act as a technical lead across multiple security platforms, working closely with internal teams and vendors to ensure systems are robust, scalable, and aligned with evolving security requirements...Key ResponsibilitiesEngineer, deploy, and enhance enterprise security platforms across endpoint, network, and cloud environmentsOwn the lifecycle of key tooling including configuration, upgrades, optimisation, and integrationAct as a subject matter expert across multiple security technologies, supporting both project and BAU initiativesLead implementation and replacement of security platforms within complex enterprise environmentsTroubleshoot platform issues, performing root cause analysis and driving long-term fixesSupport and refine security monitoring capabilities through improved configurations and use-case tuningCollaborate with vendors to resolve issues, evaluate capabilities, and guide product adoptionContribute to governance, standards, and documentation across supported platformsPartner with security operations teams, acting as an escalation point where requiredDrive automation across security workflows using scripting and toolingWhat You’ll Bring…5-8 years’ experience in security engineering, infrastructure security, or platform security rolesStrong hands-on experience with security tooling across EDR, SIEM (e.g. Splunk), SOAR, and network security platformsPractical experience with SASE architectures, next-generation firewalls, and proxy technologiesSolid understanding of networking fundamentals (DNS, IP, routing concepts)Experience deploying, upgrading, and integrating enterprise security platformsStrong troubleshooting capability, with a structured approach to root cause analysisWorking knowledge of Linux (RHEL) and Windows environmentsExperience scripting or automating workflows using Python, PowerShell, or similarFamiliarity with virtualisation platforms (e.g. VMware or equivalent)Understanding of the incident response lifecycle, with ability to support escalation scenariosStrong communication skills, able to engage both technical teams and stakeholders(Preferred) Background in financial services or other regulated environments...