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EZ

Senior Security Engineer – Infrastructure

EZ

. Design, implement and improve security controls across on-premise, cloud and edge environments .

Posted 9/24/2026full-timeHammersmith • United KingdomSeniorWebsite

Core Competencies

Role fit
Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates expertise in security engineering, focusing on infrastructure, cloud, and network security across on-premise and hybrid environments. Proficient in implementing security controls, managing SIEM platforms, and ensuring compliance with regulatory requirements.

Highest-signal resume keywords
Infrastructure Security EngineeringCloud Security ManagementSIEM ImplementationEndpoint Security ManagementIdentity and Access Management

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills
Security Control DesignVulnerability ManagementInfrastructure HardeningKubernetes SecurityNetwork Security PrinciplesAutomation ToolingCloud Security PlatformsEndpoint Detection and ResponseAPI ProtectionRegulatory Compliance
Soft Skills
TroubleshootingCommunicationStakeholder Management
Tools & Technologies
CloudflareAkamaiMicrosoft DefenderSIEM PlatformsWAFReverse Proxy
Industry Keywords
High-Availability EnvironmentsRegulated IndustriesCompliance-Driven Environments

Tech Stack

Tools & technologies
CloudKubernetesSwitching

About the role

Key responsibilities & impact
  • Design, implement and improve security controls across on-premise, cloud and edge environments
  • Support security architecture and hardening initiatives across servers, operating systems, cloud platforms, Kubernetes and infrastructure services
  • Support implementation, tuning and operational maturity of SIEM, alerting and security monitoring platforms
  • Support Layer 7 and web security initiatives, including WAF, reverse proxy, API protection and edge security controls
  • Support implementation and operational management of edge security platforms such as Cloudflare or similar technologies
  • Support vulnerability management, remediation and infrastructure and networking security assessments across cloud and on-premise systems
  • Lead and support implementation, tuning and operational maturity of endpoint security, EDR and Microsoft Defender capabilities
  • Support identity, access management and privileged access security initiatives
  • Evaluate emerging infrastructure threats, attack vectors and security tooling
  • Work closely with ISO and compliance teams to align infrastructure security controls with regulatory and governance requirements
  • Collaborate with INO, Corporate IT and Platform Engineering teams across cloud and on-premise environments

Requirements

What you’ll need
  • 5+ years’ experience in a dedicated or heavily security-focused engineering role
  • Strong background in infrastructure, cloud or network security engineering within high-availability environments
  • Strong understanding of Layer 3, Layer 4 and Layer 7 security principles
  • Experience securing cloud, hybrid and on-premise infrastructure environments
  • Strong knowledge of networking, routing, switching, firewalling and network segmentation principles
  • Experience with edge and web security platforms such as Cloudflare, Akamai or similar technologies
  • Experience implementing and managing SIEM, logging, monitoring and security detection platforms
  • Strong understanding of infrastructure hardening, IAM, privileged access management and secrets management
  • Experience securing Kubernetes, containerised workloads and cloud-native infrastructure environments
  • Experience with Infrastructure-as-Code, automation tooling and modern platform engineering practices
  • Strong troubleshooting, communication and stakeholder management capabilities
  • Experience operating within regulated or compliance-driven industries is advantageous
  • English language requirement

Benefits

Comp & perks
  • 26 days paid holiday per year, in addition to local public holidays
  • Competitive salary
  • Hybrid working
  • Risk benefits such as pension
  • Life Assurance (4x annual salary)
  • Private Medical Insurance
  • Team building opportunities
  • Flexible core hours between 10am – 4pm
  • Employee Assistance Program, available 24/7
  • Local discounts
  • Opportunities for personal growth and learning
  • Open, inclusive and supportive team environment