Job Summary

We are seeking a Senior Security Engineer (Infrastructure) to help strengthen and mature infrastructure security capabilities across cloud and on-prem environments. This is a technical role focused on improving visibility, resilience and security maturity across the organisation.

The successful candidate will work closely with INO (Infrastructure & Network Operations), Corporate IT and Platform Engineering teams to strengthen network and platform security, implement scalable controls and support modern security practices across high-availability environments.

The role requires a technical understanding across networking, cloud, edge security, infrastructure hardening and operational security tooling. The successful candidate will remain close to engineering and operations whilst helping improve security standards, visibility and incident response capabilities across distributed environments.

Main Responsibilities

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 the implementation, tuning and operational maturity of endpoint security, EDR and Microsoft Defender capabilities across infrastructure, corporate and production environments
Support identity, access management and privileged access security initiatives across infrastructure environments
Continuously evaluate emerging infrastructure threats, attack vectors and security tooling to strengthen the organisation’s security posture
Work closely with ISO and compliance teams to ensure infrastructure security controls align with regulatory and governance requirements

Main Requirements

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 across modern network and infrastructure environments
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

What’s in it for you?

Experience a dynamic and team-orientated work environment.
Opportunities for personal growth and learning
An open, inclusive and supportive team where you will be valued, and your suggestions will be welcome.
26 days paid holiday per year. This is 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
Receive support whenever you need it with our Employee Assistance Program, available 24/7.
Local discounts and more…

Our team is committed to keeping remuneration and benefits under constant review to make sure what we offer stays relevant.

Senior Security Engineer (Infrastructure)

Job Description