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Infrastructure Security Specialist - Outside IR35

Infrastructure Security Specialist - Outside IR35

Hybrid

London, United kingdom

Freelance

09-05-2025

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Expired

Job Specifications

Role
Conduct security assessments and hardening of Active Directory (AD), Azure AD, VMware ESXi and virtual machine infrastructure.
Collaborate with infrastructure and operations teams to integrate security into network, identity and virtualisation platforms.
Develop and maintain infrastructure security standards, playbooks and runbooks.
Assist with incident response and troubleshooting for infrastructure-related security events.
Monitor and ensure compliance with security policies and regulatory requirements (e.g. CIS, NIST, ISO 27001).

Skills
Design and implement secure network architectures for cloud (Azure), on-prem and hybrid environments.
Conduct security assessments and hardening of Active Directory (AD), Azure AD, VMware ESXi and virtual machine infrastructure.
Lead firewall rule audits, optimisation and policy enforcement.
Develop and maintain infrastructure security standards, playbooks and runbooks.
Assist with incident response and troubleshooting for infrastructure-related security events.
Monitor and ensure compliance with security policies and regulatory requirements (e.g. CIS, NIST, ISO 27001).
Experience writing and maintaining security documentation (standards, SOPs, diagrams).

About the Company

We deliver services in Cybersecurity, Application Security and DevOps and are trusted by some of the world’s leading brands to maximise the value of their security investments and to improve the efficiency of their software delivery process. Our expertise and experience in technical delivery across multiple industry sectors is what sets us apart, along with our flexible and tailored partnership approach to ensure our customers’ success, putting security at the heart of everything we do. Know more