IT Operations Platforms and Security Lead

Company: Nexus Jobs
Apply for the IT Operations Platforms and Security Lead
Location: London
Job Description:

Overview

In this role you lead global IT operations and security for a commercial insurance environment, ensuring platform stability, security, and efficiency. You will manage a small IT team, coordinate with stakeholders and vendors, and drive operational excellence and transformation projects. The role combines hands-on infrastructure work with governance, cloud strategy, and risk management to align outsourced and cloud services with business goals. You will shape secure, scalable IT platforms in a buy-before-build environment.

Responsibilities

  • Lead IT operations and service delivery to ensure high availability and continuity
  • Manage a small IT team, stakeholders, and third-party vendors
  • Oversee security, risk management, and regulatory compliance across cloud and on-premises systems
  • Define and enforce cloud security policies, IAM, and zero-trust principles
  • Lead threat monitoring, incident response, and vulnerability management
  • Drive IT transformation projects and platform migrations with minimal business disruption
  • Develop and test DR/BCP plans and ensure alignment with governance
  • Ensure cost-effective, robust outsourced/cloud services in line with strategic IT vision

Key requirements

  • Global enterprise infrastructure experience (last 5 years)
  • Strong Microsoft Azure and Microsoft 365 administration and design
  • IAM expertise (Azure AD, MFA, Conditional Access, SSO, PAM)
  • Experience with security frameworks (ISO 27001, NIST, GDPR, SOC2)
  • Threat management, SIEM, and endpoint/security tooling
  • Vendor and project management, with ability to lead migrations and upgrades
  • Network and security administration (Firewalls, VPN, SD-WAN)
  • ITIL-based service management and automation
  • Windows Server, AD, SQL, and Intune administration
  • Stakeholder engagement
  • Problem-solving
  • Decision-making
  • Azure Infrastructure design and administration
  • Microsoft 365 (Exchange, SharePoint, Teams)
  • Microsoft Defender and Sentinel for security monitoring

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Posted: October 1st, 2026