IT Operations and Security Engineer

Robert WaltersLondonreedpublisert 02.11.2026
Må ha:AzureCloudSecurityHybrid

About the Role

We are recruiting for an experienced IT Operations & Security Engineer to join an established professional organisation based in London.

This is an excellent opportunity for a technically skilled individual to play a key role in managing, maintaining and improving the organisation's IT infrastructure, cybersecurity and operational resilience.

Key Responsibilities

IT Infrastructure & Operations

  • Manage, maintain and support IT infrastructure across cloud and on-premises environments.
  • Support Microsoft Azure, Microsoft 365, Active Directory and associated enterprise technologies.
  • Administer and maintain endpoint management solutions, including Microsoft Intune and SCCM.
  • Support server, network, storage and virtualisation infrastructure, including VMware environments.
  • Monitor system availability, performance and reliability, identifying opportunities for improvement.
  • Troubleshoot complex technical issues and ensure timely resolution of infrastructure incidents.
  • Support infrastructure upgrades, migrations and technical improvement projects.

Cybersecurity & Risk Management

  • Support the implementation and maintenance of IT security policies, standards and procedures.
  • Monitor security alerts and incidents using security information and event management (SIEM) and endpoint detection and response (EDR) solutions.
  • Maintain and improve endpoint protection and threat detection capabilities, including Microsoft Defender.
  • Coordinate vulnerability scanning, patch management and security remediation activities.
  • Support the organisation's Cyber Essentials Plus certification and wider security compliance requirements.
  • Contribute to security risk assessments, audits and improvements aligned with recognised frameworks, including ISO and NIST.
  • Identify emerging security risks and recommend appropriate mitigation measures.

Automation & Technical Improvement

  • Develop and maintain PowerShell scripts to automate infrastructure administration and operational processes.
  • Identify opportunities to improve efficiency, standardisation and service reliability through automation.
  • Contribute to the implementation of new technologies, systems and infrastructure solutions.
  • Maintain accurate technical documentation, operational procedures and system configurations.

Disaster Recovery & Business Continuity

  • Support disaster recovery and business continuity planning across the IT environment.
  • Assist with backup, recovery and resilience testing.
  • Help ensure critical systems and services can be restored effectively following an incident or disruption.

Supplier & Stakeholder Management

  • Work closely with third-party IT suppliers and managed service providers to ensure effective service delivery.
  • Monitor supplier performance and support the resolution of technical or operational issues.
  • Collaborate with internal teams to understand business requirements and provide appropriate technical solutions.
  • Provide technical guidance and support to colleagues and stakeholders.
  • Deputise for the IT Operations & Security Manager when required.

IT Governance & Service Management

  • Follow ITIL-aligned incident, problem and change management processes.
  • Maintain compliance with internal IT policies, procedures and security standards.
  • Support IT audits, risk assessments and operational reporting.
  • Contribute to continuous improvement initiatives across IT operations and security.

Essential Skills & Experience

The successful candidate should demonstrate:

  • Strong experience in IT infrastructure engineering, operations and technical support.
  • Hands-on experience administering Microsoft Azure and Microsoft 365 environments.
  • Strong knowledge of Active Directory, identity management and associated Microsoft technologies.
  • Experience with Microsoft Intune, SCCM and endpoint management.
  • Practical experience supporting VMware vSphere, server infrastructure and virtualised environments.
  • Good understanding of network infrastructure, cloud services and hybrid IT environments.
  • Experience with PowerShell scripting and infrastructure automation.
  • Knowledge of cybersecurity principles, vulnerability management, endpoint security and incident response.
  • Experience supporting Microsoft Defender or comparable security technologies.
  • Familiarity with IT service management processes, including incident, change and problem management.
  • Strong troubleshooting, analytical and problem-solving capabilities.
  • Excellent communication skills and the ability to work with technical and non-technical stakeholders.
  • Ability to manage competing priorities and work independently.

Qualifications & Desirable Experience

  • ITIL Foundation certification.
  • Microsoft MCSE or equivalent Microsoft technical qualifications.
  • Cisco networking or firewall-related certifications.
  • Experience supporting Cyber Essentials Plus certification.
  • Knowledge of ISO and NIST security frameworks.
  • Experience working with SIEM and EDR security solutions.
  • Experience managing third-party IT suppliers or managed service providers.
  • Exposure to disaster recovery, business continuity and IT governance.

Robert Walters Operations Limited is an employment business and employment agency and welcomes applications from all candidates