IT Operations and Security Engineer

Cyber Security training courses; Greater London; Hybrid; GBP 60,000 - 65,000; Full time

Benefits offered by this job

Hybrid workplace

Job summary

Robert Walters is recruiting for an experienced IT Operations & Security Engineer in London to manage and improve IT infrastructure, cybersecurity and resilience. The role covers cloud/on-prem environments, governance, and supplier management within a hybrid working setup.

The successful candidate will have strong Azure/M365, AD and Intune/SCCM experience, plus PowerShell automation and Defender security expertise.

Qualifications

• 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.
• Experience with 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.

Responsibilities

• Manage, maintain and support IT infrastructure across cloud and on-premises environments.
• Support Azure, M365, and AD and related enterprise technologies.
• Administer endpoint management solutions including Intune and SCCM.
• Support VMware vSphere, server, storage and virtualization infrastructure.
• Monitor system availability and performance to identify improvements.
• Triage and resolve infrastructure incidents.
• Migrate and upgrade infrastructure and execute technical projects.
• Implement and maintain IT security policies, standards and procedures.
• Monitor security alerts using SIEM and EDR tools.
• Maintain endpoint protection and threat detection, including Defender.
• Coordinate vulnerability scanning, patch management and remediation.
• Support Cyber Essentials Plus certification and security compliance.
• Contribute to security risk assessments, audits and improvements per frameworks.
• Identify security risks and propose mitigations.
• Develop and maintain PowerShell scripts to automate administration.
• Seek opportunities to improve efficiency through automation.
• Contribute to implementing new technologies and infrastructure.
• Maintain technical documentation and configurations.
• Support disaster recovery and business continuity planning.
• Assist with backup, recovery and resilience testing.
• Ensure critical systems can be restored after incidents.
• Work with third-party IT suppliers and MSPs to ensure service delivery.
• Monitor supplier performance and resolve issues.
• Collaborate with internal teams to translate business needs into technical solutions.
• Provide technical guidance to colleagues and stakeholders.
• Deputise for IT Operations & Security Manager when required.
• Follow ITIL-aligned incident, problem and change management processes.
• Maintain compliance with internal IT policies and security standards.
• Support IT audits, risk assessments and operational reporting.
• Contribute to continuous improvement across IT operations and security.

Skills

Azure & M365

Active Directory

Intune & SCCM

VMware vSphere

PowerShell scripting

ITIL

Security principles

Incident response

Hybrid IT

Communication

Education

ITIL Foundation certification

MCSE or equivalent Microsoft qualifications

Cisco networking or firewall certifications

Cyber Essentials Plus certification

ISO/NIST security frameworks knowledge

SIEM/EDR experience

Vendor/Supplier management experience

Disaster recovery / governance exposure

Tools

Microsoft Defender

SIEM/EDR platforms

Azure Resource Manager

Job description

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

• 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

About the job

Contract Type: Permanent

Specialism: Technology & Digital

Focus: Architecture

Industry: Public Sector and Government

Salary: £60,000 - £65,000 per annum

Workplace Type: Hybrid

Experience Level: Mid Management

Location: London

FULL_TIME

Job Reference: 0KWO2Z-FEDB5994

Date posted: 2 November 2026

Consultant: Nel Pearce