IT Operations & Security Engineer

IT Operations & Security Engineer to manage the IT infrastructure, cloud services, and cybersecurity environment.

Hands‑on technical expertise with operational leadership, vendor management, and security best practice to ensure the systems remain secure, resilient, and highly available.

About the Role

We are seeking an experienced IT Operations & Security Engineer to manage and enhance the IT infrastructure, cloud services, and cybersecurity environment.

This role combines hands‑on technical expertise with operational leadership, vendor management, and security best practice to ensure the systems remain secure, resilient, and highly available.

The successful candidate will play a key role in supporting and improving the organisation's Microsoft cloud and on‑premises infrastructure, delivering infrastructure and security projects, maintaining disaster recovery capabilities, and ensuring compliance with industry best practices.

Occasional travel to the London office and other business locations, together with occasional out‑of‑hours work for planned maintenance or major incidents, will be required.

Key Responsibilities

• IT Operations
• Manage and oversee third‑party vendors responsible for supporting Azure, Microsoft 365, servers, networks, storage, and end‑user infrastructure.
• Monitor system performance, capacity, and availability, identifying and implementing improvements.
• Deploy, configure, maintain, and patch cloud and on‑premises infrastructure.
• Administer Microsoft Entra ID (Azure Active Directory) and Identity & Access Management (IAM).
• Manage Microsoft Hyper‑V virtualisation environments.
• Automate operational tasks using Power Shell and scripting tools.
• Manage backup, disaster recovery, and business continuity processes.
• Troubleshoot and resolve infrastructure, server, networking, and hardware issues.
• Deliver infrastructure, cloud, cybersecurity, and disaster recovery projects.
• Maintain hardware, software, and asset inventories.
• Ensure adherence to ITIL Incident, Change, and Problem Management processes.
• Deputise for the Head of Information Services when required.
• Cyber Security
• Monitor, investigate, and respond to security alerts using SIEM, EDR, Microsoft Defender, or equivalent platforms.
• Perform vulnerability assessments and oversee remediation activities.
• Configure and manage enterprise firewall solutions.
• Manage endpoint security, email security, and cloud security controls.
• Implement and maintain cybersecurity policies, standards, and technical controls.
• Support Cyber Essentials Plus compliance and contribute towards ISO 27001 and NIST best practice.
• Lead root cause analysis following security incidents and implement corrective actions.
• Evaluate and implement new infrastructure and security technologies.
• Collaboration & Governance
• Work closely with internal teams and third‑party technology partners.
• Provide technical guidance and mentoring to colleagues.
• Support audits, security awareness initiatives, and risk assessments.
• Produce and maintain accurate technical documentation.
• Recommend and implement continuous service improvements.

Essential Skills & Experience

• Strong hands‑on Microsoft Azure administration and support experience.
• Strong experience managing Microsoft Hyper‑V environments.
• Hands‑on experience configuring, managing, and troubleshooting enterprise firewall solutions (Fortinet, Palo Alto, Cisco, Sophos, Check Point, or similar).
• Experience administering Microsoft Entra ID (Azure Active Directory) and Identity & Access Management (IAM).
• Strong Microsoft 365 administration experience.
• Experience supporting Windows Server environments.
• Experience managing hybrid cloud and on‑premises infrastructure.
• Power Shell scripting and automation.
• Strong networking knowledge including TCP/IP, DNS, DHCP, VLANs, VPNs, routing, and switching.
• Experience with backup technologies, disaster recovery, and business continuity planning.
• Experience with vulnerability management, patch management, endpoint security, and Microsoft Defender.
• Experience using SIEM and EDR security monitoring platforms.
• Strong understanding of ITIL Incident, Change, and Problem Management.
• Experience managing third‑party vendors and managed service providers.
• Excellent troubleshooting and analytical skills.
• Excellent written, verbal, and documentation skills.
• Ability to prioritise multiple tasks and work effectively under pressure.

Desirable Qualifications

• ITIL Foundation Certification.
• Microsoft Azure Administrator Associate (AZ‑104) or equivalent.
• Microsoft Security certifications (SC‑200, SC‑300, AZ‑500).
• Cisco CCNA or equivalent networking certification.
• Comp TIA Security+, CISSP, or equivalent cybersecurity certification.
• Personal Attributes
• Strong ownership and accountability.
• Excellent organisational and time management skills.
• Calm and methodical approach to problem solving.
• Excellent communication and stakeholder management skills.
• Proactive and continuously seeking service improvements.
• Strong customer focus with a collaborative working style.

Benefits

• Hybrid working
• Pension scheme
• Annual leave entitlement
• Professional training and certification support
• Employee wellbeing programme
• Opportunity to work with modern Microsoft cloud and cybersecurity technologies
• Collaborative and supportive working environment

We welcome applications from all candidates.

Robert Walters Operations Limited is an employment business and employment agency.

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