IT Systems & Security Engineer

Salary: £45,000 - 45,000 per year

Requirements

• 3+ years experience in a complex network or infrastructure role, or equivalent
• Strong knowledge of Windows Server and core services
• Hands-on experience with virtualisation and backup/disaster recovery concepts
• Strong networking fundamentals, including switching, VLANs, routing, Wi-Fi, and firewall/VPN administration
• Demonstrable experience implementing or maintaining security controls
• Excellent verbal and written communication skills to explain technical concepts to non-technical users
• Ability to build trusted relationships across Operations, Engineering, Finance, and site teams
• Calm, structured approach to incident handling in a time-critical environment
• Experience in manufacturing or 24/7 operational environments is desirable
• PowerShell scripting for automation and standardisation is desirable
• Familiarity with common tooling referenced in the current environment is desirable
• Basic awareness of SQL, SSRS, Power BI, and reporting dependencies is desirable
• Experience working to change control and documenting technical environments and incidents is desirable

Responsibilities

• Ensure the stability, security, and performance of our core IT infrastructure supporting a 24/7 manufacturing operation
• Own and maintain core server and virtualisation platforms, including capacity, performance, and lifecycle planning
• Own core networking, including switching, routing, Wi-Fi, VLAN design, and segmentation to protect OT and business-critical services
• Manage firewalls, VPNs, and secure remote access, ensuring third-party access is time-bound, least-privilege, and logged where possible
• Manage Active Directory and Group Policy, maintaining secure, standardised configurations and access governance
• Lead patch management for servers and core infrastructure, including planned maintenance and communication of downtime
• Own monitoring and alerting for infrastructure and security controls, ensuring alerts are triaged and responded to appropriately
• Maintain and validate our backup strategy, perform regular restore testing, and keep disaster recovery runbooks current and practical
• Support endpoint security posture in partnership with the Support Technician, including baseline standards, compliance reporting, and escalation handling
• Act as technical escalation for the Support Technician and provide coaching and upskilling to improve first-time fix and consistency
• Maintain accurate technical documentation, including network diagrams, configuration records, incident write-ups, and DR procedures
• Maintain endpoint and server protection configuration and investigate high-severity alerts in coordination with the IT Manager
• Maintain vulnerability and patch governance and reduce attack surface through secure baselines and hardening
• Support SIEM processes where applicable, including alert triage, evidence capture, and escalation paths
• Ensure vendor access aligns to governance, including MFA, time-bound access, segmentation, and approved tooling

Technologies

• Active Directory
• Firewall
• Support
• LESS
• Network
• Power BI
• PowerShell
• SQL
• Security
• VPN
• Windows
• Hyper-V

More

We are a leading manufacturing business with an ambitious systems development program, offering an exciting opportunity for an IT Network/Systems Engineer to join our team. This role supports a 24/7 manufacturing operation and works closely with our OT & Data Systems Engineer to ensure factory connectivity and OT segmentation are secure, reliable, and aligned with production requirements. We may also provide the opportunity for ambitious Systems, Network, or Security Engineers with less experience to further develop their skills and experience in a fast-paced, critical environment.

last updated 24 week of 2026