Senior IT/OT Infrastructure & Systems Engineer
Confirmed on the employer's own hiring board on Oct 24, 2026. First seen by Alion on Oct 13, 2026.
Role Overview
We are looking for an experienced, hands-on IT/OT Infrastructure & Systems Engineer to support IT and Operational Technology environments within a pharmaceutical manufacturing facility.
The ideal candidate will have a strong technical background in IT infrastructure, networking, cybersecurity and computerised systems, with experience supporting manufacturing, automation and laboratory environments.
This role requires a proactive and technically skilled engineer who can troubleshoot complex issues, maintain business-critical systems and work closely with engineering, manufacturing, laboratory, vendors and corporate IT teams.
Key Responsibilities
IT/OT Infrastructure: Install, configure, maintain and troubleshoot servers, workstations, virtualisation platforms, operating systems, storage and associated infrastructure within manufacturing environments.
Networking: Support and troubleshoot OT networks, switches, VLANs, routing, firewalls, network segmentation and secure remote connectivity.
Cybersecurity: Manage endpoint protection, vulnerability management, patching, system hardening, access controls and security monitoring across IT/OT environments.
Systems Administration: Support Windows Server, Active Directory, Group Policy, DNS, DHCP, Microsoft Entra ID, backup and recovery solutions.
Manufacturing & Laboratory Systems: Provide technical support for automation platforms including PLC, SCADA, DCS and HMI, along with manufacturing applications, laboratory instruments, LIMS and chromatography systems.
Systems Integration: Troubleshoot equipment connectivity, application interfaces and data transfer issues while working with internal teams and external vendors.
Operational Support: Investigate technical incidents, perform root-cause analysis, support system upgrades and manage lifecycle activities and service recovery.
Compliance: Ensure IT/OT systems comply with Quality Management System (QMS) requirements, validation standards and site procedures.
Documentation: Maintain SOPs, technical procedures, infrastructure diagrams, system inventories and configuration records.
Required Skills & Experience
Minimum 5 years of hands-on experience in IT infrastructure, IT/OT engineering, industrial IT or a similar technical role.
Strong knowledge of Windows Server, Active Directory, VMware/Hyper-V and enterprise IT infrastructure.
Experience with TCP/IP, switching, routing, VLANs, firewalls and network troubleshooting.
Good understanding of cybersecurity, endpoint protection, vulnerability management and IT/OT network security.
Experience supporting manufacturing systems, automation platforms, laboratory environments or equipment-connected infrastructure.
Strong technical troubleshooting, problem-solving and incident management skills.
Ability to work independently and collaborate effectively with cross-functional teams.
Desirable Experience
Previous experience in pharmaceutical, biotechnology or regulated manufacturing environments.
Familiarity with PLC, SCADA, DCS, MES and industrial communication protocols such as OPC UA, Modbus and PROFINET.
Experience supporting laboratory systems such as Waters Empower, LIMS or analytical instruments.
Understanding of IEC 62443, NIST, GAMP 5, CSV/CSA, 21 CFR Part 11 and EU GMP Annex 11.
Relevant technical certifications such as Microsoft, Cisco, CompTIA Security+ or GICSP.
Qualifications
Degree in Computer Science, Information Technology, Engineering, Automation or a related discipline.
Equivalent relevant industry experience will also be considered.