ICS / OT Cybersecurity Technician

Role overview

This position is for a seasoned ICS / OT Cybersecurity Technician who will assist with cybersecurity operations for industrial control and operational technology environments in an Oil & Gas or chemical production setting. The work is practical and field-oriented, with frequent site activities inside a continuously operating 24x7 plant.

What the job involves

The technician will help maintain OT cybersecurity equipment, complete patching and antivirus refreshes, take backups, support restoration efforts, and execute field-level cybersecurity work across DCS, SIS, and other OT platforms.

Core duties

• Carry out both preventive and corrective maintenance for OT cybersecurity equipment.
• Apply patch updates and antivirus updates to OT assets already in service.
• Gather backups and assist with recovery for DCS, SIS, ICS, and related OT systems.
• Collect field asset information for DCS and non-DCS systems tied to projects.
• Perform site inspections, validate mark-ups, and help prepare as-built records.
• Support field-side ICS cybersecurity tasks such as cabinet lock upkeep, cable fault checks, cable removal, new cable installation, and general field housekeeping.
• Assist with the installation and swap-out of DCS, SIS, and ICS cybersecurity components.
• Stage spare parts and project consumables for DCS, SIS, and ICS cybersecurity work.
• Print, label, and affix network cable identifiers for OT cybersecurity assets.
• Support power cable routing and installation inside PPC, DCS, SIS, and ICS cybersecurity cabinets.
• Install communication cabling for new KVM units and organize monitors and workstations.
• Check and capture as-built nameplate details for installed OT equipment.
• Arrange and obtain PTW approvals for all field tasks.
• Work with the maintenance team for non-DCS assets and complete cybersecurity PM activities such as antivirus deployment, physical hardening, and Windows patching.
• Support physical protection measures, including USB locks and access-control checks.
• Complete daily PM work linked to ICS field activities and support collection of field asset logs.

Experience and qualification requirements

• A graduate degree or a 3-year diploma in Engineering, Computer Science, IT, Electrical, Instrumentation, Automation, Mechatronics, Cybersecurity, Electronics, or another relevant field is required.
• At least 3 years of experience in Oil & Gas or chemical facilities with a focus on ICS / OT cybersecurity is needed.
• Experience of 5 years or more is preferred.
• Background in Oil & Gas, petrochemical, or chemical manufacturing environments is an advantage.
• Practical exposure to OT assets, DCS, SIS, ICS systems, site work, patching, antivirus updates, backup support, and asset hardening is expected.
• CCNA or Network+ certification is preferred.
• CEH, Security+, or CySA+ certification is preferred.
• At least one cybersecurity certification is desirable.
• Strong communication, coordination, and interpersonal abilities are important.
• The role requires readiness to work in a 24x7 industrial plant environment with substantial field activity.

Work environment

This is an onsite role based in Doha, Qatar.