Operational Technology (OT) Security Engineer at Dover Engineering Limited

JOB PURPOSE / OBJECTIVE

• To assist the company’s OT Security Focal in performing daily operational OT security duties; ensuring appropriate and secure management and use of the OT systems and applications in the OT.
• Operations shall be performed in compliance with OT Security Standard, other applicable OT security standards and legislation.

Basic functions & Principal Responsibilities:

• Provide input to the compliance assessment of the policies governing the company’s Operations
• Technology and the systems that are connected to it. Policies include:
• Security Patch Management within the company OT Domain.
• Antivirus DAT Updates Management within the company OT Domain.
• Acceptable Use of Portable Media within the company OT Domain.
• OT Domain Access and Security.
• OT Domain Backup and Restore
• Maintain an inventory of computers, servers and other access devices that are attached to the Network
• Ensure the asset inventory list is up to date in line with the company OT Security Manual - Asset Inventory requirements.
• Provide input to the periodic reviews of the asset inventory information.
• Maintain an inventory of portable media (including laptops), that are used in the OT Network.
• Administer portable medias (including laptops) and maintain a record of portable media use.
• This includes maintaining the secure scanning stations, and access points within the OT.
• Manage user access after authorization by OT Administrator and Site Focal
• Add, remove, or update user account information after authorization.
• Maintain role-based-access-control (RBAC) in the OT.
• Reset passwords with user signoffs.
• Monitor external remote user access sessions to the OT, ensuring restriction and terminations are implemented in line with the company-OT Security Manual.
• Ensure upkeep information in relation to Windows Active directory.
• Ensure the OT user Access list is up to date in line with OT Domain Access and Security requirements.
• Provide input to the periodic reviews of the OT User Access Control
• Manage, assign, and maintain the list of network addresses and ensure all OT equipment and cables are labelled in line with the as-built documentation.
• Apply operating systems updates, patches and make configuration changes to tighten security, subject to management of change process.
• Conduct routine verification of the McAfee DAT distribution to the networked OT equipment to fortify the network security system.
• Liaise with IMT team for the routine retrieval of anti-virus signatures and manually update the

JOB / PERSON REQUIREMENT:

• A minimum of BSC. /HND in Engineering or Sciences (Electronics/Electrical, Physical Electronics, Instrumentation, Control or Mechanical Engineering or Computer Science) or any other professional certification required for the job + computer literacy.
• A minimum of five (5) years’ post graduate work experience with IT or control and automation disciplines with at least 1 year in similar function in an LNG plant or in a petrochemical company.