OT Systems Administrator

Select how often (in days) to receive an alert:

The OT (Operational Technology) System Administrator is responsible for the day-to-day secure management operation, and use of OT systems and applications within the OT environment. Work in the OT shall be performed in compliance with HF Sinclair standards, other applicable OT security standards and applicable OT security legislation.

ESSENTIAL JOB DUTIES/RESPONSIBILITIES: (functions considered essential as defined by ADA)

• Be the point of oversight to incorporate all elements required to deliver a stable platform to facilitate the operation and business workflows.
• Act as first point of contact for OT Security and interface with site/project personnel (e.g. System Custodians, Control System Engineers).
• Ensure non-compliances are reported timely to the accountable manager.
• Engage the site/project staff for embedding local processes and procedures required to meet the applicable standards.
• Make an assessment on the criticality and importance of OT systems to core HF Sinclair business, with particular focus on safety and integrity issues.
• Develop information security requirements for applications, supporting programs and OT equipment in cases where there are no adequate requirements specified in company standards.
• Establish and continue to mature operational processes and supporting tools to ensure fit for purpose.
• Gather feedback on operations from business stakeholders.
• Work closely with Central OT Team, engineering and projects organizations defining Strategy, Services portfolio and Delivery capability for OT Security.
• Ensure that implemented security controls and countermeasures works as intended
• Request technical support and assistance from the regional organization or vendor support system as needed.
• Review new standards, processes and tools from a technical and operational perspective.
• Manage relationships with external vendors, service companies, etc. regarding OT issues.
• Be a driving force for implementing security measures and contributing to the managers’ and employees’ ability to fulfill their information security responsibilities.
• Uses common engineering concepts in a particular field to perform projects, and assignments for the engineering department with direct supervision and exercises judgment in the independent evaluation, selection and substantial adaptation and modification of standard techniques, procedures, and criteria.
• Estimates the cost and feasibility of a given project, supervises contractors and field activities and provides discipline specific engineering assistance, direction and development assistance to colleagues depending on assignment.
• Resolves a variety of complex problems, (i.e. conflicting design requirements, unsuitability of conventional materials, difficult coordination requirements), and solves technical problems related to projects, troubleshoots and updates report data for business unit(s).
• Support the design, implementation, and maintenance of DCS systems (including switches, routers, stations, controllers, I/O, and servers), including planning and implementing equipment upgrades to deal with obsolete equipment.
• Provide operations support for the refinery process control environment. This includes trouble shooting and maintenance of base level and advanced process control strategies, monitoring of key process indicators of control system health, maintenance of the alarm management system, graphics modifications and database support for the plant operating data historian.

Special assignments or tasks assigned to the employee by their supervisor, as determined from timeto time in their sole and complete discretion.

A minimum of 2 years of progressive work experience in OT Systems and/or…