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Senior Control System Specialist

Date: Jul 27, 2017

Location: Denver, CO, US

Company: Tesoro Companies Inc.

Requisition ID: 57421


Supports, manages, and maintains the process controls environment offering technical support for both hardware and software controls systems and operational technology. Support includes planning, implementation, and maintenance of various integrated systems and networks. This is a 24/7 environment with the requirement for reliable systems which facilitate safe and efficient operation of the Company’s assets.


  1. Possess a thorough understanding of the functions of the major components in the Process Control System. Responds to system failures and performs corrective measures as required.
  2. Understands Microsoft operating system and its administrative requirements. Installations of initial release, upgrades, third party software, and new disk drives. Configures file systems, networks, printers, virtual servers, and domain controllers. Creates user accounts and provides user support. Ongoing support of backups, system security, and system performance monitoring.
  3. Evaluate and deploy software applications and antivirus updates and patches to SCADA hardware.
  4. Ability to balance business priorities, information security risks, and best practice security architecture to ensure confidentiality, integrity, reliability, and availability of controls networks.
  5. Works directly with IT to manage the Process Controls Network to Business Network interfaces and applications including firewalls, remote access, and data transfers.
  6. Develops and maintains documentation of existing controls infrastructure including network diagrams, hardware, software applications, and licenses.
  7. Develops and maintains standards, practices, procedures, and policies for Tesoro Logistics controls systems, process controls networks, and telecommunications processes. Troubleshoots communication and remote equipment issues affecting operations.



  • Minimum Bachelor’s Degree in Computer Science, information systems or similarly related field of study or 6 or more years of directly related experience required.


  • Minimum 6 years of process controls systems administrator experience required. Oil and Gas gathering and processing experience preferred.


  • Knowledge of Active Directory, DNS management, WSUS/SCCM, VMWare, SFTP, Cisco Switches, and ICS-CERT. Knowledge of SCADA software including OSI PI and PLC/HMI programs preferred.
  • Ability to consistently use a standard set of related principles, methods, tools, and techniques to manage projects successfully.
  • Strong communication skills with ability to report on work activity.
  • Operations are performed 7 days a week 24 hours a day; therefore, continuous support is required.

Tesoro Corporation, a Fortune 100 company, is a leading independent refiner and marketer of petroleum products with a strategically focused presence in the western United States. Tesoro, through our subsidiaries, owns and operates seven refineries with a combined capacity of over 895,000 barrels per day. Our retail-marketing system includes over 2,400 retail stations under the ARCO®, Shell®, Exxon®, Mobil®, USA Gasoline™, Rebel™ and Tesoro® brands. Our full-service logistics business, a master limited partnership formed by Tesoro Corporation as Tesoro Logistics LP (TLLP), owns and operates 4,000 miles of crude oil, refined products and natural gas pipelines; 29 crude oil and refined products truck and marine terminals; 15 million barrels of storage capacity; two crude oil rail facilities; and four natural gas processing complexes. Headquartered in San Antonio, Texas, our operations span 18 states.

Our strength lies in our investment in employees and in their future. We measure success not only by the products we bring to our customers, or the financial results we deliver to our shareholders, but also by remaining true to our core values of safety and environmental stewardship, respect and integrity.

Discover your strengths and invest in your future by applying today.

Employees must be able to perform the essential functions of the job with or without reasonable accommodation.

Equal Opportunity Employer: Vet / Disability

Posting Notes: || Denver || Colorado || United States (US) || SF:LI-AS-1 || |Logistics || 80202 ||

Nearest Major Market: Denver

Job Segment: Logistics, Telecommunications, Telecom, Information Systems, Computer Science, Operations, Technology

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