Job Posting Date:  Nov 4, 2025
Location: 

Corpus Christi, TX, US, 78469

Job Function:  Technical Services

CITGO PETROLEUM CORPORATION

CITGO Petroleum Corporation is a recognized leader in the refining industry and operates under the well-known CITGO brand. CITGO owns and operates three refineries located in Lake Charles, LA.; Lemont, IL.; and Corpus Christi, TX, and wholly and/or jointly owns 38 active terminals, six pipelines and three lubricants blending and packaging plants. With approximately 3,300 employees and a combined crude capacity of approximately 807,000 barrels-per-day (bpd), positions CITGO as one of the best-branded supplier companies in the industry.

 

At CITGO our people are our most important resource.  Our core values are Safety, Integrity, Respect, Accountability, and Care.

Job Summary

 

Develop, implement, and maintain controls strategies on the Plant Distributed Control System (DCS).  Maintain Plant DCS Hardware and System Software, Programmable Logic Controllers (PLC) Software, and Safety Instrumented Systems (SIS) Hardware and Software, insuring reliable operations.  Support Maintenance, Operations, and Capital Projects by providing engineering assistance on instrumentation selection, repair, and safe process design.

Minimum Qualifications

  • Associate's Degree in Instrumentation, Process Control, Electronics or Computer Science AND, 3+ years of experience in Refinery instrument maintenance or instrumentation design with at least 3 years of PLC programming experience.
  • Basic Computer skills and use of MS Office Suite

Job Duties

  1. Serve as the primary liaison between the Automation Department and Operations, responding to the needs of Operations by making changes to the DCS software that will aid in accomplishing operations mission (changes to controls tuning, data base organization, graphics development and improvement,  custom application program development, etc.).
  2. Maintain Plant DCS, PLC, SIS Hardware and Software, coordinating efforts with CITGO Operations, Engineering, and Maintenance (Contract or CITGO Maintenance employees).  Perform direct maintenance and repair of DCS, PLC and SIS equipment.  Including:  Honeywell, Emerson DeltaV, Allen Bradley, Triconex and Siemens platforms.
  3. Support all Maintenance and Capital projects impacting DCS, SIS, PLC system updates and/or new equipment placed in service which includes all work associated from the field if applicable.  This work scope will include all changes and modifications required to Consoles, Control system computers and/or Safety systems commissioned and connections to PI if applicable
  4. Ownership of housekeeping and organization functions in the Central Control Rooms, including the DCS/PLC Test System and the inventory of reliable spare DCS/PLC equipment.
  5. Provide software, and programming design support for all types of DCS/PLC equipment, including SIS systems, and interfaces to 3rd-party devices using communication protocols such as modbus, OPC, etc.
  6. Perform system management and administration functions required to maintain the DCS equipment including all supporting network infrastructure and network domain.  Install upgrades and configure new domain nodes, administer control domain nodes and user profiles, administer and backup data archives.  Configure special purpose operating environments, evaluate controls performance, and other specialized task needed for measuring and improvement of process controls.
  7. Provide complete off-hours call-duty support 24x7x365.

Job Duties II

Job duties displayed above are not all-inclusive, site-specific responsibilities may be assigned. 

 

Here are the incentives we offer:

• Remote Work options available for eligible positions
• Options are department and/or location specific
• 9/80 Work Schedule Option (where applicable)
• Annual Vacation Incentive (40-120 hours of additional pay) for Eligible Employees
• Paid Vacation Time
• Company-Paid Holidays
• Caregiver Leave
• Excellent 401(k) Match
• Pension Plan
• Company-Paid Sick Leave and Long-Term Disability
• Medical, Dental, & Vision Plans; FSA and HSA options
• Company-Paid Life Insurance for Active Employees
• Healthy Rewards Program
• Service Awards Program
• Educational Assistance Plan
• Dependent Children Scholarships
• Reimbursement for Gym Membership
• Employee Discount Programs
• On-site Health Clinic (select locations)
• On-site Cafeteria (select locations)
• On-site Credit Union and ATM (Corporate office only)
• On-site Fitness Center (select locations)


PLEASE NOTE ALL JOBS DO NOT QUALIFY FOR ALL PERKS

 

All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, or disability.

Requisition ID - 1663 


Nearest Major Market: Corpus Christi