Process Controls Engineer

Who We Are

Hargrove supplies unparalleled services in engineering, procurement, construction management, and technical services in the industrial, commercial, and government sectors. With over 2,700 teammates in 19 offices domestically and internationally, we build long‑term support relationships in the energy generation, manufacturing, research and development, and process‑heavy industry in on‑site support arrangements, in plant‑level small projects and consulting roles, and in larger capital projects.

As the Process Controls Engineer you will design, maintain, support, and improve site process automation systems. This position will serve as a key technical resource to lead and support plant optimization efforts regarding capacity, cost, quality, and environmental improvements utilizing process control techniques. The primary focus of this role will be system administrator for the process control network with emphasis on identifying and implementing process improvements for DCS and PLC‑based systems and troubleshooting cyber threats.

You will manage the physical processes and equipment in an industrial setting in Okmulgee, OK.

Work‑life balance and flexibility are important areas of focus for Hargrove. We’re happy to discuss flexible working hours, patterns, and locations to suit you and the business.

• Design and develop industrial control system solutions including Distributed Control System, Programmable Logic Controller, and Human Machine Interface programs to address operational needs for new construction projects, maintenance projects or operational requests.
• Implement software updates, patches, and manage network data and files.
• Create, manage, test and archive backups and disaster recovery files for critical systems and networks.
• Monitor KPIs for PCN and initiate corrective actions as necessary.
• Ensure seamless data flow and connectivity between enterprise business systems and industrial production systems.
• Work with plant management, engineers, maintenance and contractors and provide expert guidance, leadership and assistance to facility Control System Specialists on upgrade projects, troubleshooting, etc. Communicate and maintain proper documentation related to the DCS system status, changes, and coordinate and conduct personnel training for such related items as necessary.
• Provide technical support for process safety efforts, such as Process Hazard Assessment and Management of Change.
• Investigate new technology and methods to improve cybersecurity and system performance as it relates to automation.
• Provide automation solution estimates to project managers, facility engineers, and others.
• Provide support to capital projects, including expansion, regulatory and modification projects, working as SME for Process Control Network.
• Support control system and safety instrumented system, programmable logic controller maintenance and test planning, software upgrades, emergency shutdown testing, offline and online testing, and coordination of activities with or without plant shutdowns.
• Expertise on control system networking and industrial instrumentation devices.
• Understanding of networking protocols.
• Hands‑on experience with monitoring, network diagnostic and network analytics tools.

Engineering Degree in Electrical or Chemical from an ABET accredited college or university highly preferred.

Requires 1+ years of relevant industrial experience in chemical, petroleum, or biochemical process design engineering.

• Experience designing, commissioning and maintaining DCS‑based control systems in a 24/7 manufacturing facility.
• Experience supporting/maintaining industrial automation network.
• Experience with firewalls, DMVPN remote implementation, troubleshooting and problem resolution.
• Familiarity with network monitoring and management tools.
• Ability to work independently and as part of a team to meet deadlines and provide a high level of service.
• Demonstrated ability to analyze complex data, draw conclusions and develop and execute problem solutions.
• Understanding of ICSS architecture and environment…