ZipRecruiter

Log In

1

Refinery Process Jobs in Texas (NOW HIRING)

Motiva Enterprises

Process Engineer

Port Arthur, TX · On-site

Ensure refinery activities comply with environmental, safety, quality, and regulatory requirements ... Knowledge of process safety management principles, including hazard analysis, risk assessment ...

Motiva Enterprises

Process Engineer

Port Arthur, TX · On-site

Ensure refinery activities comply with environmental, safety, quality, and regulatory requirements ... Knowledge of process safety management principles, including hazard analysis, risk assessment ...

Motiva Enterprises

Process Engineer

Port Arthur, TX · On-site

Ensure refinery activities comply with environmental, safety, quality, and regulatory requirements ... Knowledge of process safety management principles, including hazard analysis, risk assessment ...

Mariana Minerals

Staff Process Engineer

Houston, TX · On-site

$140K - $175K/yr

You will help design, deploy, and operate first-of-its-kind refining processes for critical minerals. This role is highly hands-on and will play a key role in bridging R&D and plant operations ...

Optimized Process Designs

Senior Process Engineer

Katy, TX · On-site

$120 - $180/hr

The ideal candidate will have hands‑on experience with process simulation software, a strong background in refinery or gas processing facility design, and a passion for mentoring and collaborative ...

New

Delek US

Associate Process Engineer

Big Spring, TX · On-site

Our refineries in Texas, Arkansas, and Louisiana have a combined crude capacity of 302,000 barrels ... JOB SUMMARY The process engineer uses understanding of process fundamentals, process equipment ...

Cenovus

Process Safety Engineer

Houston, TX

The Process Safety Engineer supports refinery operations by identifying, assessing, and reducing process safety risks across multiple operating units. This role partners with operations, leadership ...

New

previous page

Showing results 41-60

All JobsRefinery Process JobsRefinery Process Jobs in Texas

Refinery Process information

What is a refinery process operator?

Refinery process operators are professionals responsible for controlling and monitoring the equipment and systems that convert raw crude oil into usable products like gasoline, diesel, and jet fuel. They manage the flow of materials, adjust temperatures and pressures, and ensure that operations run safely and efficiently. Operators also troubleshoot issues, perform routine maintenance, and follow strict safety protocols to prevent accidents and environmental hazards. Their work is critical to the smooth functioning of oil refineries and the production of energy products.

What are some common challenges faced by professionals working in refinery process roles, and how can they be addressed?

Professionals in refinery process roles often encounter challenges such as maintaining operational safety, troubleshooting complex equipment, and adapting to evolving environmental regulations. Managing process upsets while minimizing downtime requires strong analytical skills and close attention to detail. Effective communication and collaboration with maintenance, engineering, and safety teams are essential to quickly resolve issues and implement process improvements. Ongoing training and staying updated on best practices can help overcome these challenges and ensure safe, efficient refinery operations.

What are the key skills and qualifications needed to thrive as a refinery process operator?

To thrive as a Refinery Process Operator, you need a solid understanding of chemical processes, mechanical aptitude, and a relevant technical diploma or certificate. Familiarity with distributed control systems (DCS), safety protocols, and process monitoring tools is essential. Attention to detail, problem-solving skills, and effective communication help operators manage complex operations and respond to issues quickly. These abilities are crucial for ensuring safety, maintaining efficiency, and minimizing downtime in refinery operations.

What is the difference between Refinery Process vs Refinery Operator?

AspectRefinery ProcessRefinery Operator
CredentialsTechnical certifications, associate degrees in chemical or process engineeringOn-the-job training, technical certifications often preferred
Work EnvironmentDesign, planning, and supervision of refining operationsHands-on operation of equipment in refinery plants
Industry UsageInvolved in process design, optimization, and troubleshootingFocuses on operating and monitoring refinery machinery

Refinery Process roles typically involve designing and optimizing refining procedures, requiring technical knowledge and planning skills. Refinery Operators focus on the day-to-day operation and monitoring of equipment. Both roles are essential in the refining industry but differ in responsibilities and skill requirements.

What are popular job titles related to Refinery Process jobs in Texas? For Refinery Process jobs in Texas, the most frequently searched job titles are:
What job categories do people searching Refinery Process jobs in Texas look for? The top searched job categories for Refinery Process jobs in Texas are:
What cities in Texas are hiring for Refinery Process jobs? Cities in Texas with the most Refinery Process job openings:
Refinery Process jobs near you
Infographic showing various Refinery Process job openings in Texas as of August 2026, with employment types broken down into 1% As Needed, 78% Full Time, 16% Part Time, 4% Contract, and 1% Nights. Highlights an 92% Physical, 2% Hybrid, and 6% Remote job distribution.

Hydrometallurgical Process Engineer

Mariana Minerals

Houston, TX • On-site

$100K - $175K/yr

Full-time

This job post has expired today. Applications are no longer accepted.

Job description

About Mariana Minerals
Mariana Minerals is a software-first, vertically integrated minerals company on a mission to supply the critical minerals powering modern energy, AI, and defense technologies. We're reimagining the minerals supply chain by combining deep industry expertise with advanced software, automation, and data-driven decision-making.
The Role
Mariana Minerals is looking for a highly motivated Hydrometallurgical Process Engineer to work on building the critical minerals supply chain to support the world's energy transition.
As a Hydrometallurgical Process Engineer at Mariana Minerals, you will lead the development and deployment of first-of-its-kind chemical refining processes, while also supporting development of software for capital project execution and automated plant optimization. Responsibilities will include leading equipment scopes from concept through to design, installation, commissioning, ramp, and handover to the operations team.
What You'll Do
  • Lead hydrometallurgical process equipment scopes from concept development and modeling validation through procurement, detailed engineering, fabrication, installation, commissioning, and ramp-up
  • Manage external technology licensors, equipment vendors, and engineering partners to deliver fully integrated and performant hydrometallurgical refining systems
  • Develop detailed heat and material balances for complex hydrometallurgical process trains, including leaching, solution purification, solvent extraction/ion exchange, precipitation, crystallization, and residue handling
  • Build hydraulic models and process flow diagrams/P&IDs for hydrometallurgical circuits, ensuring operability, reliability, and safety
  • Create first-principles models of chemical reactors and unit operations (e.g., leach reactors, autoclaves, SX settlers, IX columns, precipitation reactors, filtration systems) to validate scale-up and derisk commercial designs
  • Identify, evaluate, and implement engineering solutions to optimize extraction, purification, and recovery processes under varying chemistry, feedstock qualities, and operating conditions
  • Collaborate deeply with R&D, lab staff, pilot-plant engineers, and operations teams to translate bench-scale insights into robust and scalable hydrometallurgical flowsheets
  • Work closely with software and machine-learning teams to automate process-engineering workflows and develop advanced control, optimization, and digital-twin models for hydrometallurgical reactors and plants
What You'll Bring
  • Strong understanding of engineering fundamentals and demonstrated ability to leverage the understanding to solve challenging problems
  • Strong foundation in chemical engineering, metallurgical engineering, or process engineering, with demonstrated ability to apply engineering fundamentals to complex hydrometallurgical systems
  • Experience with equipment engineering and design. Including but not limited to:
  • Brownfield modifications and upgrades of process equipment (e.g., leach tanks, reactors, filtration systems, solvent extraction circuits)
  • Greenfield design of hydrometallurgical unit operations and integrated circuits
  • Troubleshooting, evaluation, and optimization of operating hydrometallurgical or chemical-process equipment
  • Experience with the following industries and/or production environments:
  • Hydrometallurgical mineral processing or metal refining
  • Large-scale mining, critical-minerals processing, or battery-materials production
  • Industrial chemical manufacturing with complex aqueous/chemical reaction systems
  • Engineering, procurement, and construction (EPC/EPCM) firms supporting mining and mineral processing industry projects
Our culture is built on three principles:
Extreme Ownership - We take full responsibility for outcomes, relentlessly driving toward solutions.
Engineer Out Requirements, then Automate - We simplify, optimize, and then automate for scale.
Share Your Legos - We collaborate openly, share knowledge, and empower each other to build bigger, better solutions.
Join us as we build the future of responsible mineral sourcing and supply.

Apply