Bolt Up Fitter

Your Job

Bolt Up Fitter at Optimized Process Designs LLC

Jobsite located in Mt. Belvieu, TX
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Optimized Process Designs, LLC (OPD) is an engineering/construction company headquartered in Katy, TX with expertise in the natural gas, natural gas liquids, and petrochemical industries. OPD is part of the larger Koch Engineered Solutions (KES) organization, providing a variety of capabilities across many industries. Established in 1980, OPD has built a reputation for honesty, integrity, and the ability to successfully execute projects.

OPD offers construction services as well as engineering/procurement, giving clients a single‑stop shop that promotes efficiency and reduces interface issues. OPD’s industry experience, flexibility, and personal attention make it a preferred partner, and its tight, productive team atmosphere provides a great work environment.

• Tighten and loosen bolts on flange connections per ISO drawings and work plan.
• Assist with installation/removal of blinds as needed for pressure testing purposes.
• Possess skilled knowledge of pipe fittings, bolts, valves, etc. as required.
• Assemble and secure pipes, tubes, fittings, and related equipment according to specifications.
• Use impact wrenches, combination wrenches, and line up pins to install valves and piping spools.

• Actively participate in a strong safety culture.
• Recognize safety hazards and risks.
• Participate in onsite safety meetings.
• Follow OPD and client safety policies and procedures.
• Treat the job site daily with punctuality and readiness.
• Display a positive attitude and work well in a team environment.
• Maintain high attention to detail to avoid rework and errors.

• Capable of working in outdoor weather conditions, including cold and hot weather.
• Lifting and carrying awkward objects up to 60 pounds.
• Standing for extended periods of time, up to 12 hours per day.
• Moving the entire body with considerable use of arms, legs, climbing, lifting, balancing, walking, stooping, crawling, twisting, reaching, and bending on a regular basis.
• Operating on elevated platforms and maintaining balance when stepping on narrow platforms such as beams and pipes.
• Performing tasks while wearing an approved full‑body harness and lanyard.
• Using hands to handle, control, and feel objects and/or tools.

• At least 1.5 years of experience as a helper, bolt‑up fitter, or boilermaker.

• Willing and able to work shifts up to 12 hours per day and 7 days per week.
• Willing and able to meet all physical demands of the job.
• Willing to attend mandatory safety meetings.
• Must be a safety role model.

• Previous experience in a gas plant construction environment or manufacturing environment.
• 3 years of experience as a bolt‑up fitter.
• Able to communicate in English.

Our goal is for each employee and their families to live fulfilling and healthy lives. We provide essential resources and support to build and maintain physical, financial, and emotional strength, focusing on overall wellbeing. Benefits include medical, dental, vision, flexible spending and health savings accounts, life insurance, AD&D, disability, retirement, paid vacation/time off, educational assistance, infertility assistance, paid parental leave, adoption assistance, and more, subject to eligibility criteria and regional variations.

Equal Opportunity Employer, including disability and protected veteran status. Except where prohibited by state law, some offers of employment are conditioned upon successfully passing a drug test. This employer uses E-Verify. Please  for additional information. (For Illinois E‑Verify information , aquí, or tu).

Entry level

Full‑time

Management and Manufacturing

Human Resources Services