Sr. Process Engineer

Sr. Process Engineer

The Sr. Process Engineer is responsible for designing, optimizing, implementing, and improving manufacturing processes to enhance efficiency, productivity, and quality within an organization. This role involves conducting in depth analysis, designing process improvements, implementing changes, and providing technical support to the production team. The Sr. Process Engineer will collaborate with a multidisciplinary team including other engineers, engineering coordinators, engineering specialists, designers, and project managers to deliver innovative solutions and meet project objectives.

• Lead process engineering design and analysis for industrial projects, ensuring compliance with industry standards and regulations.
• Develop and review P&IDs, PFDs, mass & energy balances, and process flow diagrams.
• Conduct process simulations, heat & material balances, and hydraulic calculations.
• Specify and size process equipment such as heat exchangers, pumps, reactors, and separators.
• Perform technical evaluations of equipment and instrumentation selections.
• Define project goals, scopes, allocate resources, and set timelines to ensure successful implementation of process enhancements, and requirements.
• Collaborate with other disciplines, including mechanical, electrical, and civil engineers, to ensure integrated design solutions.
• Support clients with troubleshooting, plant modifications, and operational improvements.
• Mentor junior engineers and contribute to knowledge-sharing within the organization.
• Participate in client meetings, site visits, and field support activities as needed.

• Bachelor's degree in chemical or process engineering or a related field. A Professional Engineer (PE) license in Engineering is preferred.
• Ten plus (10+) years of experience in process engineering, preferably in a project-based environment.
• Strong understanding of process design, thermodynamics, and fluid mechanics.
• Proficiency in process simulation tools such as Aspen HYSYS, Aspen Plus, or similar software.
• Familiarity with industry codes and standards (ASME, API, NFPA, OSHA, etc.).
• Excellent problem-solving skills and ability to work in a team-oriented environment.
• Strong communication and project management skills.
• Continuous learning mindset with a passion for staying updated with emerging trends and technologies in chemical/process engineering.

Founded in 1987, Sigma is a professional multi-discipline engineering and design company that serves the petrochemical, fertilizer, and refining industries. Privately owned and operated by Engineers, Sigma's culture empowers employees and clients to choose relationships and projects that fit our values and ultimately act as an extension of our clients. Our technical resources provide unmatched quality in multi-discipline engineering and design, in-plant services, supplier quality inspections, field services, automation, procurement and expediting, construction management, and leadership training.

To learn more about us, visit

"We are an equal opportunity employer, and all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity or expression, pregnancy, age, national origin, disability status, genetic information, protected veteran status, or any other characteristic protected by law."

• Ability to pass pre-employment drug/alcohol screening.
• Ability to pass background screening.
• Must be authorized to work in the United States.