Senior Process Engineer

Roeslein & Associates

Roeslein & Associates is a global leader in engineering, manufacturing, and construction services, specializing in modular, pre‑fabricated solutions for the energy, beverage, and industrial sectors. With a focus on safety, innovation, and sustainability, Roeslein delivers turnkey project execution from concept to commissioning. Our team is driven by a commitment to quality and client success, operating across North America, South America, Europe, and Asia.

Learn more at Roeslein & Associates – Global EPC Services & Solutions.

The Senior Process Engineer will lead the process engineering effort on EPFC (engineer, procure, fabricate, construct) projects and provide guidance to less experienced process engineers. Work spans multiple sectors, including Oil & Gas, Refineries, Pharma, and Alternative Energy. Responsibilities include developing Process Flow Diagrams (PFDs), Material Balances, Process & Instrumentation Diagrams (P&IDs), process simulations, equipment datasheets, and calculations to support projects.

• Develop process simulations and new models for complex projects
• Develop material and energy balances for complex projects
• Lead development of process flow diagrams (PFDs) and process & instrumentation diagrams (P&IDs)
• Manage process requirements for equipment selection
• Act as subject matter expert in Hazard and Operability Studies (HAZOPs)
• Manage project permitting with clients
• Coordinate and lead shop inspections, field commissioning, and project startup; manage technology selection or develop new technology as needed
• Coordinate proposal development for new projects
• Lead improvements in work processes
• Develop subject matter expertise in key areas
• Participate in internal and external project meetings

• Mentor and lead other process engineering team members
• Conduct all activities in a safe and healthy manner in accordance with company requirements
• Promote a positive working environment to achieve organizational goals
• Travel domestically and internationally, ranging from 10-25% per year
• Perform other duties as assigned

Work is performed in an office and uncontrolled atmosphere. Short‑term exposure to dust, fumes, chemicals, hazardous materials, noise, and varying weather and temperatures is possible. Must be able to travel domestically and internationally. All employees are required to follow safety standards and wear personal protective equipment in designated areas.

Employee must be able to walk, stand, use hands/fingers, grip, handle or feel, reach with hands and arms, climb, balance, stoop, kneel, crouch, crawl, talk, and hear. Ability to lift and carry 25 lbs. regularly is required.

• Excellent oral and written communication skills
• Strong analytical and problem‑solving skills
• Process simulation development experience
• Knowledge of PFDs and P&IDs
• Experience leading project development
• Proficiency with Microsoft Windows‑based programs
• Ability to work flexible hours and occasional weekends
• Valid driver’s license and acceptable motor vehicle record
• Must be at least 21 years of age

• Bachelor’s degree in Chemical Engineering from an accredited university
• 8–15 years of process engineering experience
• EIT registration or desire to obtain Professional Certification
• Experience with Management of Change (MOC)
• Experience evaluating new technology
• Experience developing small teams
• Strong process, mechanical, and electrical aptitude with hands‑on experience

• Effective time management skills across multiple projects, personal conduct, and change management abilities
• Ability to interact effectively with co‑workers, clients, vendors, and other business contacts
• Compliance with Roeslein & Associates’ core values for safe and efficient operations

Roeslein invests in its team members’ success and well‑being. Full‑time employees are eligible for competitive wages, bonus programs, paid time off, personal and recovery days, travel bonuses, and paid holidays. Retirement benefits include a 401(k) with company match and an ESOP (Employee Stock Ownership Program). Additional benefits include medical, dental, and vision coverage, short‑ and long‑term disability insurance, life and travel insurance, and paid parental leave.

Tuition reimbursement and continuing education opportunities are also available.

Roeslein & Associates is an Equal Opportunity Employer.

The job description does not necessarily contain all of the actual or essential duties of this position. All job offers are contingent upon passing a drug screen and criminal background check.