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Senior Process Engineer

Clayton Services
Houston, TX Full Time
POSTED ON 12/8/2025 CLOSED ON 1/4/2026

What are the responsibilities and job description for the Senior Process Engineer position at Clayton Services?

Clayton Services is searching for a Senior Process Engineer to join a growing company in the Houston area. The Senior Process Engineer will be responsible for supporting process design, engineering studies, equipment specification, and providing technical expertise for large-scale projects. This role offers opportunities for career advancement, collaboration with cross-functional teams, and direct involvement in the design and operation of innovative energy systems.


Job Type: Direct Hire

Pay Rate: $150,000-$160,000/year plus bonus

Benefits: Medical, dental, vision, 401(k), PTO, and more.


Senior Process Engineer Responsibilities:


  • Develop and run process simulations in Aspen/HYSYS or similar software
  • Prepare heat and material balances, PFDs, and P&IDs
  • Perform equipment sizing, selection, and specification
  • Conduct engineering studies and prepare design packages
  • Collaborate with project managers to meet schedule commitments
  • Participate in client reviews, including process hazard and operability analyses
  • Provide technical support for detailed engineering, pre-commissioning, commissioning, and startup
  • Work with controls specialists to develop DCS narratives and logic diagrams
  • Analyze and resolve technical challenges to ensure safety, compliance, and reliability
  • Ensure quality checks and accurate documentation of data inputs
  • Other duties as assigned


Senior Process Engineer Skills and Abilities:


  • Strong knowledge of process engineering workflows and project delivery
  • Familiarity with biomass conversion, fluidized beds, carbon capture, fuels/methanation synthesis, and related technologies
  • Skilled in hydraulic analysis, control valve sizing, flare and relief valve calculations
  • Ability to work across teams and effectively communicate with clients and stakeholders
  • Strong problem-solving and decision-making skills with sound judgment
  • Outgoing, collaborative, and motivated to contribute to team success


Senior Process Engineer Education and Experience:


  • Bachelor's degree in Chemical Engineering required
  • 10 years of related process engineering experience
  • Expertise with AspenTech programs (Aspen Plus, HYSYS, or similar)
  • Experience with AutoCAD, Bluebeam, or similar drafting tools preferred
  • HAZOP, HAZID, and Project Management training is a plus
  • Background in EPC and systems engineering strongly preferred
  • Experience with plant operations and process controls is a plus


Senior Process Engineer - Immediate need. Apply today!

Salary : $150,000 - $160,000

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