Senior Process Engineer

Location: Englewood, CO (Denver Metro Area)
Employment Type: Contract-to-Hire

Overview

We are seeking a Senior Process Engineer to support our client's growing portfolio of projects in the Denver, CO area. In this role, you will provide high-level process engineering expertise across oil refining, pipeline, gas processing, and/or chemical industry projects. You will work under the guidance of a Lead Process Engineer while also mentoring junior team members and contributing to project leadership and execution.

This is an excellent opportunity for a seasoned engineer who thrives in a collaborative, multi-disciplinary environment and is passionate about delivering high-quality engineering solutions.

Key Responsibilities

• Deliver process engineering services in compliance with client, customer, and regulatory requirements—on time and within budget
• Initiate, manage, and (as needed) supervise process engineering activities across assigned projects
• Participate in project meetings, prepare progress reports, and follow established quality and checking procedures
• Ensure project scope clarity and manage changes in accordance with project change management processes
• Provide technical support during procurement, construction, and commissioning phases
• Define project requirements, assign tasks, and oversee progress, including promoting workshare where appropriate
• Identify and resolve discrepancies between client and customer requirements
• Communicate resource needs and planning requirements to the Process Engineering Manager
• Collaborate effectively with internal teams and external stakeholders, including clients
• Identify technical challenges, develop solutions, and escalate issues when necessary
• Provide mentorship and technical oversight to junior and mid-level engineers

Technical Responsibilities

• Develop, review, and approve key process engineering deliverables, including:
  • Process Flow Diagrams (PFDs)
  • Heat & Material Balances (HMBs)
  • Piping & Instrumentation Diagrams (P&IDs)
• Build and maintain process simulations using tools such as Aspen HYSYS, UniSim Design, or similar
• Perform:
  • Line sizing, velocity, and pressure drop calculations
  • Equipment sizing and specification (vessels, heat exchangers, pumps, compressors, control valves, PSVs)
• Conduct Pressure Safety Valve (PSV) analysis and sizing (Iprism experience preferred)
• Perform relief system and flare system analysis

Qualifications & Experience

• 10+ years of process engineering experience in oil & gas, refining, or chemical industries
• Proven experience leading process engineering efforts on multi-disciplinary projects
• Strong technical, analytical, and problem-solving skills
• Demonstrated ability to deliver accurate, high-quality work within deadlines
• Solid understanding of process engineering fundamentals and cross-discipline coordination
• Knowledge of applicable codes, standards, and regulatory requirements

Technical Skills

• Experience with process simulation and engineering software, including:
  • AspenTech (HYSYS, Flare System Analyzer, etc.)
  • Client UniSim
  • BRE ProMax
  • Hydraulic modeling tools
• Proficiency with Microsoft Office Suite
• Preferred experience:
  • OGLA (Oil & Gas Location Assessment)
  • Pipeline hydraulic analysis
  • Flow assurance

Education

• Bachelor's or Master's degree in Chemical Engineering or related field from an ABET-accredited institution

Preferred Credentials

• Professional Engineer (PE) license preferred
• Colorado and/or California PE license strongly preferred