About Halker:
Halker is a growing, Colorado-based engineering and consulting firm helping solve complex challenges across the energy industry. Named a 2026 Colorado Companies to Watch winner, we’re proud to be recognized not only for where we’re going, but for the team and culture we’ve built along the way.
At Halker, people are our business. Our engineers, designers, project professionals, and business teams work side by side on meaningful, technically challenging projects across oil & gas, power, and environmental markets. You’ll have the opportunity to work closely with experienced leaders, build your expertise, bring forward new ideas, and see the impact of your work.
We’re growing, and that creates opportunity for our clients, our business, and especially our people. If you want to do meaningful work, keep growing in your career, and have a real voice in what comes next, we’d like to meet you.
Essential Duties and Responsibilities:
- Produce project deliverables such as process flow diagrams, piping and instrument diagrams, material balances and process calculations, utility summaries and calculations, timelines and simulations, equipment lists, equipment data sheets and specifications, and instrument data sheets and specifications.
- Work with clients, contractors, project managers and engineering disciplines to ensure the project execution plan is effective, comprehensive, reasonable and obtainable
- Develop process simulation models for existing and proposed O&G facilities
- Size and specify equipment including PSV’s and instrumentation for existing and proposed O&G facilities
- Develop block flow diagrams, process flow diagrams, and piping & instrumentation diagrams
- Work with operations teams to troubleshoot existing operational issues
- Perform feasibility studies which include process design evaluation, cost estimating, and economic analysis
- Participate in PSM activities for facilities including maintaining facility drawings and resolving PHA action items
- Lead the process design for midstream facility and pipeline projects
- While reporting to and supporting the Process Engineering Director, provide technical leadership for process designs from the process engineering group including technical guidance and mentoring
- Work with clients, contractors, project managers and engineering disciplines to ensure the project execution plan is effective, comprehensive, reasonable and obtainable
- Assume leadership of a project team as lead engineer and coordinate the design aspects of the projects
- Maintain a high level of understanding of departmental design standards, applicable engineering codes and Halker’s guidelines and standards
Preferred Qualifications:
- Bachelor’s Degree in Chemical Engineering
- Minimum 5+ years of experience in Oil & Gas Process Engineering
- High proficiency in process simulation software (HYSYS, ProMax, VMGSim, etc.)
Compensation and Benefits:
- Expected base salary range: $120,000/year - $165,000/year. Compensation (i.e. Base Salary) is negotiable and shall be offered commensurate with experience.
- Medical, Dental, Vision, and other Health Benefits
- 401K Program with Company Match
Be Adaptable ~ Be Collaborative ~ Be Humbly Confident ~ Hustle ~ Take Ownership ~ Be Service Focused ~ Show Ingenuity
Similar Jobs
What you need to know about the San Francisco Tech Scene
Key Facts About San Francisco Tech
- Number of Tech Workers: 365,500; 13.9% of overall workforce (2024 CompTIA survey)
- Major Tech Employers: Google, Apple, Salesforce, Meta
- Key Industries: Artificial intelligence, cloud computing, fintech, consumer technology, software
- Funding Landscape: $50.5 billion in venture capital funding in 2024 (Pitchbook)
- Notable Investors: Sequoia Capital, Andreessen Horowitz, Bessemer Venture Partners, Greylock Partners, Khosla Ventures, Kleiner Perkins
- Research Centers and Universities: Stanford University; University of California, Berkeley; University of San Francisco; Santa Clara University; Ames Research Center; Center for AI Safety; California Institute for Regenerative Medicine


