20 principal process engineer jobs at 15 companies in Liberty, TX
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Principal Process Engineer
Clear Lake, Texas, United States
OnsiteFull Time
7+ YOEMaster's in Chemical Engineering with 7+ years (or Bachelor's with 10+ years) owner-operator experience; proficiency with Aspen Plus, SAP, Microsoft Office; expertise in process design, PFD/P&ID development, HAZOP/PSM, and multiple chemical engineering sub-disciplines.
SAP, Internet, Email, Microsoft Office, Aspen Plus
3w
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Principal Engineer, Manufacturing Process Technology
Moncks Corner or Charleston or Orange or Houston
OnsiteFull Time
10+ YOE10+ years in manufacturing or process technology; degree in chemical/mechanical engineering or polymer chemistry; polymerization and high-pressure autoclave experience; process safety and team leadership skills.
6d
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Materials & Process Principal Engineer
Houston, Texas, United States
$165k-$230k/yr OnsiteFull Time
15+ YOEBachelor's degree in engineering, math, or materials science; 15+ years in materials and process engineering; spaceflight materials, NASA standards, metallurgy, additive manufacturing, and engineering drawing review experience.
NASA standards
3w
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Principal Engineer, Manufacturing Process Technology
Moncks Corner or Charleston or Orange or Houston
OnsiteFull Time
10+ YOEBachelor's in engineering or polymer chemistry, 10+ years manufacturing/process technology experience, polymerization/autoclave knowledge, process safety stewardship, technical leadership, troubleshooting, and strong communication.
1mo
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Principal Process Automation & Controls Engineer
Houston or Denver or Edmonton or Calgary
HybridFull Time
10+ YOEBachelor's in engineering, 10+ years leading control systems projects and teams, PLC/DCS programming (Rockwell, Honeywell, Triconex), full lifecycle automation experience, CHAZOP/HAZOP/LOPA and TIC estimating (Cleopatra preferred), travel 25–50%.
PLC, DCS, Rockwell, Honeywell, Triconex, Cleopatra
1mo
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Principal Process Automation & Controls Engineer
Houston or Denver or Calgary or Edmonton
HybridFull Time
10+ YOEBachelor's in engineering, 10+ years leading control systems projects, PLC/DCS programming (Rockwell, Honeywell, Triconex preferred), full lifecycle automation experience, TIC estimation (Cleopatra preferred), commissioning and field support, strong communication and team leadership.
Rockwell, Honeywell, Triconex, Cleopatra, PLC, DCS, SIS
1w
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Principal Facilities Engineer
Houston, Texas, United States
$110k-$145k/yr HybridFull Time
5+ YOEB.S. in Chemical Engineering or equivalent, 5+ years in natural gas processing/RNG, proficiency with PFDs/P&IDs, process safety participation (PHAs/MOC), and experience with gas processing equipment; PE licensure desirable.
Aspen HYSYS, ProMax, PFD, P&ID
1w
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Sr Principal Technical Support Engineer (Advanced Process Control Experience)
Houston, Texas, United States
OnsiteFull Time
5+ YOERequires a bachelor's or master's degree in engineering, 5+ years of process-industry experience, advanced process control expertise, industrial systems knowledge, strong communication skills, and willingness to travel up to 25%.
Aspen DMC3, Aspen GDOT, CRM, DCS, PID, OPC DA, OPC UA, MES
1w
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Principal Chemical Engineer
Des Plaines or Houston
$162k-$190k/yr HybridFull Time
10+ YOEBachelor's in Chemical or Mechanical Engineering,10+ years in gas processing/gas treating/hydrogen technologies,5+ years customer-facing experience,proficiency with Microsoft Office,25% travel,US Person required.
Separex, LNG treating, Gas Processing, Russell, MolSiv, Benfield, Carbon Capture, Ortloff, PSA, Microsoft Office Suite, Microsoft Excel, Microsoft Word
1mo
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Services Principal Consultant
Houston or United States
$124k-$207k/yr HybridFull Time
5+ YOEAdvanced process simulation and optimization experience for refining/petrochemical/upstream; Master's degree in chemical engineering (minimum) with 3+ years and 5+ years' experience in online optimization implementation; proficiency in Python, MATLAB, or TCL; APO/APS/ROMeo familiarity; MPC and open-equation modeling experience; strong communication...
APO, APS, ROMeo, Python, MATLAB, TCL, Model Predictive Control (MPC)
2mo
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Principal Associate, Process Manager - Client Engagement & Issue Resolution
Houston or Richmond or McLean or Chicago
$99k-$124k/yr OnsiteFull Time
3+ YOERequires a high school diploma or equivalent, 3+ years in project, process, or process engineering management, complaint resolution or risk mitigation, and 2+ years in payments; data analysis experience required.
ServiceNow, Governance, Risk, and Compliance (GRC), Google Gemini
2mo
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Sr. Principal - Engineer - Automation (Small Molecule)
Houston, Texas, United States
$66k-$172k/yr OnsiteFull Time
5+ YOEBachelors in engineering, 5+ years process automation experience (DeltaV preferred), 5+ years API/drug substance manufacturing preferred, experience with MES/system integration, batch control, instrumentation, data historians, and computer system validation; authorized to work in the U.S.
DeltaV, MES
2mo
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Principal Associate, Process Manager - Client Engagement & Issue Resolution
Houston or McLean or Richmond or Chicago
$99k-$113k/yr OnsiteFull Time
3+ YOEHigh school diploma/GED; 3+ years in project/process management or engineering with data analysis; 3+ years in complaint resolution/remediation; 2+ years payments experience; experience with ServiceNow/GRC, AI automation, data analysis, stakeholder management, and process documentation.
ServiceNow, GRC, Google Gemini
2mo
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Principal LNG Growth & Advisory Lead
Houston, Texas, United States
HybridFull Time
10+ YOEBachelor’s in engineering; 10+ years LNG experience; Gulf Coast LNG projects; strong network; LNG process knowledge; travel; English; preferred licenses.
2mo
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Principal Consultant - Ammonia & Derivatives
Leatherhead or Houston or Abu Dhabi or Singapore
HybridFull Time
Degree in chemical/process engineering, substantial consultancy or industry experience in ammonia/derivatives, experience with feasibility/Pre‑FEED/FEED and technical due diligence; strong communication and commercial awareness.
Hysys, Unism, Aspen Plus, Microsoft Word, Microsoft PowerPoint
1mo
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Principal - Business Consulting
Houston or Texas or United States
$154k-$193k/yr OnsiteFull Time
10+ YOEDeep Celonis and OCPM expertise, data engineering and ETL experience, advanced SQL/PQL, API/integration experience, 10+ years process mining or analytics consulting, strong consulting and stakeholder skills; US work authorization required.
Celonis, Celonis Execution Management System (EMS), PQL, SQL, ETL, API, SAP, Oracle, CRM, Action Flows
1mo
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Principal Scientist- Mining
The Woodlands, Texas, United States
OnsiteFull Time
5+ YOEMS in engineering/chemistry/metallurgy/mineral processing with 10+ years lab experience, or PhD with 5+ years; expertise in surface chemistry/hydrometallurgy, experimental design, instrumentation, data analysis, safety, and mine-site trials (20–30%).
3mo
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Principal Environmental, Health, and Safety Consultant
Houston or Baton Rouge
HybridFull Time
10+ YOEBachelor's in engineering required, 10+ years consulting or industrial experience in process safety, PSM/HAZOP/LOPA expertise, staff mentorship and business development experience, valid U.S. driver\u0002s license, up to 30% travel.
Microsoft Office