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Zachry Group

Turnkey engineering and construction services

Senior Process Engineer

Design EngineeringConfirmed live in the last 24 hours
Full-timeHouston, TX, USANo salary listed

About the Job

Requirements

  • A bachelor's degree in Chemical or Mechanical Engineering and 15 or more years of experience as a Process or Mechanical Engineer in industries such as oil refining, gas processing, power, or chemical industries.
  • At least 7 years of experience in power, refining or gas processing, petrochemical, or similar PSM-regulated industries.
  • At least 5 years of experience working as a Process or Mechanical Engineer in an engineering firm.
  • Comprehensive understanding of processes typically seen in power and process plants.
  • Some travel (under 25% expected), including client-site visits and walkdowns in industrial environments; full compliance with site safety requirements and Zachry and client safety policies is essential.
  • Experience applying standard engineering techniques, procedures, and design criteria to ensure systems are properly designed, accurately documented, and compliant with safety and environmental regulations.
  • Experience developing process flow diagrams, piping and instrumentation diagrams, and equipment datasheets.
  • Proficiency developing heat and mass balances, specifying process equipment and instrumentation, and performing hydraulic analyses. A strong background developing heat and mass balances for combined-cycle projects is preferred.
  • Knowledge of performance guarantees, including emissions compliance.
  • Experience specifying fixed and rotating equipment, including steam turbine generators, combustion turbine generators, and heat recovery steam generators.
  • Strong knowledge of ASME and API 520/521, with proficiency designing relief devices and associated collection headers.
  • Attention to detail in one's own work and when checking others' work.
  • A proven history of meeting schedule commitments and planning required resources.
  • Proficiency with process-modeling software; AspenTech suite experience is preferred.
  • Maintain active status in a drug and/or alcohol testing consortium.

Responsibilities

  • Develop process flow diagrams, piping and instrumentation diagrams, and process/mechanical equipment datasheets.
  • Develop heat and mass balances.
  • Size and rate equipment such as pumps, horizontal and vertical vessels, heat exchangers, and air coolers.
  • Perform hydraulic analyses and calculations for piping systems, including single-phase, two-phase, slurry, water-hammer, slug-flow, and distribution-network systems, using tools ranging from spreadsheets to rigorous software evaluations.
  • Translate project design-basis requirements, client specifications, and contract documents into definable process tasks.
  • Support the Zachry quality program by ensuring proper quality checks and verifying documentation of input data.
  • Engineer and design the process-engineering scope of assigned projects, independently evaluating, selecting, and applying standard engineering techniques, procedures, and criteria.
  • Support projects as an individual contributor and, as needed, supervise, coordinate, and review the work of a small team of engineers to achieve project or department objectives.
  • Participate in client Process Hazard Analysis reviews, such as risk reviews, HAZID, and HAZOP/LOPA.
  • Design relief systems, including contingency analyses, relief-valve sizing, flare-header design, and flare-header analysis.
  • Present technical information to peers and/or clients for review and comment.
  • Analyze problems and take appropriate action to ensure continuous and reliable operation of equipment and systems.
  • Evaluate equipment and processes for compliance with safety and environmental regulations.
  • Coordinate with the offshore High Value Engineering Center for engineering execution.
  • Perform other duties as assigned.

Desired Qualifications

  • Licensed Professional Engineer.
  • Experience using the Thermoflow suite of software tools to develop heat and mass balances and total installed cost estimates.
  • Experience using Aspen HYSYS products, AFT, Fathom, Arrow, Impulse, Korf, HTRI, Flarenet, and iPRSM.
  • Knowledge of and/or experience in the EPC power business.
  • Experience designing OSBL/utility scopes to support licensor packages and converting PDP.
  • Past exposure to environmental permitting and citing studies.
  • Active membership in professional organizations or committees.
  • Strong background developing heat and mass balances for combined-cycle projects.
  • Experience with the AspenTech suite of process-modeling software.

About the Company

Zachry Group

Turnkey engineering and construction services

Zachry Group provides turnkey engineering, construction, maintenance, turnaround and fabrication services for the energy, chemicals, power, manufacturing and industrial sectors in North America. It covers the full project lifecycle by helping customers plan, build and renew critical facilities, often as a single‑point provider responsible for the entire scope. The company executes projects through engineering, procurement, fabrication and on-site construction with a strong emphasis on safety and reliable delivery. What sets Zachry Group apart is its long history (since 1924), a purpose‑driven culture and a consistent focus on safety, quality and meeting customers’ immediate and long-term goals across diverse sectors. Its goal is to help clients achieve their objectives by delivering the best possible outcomes while maintaining high safety standards.

Company size
5,001-10,000
Company stage
Not listed
Total funding
Not listed
Headquarters
San Antonio, TX
Founded
1924

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