Full-Time

Senior Process Engineer

Posted on 8/25/2025

Zachry Group

Zachry Group

5,001-10,000 employees

Turnkey engineering and construction services

No salary listed

Houston, TX, USA

In Person

Category
Process Engineering
Requirements
  • Bachelor’s Degree in Chemical Engineering
  • 10+ years of experience working as a Process Engineer within the Energy & Chemical Industries or Power Industries
  • Experience applying standard engineering techniques, procedures, and criteria to ensure compliance with safety and environmental regulations
  • Experience in PFD and P&ID development, and participation in HAZOP/LOPA studies
  • Proficient in H&MB development, equipment and instrumentation process specification and performing hydraulic analysis
  • Good Communication Skills (Active Listening, Verbal, and Written)
  • Ability to adapt to changing client requirements while defining a new path and remaining a positive role model for the team
  • Excellent Attention to Detail – in own work as well as demonstrated in checking work of others
  • Proven history of meeting schedule commitments and planning resources required
  • Judgment and Decision Making
  • Proficient with Process Engineering Software (AspenTech suite preferred)
  • Strong desire to learn
Responsibilities
  • Responsible for developing process flow diagrams (PFD) and piping & instrumentation diagrams (P&ID).
  • Responsible for sizing and rating various equipment like pumps, horizontal and vertical vessels, heat exchangers, and air coolers.
  • Responsible for performing hydraulic analysis and calculations for piping systems. Experience to include evaluating systems involving single phase, two phase, slurries, water hammer, slug flow, and distribution networks. Tools required should range from spreadsheet through rigorous software evaluations.
  • Knowledge of water chemistry application including treatment of raw water, demineralized water, and wastewater. Knowledge of cycle chemistry for condensate systems and cooling systems in Combined Cycle power plants.
  • Capable of supervising, coordinating, and reviewing work of a small staff of engineers to accomplish project objectives.
  • Mentors younger engineers, leading by example. Supports department development initiatives and standards creation/review/update.
  • Participate in various client Process Hazard Analysis reviews (i.e. risk review, HAZID, HAZOP/LOPA).
  • Responsible for design of relief system, flare header design, relief valve sizing and performing contingency analysis and flare header analysis.
  • Evaluates, selects, and applies standard engineering techniques, procedures, and criteria, using judgment in making adaptations and modifications.
  • Present technical information to peers (internal or external) for review and comment.
  • Analyze problems and take appropriate action to ensure continuous and reliable operation of equipment and systems.
  • Evaluate equipment and processes to ensure compliance with safety and environmental regulations.
  • Estimate resource requirements of new project proposals in support of business development.
  • Must maintain active status in a drug and/or alcohol testing consortium
  • Other duties, as assigned.
Desired Qualifications
  • Licensed Professional Engineer
  • Experience as a Process Engineer in the gas processing and/or refining industries
  • Experience in the Power Industry and Water Treatment Technologies
  • Experience in gas purification technologies such as Pressure Swing Adsorption, Membrane separation, or others
  • Experience with designing OSBL/Utility scopes required to support Licensor provided ISBL packages
  • Past exposure to environmental permitting and citing studies

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

N/A

Total Funding

N/A

Headquarters

San Antonio, Texas

Founded

1924

Simplify Jobs

Simplify's Take

What believers are saying

  • NiSource 2.6 GW combined cycle project joint venture with Quanta strengthens power sector positioning.
  • Over $16 billion active project portfolio across LNG, chemicals, and power sectors.
  • Emerged from Chapter 11 bankruptcy with reorganization plan court approval and operational continuity.

What critics are saying

  • McDermott and Chiyoda replaced Zachry on $16 billion Golden Pass LNG project permanently.
  • 4,410 post-bankruptcy layoffs and ongoing workforce reductions impair project execution capacity.
  • Federal WARN Act lawsuit over mass layoffs creates multimillion-dollar liability and client reputation damage.

What makes Zachry Group unique

  • Century-old EPC firm with 100+ gas-fired facilities and 60,000 MW design experience.
  • Strategic partnerships with Quanta Services and Mitsubishi Heavy Industries enhance execution capabilities.
  • Expanded into water infrastructure via Crescent Constructors acquisition September 2025.

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Benefits

Hybrid Work Options

Company News

Business Wire
Oct 30th, 2025
Zachry Group Awarded Engineering, Procurement, and Construction (EPC) Contract for NiSource's Combined Cycle Generation Project

Zachry Group awarded Engineering, Procurement, and Construction (EPC) contract for NiSource's Combined Cycle Generation Project. SAN ANTONIO-(BUSINESS WIRE)-Zachry Group (Zachry) has been awarded the Engineering, Procurement, and Construction (EPC) contract for NiSource Inc.'s Combined Cycle Generation Project, a major infrastructure project located near Wheatfield, Indiana. The facility will support NiSource's delivery of electricity to a third-party customer and includes two nominal 1,300-megawatt gas-fired combined cycle units in a 2 x 2 x 1 configuration. A subsidiary of NiSource Inc. will own and operate the facility. The EPC contract will be executed by a joint venture between Zachry Group and Quanta Services, Inc. (Quanta). Zachry will lead engineering, procurement, project management, construction planning, and commissioning, drawing on its five decades of experience designing and building over 100 gas-fired facilities totaling more than 60,000 megawatts. Quanta will contribute field-level leadership and craft workforce management through its operating companies. This collaborative approach is designed to enhance execution certainty, optimize labor resources, and deliver cost-effective, high-quality infrastructure. "We are honored to partner with NiSource Inc. on this landmark project that reflects our shared commitment to delivering reliable, efficient, and sustainable energy solutions," said John B. Zachry, Chairman and CEO of Zachry Group. "Working alongside Quanta, we're combining our complementary strengths to execute a project of this scale with precision and innovation. Together, we're proud to support the region's energy future." "NiSource is committed to advancing transformative growth while ensuring that customer affordability remains at the heart of our strategy," said Lloyd Yates, President and Chief Executive Officer of NiSource. "Through this collaboration with Zachry and Quanta, we are expanding generation and grid infrastructure in a way that supports economic development and innovation while protecting customers from the costs of infrastructure investment. We are excited to partner with Zachry and Quanta to meet the evolving energy needs of our customers and communities." "We're proud to collaborate with Zachry Group, a company that shares Quanta's commitment to safety, performance, and delivering results that matter," said Duke Austin, Quanta's President and Chief Executive Officer. "We have respected Zachry's capabilities for decades, and together, we look forward to delivering this critical infrastructure project for NiSource." About Zachry Group Zachry Group is North America's pacesetter in turnkey engineering, construction, maintenance, turnaround and fabrication services to the energy, chemicals, power, manufacturing and industrial sectors. We work with customers to plan, build, and renew their most critical facilities, so they can achieve their immediate and long-term goals, all at the highest safety standards. Since 1924, we have been a purpose-driven organization, united by a shared set of values and the desire to deliver the very best outcome for our customers. Visit www.zachrygroup.com for more information.

Hearst Communications
May 27th, 2025
How a 101-year-old San Antonio company began climbing out of bankruptcy

Shortly after the company pulled away from the natural gas project, the Zachry Holdings subsidiary (Zachry Industrial Inc.) laid off more than 4,000 workers.

12News
Jul 9th, 2024
Zachry Holdings lays off 126 more workers

BEAUMONT, Texas - Zachry Holdings has once again found itself facing scrutiny, after laying off 126 more people between Beaumont, Orange, Sabine Pass, and Baytown.

Natural Gas Intelligence
Jun 27th, 2024
Plaquemines Export Project Receives Feed Gas as Testing Continues - Three Things to Know About the LNG Market

As the lead contractor in charge of staffing construction activities, Zachry's financial issues and ongoing bankruptcy proceedings have prevented the remaining contractors from resuming large-scale construction.

12News
Jun 18th, 2024
Zachry Holdings faces lawsuit, accusation of violating federal law in mass layoffs at Golden Pass LNG

Zachry Holdings faces lawsuit, accusation of violating federal law in mass layoffs at Golden Pass LNG.

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