Mechanical Engineer 3 - Nuclear
About the job
- A Bachelor of Science degree in Mechanical Engineering, Nuclear Engineering, Chemical Engineering, or a related engineering discipline from an ABET-accredited engineering program is required.
- A minimum of four years of relevant engineering experience with an active Professional Engineer license, or six years of relevant engineering experience without a Professional Engineer license, is required.
- Experience supporting engineering design, analysis, modifications, or evaluations in industrial, energy, or nuclear environments is required.
- The candidate must demonstrate the ability to perform engineering work with increasing levels of independence and responsibility.
- Working knowledge of mechanical engineering principles and practices is required.
- The ability to perform engineering calculations and technical analyses is required.
- Familiarity with engineering codes, standards, and applicable regulatory requirements is required.
- Understanding of plant systems, equipment, and engineering processes is required.
- Strong analytical and problem-solving abilities are required.
- Effective verbal, written, and presentation communication skills are required.
- The ability to work independently and collaboratively within multidisciplinary teams is required.
- Strong organizational and time-management skills are required.
- Proficiency with Microsoft Office applications, including Word, Excel, and PowerPoint, is required.
- Experience with engineering software and technical analysis tools is required.
- The candidate must be able to obtain and maintain unescorted access to commercial nuclear power facilities.
- The candidate must be able to pass applicable security and drug screening requirements.
- The candidate must be able to travel to client sites and support periods of field and office work.
- The candidate must be able to perform plant walkdowns in industrial environments, including climbing ladders, accessing security-controlled areas, and entering confined or controlled-access areas.
- The candidate must be able to work overtime when required to support project and client needs.
- The candidate's ability to comply with U.S. export control laws will be considered during hiring.
- Perform engineering calculations, analyses, and evaluations related to nuclear plant mechanical systems and equipment.
- Develop engineering solutions supporting plant modifications, upgrades, and improvement projects.
- Prepare and review engineering calculations, design documents, specifications, reports, and technical evaluations.
- Apply engineering principles, codes, standards, and regulatory requirements in the development of engineering products.
- Support feasibility studies and engineering assessments related to plant systems and equipment.
- Evaluate plant equipment and system performance.
- Investigate equipment reliability concerns and operational issues.
- Develop solutions to improve plant safety, reliability, efficiency, and performance.
- Support system modifications and capital improvement projects.
- Plan and coordinate assigned engineering activities.
- Manage assigned tasks and deliverables to meet project schedules and budgets.
- Work on multiple projects simultaneously while maintaining high-quality engineering products.
- Support engineering reviews, project planning activities, and technical meetings.
- Work closely with multidisciplinary engineering teams.
- Participate in client meetings, design reviews, and technical discussions.
- Communicate technical information clearly to project stakeholders.
- Support presentation of engineering products to client review boards and technical review committees.
- Ensure compliance with applicable regulatory requirements, industry standards, and company procedures.
- Support quality assurance and quality control activities.
- Maintain awareness of applicable nuclear industry codes, standards, and best practices.
- Experience with Mathcad.
- Commercial nuclear power experience.
- Experience supporting plant modifications, power uprates, equipment replacements, or modernization projects.
- Experience with system engineering, equipment reliability programs, or engineering evaluations.
- Experience with mechanical system design and analysis.
- Experience with equipment qualification and evaluations.
- Experience with engineering calculations and technical reviews.
- Experience with design change packages and modification development.
- Experience with system performance and reliability assessments.
- An active Professional Engineer license.
- Participation in professional engineering organizations.
- Commitment to continued technical and professional development.
About the company
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
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Simplify's Take
What believers are saying
- NiSource awarded Zachry a 2025 EPC contract for a 2,600-megawatt Indiana project.
- Zachry Maintenance Services won 10-year Cheniere renewal on March 30, 2026.
- Chevron Phillips extended Zachry Maintenance Services five years on February 2, 2026.
What critics are saying
- Zachry's May 2024 Golden Pass bankruptcy exposed brutal project overruns and liquidity strain.
- July 30, 2026 Sabine Pass worker death triggered wrongful-death litigation against Zachry and Cheniere.
- Texas operations still carry labor and safety overhangs after 4,000-plus layoffs and WARN scrutiny.
What makes Zachry Group unique
- Zachry's 100-plus gas plants and 60,000-megawatt pedigree wins utility EPC work.
- Zachry's 2026 nuclear push, including Terrestrial Energy and new nuclear leaders, broadens optionality.
- Quanta joint venture on NiSource pairs Zachry engineering depth with stronger field execution.
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Benefits
Hybrid Work Options
Company News
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.
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.
BEAUMONT, Texas - Zachry Holdings has once again found itself facing scrutiny, after laying off 126 more people between Beaumont, Orange, Sabine Pass, and Baytown.
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.
Zachry Holdings faces lawsuit, accusation of violating federal law in mass layoffs at Golden Pass LNG.