Principal Mechanical Engineer- Materials Handling Group

Worley; Monrovia (CA); On-site; USD 146,000 - 215,000; Full time

Benefits offered by this job

PTO

401k

Medical

Job summary

Worley is seeking a Principal Mechanical Engineer for its Monrovia or Long Beach offices in California. You will lead the Materials Handling Engineering Group, guiding multidisciplinary project execution and delivering high-quality outcomes.

Bring 8+ years in petrochemical/refining, expertise with rotating equipment, API standards, and strong English communication. On-site work with potential vendor interfaces and travel as needed.

Qualifications

• Excellent written and verbal communication skills in English.
• 15+ years in petrochemical and refining with project design, execution, construction (preferred).
• Strong leadership and mentoring capabilities across multidisciplinary teams.

Responsibilities

• Lead project execution and discipline deliverables across multidisciplinary projects.
• Develop/check specifications, data sheets, technical bids, and purchase orders.
• Coordinate with Project Management and customers regularly.
• Interface with vendors to resolve technical queries on compressors and pumps equipment.
• Maintain quality deliverables throughout equipment procurement.
• Support work share activities with overseas offices on rotating equipment deliverables.
• Develop/support hour estimation, TIC estimates, and resource loading for rotating engineering scope.
• May fill in as Mechanical lead as required.

Skills

English communication

Team leadership

Project coordination

Mentoring

Education

BS/MS in Mechanical Engineering

Job description

About Us

Worley is a global company of energy, chemicals and resources experts headquartered in Australia. We partner with our customers to deliver projects and create value across the life of their assets. We specialize in consulting, engineering, procurement and construction across the project lifecycle, with services extending through to operations and decommissioning. Leveraging extensive experience and AI-enabled delivery, we support customers in navigating complexity as they meet today's needs and transition to more sustainable solutions.

About Us

Worley is a global company of energy, chemicals and resources experts headquartered in Australia. We partner with our customers to deliver projects and create value across the life of their assets. We specialize in consulting, engineering, procurement and construction across the project lifecycle, with services extending through to operations and decommissioning. Leveraging extensive experience and AI-enabled delivery, we support customers in navigating complexity as they meet today's needs and transition to more sustainable solutions.

Principal Mechanical Engineer

Worley Group

Long Beach or Monrovia, California

Purpose

Join Worley’s Monrovia or Long Beach office as a Principal Process Engineer within the Materials Handling Engineering Group, where you’ll provide technical and leadership excellence across multidisciplinary projects. In this role, you’ll lead project execution and discipline deliverables, ensuring alignment with company and client procedures while driving continuous improvement in work processes. You’ll develop innovative technical solutions to complex engineering challenges, oversee and mentor a team of engineers, and support the successful delivery of safe, efficient, and high-quality project outcomes.

Responsibilities

• The candidate will work within a team framework of other disciplines and will understand the broad organizational implications of the work being performed.
• Will be updating schedules and progress reports.
• May be asked to generate budgets for new work.
• Will be interfacing with Project Management and the Customers regularly.
• Will be required to develop/check specifications, data sheets, technical bids, purchase orders, resolve technical queries from vendors on various Compressor and Pump equipment, able to coordinate project requirements with other disciplines, project staff and clients.
• Will be required to maintain quality deliverables throughout the procurement of the equipment.
• Will be required to support work share activities with overseas offices on Rotating Equipment deliverables.
• Will be required to develop/support hour estimation, TIC estimates, deliverable requirements and personnel loading for the Rotating Engineering scope of the project.
• Able to support or fill in for the Mechanical lead as requested.

What You Will Bring

Technical/Industry Experience and Qualifications Requirements:

• Thorough knowledge of applicable theories, practices, and accepted office procedures.
• Typically, there is a minimum of 8 years of Materials Handling Engineering experience in Petroleum-Chemical and/or Mining Industries.
• 5 years in other Mechanical equipment or packaged equipment.
• Excellent written and verbal communication skills in English.
• Emphasis on reciprocating compressor experience, with working knowledge of API 617, 614, 670 and 671.

Preferred Qualifications

• Knowledge of API, ANSI, NEMA, ASTM specifications.

Additional Information

• Positions located is in Monrovia or Long Beach, CA, Worley office location.
• May be required to travel to the vendors facilities.
• Salary Range $146,187-$214,980 commensurate with experience and level of position.
• Benefits: Eligible for PTO, 401k, medical, vision, dental, etc.

Education – Qualifications, Accreditation, Training:

• BS or MS in Mechanical Engineering or equivalent.

Preferred

• At least 15 years in petrochemical and refining with project design, execution, construction.
• On-site and/or in-refinery experience.
• Oil and Gas experience.
• Additional experience in the Power industry, Carbon Capture, or Arctic environment is valued.

Los Angeles

We will consider for employment all qualified Applicants, including those with Criminal Histories, in a manner consistent with the requirements of applicable state and local laws, including the City of Los Angeles' Fair Chance Initiative for Hiring Ordinance.”

Moving forward together

We want our people to be energized and empowered to drive sustainable impact. So, our focus is on a values-inspired culture that unlocks brilliance through belonging, connection and innovation. We're building a diverse, inclusive and respectful workplace. Creating a space where everyone feels they belong, can be themselves, and are heard.

And we're not just talking about it; we're doing it. We're reskilling our people, leveraging transferable skills, and supporting the transition of our workforce to become experts in today's low carbon energy infrastructure and technology. Whatever your ambition, there's a path for you here.

And there's no barrier to your potential career success. Join us to broaden your horizons, explore diverse opportunities, and be part of delivering sustainable change.