Senior Mechanical Project Engineer - Design Build

Senior Mechanical Project Engineer - Design Build

Join to apply for the Senior Mechanical Project Engineer - Design Build role at Jacobs

Base pay range: $/yr - $/yr

At Jacobs, we're challenging today to reinvent tomorrow by solving the world's most critical problems for thriving cities, resilient environments, mission‑critical outcomes, operational advancement, scientific discovery and cutting‑edge manufacturing, turning abstract ideas into realities that transform the world for good.

At Jacobs, we’re making our world better with every water and wastewater project we complete, and we know the importance of quality assurance to the success of these projects. We’re looking for a skilled Project Engineer to manage and supervise subcontract and material resources in relation to construction / installation for a complex water / wastewater facility project. Based in Los Angeles, CA, you’ll work with Resident and Project Engineers to ensure technical documentation is up to date, including submittals, RFIs, design changes, and record documents.

• Ensure quality levels are met at trades level
• Monitor and supervise health and safety including active participation in toolbox talks
• Manage the receipt, storage and handling of process equipment
• Support project plan implementation for quality, change management, and safety.

• Bachelor of Science in an applicable field with a minimum of 3 years of specific construction project experience
• Experience in the delivery of municipal water, wastewater, water resources and/or conveyance type work
• Working knowledge of construction, building systems/components and technology, contract management, project delivery methods, team building and client relationship building
• Willingness to travel to other sites as needed (up 30% of the time)
• Physical and environmental demands include standing, walking, sitting, coordination, balance and agility; ability to climb, stoop, kneel, squat, grasp, reach, perform repetitive hand movements. May require dexterity, grip strength, climbing and cardiorespiratory endurance. Work areas may be indoor, outdoor, have loud noise, active machinery that includes high pressure fluid systems, electrical equipment, some defined confined spaces, heights and depths, fumes, airborne particles, noxious gases, and chemicals typical in the water and wastewater design‑build industry.

Our health and welfare benefits are designed to invest in you, and in the things you care about. Your health. Your well‑being. Your security. Your future. Employees have access to medical, dental, vision, and basic life insurance, a 401(k) plan, and the ability to purchase company stock at a discount. Eligible employees may also enroll in a deferred compensation plan or the Executive Deferral Plan.

Jacobs has an unlimited U.S. Personalized Paid Time Off (PPTO) policy for full‑time salaried/exempt employees, seven paid holidays, one floating holiday, and caregiver leave. And certain roles may be eligible for additional rewards, including merit increases, performance discretionary bonus, and stock.

All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or protected veteran status. Qualified applicants with criminal histories will also be considered for employment. Job posted on December 19, 2025. This position will be open for at least 3 days. Referrals increase your chances of interviewing at Jacobs by 2x.