Entry Level Process Mechanical Engineer

Jacobs; Irvine (CA); Hybrid; USD 68,000 - 100,000; Full time

Benefits offered by this job

Medical, dental, vision insurance

401(k) plan

Stock purchase program

Unlimited PPTO

Job summary

Jacobs seeks a Process Mechanical Engineer to design piping and pumping systems for water and wastewater projects, providing construction oversight to diverse clients. You will evaluate equipment, contribute to facility layouts, and prepare calculations, P&IDs, and construction documents while coordinating with multi-discipline teams.

Ideal candidates bring a PE license, strong knowledge of codes, and a track record of leading CAD staff and remote teams.

Qualifications

• Bachelor's degree in Mechanical Engineering from an accredited university/college.
• Active Professional Engineering (PE) license.
• Experience with Industrial and National Building Codes.

Responsibilities

• Design piping and pumping systems for water and wastewater projects.
• Provide construction oversight for diverse industrial clients and projects.
• Evaluate and select equipment, piping materials and valves.
• Assist with facility layouts and develop calculations, P&IDs, and construction documents.
• Coordinate with other project disciplines and direct CAD technicians.
• Lead with strong leadership skills to deliver projects in the Western US and beyond.

Skills

MS Office

Team collaboration

Verbal and written communications

Remote staff management

Industrial & National Building Codes

US work authorization

Education

Bachelor’s Degree in Mechanical Engineering

Professional Engineering (PE) license

Job description

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.

Your impact

We share a common purpose – to make the world more connected and sustainable. And we’re excited about the innovative ways we can change the world.If you are also interested in turning abstract ideas into realities that transform the world for good,then Jacobs is where you belong. We are looking for apassionate and dedicated ProcessMechanicalEngineer. Aspartofour team,you’ll have the chance to work on projects that bring innovative solutions to our municipal clients’ water and wastewater challenges locally and worldwide.

You’ll be charged with designing piping pumpingsystems as well as provide oversight of construction for a variety of industrial clients and projects. You’ll alsoevaluate and select equipment, piping materials and valves, assist with facility layouts, develop calculations, P&IDs and construction documents. In addition, you’ll coordinate with other project disciplines and direct the work of CAD technicians.Using your leadership skills, you’ll be part of a team engaged in delivering some of the mostexciting projects in the Western United States, and beyond.

This position is not eligible for employer-sponsored work authorization now or in the future. Candidates must be legally authorized to work in the United States at the time of hire and maintain such authorization throughout their employment without employer sponsorship.

Here’s what you’ll need

• Bachelor’s Degree in Mechanical Engineering field from an accrediteduniversity or college
• Holds an active professional engineering (PE) license
• Experience and proficiency with Industrial and National Building Codes
• Capable of working in a team environment, including giving and receiving critical feedback
• Strong and effective verbal and written communications skills
• Successful experience with working and managing remote domestic and international staff
• Proficiency with Microsoft Office Suite
• Authorization to work in the United States without the need for visa sponsorship, now or in the future

Ideally, You’ll Also Have

• Experience with water and wastewater treatment plants, pump stations, and conveyance systems
• Proficiency in hydraulic modeling software. (AFT Fathom, Pipe-Flo)
• Experience with Quality Control reviews
• A desire for both personal and team growth
• Ability to serve as the technical liaison between the project owner and design team

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, and caregiver leave. And certain roles may be eligible for additional rewards, including merit increases, performance discretionary bonus, and stock.

The base salary range for this position is $67,725.00 to $99,800.00. Within the range, individual pay is determined by work location and additional factors, including job-related skills, experience, and relevant education or training.

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. Job posted on October 23, 2026. This position will be open for at least 3 days.

At Jacobs, we’re partnering across the globe to create the best project outcomes by maximizing the design, digital technology, and support capabilities of our Global Integrated Delivery (GID) teammates. By joining Jacobs, you’ll commit to supporting and engaging with these teams, as we work to build a company like no other.

We value collaboration and believe that in-person interactions are crucial for both our culture and client delivery. We empower employees with our hybrid working policy, allowing them to split their work week between Jacobs offices/projects and remote locations enabling them to deliver their best work.

Your application experience is important to us, and we’re keen to adapt to make every interaction even better.