Jacobs Engineering Group

Market

Water

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

Jacobs is seeking an Entry-Level Building Mechanical Engineer to join our Portland, OR or Corvallis, OR Team. This is an exciting opportunity for a recent graduate or early-career engineer to work alongside experienced mechanical engineers and designers on water, wastewater, and infrastructure projects throughout the region.

In this role, you'll support the planning, design, and delivery of building mechanical systems for facilities such as treatment plants, operations buildings, laboratories, maintenance facilities, and other infrastructure-related projects. You'll gain hands-on experience designing HVAC, plumbing, fire protection, and utility systems while collaborating with multidisciplinary teams and developing your technical expertise.

What You'll Do

As a Building Mechanical Engineer I, you will:

• Assist with the design of HVAC systems for commercial, industrial, and municipal facilities.
• Support the design of plumbing systems, including potable water, drainage, and utility distribution systems.
• Assist with fire protection and life safety system design under the guidance of senior engineers.
• Perform engineering calculations for HVAC loads, ductwork sizing, piping systems, energy analysis, and plumbing system sizing.
• Prepare engineering drawings, specifications, technical reports, and design documentation.
• Coordinate with architects, engineers, designers, and project team members to develop project solutions.
• Participate in equipment selection and vendor coordination activities.
• Conduct site visits, field investigations, and existing-condition assessments.
• Support construction-phase services, including reviewing submittals, responding to contractor questions, and assisting with field observations.
• Learn and apply industry standards and codes, including ASHRAE, NFPA, IBC, IECC, and local

Here's what you'll need

• Bachelor's degree in Mechanical Engineering from an ABET-accredited program (or related engineering discipline).
• 0–3 years of relevant engineering experience.
• Engineer-in-Training (EIT) certification or ability to obtain within one year of hire.
• Basic knowledge of HVAC, plumbing, and building systems design principles.
• Strong analytical, problem-solving, and organizational skills.
• Effective written and verbal communication skills.
• Ability to work collaboratively in a team environment.
• Proficiency with Microsoft Office Suite (Word, Excel, PowerPoint).
• Must live within commutable distance from office location posted

Ideally you will also have

• Internship, co-op, or coursework related to building systems, HVAC design, plumbing, energy analysis, or infrastructure projects.
• Familiarity with AutoCAD, Revit, or other engineering design software.
• Interest in pursuing Professional Engineer (PE) licensure in the future.
• Experience working on multidisciplinary engineering projects through academic or internship experience.

Posted Salary Range: Minimum

58,656.00

Posted Salary Range: Upper

88,000.00

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 $58,656.00 to $88,000.00. 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 July 13, 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. If you require further support or reasonable adjustments with regards to the recruitment process (for example, you require the application form in a different format), please contact the team via Careers Support.

Locations

CityStateCountry

Corvallis

Oregon

United States

Portland

Oregon

United States