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Senior Mechanical Engineer Jobs in Renton, WA (NOW HIRING)

Job Title: Sr. Mechanical Engineer - Payloads This Sr. Mechanical Engineer - Payloads role focuses on leading the mechanical design, development, and integration of advanced optical payload systems ...

Senior Mechanical Engineer

Seattle, WA · Hybrid

$120K - $180K/yr

Our client in Seattle, WA is currently hiring for a Sr. Mechanical Engineer / Project Manager. This position is a hybrid opportunity supporting large-scale MEP consulting projects. The ideal ...

Senior Mechanical Engineer

Seattle, WA · On-site

$103.32 - $121.23/hr

Seattle City Light's Engineering & Technology Operations Division is seeking a Senior Mechanical Engineer to ensure reliable operation of hydro turbine generating units and all auxiliary systems that ...

New

Senior Mechanical Engineer

Seattle, WA · Hybrid

$120K - $180K/yr

Our client in Seattle, WA is currently hiring for a Sr. Mechanical Engineer / Project Manager. This position is a hybrid opportunity supporting large-scale MEP consulting projects. The ideal ...

Senior Mechanical Engineer

Seattle, WA · On-site

$103.31 - $120.28/hr

Seattle City Light's Engineering & Technology Operations Division is seeking a Senior Mechanical Engineer to ensure reliable operation of hydro turbine generating units and all auxiliary systems that ...

New

Senior Mechanical Engineer

Seattle, WA · On-site

$74.99 - $87.31/hr

Seattle City Light's Engineering & Technology Operations Division is seeking a Senior Mechanical Engineer to ensure reliable operation of hydro turbine generating units and all auxiliary systems that ...

Senior Mechanical Engineer

WA · On-site

$74.99 - $87.31/hr

Seattle City Light's Engineering & Technology Operations Division is seeking a Senior Mechanical Engineer to ensure reliable operation of hydro turbine generating units and all auxiliary systems that ...

Showing results 21-40

Senior Mechanical Engineer information

See Renton, WA salary details

$83.8K

$137.9K

$192.3K

How much do senior mechanical engineer jobs pay per year?

As of Aug 8, 2026, the average yearly pay for senior mechanical engineer in Renton, WA is $137,863.00, according to ZipRecruiter salary data. Most workers in this role earn between $117,500.00 and $155,200.00 per year, depending on experience, location, and employer.

What does a senior mechanical engineer do?

A senior mechanical engineer manages the research and manufacturing of mechanical devices and systems. Day to day responsibilities of a senior mechanical engineer include estimating manufacturing project costs and timelines, making recommendations on system efficiencies and safety, and performing general engineering duties such as the development and testing of machines. A senior mechanical engineer job is a leadership position and requires managerial experience and excellent communication skills.

What does a senior mechanical engineer do?

A Senior Mechanical Engineer is responsible for designing, developing, and overseeing the production of mechanical systems and devices. They lead engineering projects, solve complex technical problems, and may supervise junior engineers and other team members. Their work often involves using advanced software tools for modeling and analysis, ensuring compliance with industry standards, and communicating with clients and stakeholders. Senior Mechanical Engineers typically have several years of experience and play a key role in project planning and execution.

What is the difference between Senior Mechanical Engineer vs Mechanical Designer?

AspectSenior Mechanical EngineerMechanical Designer
Required CredentialsBachelor's or Master's in Mechanical Engineering, Professional Engineer (PE) license often preferredAssociate's or Bachelor's in Mechanical Engineering or related field, certifications vary
Work EnvironmentDesign, analysis, project management, often in engineering firms or manufacturingDrafting, CAD modeling, product development, typically in design departments
Employer & Industry UsageEngineering firms, manufacturing, aerospace, automotiveProduct design companies, manufacturing, engineering consultancies

While both roles involve mechanical design, Senior Mechanical Engineers focus on project oversight, analysis, and technical leadership, whereas Mechanical Designers primarily handle CAD modeling and drafting tasks. The senior role requires more advanced credentials and experience, often with broader responsibilities in project management and engineering decisions.

What are the key skills and qualifications needed to thrive as a senior mechanical engineer, and why are they important?

To thrive as a Senior Mechanical Engineer, you need a strong background in mechanical design, engineering analysis, and project management, usually supported by a bachelor's or master's degree in mechanical engineering and several years of industry experience. Proficiency with CAD software (such as SolidWorks or AutoCAD), FEA tools, and familiarity with relevant industry standards and certifications (like PE licensure) are typically required. Excellent problem-solving, leadership, and communication skills help you lead teams and collaborate effectively with cross-functional departments. These skills and qualifications are crucial for delivering innovative, reliable engineering solutions and successfully managing complex projects.

How does a senior mechanical engineer typically collaborate with cross-functional teams during a project?

As a Senior Mechanical Engineer, you’ll regularly work alongside professionals from disciplines such as electrical engineering, manufacturing, project management, and quality assurance. Effective collaboration involves participating in design reviews, aligning on technical requirements, and troubleshooting challenges that arise during development. You’ll often serve as a key technical liaison, ensuring that mechanical solutions integrate seamlessly with other systems and that project milestones are met on schedule. Strong communication and leadership skills are invaluable, as you’ll help guide both junior engineers and multidisciplinary teams toward shared goals.
What are the most commonly searched types of Mechanical Engineer jobs in Renton, WA? The most popular types of Mechanical Engineer jobs in Renton, WA are:
What job categories do people searching Senior Mechanical Engineer jobs in Renton, WA look for? The top searched job categories for Senior Mechanical Engineer jobs in Renton, WA are:
What cities near Renton, WA are hiring for Senior Mechanical Engineer jobs? Cities near Renton, WA with the most Senior Mechanical Engineer job openings:
Infographic showing various Senior Mechanical Engineer job openings in Renton, WA as of August 2026, with employment types broken down into 88% Full Time, 8% Part Time, 3% Contract, and 1% Nights. Highlights an 97% Physical, 1% Hybrid, and 2% Remote job distribution, with an average salary of $137,863 per year, or $66.3 per hour.

$214.88/hr

Other

Medical, Dental, Vision, Life, PTO

Posted 3 days ago

New


Job description

Position Description

Seattle City Light, a department of the City of Seattle, is one of the nation's largest municipally owned utilities in terms of the number of customers served. Over the years we have worked very hard to keep Seattle's electricity affordable, reliable, and environmentally sound. Today, City Light is a recognized national leader in energy efficiency and environmental stewardship.

Seattle City Light's Engineering & Technology Operations Division is seeking a Senior Mechanical Engineer to ensure reliable operation of hydro turbine generating units and all auxiliary systems that support the generating units. In this position, you will be responsible for design changes, maintenance and construction of powerhouse and dam support systems, gates, hoists, structural equipment, piping systems, ventilation system, etc. This position reports to the Mechanical Engineering Supervisor.

Job Responsibilities

Here is more about what you'll be doing:

  • Reporting to City Light's Boundary Project and provide engineering support with operations and maintenance
  • Meet regularly with the mechanical maintenance crew to review planned work and ensure projects are completed and documented
  • Provides support with procurement and sourcing of materials
  • Work independently to complete tasks and manage priorities
  • Recommend projects at our plants and facilities when deficiencies are identified, with a goal of enhancing worker safety and productivity or generation reliability and efficiency
  • Ensure customers (Shops and Generating Plants) and other engineering disciplines (Electrical & Civil) are included as needed in the development of designs
  • Ensure that designs meet or exceed all Codes, Laws and Ordinances and promote safe operations of equipment and a safe environment for yourself, your co-workers and the general public
  • Experience with Work Asset Management systems for creating work tasks, preventative maintenance requirements and ordering equipment
Design Engineering
  • Reverse engineering - review old parts without existing information or drawings. Determine functionality, loading, forces, and calculate/design new replacement parts.
  • Full design engineering includes calculate part stresses, strains - to be compliant with safety and code requirements and produce drawings with part dimensions, tolerances, bearing clearances, and alignment requirements.
  • Review designs for code compliance and/or industry standards.
  • Modifications or replacement of piping with ASME B31.1 & B31.3 piping codes
Field Engineering
  • Knowledge of rotating machinery systems and their testing procedures and control systems.
  • Develop disassembly procedures including tooling and rigging designs for rotating machinery.
  • Develop assembly procedures for rotating machinery including proper materials, clearances, bolt torque values, alignment and fit up. Confirm shaft run out measurements meet industry standards.
  • Oversee and inspect work performed by machine shop, machinists, iron workers, and structural welders during generator and support system overhauls.
  • Directing of in-place machining of turbine and generator components including the use of boring bars and alignment verification.
Qualifications

Required Qualifications:

In addition to the skills and experience mentioned below, a successful applicant will have experience that reflects a commitment to creating fair and equitable outcomes and has:

Requires five years of professional mechanical engineering experience and a Bachelor's Degree in Mechanical Engineering or other combinations of education and/or experience which provide preparation to do professional mechanical engineering work.

Work Environment/Physical Demands
  • Most work is performed at the City's hydroelectric project
  • Work may entail exposure to all types of weather, high noise levels, hazardous/toxic substances, confined spaces and work near heavy equipment
  • May be required to work nights, evenings, weekends, and/or holidays
  • Overnight travel may be required
  • Work at other City Light projects and facilities may be required, including travel to Seattle
License, Certification and Other Requirements
  • Registration as a Professional Engineer in the State of Washington
  • Current Washington State driver's license or evidence of equivalent mobility
Desired Qualifications
  • Experience working at a hydroelectric generating facility
  • Experience with large rotating machinery
  • Experience with vibration analysis of rotating machinery
  • Knowledge of welding codes and welding procedure generation
  • Experience with Non-Destructive Examination (NDE) methods
  • Experience with mechanical data analysis to determine changes in machine operation
  • Ability to work on multiple projects and adapt to project and site needs
  • Power Plant, plant maintenance, and maintenance procedure experience
  • The ability to communicate and collaborate with skilled trade workers
  • Proficient using CAD, 3D design software, and Matlab
Emergency Response Commitment

Seattle City Light is committed to reliable service during emergencies. Through our Emergency Response Program, each employee is assigned a role—usually aligned with their regular duties—to support emergency operations. Your participation is required and vital to helping the utility stay prepared and serve our community when it matters most.

Additional Information

The full salary range for this position is $74.99 to $87.31 per hour.

Application Process
  • A cover letter in which you clearly describe how your knowledge, experience, skills, and abilities prepare you for the job responsibilities and qualifications outlined in the job announcement
  • A current resume of your educational and professional work experience.

Incomplete applications will not be accepted.

Who May Apply

This position is open to all candidates that meet the qualifications. Seattle City Light values diverse perspectives and life experiences. Applicants will be considered regardless of race, color, creed, national origin, ancestry, sex, marital status, disability, religious or political affiliation, age, sexual orientation, or gender identity. Seattle City Light encourages people of all backgrounds to apply, including people of color, immigrants, refugees, women, LGBTQIA+, people with disabilities, veterans, and those with diverse life experiences.

Job offers are contingent on the verification of credentials and other information required by the employment process, including the completion of a background check. The background check will involve a criminal history check, which includes conviction and arrest records in compliance with Seattle's Fair Chance Employment Ordinance, SMC 14.17 and the City of Seattle Personnel Rule 10.3. A driving history review may be conducted in compliance with SMC 4.79.020. Applicants will be provided an opportunity to explain or correct background information.

The City of Seattle offers a comprehensive benefits package including vacation, holiday, and sick leave as well as medical, dental, vision, life and long-term disability insurance for employees and their dependents. More information about employee benefits is available on the City's website at: https://www.seattle.gov/human-resources/benefits

Want to know more about Seattle City Light? Check out our web page: https://www.seattle.gov/city-light/about-us/careers

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