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Senior Engineer Jobs in Seattle, WA (NOW HIRING)

Protingent

Senior Engineer

Bellevue, WA · On-site

$56 - $95/hr

  • Medical

  • Retirement

  • PTO

Senior Engineer ASME Section III Design Certification Position Description: Protingent Staffing has an exciting REMOTE contract Senior Engineer ASME Section III Design Certification opportunity. Job ...

System One

Senior Engineer

Bellevue, WA · On-site

$117K - $162K/yr

The Senior Engineer will work within a high-performing, multidisciplinary team of engineers and scientists developing advanced reactor systems. This role reports to the Reactor Enclosure System ...

MassMutual Ventures

Senior Engineer

Seattle, WA · On-site

$200 - $260/hr

  • Medical

  • Retirement

  • PTO

Kivo Health AI-powered care for seniors with chronic disease Senior Engineer $200K - $260K 0.15% - 0.25% Seattle Job type Full-time Role Engineering, Full stack Experience 6+ years Visa US citizen ...

Geico

Senior Engineer

Seattle, WA

$105K - $215K/yr

  • Retirement

Position Description Our Senior Java Engineer is a key member of the engineering staff working across the organization to provide a friction-less experience to our customers and maintain the highest ...

Brightline Group

SENIOR ENGINEER

Seattle, WA · On-site

$90 - $110/hr

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

Full-time senior engineer for research and analysis in energy efficiency and sustainability. Primary responsibilities will be studying the performance of energy efficiency and renewable energy ...

Puget Sound Energy

Senior Engineer

Tacoma, WA · On-site

$108K - $180K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

PSE's Engineering Operations team is looking for qualified candidates to fill an open Senior Engineer position! Specific details regarding the work arrangements for this position will be discussed in ...

Puget Sound Energy

Senior Engineer

Puyallup, WA

$108K - $180K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

PSE's Engineering Operations team is looking for qualified candidates to fill an open Senior Engineer position! Specific details regarding the work arrangements for this position will be discussed in ...

Puget Sound Energy

Senior Engineer

Puyallup, WA · On-site

$108K - $180K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

PSE's Engineering Operations team is looking for qualified candidates to fill an open Senior Engineer position! Specific details regarding the work arrangements for this position will be discussed in ...

Puget Sound Energy

Senior Engineer

Puyallup, WA · On-site

$108K - $180K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

PSE's Engineering Operations team is looking for qualified candidates to fill an open Senior Engineer position! Specific details regarding the work arrangements for this position will be discussed in ...

City of Sammamish

Senior Engineer, Traffic

Sammamish, WA · On-site +1

$122K - $168K/yr

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

The Senior Traffic Engineer plays a key role in advancing traffic safety and shaping an efficient, accessible, and multimodal transportation network for the Sammamish community. Serving as the City ...

Social Leverage

Senior Engineer

Seattle, WA · On-site

$180 - $220/hr

Role Summary We\'re looking for a Senior Software Engineer to work across all parts of our platform. This is a full-stack individual contributor role. You\'ll build features end to end, from the ...

New

City of Sammamish, WA

Senior Engineer, Traffic

Sammamish, WA · On-site +1

$58.86 - $81.01/hr

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

The Senior Traffic Engineer plays a key role in advancing traffic safety and shaping an efficient, accessible, and multimodal transportation network for the Sammamish community. Serving as the City ...

TerraPower LLC.

Senior Engineer, Fuel Enrichment

Bellevue, WA · On-site

$117K - $162K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Senior Engineer, Fuel Enrichment TerraPower is seeking a Senior Engineer, Fuel Enrichment to join the Natrium Fuel Design and Supply team. The Senior Engineer, Fuel Enrichment will support the ...

TerraPower LLC.

Senior Engineer, Fuel Enrichment

Bellevue, WA · Hybrid

$117K - $162K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Senior Engineer, Fuel Enrichment TerraPower is seeking a Senior Engineer, Fuel Enrichment to join the Natrium Fuel Design and Supply team. The Senior Engineer, Fuel Enrichment will support the ...

City of Kelso, WA

Senior Engineer

Pacific, WA · On-site

$105K - $143K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

The Senior Engineer position has varied contacts, including City employees, private consultants, contractors, public officials, property owners and citizens. * Contacts are for the purpose of ...

System One

Senior Mechanical Engineer (Supports)

Bellevue, WA · Remote

$69 - $115/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

Senior Mechanical Engineer (Supports) Location: Bellevue, WA Type: Contract Compensation: $69.00 - $115.00 Contractor Work Model: Remote - offsite Hours: 40.0 Overview System One is seeking a Senior ...

Geico

Senior Engineer - Durable Compliance

Renton, WA · On-site

$75K - $215K/yr

Geico is seeking a highly skilled Senior Engineer to be a key member of the engineering staff working to maintain the highest standards of compliance, protection and availability within Service and ...

GEICO

Senior Engineer - Durable Compliance

Renton, WA · On-site

$75K - $215K/yr

Geico is seeking a highly skilled Senior Engineer to be a key member of the engineering staff working to maintain the highest standards of compliance, protection and availability within Service and ...

Horizon House

Senior Engineer

Seattle, WA · On-site

$28.14 - $36.86/hr

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

Under the direction of the Chief Engineer, this role is responsible for performing complex corrective and preventive maintenance, as well as skilled renovation and construction services. Work is ...

Ardurra

Senior Engineer - Utilities

Seattle, WA · On-site

$125K - $140K/yr

Ardurra is seeking an experienced Senior Engineer - Utilities (PE) to join our growing Utilities Team in either Seattle or Everett, WA . This position will support the planning, design, and delivery ...

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Showing results 1-20

All JobsEngineer JobsSenior Engineer JobsSenior Engineer Jobs in Seattle, WA

Senior Engineer information

See Seattle, WA salary details

$67.8K

$144.1K

$208.9K

How much do senior engineer jobs pay per year?

As of Aug 16, 2026, the average yearly pay for senior engineer in Seattle, WA is $144,106.00, according to ZipRecruiter salary data. Most workers in this role earn between $119,000.00 and $163,400.00 per year, depending on experience, location, and employer.

How does a senior engineer typically mentor junior team members, and what impact does this have on the team's success?

Senior Engineers often play a key role in mentoring junior developers by providing guidance on technical challenges, reviewing code, and sharing best practices. This mentorship helps foster a collaborative environment where less-experienced team members can develop their skills more rapidly. As a result, the entire team benefits from improved code quality, faster problem-solving, and a culture of continuous learning. Senior Engineers also help set standards and encourage professional growth, which contributes to the overall success and cohesion of the engineering team.

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

To thrive as a Senior Engineer, you need advanced technical expertise in your engineering discipline, a relevant degree, and several years of industry experience. Familiarity with project management software, CAD tools, and compliance with engineering standards or certifications like PE (Professional Engineer) is typically required. Critical thinking, leadership, and effective communication are essential soft skills for mentoring teams and managing complex projects. These skills and qualities ensure successful project delivery, innovation, and strong team performance within engineering environments.

What do senior engineers do?

Senior engineers are experienced professionals responsible for designing, developing, and overseeing complex technical projects within their field. They often lead teams, review work for quality, and ensure projects meet technical standards and deadlines, utilizing skills in problem-solving, project management, and technical tools. Their role may also include mentoring junior staff and collaborating with other departments to achieve organizational goals.

What is a senior engineer?

Senior engineers develop and design software programs and applications, but are designated senior because they have more extensive knowledge and years of experience than other engineers on their team. As a senior engineer, you work closely with company managers to ensure the software is created to the required specifications and must troubleshoot issues with applications when they arise. Most senior engineers have mastered a specific set of programming languages, databases, and operating systems.

What is the difference between Senior Engineer vs Mechanical Engineer?

AspectSenior EngineerMechanical Engineer
Required CredentialsBachelor's degree in engineering; often a master's; professional engineering license (PE) preferredBachelor's degree in mechanical engineering; PE license optional but advantageous
Work EnvironmentDesign, development, project management; leadership rolesDesign, analysis, testing, manufacturing
Industry UsageUsed across engineering sectors for experienced professionalsEntry to mid-level engineering roles in manufacturing, automotive, aerospace

Senior Engineers typically have more experience, leadership responsibilities, and advanced credentials compared to Mechanical Engineers. While Mechanical Engineers focus on design and analysis, Senior Engineers often oversee projects and mentor teams, making them suitable for higher-level roles within engineering teams.

What is a senior engineer?

A Senior Engineer is an experienced professional responsible for designing, developing, and overseeing complex engineering projects. They often lead teams, mentor junior engineers, and ensure that technical solutions meet organizational goals and industry standards. Senior Engineers are typically experts in their field, possessing advanced problem-solving skills and a deep understanding of relevant technologies and methodologies. Their role also often involves collaborating across departments, managing timelines, and contributing to strategic planning.
More about Senior Engineer jobs

What are the most commonly searched types of Engineer jobs in Seattle, WA?

The most popular types of Engineer jobs in Seattle, WA are:

What are popular job titles related to Senior Engineer jobs in Seattle, WA?

For Senior Engineer jobs in Seattle, WA, the most frequently searched job titles are:

What job categories do people searching Senior Engineer jobs in Seattle, WA look for?

The top searched job categories for Senior Engineer jobs in Seattle, WA are:

What cities near Seattle, WA are hiring for Senior Engineer jobs?

Cities near Seattle, WA with the most Senior Engineer job openings:

Senior Engineer jobs near you
Infographic showing various Senior Engineer job openings in Seattle, WA as of August 2026, with employment types broken down into 91% Full Time, 4% Part Time, and 5% Contract. Highlights an 88% Physical, 4% Hybrid, and 8% Remote job distribution, with an average salary of $144,023 per year, or $69.2 per hour.

Senior Engineer

Protingent

Bellevue, WA • On-site

$56 - $95/hr

Contractor

Medical, Retirement, PTO

Re-posted 13 days ago

Job description


Position Title: Senior Engineer ASME Section III Design Certification
Position Description: Protingent Staffing has an exciting REMOTE contract Senior Engineer ASME Section III Design Certification opportunity.
Job Responsibilities:
  • Certification of Design Specifications and Design Reports for nuclear supports and/or nuclear pressure-retaining components
  • Serve as the Certifying Engineer for submittals, including applying professional engineering judgment and signing certifications where required.
  • Maintain current knowledge of ASME Section III updates, industry standards, and best practices.
  • Design of reactor structures and components from requirements through final design.
  • Coordinate inputs and requirements from Engineering and Project teams to produce equipment and components design solutions.
  • Perform scoping analysis and calculations for design options.
  • Interface with the team's engineering analysis activities.
  • Technically manage supplier activities.
  • Present equipment and components design results for design reviews.
  • Interface with junior engineers and subcontractors, providing direction and mentoring.
  • Support continuous learning and application of nuclear industry best practices to maintain the highest quality of engineering design and proactively identify process change/enhancement opportunities.

Job Qualifications:
  • Education: B.S. degree in Mechanical engineering or equivalent preferred
  • Minimum of eight years of equipment / component design experience; relevant M.S. degree credited as two years of experience.
  • Active Professional Engineer (P.E.) license required.
  • Working experience with ASME Boiler and Pressure Vessel Code Section III.
  • Demonstrated experience certifying Design Specifications and Design Reports for nuclear pressure-retaining components.
  • Deep understanding of ASME Section III, NQA-1, and related NRC regulations.
  • Experience writing design specifications.
  • Experience in finite element stress analysis, mechanical analysis methods, and commercial mechanical stress analysis modeling tools with emphasis on ANSYS.
  • Excellent writing and communication skills.
  • Strong analytical/problem solving skills, creative thinker.
  • The successful candidate will possess a high degree of trust and integrity, communicate openly and display respect and a desire to foster teamwork.
  • Travel Required: 0-5%.

Job Details:
  • Job Type: Contract
  • Pay Rate Range: $56-$95/hr (*Pay rates are approved based on candidate location, education and experience*)
  • Location: 100% Remote Acceptable
  • Export control regulations require candidates to be a U.S. Citizen, U.S. Legal Permanent Resident, or of a protected person status

Benefits Package: Protingent offers competitive salaries, insurance plan options (HDHP plan or POS plan), education/certification reimbursement, pre-tax commuter benefits, Paid Time Off (PTO), and an administered 401k plan.
#TerraPro
About Protingent: Protingent is an Award-Winning provider of top-tier Engineering and IT talent, trusted by companies at the forefront of innovation - from Software and Aerospace to AI, Clean Tech, Medical Devices, and Connected Technologies. We're passionate about making a positive impact by connecting exceptional talent with meaningful opportunities and helping our clients build the future.
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