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Senior Engineer Jobs in Federal Way, WA (NOW HIRING)

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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

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 Group, Inc.

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 ...

Nvidia

NCX Senior Engineer

Seattle, WA · On-site

$118K - $163K/yr

NVIDIA is seeking an NCX Senior Engineer to join our DSX team, collaborating closely with strategic customers to implement and enhance groundbreaking AI workloads! You will deliver hands-on technical ...

Raft

Senior Engineer

Tacoma, WA · On-site

$110K - $180K/yr

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

We're looking for an experienced Senior DevSecOps Engineer to support our customers and join our passionate team of high-impact problem solvers. About the role: Raft is building a real-time data ...

New

Starbucks

senior engineer, Design & Operations

Seattle, WA · On-site

$79K - $107K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Now Brewing - senior engineer, Design & Operations! #tobeapartner From the beginning, Starbucks set out to be a different kind of company. One that not only celebrated coffee and the rich tradition ...

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Showing results 1-20

All JobsEngineer JobsSenior Engineer JobsSenior Engineer Jobs in Federal Way, WA

Senior Engineer information

See Federal Way, WA salary details

$66.4K

$141.3K

$204.9K

How much do senior engineer jobs pay per year?

As of Aug 17, 2026, the average yearly pay for senior engineer in Federal Way, WA is $141,331.00, according to ZipRecruiter salary data. Most workers in this role earn between $116,700.00 and $160,300.00 per year, depending on experience, location, and employer.

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 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.

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 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.

More about Senior Engineer jobs

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

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

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

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

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

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

Senior Engineer jobs near you
Infographic showing various Senior Engineer job openings in Federal Way, WA as of July 2026, with employment types broken down into 88% Full Time, 8% Part Time, and 4% Contract. Highlights an 86% Physical, 5% Hybrid, and 9% Remote job distribution, with an average salary of $141,331 per year, or $67.9 per hour.

Senior Engineer

System One

Bellevue, WA • On-site

$117K - $162K/yr

Contractor

Re-posted 15 days ago

Job description

System One is seeking an experienced Senior Mechanical Engineer to support the design and development of reactor structures and components for a next-generation Generation IV advanced nuclear reactor program. This role is focused on high-integrity nuclear equipment design and requires deep expertise in ASME Section III nuclear design and certification.

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 Component Manager and plays a critical role in design certification, licensing support, and supplier oversight.

Position Summary

The Senior Mechanical Engineer will lead and execute design solutions for reactor structures and pressure-retaining components, from requirements definition through final design. The successful candidate will be responsible for preparing, reviewing, and certifying Design Specifications (DS) and Design Reports (DR) in accordance with ASME Boiler & Pressure Vessel Code Section III, while supporting regulatory, compliance, and customer deliverables.

Key Responsibilities

  • Certify Design Specifications (DS) and Design Reports (DR) for nuclear supports and/or nuclear pressure-retaining components

  • Serve as Certifying Engineer, applying professional engineering judgment and signing certifications as required

  • Maintain current knowledge of ASME Section III code updates, industry standards, and best practices

  • Design reactor structures and components from requirements through final design

  • Coordinate inputs and requirements from engineering and project teams to develop robust design solutions

  • Perform scoping analyses and design calculations for alternative design options

  • Interface with engineering analysis teams to support stress and mechanical evaluations

  • Provide technical management and oversight of supplier activities

  • Present design results at technical and formal design reviews

  • Mentor junior engineers and provide technical direction to subcontractors

  • Support continuous improvement and application of nuclear industry best practices

Required Qualifications & Skills

  • B.S. in Mechanical Engineering or equivalent (preferred)

  • Minimum 8 years of equipment/component design experience

    • Relevant M.S. degree may substitute for 2 years of experience

  • Active Professional Engineer (P.E.) license (required)

  • Demonstrated working experience with ASME Boiler & Pressure Vessel Code Section III

  • Proven experience certifying Design Specifications and Design Reports for nuclear pressure-retaining components

  • Strong understanding of ASME Section III, ASME NQA-1, and applicable NRC regulations

  • Experience authoring formal design specifications

  • Experience in finite element stress analysis, mechanical analysis methods, and commercial tools (ANSYS strongly preferred)

  • Excellent technical writing and verbal communication skills

  • Strong analytical and problem-solving skills; creative and critical thinker

  • High degree of trust and integrity with the ability to communicate openly, demonstrate respect, and foster teamwork

Physical & Work Requirements

  • Ability to sit and/or stand for extended periods

  • Bending, stooping, grasping, gripping, and fine motor control required

  • Ability to safely lift up to 25 pounds

  • Repetitive work and visual/audio focused tasks

  • Standard office and engineering work environment (>8 hours/day)

  • Travel: 0–5%

Additional Information

  • Role supports advanced nuclear reactor development programs

  • Employment may be subject to U.S. export control regulations

  • Candidates may be required to verify work authorization status in accordance with applicable laws

Ref: #161-Managed Staffing Charlotte