Sign up to access all features of our service.
  • Job search
  • Favorites
  • Create a CV
    New
  • Salaries
  • Subscriptions

Principal Mechanical Engineer

$120k - $180k

Columbia Energy

Job Description

Job Description

Principal Mechanical Engineer

Location: Richland, WA
Company: Columbia Energy & Environmental Services
Salary: $120,000 – $180,000 DOE

About Columbia Energy

Columbia Energy & Environmental Services, headquartered in Richland, WA, is a well-established small business with a strong track record of delivering comprehensive solutions in engineering, design, fabrication, instrumentation and controls, and other specialized services. With expertise in fixed-price design/build/test projects, we serve both federal and commercial clients, consistently delivering high-quality results through innovation and technical precision.

Our collaborative and experienced team is committed to providing practical, client-focused solutions tailored to address a wide range of challenges. Recently, we expanded our operations to Idaho Falls, ID, reflecting our ongoing growth and dedication to broadening our capabilities. We take pride in maintaining a strong reputation for quality and integrity while ensuring compliance with rigorous industry standards.

Why Join Columbia Energy?

At Columbia Energy, we foster a supportive and innovative environment where team members can thrive. As a growing small business with ambitious goals, we value initiative, teamwork, and a dedication to quality. This role offers the opportunity to lead impactful projects, serve as a mentor to junior engineers, and play a key role in advancing our technical capabilities. Veterans are strongly encouraged to apply.

Position Overview

We are seeking an accomplished Principal Mechanical Engineer to join our team in Richland, WA. This role provides opportunities to serve as a technical lead, project engineer, and mentor to project teams while contributing to complex design/build/test projects. The successful candidate will bring a combination of deep technical expertise, leadership ability, and a collaborative mindset to drive innovative solutions for nuclear and hazardous waste remediation, chemical processing, and nuclear ventilation systems.

Essential Responsibilities & Duties

Leadership & Mentorship

  • Lead multi-disciplinary project teams in the execution of complex design/build/test projects, ensuring scope, schedule, and budget objectives are met.
  • Act as a mentor and resource for junior engineers and designers, fostering technical growth and professional development.

Technical Expertise

  • Provide strategic technical leadership in mechanical design, collaborating with engineers, designers, and shop staff.
  • Conduct design analysis and reviews to ensure compliance with applicable industry codes and standards (e.g., ASME B31.3, ASME B&PV, ASME AG-1).
  • Develop and oversee test plans and procedures, supporting system testing and troubleshooting.
  • Maintain configuration control of baseline drawings and documents while ensuring accuracy and quality of design deliverables.

Project Collaboration & Fabrication Support

  • Work closely with fabrication teams to ensure designs are manufacturable and optimized for production.
  • Apply hands-on experience in fabrication processes to support design, manufacturability, and troubleshooting during production.
  • Provide clear communication and updates to project stakeholders regarding task status, technical challenges, and progress.
  • Support continuous improvement initiatives in design and fabrication processes to enhance efficiency and quality.

Required Qualifications

  • Bachelor’s degree in Mechanical Engineering (ABET-accredited) or higher.
  • Registered Professional Engineer (PE).
  • Minimum of 15 years of demonstrated experience in mechanical engineering design.
  • Proven experience leading and managing project teams across disciplines.
  • Extensive experience preparing design deliverables, resolving technical review comments, and finalizing design packages.
  • Strong attention to detail with ability to work collaboratively in a team environment.
  • Self-motivated with a focus on project needs and delivery schedules.
  • U.S. citizenship and ability to obtain government security clearance (required for federal contract work).

Preferred Qualifications

  • ASME NQA-1 or DOE project experience.
  • Project management experience.
  • Hands-on fabrication experience, with ability to provide design input to optimize manufacturability.
  • Experience supporting projects at nuclear facilities or within Navy Nuclear Power systems.
  • Willingness to embrace new challenges and contribute to team growth.

Key Success Attributes

  • Leader & Mentor: Guides technical teams and supports professional development.
  • Technically Proficient: Deep understanding of mechanical design and industry codes/standards.
  • Collaborative: Works effectively across engineering, design, and fabrication teams.
  • Detail-Oriented: Ensures high-quality deliverables and compliance with requirements.
  • Adaptable: Able to manage competing priorities in a dynamic project environment.

Equal Opportunity Employer

Columbia Energy is an Equal Opportunity/Affirmative Action employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, disability, sexual orientation, gender identity, protected veteran status, or any other characteristic protected by federal and state law.

 

Vacancy posted 2 days ago
Similar jobs that could be interesting for youBased on the Principal Mechanical Engineer in Richland, WA vacancy
  • $110k - $121k

     ...American homes. What You’ll Do Day-To-Day Design critical cast components that matter.We’re looking for an experienced Mechanical Design Engineer with expertise in metallic castings to own the design of complex engineered cast components used in demanding, highly... 
    Suggested
    Temporary work

    Framatome

    Richland, WA
    1 day ago
  • $126k - $171k

     ...million North American homes. What You’ll Do Day-To-Day As a Component Owner in the Mechanical Product Design group, you will be responsible for the design and engineering of components which are used in Framatome's nuclear fuel assemblies. Component Owners ensure... 
    Suggested
    Temporary work

    Framatome

    Richland, WA
    4 days ago
  • $88.4k - $154.7k

     ...team that tackles infrastructure challenges? Want to take your engineering skills to the next level by working on complex projects that...  ...impact on the community? Parsons is hiring a Senior Mechanical Engineer to work 100% remotely within the U.S. Candidates must... 
    Suggested
    Full time
    Work experience placement
    Remote work
    Flexible hours

    Parsons

    Richland, WA
    3 days ago
  • DescriptionThe Senior Mechanical Engineer will lead mechanical design project teams in Richland, WA to create world-class designs for new projects, alterations and redevelopments on a variety of equipment and infrastructure projects that will primarily support the local... 
    Suggested
    For contractors
    Work at office
    Local area

    Burns & McDonnell

    Richland, WA
    3 days ago
  •  ...support our clients and projects. Veolia is looking for Electrical Engineers. In this position professionals will develop detailed designs...  ...communication and time management skills. In addition, Principal engineers perform engineering design evaluations, provide input... 
    Suggested
    Flexible hours

    Veolia Nuclear Solutions Federal Services

    Richland, WA
    4 days ago
  • $60 - $80 per hour

     ...Job Description We have a client in the Tri-Cities, Washington area that is looking for an on-site, full-time experienced Mechanical Engineer to bring on long-term. If you or any of your colleagues are interested in this position, please click Apply Now .... 
    Permanent employment
    Full time
    Contract work

    Technipower

    Richland, WA
    4 days ago
  • $126k - $171k

     ...Job Title: HVAC Engineer Location: Richland , Washington Type: Direct Hire Compensation: $126,000 - $171,000 annually Contractor Work Model: Onsite System One is hiring HVAC Engineers for direct, full-time roles supporting engineering projects across the... 
    Full time
    For contractors
    Local area
    Relocation package

    System One

    Richland, WA
    1 day ago
  • Mechanical Project ManagerPosition OverviewWe are seeking an experienced Mechanical Project Manager to lead mechanical design and construction...  ...and progress meetings.Collaborate with architects, structural engineers, electrical teams, and clients to resolve design and... 
    For subcontractor
    Local area
    Flexible hours

    CyberCoders

    Richland, WA
    1 day ago
  • $72k - $109.8k

     ...and/or extended hours may be required or authorized to support the construction schedule. Job Summary: The HLW Mechanical Field Engineer is responsible for activities relating to construction engineering within the Piping/Mechanical discipline. This position... 
    16 hours
    Full time
    For contractors
    For subcontractor
    Work at office
    Local area
    Remote work
    Relocation
    Visa sponsorship
    Night shift
    Day shift

    Bechtel Global Corporation

    West Richland, WA
    11 hours ago
  •  ...OverviewWe are seeking a Senior Automation & Control Systems Engineer to lead the design, implementation, and commissioning of industrial...  ...degree in Electrical, Control Systems, Instrumentation, Mechanical Engineering, or related field; or equivalent experience.7+ years... 
    For contractors

    CyberCoders

    Richland, WA
    3 days ago
  • Overview The Chief Engineer is responsible for the technical oversight of the Engineering and Technology business lines. They will provide independent technical oversight, governance, and leadership while supporting project execution, innovation, and continuous improvement... 

    Veolia Nuclear Solutions Federal Services

    Richland, WA
    5 days ago
  • $27 - $35 per hour

     ...Job Description Position Overview: We are seeking a highly skilled and motivated individual to join our team as a Locomotive Engineer/Conductor based out of Richland, WA. You will be responsible for ensuring safety and providing excellent customer service in your... 
    Hourly pay
    Full time
    Remote work
    Monday to Friday
    Flexible hours
    Shift work
    Weekend work
    Day shift

    Succession Planning for Railroads Investing in the Next Gene...

    Richland, WA
    8 days ago
  • $74.35k - $113.6k

     ...Description Piping Engineering & Analysis Synopsis The Piping Engineering & Analysis discipline performs evaluations for piping...  ...position. Essential Skills and Experience: ~ BS or MS in Mechanical Engineering, Engineering Mechanics, Aerospace, or Structural/... 
    Hourly pay
    Work at office
    Local area
    Worldwide
    Flexible hours
    3 days per week

    Sargent & Lundy

    Richland, WA
    1 day ago
  • $105k - $145k

     ...2018 from leading investors including NVIDIA's NVentures and BOND. YouTube | X | Instagram | LinkedIn | News As a Electrical Engineer at Carbon Robotics will work with the manufacturing teams to provide support with Engineering collaboration. You'll do whatever... 
    Full time
    Contract work
    For contractors
    Work experience placement
    Remote work
    Worldwide
    Flexible hours

    Carbon Robotics

    Richland, WA
    17 days ago
  •  ...Job Description Job Description Job Title: Mechanical Engineer Location: Richland, Washington Type: Contract Contractor Work Model: Onsite – onsite Hours: 40.0 Overview Responsibilities Create, modify, and update 2D drawings and 3D models using AutoCAD... 
    Contract work
    For contractors
    Local area

    System One

    Richland, WA
    21 days ago
  • $58 - $65 per hour

     ...Job Description Job Description Job Title: Sr Mechanical Engineer  Pay Rate : $58-65/hr  Worksite Location : Richland, WA  Work Schedule : Mon-Fri. -- 8am-5pm  POSITION OVERVIEW: Ready to put your project engineering expertise to work on complex projects... 
    Permanent employment
    Contract work
    Work experience placement
    Immediate start

    Anistar

    Richland, WA
    15 days ago
  •  ...about the work you do and want to keep growing in your career, we want to talk to you! Our Federal group is looking for a Process Engineer to support our growing work in the DOE and DOD. The successful candidate will:Have experience with nuclear system design, working... 
    Work at office

    Burns & McDonnell

    Richland, WA
    3 days ago
  • $100k - $130k

     ...and corrective actions.Partner with Quality and Metallurgical Engineering to maintain compliance with customer requirements and...  ...QualificationsBachelor's degree in Metallurgical Engineering, Materials Science, Mechanical Engineering, Industrial Engineering, or related... 
    Hourly pay
    Temporary work
    Work at office
    Flexible hours

    ATI

    Richland, WA
    1 day ago
  • $120k - $170k

     ...Job Description Job Description Principal Electrical/I&C Engineer Location: Richland, WA Company: Columbia Energy & Environmental Services Salary: $120,000 – $170,000, depending on experience   About Columbia Energy Columbia Energy & Environmental... 
    Contract work
    Work at office

    Columbia Energy

    Richland, WA
    2 days ago
  • $160k - $200k

     ...Manager, Project Engineering Come Build Your Career at Aecon! Aecon delivers some of the most complex and impactful infrastructure projects — from transformative transportation networks to critical energy, industrial and nuclear programs. The projects we build connect... 
    Contract work
    Temporary work

    Aecon Group Inc.

    Richland, WA
    1 day ago
  •  ...Nuclear Materials Control and Accountability Analyst Candidates principally support Oversight And General Support Services Under Job Task...  ...| Compliance | Business Processes | IT Effectiveness | Engineering | Environmental | Sustainability | Human CapitalSummaryType:... 
    Full time
    Contract work
    Temporary work
    For contractors
    For subcontractor
    Work at office
    Remote work
    Flexible hours

    Prosidian Consultng

    Richland, WA
    3 days ago
  •  ...UDR  is seeking qualified candidates for a Senior Process Engineer  opportunity in Richland, WA. Description Our Federal group is looking for a Senior Process Engineer to support our growing work in the DOE and DOD. The successful candidate will: Have experience... 
    Work at office

    UDR Consulting Inc

    Richland, WA
    3 days ago
  • $70 - $77 per hour

     ...Senior Process Engineer Location: Richland, WA Contract Details Position Type: Contract Contract Duration: 6 months (with potential for extension or conversion to full-time employee) Start: June 29, 2026 Pay Rate: $70.00-$77.00 / Hour (USD)... 
    Full time
    Contract work
    Work at office
    Work visa

    Global Technical Talent

    Richland, WA
    3 hours ago
  •  ...Business Process | IT Effectiveness | Engineering | Environmental | Sustainability | Human...  ...sciences, civil/structural engineering, mechanical/electrical engineering, fire protection...  ...Oversight Specialist Candidates principally support Science, Engineering and Design... 
    Full time
    Contract work
    Temporary work
    For contractors
    For subcontractor
    Work at office
    Remote work
    Flexible hours

    Prosidian Consultng

    Richland, WA
    3 days ago
  •  ...and Security Enforcement, Nuclear Safety, Criticality Safety, Engineering (Radiological Protection, Structural, Quality Assurance, Fire...  ...Sector and Operations Oversight Specialist Candidates principally support Oversight And General Support Services Under Job Task... 
    Full time
    Contract work
    Temporary work
    For contractors
    For subcontractor
    Work at office
    Remote work
    Flexible hours

    Prosidian Consultng

    Richland, WA
    3 days ago
  •  ...Assurance System (iCAS) database with excellent written communication skills.5. Coordinate issue assessment and resolution with ORP engineering, regulatory, and other supporting staff.6. Directly interface with DOE senior management and local and federal agency executives.... 
    Full time
    Temporary work
    Part time
    For contractors
    Work at office
    Local area
    Flexible hours

    Prosidian Consultng

    Richland, WA
    3 days ago
  • $130k - $160k

     ...Description Symmetrio is recruiting an Equipment & Facilities Engineer on behalf of a growing medical device manufacturer. This...  ...manufacturing equipment and infrastructure • Troubleshoot mechanical, electrical, pneumatic, electromechanical, and automated systems... 
    For contractors
    Casual work
    Work at office
    Relocation package

    Symmetrio

    Richland, WA
    16 days ago
  •  ...We are seeking a skilled and motivated Equipment & Facilities Engineer to support and improve production operations in a regulated...  ...with validation protocols and risk assessments. Troubleshoot mechanical, electrical, pneumatic, and automated systems to minimize... 
    For contractors
    Casual work
    Work at office
    Flexible hours
    Night shift
    Afternoon shift

    GT Medical Technologies, Inc.

    Richland, WA
    9 days ago
  • $114.7k - $183.45k

    External Job Opportunity Title Shift Operations Manager Position Number 41371 Company Central Plateau Cleanup Comp City/State Richland, WA Location Hanford, WA (200E Area) Posted 07/29/2026 Closes 08/05/2026 Regular/Temporary Regular Full/Part-Time Full-Time Job Duties...
    Full time
    Temporary work
    Part time
    Casual work
    Local area
    Relocation
    Shift work
    Weekend work

    Central Plateau Cleanup Company

    Richland, WA
    1 day ago
  • $78k - $119k

     ...project's automation plan. You will configure and customize engineering applications and reports to meet project needs, ensuring accuracy...  ...Requirements: Requires a bachelor's degree in Mechanical Engineering, Computer Science, Computer Engineering, or Information... 
    16 hours
    Full time
    Part time
    Work experience placement
    Work at office
    Local area
    Remote work
    Relocation

    Bechtel Global Corporation

    Richland, WA
    2 days ago

Do you want to receive more vacancies?

Subscribe and receive similar vacancies to Principal Mechanical Engineer. Be the first to apply!