Senior Mechanical Engineer & Technical Lead

Columbia Energy and Environmental services; Richland (WA); On-site; USD 120,000 - 180,000; Full time

Job summary

Columbia Energy & Environmental Services in Richland, WA, seeks a Principal Mechanical Engineer to lead complex design/build/test projects for nuclear and hazardous waste remediation, and to mentor project teams.

The role requires ABET-accredited degree, PE license, 15+ years in mechanical design, and US citizenship with security clearance eligibility.

You will collaborate with cross‑discipline teams, ensure ASME code compliance, and drive fabrication support from concept through field execution.

Qualifications

• Bachelor's degree in Mechanical Engineering (ABET-accredited) or higher.
• PE license is required.
• Minimum 15 years of demonstrated mechanical engineering design experience.
• Proven experience leading and managing project teams across disciplines.
• Strong attention to detail and collaborative teamwork.

Responsibilities

• Lead multi-disciplinary project teams to execute complex design/build/test projects within scope, schedule, and budget.
• Provide strategic technical leadership in mechanical design and code compliance (ASME B31.3, B&PV, AG-1).
• Mentor junior engineers and designers, ensure clear communication with stakeholders and drive fabrication/support during production.

Skills

Leadership

Project management

Mechanical design

ASME codes knowledge

Communication

Education

Bachelor's degree in Mechanical Engineering (ABET-accredited)

Job description

Columbia Energy & Environmental Services in Richland, WA, seeks a Principal Mechanical Engineer to lead complex design/build/test projects for nuclear and hazardous waste remediation, and to mentor project teams.

The role requires ABET-accredited degree, PE license, 15+ years in mechanical design, and US citizenship with security clearance eligibility.

You will collaborate with cross‑discipline teams, ensure ASME code compliance, and drive fabrication support from concept through field execution.