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3Rd Assistant Engineer Jobs in Portland, OR (NOW HIRING)

... agencies or third-party sources. Any resumes received from these sources will be considered ... assistants that boost developer productivity * Collaboration and Communication: * Foster strong ...

OMS Applications Lead

Portland, OR · On-site

$154K - $174K/yr

... * Assist with solutioning to integrate third-party systems effectively. * Responsible to ... Bachelor's degree in Electrical Engineering, Computer Engineering, Systems Engineering, Computer ...

OMS Applications Lead

Portland, OR · On-site

$155 - $175/hr

... * Assist with solutioning to integrate third-party systems effectively. * Responsible to ... Bachelor's degree in Electrical Engineering, Computer Engineering, Systems Engineering, Computer ...

Showing results 41-60

3Rd Assistant Engineer information

See Portland, OR salary details

$35K

$94.1K

$142.6K

How much do 3rd assistant engineer jobs pay per year?

As of Aug 22, 2026, the average yearly pay for 3rd assistant engineer in Portland, OR is $94,124.00, according to ZipRecruiter salary data. Most workers in this role earn between $74,800.00 and $110,800.00 per year, depending on experience, location, and employer.

What is a 3rd assistant engineer?

A 3rd Assistant Engineer, also known as a Third Engineer, is a licensed member of the engineering department on a merchant ship. They are responsible for maintaining and operating the ship’s machinery, including engines, pumps, and electrical systems under the supervision of senior engineers. Their duties often include performing scheduled maintenance, monitoring equipment performance, and responding to machinery emergencies. This role is typically an entry-level officer position for marine engineers who have completed relevant maritime training and certification.

What are the typical responsibilities of a 3rd assistant engineer during a voyage?

As a 3rd Assistant Engineer, your primary responsibilities include monitoring and maintaining the ship’s engine room machinery, assisting with routine inspections, and ensuring equipment is operating safely and efficiently. You’ll often be assigned to a specific watch, working closely with the engineering team to troubleshoot technical issues and carry out scheduled maintenance. This role also involves keeping detailed logs, supporting emergency drills, and collaborating with other departments to ensure smooth vessel operations. Adapting quickly to changing priorities and working in a team-oriented environment are essential for success in this position.

What are the key skills and qualifications needed to thrive as a 3rd assistant engineer, and why are they important?

To thrive as a 3rd Assistant Engineer, you generally need a bachelor's degree in marine engineering or a related field, a valid U.S. Coast Guard (USCG) license, and a solid understanding of shipboard engineering systems. Familiarity with engine room operations, maintenance management systems, and safety protocols is crucial, along with any required STCW certifications. Strong problem-solving skills, attention to detail, and effective teamwork set outstanding candidates apart in this role. These competencies ensure the reliable operation and safety of ship machinery, supporting efficient vessel performance and regulatory compliance.

What is the difference between 3Rd Assistant Engineer vs 2Nd Assistant Engineer?

Aspect3Rd Assistant Engineer2Nd Assistant Engineer
Required CertificationsDiploma or equivalent in engineeringBachelor's degree in engineering or related field
Work EnvironmentAssisting in routine maintenance and operationsMore responsibilities in supervision and troubleshooting
Industry UsageCommonly used in shipping, manufacturing, and power plantsUsed in similar industries with increased responsibilities

The main difference between a 3Rd Assistant Engineer and a 2Nd Assistant Engineer lies in their level of responsibility and qualifications. The 3Rd Assistant Engineer typically holds a diploma and performs routine tasks, while the 2Nd Assistant Engineer usually has a bachelor's degree and handles more complex duties. Both roles are essential in engineering operations within industrial and shipping sectors, but the 2Nd Assistant Engineer has a higher level of responsibility and expertise.

How much do 3rd assistant engineers make?

The average salary for a 3rd Assistant Engineer typically ranges from $40,000 to $60,000 annually, depending on experience, location, and industry. Entry-level positions may start lower, while experienced engineers with certifications can earn higher wages, often supplemented by overtime and benefits.

What are popular job titles related to 3Rd Assistant Engineer jobs in Portland, OR?

For 3Rd Assistant Engineer jobs in Portland, OR, the most frequently searched job titles are:

What cities near Portland, OR are hiring for 3Rd Assistant Engineer jobs?

Cities near Portland, OR with the most 3Rd Assistant Engineer job openings:

Infographic showing various 3Rd Assistant Engineer job openings in Portland, OR as of August 2026, with employment types broken down into 100% Full Time. Highlights an 100% In-person job distribution, with an average salary of $94,124 per year, or $45.3 per hour.

Solar Performance Engineer (O&M)

OneEnergy Renewables

Portland, OR • On-site

$90 - $115/hr

Other

Medical, Life, Retirement, PTO

Re-posted 21 days ago


Job description

OneEnergy’s mission is to make clean energy the #1 source of electricity for consumers and utilities. We develop solar energy and battery energy storage (BESS) projects across the United States in community solar, distributed generation, and large utility scale project segments.Our diverse project pipeline, multiple locations across the US, and unique multidisciplined team sets us apart.

We are a dynamic and innovative renewable energy industry company committed to excellence, collaboration, and driving positive change in our industry.

About the role

The Performance Analyst, O&M will report to the Associate Director, O&M and work hand in hand withsystems, operations, accounting, engineering and asset management for the successful operation ofOneEnergy owned assets, as well as external owners of projects OneEnergy delivered to COD. Theposition will have responsibility for reviewing all operations and maintenance aspects for our solarassets and critical vendor relationships required to maintain a high quality of service to the assets. Thisincludes leadership of O&M tasks on operational status, contract obligations, and associated accountingfor the assets. Feedback of operational knowledge to preconstruction, project managers, designengineers, and other internal OneEnergy teams for improvements to our projects is also a key objectiveof the role. The role has a tremendous opportunity for growth because of our large and diversifiedpipeline in Wisconsin and across the United States.

What you\'ll do
  • Create Monthly and Quarterly reports on project performance, preplanning maintenance activities, and project analysis.
  • Support owner and vendor invoice reporting and work order management.
  • Facilitate communication with asset owner, engineering, and internal relationships.
  • Lead Performance analysis, PVsyst, and modeling for O&M portfolio management.
  • Manage equipment warranties and failure analysis for all sites.
  • Serve as the ongoing owner for all post-execution responsibilities associated with OneEnergy's contracts associated with owned or 3rd party assets including LLC agreements, loan agreements, PPAs, REC contracts, O&M agreements, etc.
  • Collaborate cross-functionally to ensure that proper processes and tasks are in place, and to continually improve Operational performance.
  • Collaborate with O&M and Asset Management to identify Performance and contractual issues.
  • Assist in refining standardized tools and reporting to streamline and coordinate communication of project and performance data.
  • Proactively preparing and communicating accurate project status summary or detailed reports to the management team, staff, or customers.
  • Administer and manage major project documents, including leading resolution of agreement issues that stem from the operation of the project (e.g., equipment warranties, insurance claims, landowner agreements, financing agreements, resource forecasting, environmental, etc.)
Qualifications
  • Bachelor’s degree is preferred in Engineering, Accounting or a related field.
  • Minimum 2 years of engineering, construction, and/or technical project experience.
  • Minimum 2 years of Operations and Maintenance/ Performance Engineer experience.
  • Demonstrated track record of success in solar energy or related field.
  • Strong attention to detail with organizational capacity to manage multiple projectssimultaneously.
  • A proven ability to provide efficient, timely, and reliable service to project stakeholders.
  • Self-motivated with proven ability to take ownership, initiative, and accountability.
  • Excellent interpersonal communication skills, both oral and written.
  • Ability to manage competing priorities often across functional and operational lines.
  • Ability to contribute to an amicable working environment with other associates and employees.
  • Position requires some travel, depending on time of year; must carry an active driver’s licenseand acceptable driving record.
  • Excellent PC computer skills and familiarity with MS Office and Windows.
  • Must have a “roll up your sleeves and let’s get the job done right” type attitude.
  • Demonstrated qualities of integrity, credibility, and professional responsibility.
  • A willingness to contribute to our culture which thrives on building trust and holding oneanother accountable.
Compensation

Compensation:

Compensation Range: $90,000-115,000, negotiable based on background and experience.

OneEnergy’s compensation packages are dependent on an array of factors including, but not limited toskill sets, experience and training, licensure and certifications, geographic location, and otherorganizational needs. We provide generous Paid Time Off (six weeks/year) and an impactful VolunteerTime Off Program. We offer robust employee benefits including comprehensive medical coverage,401(k) matching retirement plan, life insurance, wellness incentives, and more.

We recognize an equitable energy transition requires the participation of diverse communities, groups,and institutions. OneEnergy is an equal opportunity employer and does not discriminate againstotherwise qualified applicants on the basis of actual or perceived race, color, creed, religion, ancestry,citizenship status, age, sex, marital status, sexual orientation, national origin, disability or handicap,veteran status, or any other characteristic protected by applicable federal, state, or local laws.

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