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3Rd Assistant Engineer Jobs (NOW HIRING)

Certificate from AFE (CPE), USCG Third Assistant Engineer License, or U.S. State Stationary Engineers License Strong technical acumen in facility operations and maintenance. Excellent communication ...

Certificate from AFE (CPE), USCG Third Assistant Engineer License, or U.S. State Stationary Engineers License Strong technical acumen in facility operations and maintenance. Excellent communication ...

Engineer - Marine

Savannah, GA

$74K - $100K/yr

Engineering Officer - Assistant Engineer Limited. (3rd Assistant Engineer of Motor Propelled Vessels Unlimited Horsepower preferred), QMED-Any Rating, Lifeboatman, Ordinary Seaman, Wiper, Steward ...

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3Rd Assistant Engineer information

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$33K

$88.8K

$134.5K

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

As of Aug 10, 2026, the average yearly pay for 3rd assistant engineer in the United States is $88,754.00, according to ZipRecruiter salary data. Most workers in this role earn between $70,500.00 and $104,500.00 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 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.

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 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.
More about 3Rd Assistant Engineer jobs
What cities are hiring for 3Rd Assistant Engineer jobs? Cities with the most 3Rd Assistant Engineer job openings:
What states have the most 3Rd Assistant Engineer jobs? States with the most job openings for 3Rd Assistant Engineer jobs include:
Infographic showing various 3Rd Assistant Engineer job openings in the United States as of August 2026, with employment types broken down into 94% Full Time, and 6% Contract. Highlights an 100% In-person job distribution, with an average salary of $88,754 per year, or $42.7 per hour.

3RD ASSISTANT ENGINEER

Crowley Maritime Corporation

Jacksonville, FL • On-site

Full-time

Medical, Dental, Vision, Life, Retirement

Re-posted 16 days ago


Job description

Overview

As a privately held, U.S.-owned and operated company, Crowley provides services to 36 nations and island territories. Our purpose is to bravely advance what's possible to elevate people and planet, with our core values of Integrity, Sustainability and Drive guiding everything we do.  

By expanding and innovating our services, we have expanded our footprint in services within the Logistics, Land Transportation, Shipping, Wind and Fuel industries. Crowley and its affiliated companies have generated more than $3.5 billion in annual revenue through our people's focus on excellence and a culture that values everyone's voices and collaboration.  

To continue laying the groundwork and challengewhat'spossible for our business, we seek to partner with individuals ready to elevate their careers with us. 

Crowley's Marine Management Services Inc. (MMS) is a dedicated, MLC certified, marine and offshore crewing company whose focus is to add value to the ship or asset owner through successful and cost-effective management of marine resources. MMS’s main focuses are offshore crewing, personnel recruitment, and project support. 

To continue laying the groundwork and challenge what's possible for our business, we seek to partner with individuals ready to elevate their careers with us. 


Responsibilities

FPSO Turritella – Marine Mechanical Technician / 3rd Assistant Engineer (Non-Union) 

Summary: The 3rd Assistant Engineer is responsible for the operation and maintenance of the cargo, ballast, offload systems, engine room, and forward machinery space under the supervision of the First Assistant Engineer. This role ensures compliance with safety, health, and environmental standards aboard the FPSO Turritella. 

Essential Functions: 

  • Assist in the operation, maintenance, and repair of propulsion and auxiliary machinery to ensure efficient and safe vessel operation. 
  • Perform routine inspections of engine room systems, including fuel, lubrication, cooling, and electrical systems, to identify and address potential issues. 
  • Support troubleshooting, repairs, and overhauls of mechanical and electrical components under the direction of senior engineering officers. 
  • Adhere to maritime safety protocols, pollution prevention regulations, and company policies to maintain a safe and compliant engine room environment. 

Duties/Responsibilities: 

  • Regularly reviewing and monitoring compliance with safe work systems and maintenance procedures, including reviewing and rationalizing PM procedures and evaluating and optimizing maintenance routines along with other onboard personnel and onshore support staff. 
  • Owning various equipment systems and ensuring robust preventive maintenance plans, procedures, and spare parts are in SAP Blueprint. 
  • Support monitoring, surveillance, and optimization of key process and utility systems. 
  • Supporting operators in surveillance of critical equipment to process systems. 
  • Performing ESP duties including shift handover, start of shift orientation, shift team meeting and planning, end of shift reporting, proactive technical monitoring, managing abnormal situations, etc. 
  • Performing critical tasks related to HSE case and SEMS compliance, ESP roles, ICS, and proactive technical monitoring. 
  • Maintaining readiness of lifesaving equipment. 
  • Participating in Hazard Management reviews. 
  • Creating Local Work Instructions, Site Specific Task Lists, and BOMs. 
  • Reviewing and providing input to MOCs or variances. 
  • Performing MIE duties, including performing PMs, routine CMs, support of major equipment break-ins, and maintenance records management. 
  • Directing the activities of marine maintenance staff in accordance with the safety regulations and company procedures to minimize the risk of personal injury, environmental damage, and asset damage. 
  • In liaison with the HSE Lead, obtaining permits to work authority for designated areas and conducting toolbox talks/job safety analyses as required. 
  • Preparing Cargo Plant and Systems for start-up, including IG, Ballast, andthe Tandem Mooring and Offload System and associated equipment. 
  • Isolating and reinstating Cargo Systems for maintenance, including offload/ballast systems as may be inter-related with ER. 
  • Establishing scope of work clearly, including briefings, toolbox talks, and presentations. 
  • Planning and controlling the use of resources effectively, including personnel, time, materials, transport, and IT. 
  • Using communication skills that show leadership, including oral, teambuilding, recording, noting, handover, and analyzing. 
  • Making recommendations and improvements in working practices for greater safety, efficiency, and profitability. 
  • Ensuring that all assigned maintenance (routine and breakdown) is completed and recorded accurately and clearly. 
  • Ensuring that developing critical situations (including operational, weather, equipment failure, leaks, fires, and personnel) are identified and logged for later analysis. 
  • Sampling and checking that controlled discharges from the area of responsibility to the environment are within prescribed limits. 
    • Identifying and halting unplanned discharges where possible and reporting them immediately according to policy, procedure, and regulation. 

Qualifications

Certification: 

  • Required: 
  • Must hold a valid USCG MMC with a minimum of a 3rdAssistant Engineer Unlimited or higher 
  • Officer in Charge of Engineer Watch (III/1) 
  • Rating forming part of a watch (III/4) 
  • Able Seafarer-Engine (III/5) 
  • Basic Training (VI/1) 
  • Proficiency in the use of survival craft (VI/2) 
  • Advanced Fire Fighting (VI/3) 
  • Medical First-Aid Provider (VI/4) 
  • Vessel Personnel with Designated Security Duties/Security Awareness (VI/6) 
  • Valid TWIC 
  • Valid USCG 719k Med Cert (STCW) 
  • Valid Driver’s License 
  • Preferred: 
  • Tanker Assist (V/1-1-1 Basic Oil and Chemical Tanker Operations- Tankerman Assist / PIC-DL) 
  • Passport  
  • IADC Rig Pass / SafeGulf equivalent  
  • T-HUET (or better)  

*All qualified candidates must submit the above required documents with their application in order to be reviewedfor the position* 

Education:  

  • High School Diploma or equivalent [G.E.D.] or higher

Experience: 

  • At least 2 years of experience Offshoreor on Tankers  
  • Experience and knowledge of safety management in hydrocarbon processing operations 
  • Experience handling flammable/dangerous liquids (familiarization with bunkering/transferring of products) 
  • Preferred Experience: 
  • Prior Tanker Experience 
  • 1 year of experience in a similar roleor a Junior position handling Steam Systems 
  • Adequate knowledge and experience of offshore FPSO Marine Operations  
  • Slow Speed Diesel / Medium Speed Generator / Auxiliary Steam experience  

Reports To: 1st Assistant Engineer  

Supervisory Responsibilities: N/A 

Compensation: 

  • Competitive Day Rate 
  • Comprehensive Benefits Package 
  • Medical 
  • Dental 
  • Vision 
  • LTD 
  • STD 
  • AD&D 
  • Life Insurance 
  • 401k 
  • 28/28 Rotation 
  • Paid Travel 

Duration/Travel/Timeline Details: 10% Travel – To and from the vessel along with shoreside training 

Physical Requirements/Working Conditions/Work EnvironmentWorks both inside and outside in conditions of both high and low temperatures. May be exposed to odors, dust, dirt, mechanical hazards, high noise levels and potentially dangerous equipment. Must be able to crouch and stoop to get into areas with restricted headroom and be able to climb ladders. Meet the USCG 719K physical standard. 

Other: Must be able to work in a drug free workplace; never under the influence of mind-altering prescriptions or non-prescription drugs, including alcohol, and other drugs of abuse. 

Qualifications:

Certification: 

  • Required: 
  • Must hold a valid USCG MMC with a minimum of a 3rdAssistant Engineer Unlimited or higher 
  • Officer in Charge of Engineer Watch (III/1) 
  • Rating forming part of a watch (III/4) 
  • Able Seafarer-Engine (III/5) 
  • Basic Training (VI/1) 
  • Proficiency in the use of survival craft (VI/2) 
  • Advanced Fire Fighting (VI/3) 
  • Medical First-Aid Provider (VI/4) 
  • Vessel Personnel with Designated Security Duties/Security Awareness (VI/6) 
  • Valid TWIC 
  • Valid USCG 719k Med Cert (STCW) 
  • Valid Driver’s License 
  • Preferred: 
  • Tanker Assist (V/1-1-1 Basic Oil and Chemical Tanker Operations- Tankerman Assist / PIC-DL) 
  • Passport  
  • IADC Rig Pass / SafeGulf equivalent  
  • T-HUET (or better)  

*All qualified candidates must submit the above required documents with their application in order to be reviewedfor the position* 

Education:  

  • High School Diploma or equivalent [G.E.D.] or higher

Experience: 

  • At least 2 years of experience Offshoreor on Tankers  
  • Experience and knowledge of safety management in hydrocarbon processing operations 
  • Experience handling flammable/dangerous liquids (familiarization with bunkering/transferring of products) 
  • Preferred Experience: 
  • Prior Tanker Experience 
  • 1 year of experience in a similar roleor a Junior position handling Steam Systems 
  • Adequate knowledge and experience of offshore FPSO Marine Operations  
  • Slow Speed Diesel / Medium Speed Generator / Auxiliary Steam experience  

Reports To: 1st Assistant Engineer  

Supervisory Responsibilities: N/A 

Compensation: 

  • Competitive Day Rate 
  • Comprehensive Benefits Package 
  • Medical 
  • Dental 
  • Vision 
  • LTD 
  • STD 
  • AD&D 
  • Life Insurance 
  • 401k 
  • 28/28 Rotation 
  • Paid Travel 

Duration/Travel/Timeline Details: 10% Travel – To and from the vessel along with shoreside training 

Physical Requirements/Working Conditions/Work EnvironmentWorks both inside and outside in conditions of both high and low temperatures. May be exposed to odors, dust, dirt, mechanical hazards, high noise levels and potentially dangerous equipment. Must be able to crouch and stoop to get into areas with restricted headroom and be able to climb ladders. Meet the USCG 719K physical standard. 

Other: Must be able to work in a drug free workplace; never under the influence of mind-altering prescriptions or non-prescription drugs, including alcohol, and other drugs of abuse. 

Education:UNAVAILABLEEmployment Type: FULL_TIME