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3Rd Assistant Engineer Jobs in Spring, TX (NOW HIRING)

Transocean Ltd.

3rd Assistant Engineer

Houston, TX · On-site

Complete company training requirements for the 3rd Assistant Engineer job level as per the training matrix, including in local/regulatory requirements. * If applicable, the duties and ...

ConocoPhillips

Utility - Marine

Houston, TX · On-site

... third-party vessels as necessary. The tankers deliver oil from Valdez, Alaska, to refineries ... When assigned to the engine department, under direction of the First Assistant Engineer ...

ConocoPhillips

Oiler - Marine

Houston, TX · On-site

... third-party vessels as necessary. The tankers deliver oil from Valdez, Alaska, to refineries ... Assistant Engineer and the Junior Engineer. The Oiler must have a good understanding of all Engine ...

ConocoPhillips

Oiler - Marine

Houston, TX · On-site

... third-party vessels as necessary. The tankers deliver oil from Valdez, Alaska, to refineries ... Assistant Engineer and the Junior Engineer. The Oiler must have a good understanding of all Engine ...

ConocoPhillips

Oiler - Marine

Houston, TX · On-site

... third-party vessels as necessary. The tankers deliver oil from Valdez, Alaska, to refineries ... Assistant Engineer and the Junior Engineer. The Oiler must have a good understanding of all Engine ...

TC Energy

Pipeline Crossings Engineer

Houston, TX · On-site

Evaluate third-party activities and provide engineering recommendations to protect pipeline ... * Assist in resolving technical issues and developing practical engineering solutions. * Support ...

Warehouserack.Com

Structural Engineer

Houston, TX · On-site

... * Assist project managers with installation quote inquiries and provide solution recommendations * Collaborate with third-party engineering services and product providers to integrate external ...

McDermott

LUT- Senior Riser Engineer

Houston, TX · On-site

$99K - $137K/yr

Participate in internal, Customer, and third-party technical audits on engineering deliverables and vendor documents * Assist Lead Engineer with responses to Customer and other agencies (such as ...

Lutech Resources

LUT- Senior Riser Engineer

Houston, TX · On-site

$99K - $137K/yr

Participate in internal, Customer, and third-party technical audits on engineering deliverables and vendor documents * Assist Lead Engineer with responses to Customer and other agencies (such as ...

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3Rd Assistant Engineer information

See Spring, TX salary details

$29.4K

$79K

$119.7K

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

As of Aug 24, 2026, the average yearly pay for 3rd assistant engineer in Spring, TX is $78,981.00, according to ZipRecruiter salary data. Most workers in this role earn between $62,700.00 and $93,000.00 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 Spring, TX?

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

What job categories do people searching 3Rd Assistant Engineer jobs in Spring, TX look for?

The top searched job categories for 3Rd Assistant Engineer jobs in Spring, TX are:

What cities near Spring, TX are hiring for 3Rd Assistant Engineer jobs?

Cities near Spring, TX with the most 3Rd Assistant Engineer job openings:

3Rd Assistant Engineer jobs near you
Infographic showing various 3Rd Assistant Engineer job openings in Spring, TX as of August 2026, with employment types broken down into 2% As Needed, 79% Full Time, 16% Part Time, 1% Temporary, and 2% Contract. Highlights an 98% Physical, 1% Hybrid, and 1% Remote job distribution, with an average salary of $78,981 per year, or $38 per hour.

3rd Assistant Engineer

Transocean Ltd.

Houston, TX • On-site

Full-time

Re-posted 9 days ago

Job description

Offshore Maintenance Group
Transocean is focused on being the employer of choice for the drilling industry.
We are challenging ourselves every day to push the performance of the company through technological advances and passion for our work.
Job Summary
Assist in maintaining and repairing mechanical, pneumatic and hydraulic equipment onboard the vessel.
Job Description
REPORTING:
Reports to 2nd Assistant Engineer
SUPERVISION:
Supervises Motor Operator
PRE-REQUISITE/QUALIFICATION:
  • High School Diploma (U.S.)/ Proof of Completion of Formal Education or Relevant Craft Certificate (where applicable)
  • Successful Military Discharge - Preferred for U.S.
  • Graduate of Trade School or University where knowledge and training acquired are applicable to job requirements - Preferred
  • Valid medical examination and vaccination certificates
  • Basic computer skills
  • Valid 3rd Engineer Unlimited License (Class 3 Motor above 3000kW)
  • Valid medical examination and vaccination certificates Knowledge of technical calculations required for mechanical operations

GENERAL REQUIREMENTS:
  • Promotes a Safe and Respectful Work Environment: Proactively promotes and Maintains a healthy respect for open and transparent dialogue between all levels of personnel.
  • Demonstrates care for the safety and well-being of all personnel, at all times. Invests in each person to provide equal opportunity for development and advancement of those qualified, to fulfill their career objectives. Respects the dignity of all personnel and recognizes their merit.
  • Attend and participate in all required Safety and Operational meetings.
  • Participate fully in the annual performance appraisal process, competency assessments based on performance against Operational Discipline requirements.
  • Complete company training requirements for the 3rd Assistant Engineer job level as per the training matrix, including in local/regulatory requirements.
  • If applicable, the duties and responsibilities in the safety case for this position must be observed.
  • Full participation in emergency drills and respond to emergency situations as per assigned duties on the station bill.

OPERATIONAL DISCIPLINE REQUIREMENTS:
  • Disciplined application and participation in the Task Planning & Risk Assessment Process.
  • This is inclusive of:
  • Understanding and perform the roles and responsibilities as assigned at the pre-job meeting.
  • Understanding the hazards associated with the task.
  • Understanding and effectively implementing the control measures required to mitigate identified hazards.
  • Execute all tasks and task steps in a disciplined manner, following the sequence detailed in the relevant procedures.
  • Recognize at risk behavior or conditions during tasks and call 'Time out for Safety' when unsure, or when the job does not go as planned.
  • Participate in After Action Reviews to feedback lessons learned from performing the task.

HSE REQUIREMENTS:
  • Protect personnel, the environment, and assets by eliminating hazards and reducing health and safety risks.
  • Understand Company OI & HSE requirements applicable to the job position.
  • Execute work in accordance with Company OI & HSE requirements.
  • Call a Time Out when a real or perceived at risk behavior or unsafe condition is observed.
  • Use WorkSight ENGAGE during the execution of planned work.
  • Report all incidents, potential hazards, or abnormal situations to a supervisor.
  • Incorporate the Control of Work process into all work, whether working alone or as part of a team.
  • Understand and implement major accident barriers / controls applicable to the job position.
  • Maintain a safe and organized work area throughout and on completion of all work.
  • Understand your role in an emergency, as designated in the Emergency Response Plan and Station Bill.
  • Participate in all emergency drills and exercises, as required.

DUTIES:
The underlying expectation is that all duties are carried out in compliance with the Company Operational Discipline expectations and HSE requirements. When considering assignment of duties for the 3rd Assistant Engineer, the Supervisor and the 3rd Assistant Engineer will apply the rules of task planning (CAKES) to determine if the assigned role is appropriate. This means confirming that the individuals involved have the knowledge, skills, and experience to carry out the task, and the task plan complies with policy before they are authorized to proceed.
GENERAL DUTIES:
Operations/Maintenance:
  • Ensure conformance to Company policies, local and international regulations relating to the operation of the rig, and current pollution regulations.
  • Perform daily inspections and maintenance on mechanical equipment.
  • Ensure compliance with the AIM (Asset & Inventory Management) system and ensure all records are maintained on a timely basis.
  • Carry out periodic maintenance according to AIM guidelines and coordinate that maintenance with supervisors and other department heads.
  • Ensure that reports for repair and maintenance of equipment are accurate and complete.
  • Assist with maintenance and repair of power plants, cooling water system, lube oil system, and fuel system.
  • Assist in troubleshooting and repairing faulty mechanical, pneumatic and hydraulic drilling equipment and tools.
  • Assist in maintaining marine equipment, i.e. cranes, thrusters, ballast pumps and valves, auxiliary equipment, etc.
  • Apply the permit to work and isolation systems as required.
  • Assist in implementing outstanding recommendations from audits, as issued by Clients, Regulatory Authorities or rig management.
  • In conjunction with the Second Engineer, monitor and control the use and distribution of consumables/materials; generate requisitions as required.
  • Assist in ensuring that all third-party equipment is fit for purpose, certified, correctly installed, and maintained while on the rig.
  • Ensure that service, maintenance and other operational reports are accurate and complete.
  • Inform supervisor and other department heads of any technical problems or limitations that may affect the safe operation of the rig.
  • Carry out classification society surveys as part of continuous survey of machinery.

Personnel:
  • Promote and maintain good working relationships with other departments, third-party personnel and Customer representatives.
  • Ensure all Maintenance personnel meet the training requirements as per their applicable training matrix.
  • Mentor, coach, develop and train crew members to ensure they are competent to work at their next job level.
  • Provide leadership and motivation to the maintenance crews. Apply continuous improvement process.
  • Mentor the Motor Operator and deputize when operations, security of well, and personnel safety are not at risk.
  • Assist in training to ensure that all personnel are competent to perform their allocated jobs.
  • Participate fully in the annual performance appraisal process.
  • Apply appropriate accountability regarding recognition;

If you want to push yourself to great achievement, let Transocean develop your career.

Apply