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Third 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

... 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

... 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 ...

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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Third Assistant Engineer information

See Spring, TX salary details

$29.4K

$79K

$119.7K

How much do third assistant engineer jobs pay per year?

As of Aug 21, 2026, the average yearly pay for third 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 third assistant engineer?

A Third Assistant Engineer (3AE) is an entry-level licensed officer in a ship's engineering department. They are responsible for monitoring and maintaining various mechanical and electrical systems, including the engine room, boilers, pumps, and generators. They assist senior engineers in troubleshooting technical issues and ensuring the vessel's machinery operates efficiently and safely. The 3AE typically stands watch, performing routine inspections and responding to any mechanical alarms or malfunctions. This role is essential to the overall operational efficiency of the ship and requires mechanical expertise, problem-solving skills, and adherence to safety protocols.

What are the key skills and qualifications needed to thrive as a third assistant engineer?

To thrive as a Third Assistant Engineer, a solid background in marine engineering, mechanical systems, and an appropriate engineering license (such as STCW or USCG endorsement) are essential. Familiarity with engine room equipment, shipboard safety systems, and maintenance management software is typically required. Exceptional teamwork, communication, and a strong attention to detail help candidates stand out in this supportive engineering position. These skills ensure the safe, efficient operation of vessel machinery and contribute to smooth onboard collaboration and regulatory compliance.

What are the typical career advancement opportunities for a third assistant engineer?

As a Third Assistant Engineer, your role forms the foundation for advancing to more senior engineering positions on board, such as Second Assistant Engineer, First Assistant Engineer, and eventually Chief Engineer. Demonstrating reliability, technical competence, and leadership in this entry-level licensed role can lead to promotions as you gain more sea time, experience, and additional certifications. Many employers also provide training and mentorship programs to help engineers develop their skills and progress within maritime engineering. Advancement often comes with greater responsibilities, higher pay, and the opportunity to oversee larger engineering teams and more complex systems.

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Third Assistant Engineer jobs near you
Infographic showing various Third Assistant Engineer job openings in Spring, TX as of August 2026, with employment types broken down into 88% Full Time, 8% Part Time, and 4% Contract. Highlights an 100% In-person 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 6 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