Third Assistant Engineer

Oil Authority; San Ramon (CA); On-site; USD 133,000 - 163,000; Full time

Job summary

Chevron USA - Marine is accepting online applications for a Third Assistant Engineer on the US Flag fleet. A USCG Third Assistant Engineer license, Merchant Mariner Document, Passport and TWIC are required along with multiple safety certifications.

The role involves overseeing engine department watch duties, supervising stores loading, and ensuring PPE and regulatory compliance. Pre-employment screening applies; relocation is not offered. Travel and duty rotations follow vessel schedules.

Qualifications

• USCG Third Assistant Engineer license for Motor Vessels of any horsepower.
• Merchant Mariners Document.
• Passport and TWIC (Transportation Worker Identification Credential).
• Advanced Firefighting Certificate.
• Basic Safety Training.
• VPDSD.
• Tankerman endorsement.

Responsibilities

• Oversee engine department watch- standing duties and machinery control.
• Supervise loading of engine stores, bunkers, and water.
• Ensure PPE compliance and safe working practices in the engine room.
• Supervise unlicensed personnel (machinist and utility).
• Maintain and troubleshoot engine room equipment; perform preventive maintenance.

Skills

Marine operations

Watchstanding

Safety compliance

Education

USCG Third Assistant Engineer license

Merchant Mariner Document

Advanced Firefighting Certificate

Basic Safety Training

VPDSD

Tankerman endorsement

Job description

Responsible for operating and maintaining vessel propulsion plant and related auxiliary machinery, cargo handling systems, deck machinery and hotel systems onboard "engineers"; may or may not actually have engineering degree, but addresses technical working of ship.

Chevron USA - Marine is accepting online applications for the position of Third Assistant Engineer located on one of their US Flag fleet of vessels through November 29th, 2026, at 11:59 p.m. (PST).

Applicants must hold a current United States Coast Guard License (Motor vessels of any horsepower), Merchant Mariner Document, Passport, and Transportation Worker Identification Credential (TWIC). The general guideline for vessel assignment length is 75 days for licensed officers. Vacation will accrue at 30 days for each 30 days of work.

Responsibilities for this position may include but are not limited to:

• Handles engine department watch standing duties, which includes supervision and control of vessel’s machinery and equipment.
• Oversees the loading of engine department stores, bunkers and water.
• Ensures that all personnel working within the engine room comply with PPE requirements and supervisor’s safety instructions so that safe working practices are adhered to.
• Supervise and assist unlicensed personnel (machinist and utility).
• Responsible for routine maintenance and troubleshooting of engine room equipment, inspecting equipment for the need of preventative maintenance and determining requirements. Conducts routine maintenance on a variety of systems, including (but not limited to) pneumatics, hydraulics, mechanical and electrical.
• Performs any other marine related duties as required by STCW, ISM and ISPS conventions and Chevron operational procedures to ensure the safety of the vessel, its crew and cargo.
• Attends all required classes required by STCW, ISM, ISPS and Chevron to maintain valid certificates of competency.
• Participates in and furthers company programs such as Behavior Based Safety, near miss reporting and Job Safety Analysis.
• One year service as a licensed engineer on vessels requiring unlimited horsepower.
• Working knowledge of USCG and international regulations such as MARPOL, SOLAS and ISGOTT.

Minimum License and Endorsement Requirements:

• USCG Third Assistant Engineer of Motor Vessels of any horsepower.

Required Qualifications:

• Merchant Mariners Document
• Advanced Firefighting Certificate
• Basic Safety Training
• VPDSD
• Tankerman endorsement

Pre-employment screening consists of:

• Physical and Functional capacity evaluation examination, including DOT drug testing
• Background check

Relocation Options:

Relocation will not be considered within Chevron parameters.

International Considerations:

Expatriate assignments will not be considered.

Chevron regrets that it is unable to sponsor employment Visas or consider individuals on time-limited Visa status for this position.

Regulatory Disclosure for US Positions:

Chevron is an Equal Opportunity / Affi

Chevron is an Equal Opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religious creed, sex (including pregnancy), sexual orientation, gender identity, gender expression, national origin or ancestry, age, mental or physical disability, medical condition, reproductive health decision-making, military or veteran status, political preference, marital status, citizenship, genetic information or other characteristics protected by applicable law.

We are committed to providing reasonable accommodations for qualified individuals with disabilities. If you need assistance or an accommodation, please email us at [e-mail].

Chevron participates in E-Verify in certain locations as required by law.

Important Information

• The compensation for this role is listed on this posting in compliance with applicable law. The selected candidate’s compensation will be determined based on his or her skills, experience, and qualifications. Please note that the compensation listed below are only applicable to successful candidates who are hired onto local United States payroll.

• The anticipated fixed salary for this position is $ 148,279.00

U.S. Regulatory notice:

Chevron is an Equal Opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religious creed, sex (including pregnancy), sexual orientation, gender identity, gender expression, national origin or ancestry, age, mental or physical disability, medical condition, reproductive health decision-making, military or veteran status, political preference, marital status, citizenship, genetic information or other characteristics protected by applicable law.

Chevron is an Equal Opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religious creed, sex (including pregnancy, childbirth, breast-feeding and related medical conditions), sexual orientation, gender identity, gender expression, national origin or ancestry, age, mental or physical disability (including medical condition), military or veteran status, political preference, marital status, citizenship, genetic information or other status protected by law or regulation.

We are committed to providing reasonable accommodations for qualified individuals with disabilities. If you need assistance or an accommodation, please email us at [e-mail].

Chevron participates in E-Verify in certain locations as required by law.