3rd Assistant Engineer – Marine

ConocoPhillips

. Work under the direction of the Chief Engineer and 1st Assistant Engineer .

Posted 11/5/2026full-timeHouston • Texas • United StatesJuniorWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in maintaining and operating marine engineering systems, including diesel-powered generators, electric motors, and air compressors. Holds relevant certifications and endorsements, ensuring compliance with safety protocols and operational efficiency.

Highest-signal resume keywords

Marine Engineering DegreeGenerator Maintenance ExperienceAir Compressor Maintenance ExperienceMerchant Mariner Credential (MMC)Transportation Workers Identification Card (TWIC)

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Diesel Generator MaintenanceElectrical WorkLube Oil System MaintenanceInsulation Resistance TestingPump MonitoringEmergency Response ParticipationConfined Space EntryEquipment MaintenanceSafety Protocol CompliancePhysical Labor Capabilities

Soft Skills

Effective CommunicationProblem-Solving AbilityCollaboration SkillsOrganizational SkillsAbility to Follow Instructions

Certifications & Qualifications

Officer In Charge Of An Engineering Watch (OICEW)Able Seafarer – EngineRating Forming Part Of An Engineering Watch (RFPEW)Proficiency In Survival Craft & Rescue Boats (PSC)Medical First-Aid ProviderAdvanced Fire FightingBasic TrainingVessel Personnel With Designated Security Duties (VPDSD)Security AwarenessThird Assistant Engineer – Motor

Industry Keywords

Marine EngineeringShip OperationsSafety RegulationsPollution PreventionEmergency DrillsVessel MaintenanceTankerman EngineerAdvanced Oil Tanker Cargo Operations

About the role

Key responsibilities & impact

Work under the direction of the Chief Engineer and 1st Assistant Engineer
Safely and efficiently operate the entire engineering plant
Maintain diesel-powered electrical generators
Maintain electric motors
Maintain air compressors
Maintain lube oil purifiers
Maintain main engine and stern tube lube oil systems
Perform all electrical work aboard the ship
Participate in all drills and emergencies
Assist with enforcement of rules, procedures, regulations, and pollution prevention
Test and record insulation resistance through megger testing
Collect monthly lube oil samples from all machinery
Work aloft
Check pumps and machinery during rounds
Monitor activities from the engine control room
Work 12 hours per day and remain on call 24 hours/day for emergencies

Requirements

What you’ll need

Legally authorized to work in the United States
Currently hold, or have the ability (with or without reasonable accommodation) to obtain, a U.S. Passport
Transportation Workers Identification Card (TWIC)
Merchant Mariner Credential (MMC)
Currently hold MMC endorsements: Officer In Charge Of An Engineering Watch (OICEW), Able Seafarer – Engine, Rating Forming Part Of An Engineering Watch (RFPEW), Proficiency In Survival Craft & Rescue Boats (PSC), Medical First-Aid Provider, Advanced Fire Fighting, Basic Training, Vessel Personnel With Designated Security Duties (VPDSD), Security Awareness, Third Assistant Engineer – Motor, QMED (Any Rating), and Lifeboatman
Willing and able to be away from home for periods in excess of two months
Able to push/pull up to 200 pounds
Able to lift/carry up to 100 pounds from floor to shoulder
Able to lift from floor to overhead and transport articles weighing up to 50 pounds
Able to climb ladders and stairs ranging from 5 to 200 feet in height
Able to climb a rope pilot ladder to join or depart the vessel
Able to perform maintenance on equipment
Able to physically attend to vessels, including confined space entry and environmental extremes
Able to work outdoors in varying weather conditions and temperature extremes
Able to work alone a high percentage of the time
Bachelor's degree or higher in Marine Engineering or foreign equivalent (preferred)
1 or more years of experience in generator maintenance (preferred)
1 or more years of experience working on air compressors (preferred)
1 or more years of direct experience sailing as a cadet on a tanker/ship (preferred)
1 or more years of direct experience sailing as an officer (preferred)
Preferred MMC endorsements: Tankerman Engineer and Advanced Oil Tanker Cargo Operations
Good written, verbal, and communication skills
Ability to learn material needed to be successful in the role
Satisfactory completion of certification exams
Ability to collaborate and work well with peers
Ability to clearly follow written and verbal instructions
Ability to apply common sense according to company operating procedures and safety protocols
Organized, efficient, and methodical problem-solving ability
Willing and able to work 12 hours per day, not more than 15 hours per day
Willing and able to be on call 24 hours/day for emergencies

Benefits

Comp & perks

Paid leave accrued at one day worked onboard for one day of paid leave; normal tours are 60 days onboard and 60 days paid leave
Medical, dental, vision, mental health support, and wellness programs
Competitive base pay
Annual performance bonuses
Retirement savings plans
Paid time off
Paid parental leave
Family support resources
Training and mentoring
Internal career mobility tools
Peer-nominated awards
Employee resource groups
Inclusive culture