USCG 3rd Assistant Engineer

Core Group Resources; Houston (TX); On-site; USD 120,000 - 180,000; Full time

Job summary

Core Group Resources is seeking a USCG-licensed 3rd Assistant Engineer for an offshore, deepwater drilling rig in the Gulf. The role focuses on monitoring, operating, and maintaining engine room systems to ensure continuous power and reliability in a demanding offshore environment.

Applicants should have offshore watchstanding experience on a DP vessel or drilling rig, with proficiency in diesel engines, generators, and auxiliary equipment, plus required safety certifications and medical

Qualifications

• Valid USCG 3rd Assistant Engineer Unlimited MMC or higher.
• USCG Medical Certificate with STCW OICEW / endorsements.
• Offshore watchstanding experience on a DP vessel, drilling rig, or similar installation.
• Working knowledge of diesel engines, generators, pumps, compressors, and auxiliary machinery.
• Deepwater drilling experience preferred.
• Current BOSIET/FOET/THUET certification.
• Valid RigPass or SafeGulf certification.
• TWIC card and U.S. Passport.

Responsibilities

• Stand engine room watch and assist with safe operation of the rig’s power plant and auxiliary machinery.
• Conduct machinery rounds, monitor operating parameters, and maintain logs.
• Identify abnormal equipment conditions and communicate issues to prevent downtime.
• Perform preventive maintenance, troubleshooting, and repairs on critical engine room systems.
• Support propulsion and thruster-related systems to ensure reliable power for drilling and hotel ops.
• Document maintenance activities and equipment history in the planned maintenance system.
• Participate in safety drills, emergency duties, and daily shift handovers.
• Collaborate with the technical team to maintain readiness and equipment reliability.

Skills

USCG license

Watchstanding

Diesel engines

Power plant ops

Safety compliance

Troubleshooting

Documentation

Rig crew coordination

Tools

RigPass

SafeGulf

TWIC

Job description

Job Summary

We are seeking a highly skilled USCG 3rd Assistant Engineer to join a deepwater semi-submersible drilling rig operating in the Gulf. This is a direct-hire opportunity designed for an experienced engineer with offshore watchstanding background and proficiency in managing large diesel-electric power plants. The role involves overseeing the safe operation, monitoring, and maintenance of the rig’s engine room systems, ensuring continuous power and operational efficiency in a demanding offshore environment. If you are ready to contribute your expertise to a dynamic team and thrive in a challenging setting, we encourage you to.

Responsibilities

• Stand engine room watch and assist with the safe operation of the rig’s power plant and auxiliary machinery.
• Conduct machinery rounds, monitor operating parameters, and maintain detailed logs.
• Identify abnormal equipment conditions and communicate issues proactively to prevent downtime.
• Perform preventive maintenance, troubleshooting, and repairs on generators, pumps, compressors, purifiers, fuel and lube oil systems, cooling water systems, HVAC, freshwater systems, and other engine room equipment.
• Support maintenance of propulsion and thruster-related systems to ensure reliable power for drilling, marine, and hotel operations.
• Document maintenance activities and equipment history accurately through the planned maintenance system.
• Participate in safety drills, emergency duties, and daily shift handovers to uphold safety standards.
• Collaborate with the technical team to maintain operational readiness and equipment reliability.

Requirements

• USCG 3rd Assistant Engineer Unlimited MMC or higher.
• Valid USCG Medical Certificate with STCW OICEW / applicable STCW engineering endorsements.
• Previous engineering watchstanding experience on a DP vessel, drilling rig, or similar offshore installation.
• Working knowledge of diesel engines, generators, pumps, compressors, and auxiliary machinery.
• Deepwater drilling experience is highly preferred.
• Current BOSIET, FOET, or THUET certification.
• Valid RigPass or SafeGulf certification.
• TWIC card and U.S. Passport.
• Ability to obtain required foreign flag-state endorsement.
• Must meet all offshore medical, training, and pre-employment requirements.

Take the next step in your offshore engineering career by joining a dedicated team committed to safety and operational excellence. to become a vital part of this challenging and rewarding environment.