Mechanic III - Maintenance

Gulf Stream Marine•Port Brownsville, TX

About The Position

The Gulf Stream Marine Mechanic III role represents senior technical expertise and leadership within the Maintenance job family. Responsibilities include advanced troubleshooting, complex repairs, welding and fabrication, crane maintenance, and mentoring junior mechanics.

Requirements

High school diploma or equivalent required; technical certification preferred.
Minimum 3–5 years of experience in crane or heavy equipment maintenance.
Advanced knowledge of electrical/electronic systems, PLC programming, and diagnostics.
Ability to read and interpret schematics, service manuals, and technical drawings.
Familiarity with mechanical, hydraulic, and pneumatic systems.
Valid driver’s license and ability to meet company insurability standards.
TWIC card required or ability to obtain.
Ability to read, write, and speak English; bilingual (English/Spanish) preferred.
Ability to work at heights over 150’ and in awkward positions.
Frequent climbing of crane ladders and staircases.
Ability to lift tools and equipment to 60 lbs.
Exposure to outdoor elements (heat, rain, cold) and hazardous environments.
Must wear required PPE (hard hat, eye/ear protection, etc.).
Ability to work extended hours, weekends, and holidays as needed.
Occasional travel may be required (approximately 10%).

Nice To Haves

bilingual (English/Spanish) preferred
technical certification preferred

Responsibilities

Includes all Level 1 & Level 2 Duties: Fueling, inspections, preventive maintenance, and minor repairs.
Complex mechanical repairs (hydraulic, pneumatic, brakes, hubs, drive/steer assemblies).
Advanced troubleshooting across mechanical, electrical, electronic, PLC, hydraulic, and pneumatic systems.
Use diagnostic tools and software (Cummins, Volvo, PLC systems).
Perform PLC programming and troubleshooting.
Interpret electrical, hydraulic, and pneumatic schematics for complex repairs.
Diagnose root causes and recommend system improvements.
Restore equipment to OEM specifications and operational standards.
Conform to all safety rules and regulations.
Read electrical schematic diagrams and service manuals; analyze and investigate electrical faults.
Determine causes of failure for electrical/electronic components of crane equipment.
Perform electrical/electronic maintenance and repair services for mobile cranes.
Disassemble units and inspect equipment for defects.
Replace/repair/adjust major electrical/electronic parts, including PLC drive control systems and communication drive systems.
Submit routine and critical inspection reports; ensure all paperwork is accurate and up to date.
Maintain tidiness and cleanliness of workshop facilities and equipment.
Provide daily activity reports and other written reports on equipment status.
Perform welding and flame-cutting per work orders, layouts, or blueprints.
Fabricate and repair damaged equipment and cargo.
Read and interpret schematics and blueprints for fabrication projects.
Ensure weld quality and compliance with safety standards.