Mixed-Gas Diver & Tender — Inland​/Marine Construction

Position Overview

Global is currently seeking experienced Mixed-Gas Divers (Heliox/Oxygen) in Austin, TX. This position supports inland and marine construction projects requiring advanced diving techniques, including mixed-gas operations.

Position Overview

Global is currently seeking experienced Mixed-Gas Divers (Heliox/Oxygen) in Austin, TX. This position supports inland and marine construction projects requiring advanced diving techniques, including mixed-gas operations.

This project will include both experienced mixed-gas divers and highly capable surface-supplied commercial divers. Mixed-gas experience is preferred; strong divers without mixed-gas certification will be considered for support and standby roles, with opportunities for advancement on high-performance and project-appropriate candidates.

The Diver/Tender will work in compliance with all applicable safety regulations and company procedures and will report directly to the Regional Dive Operations Manager.



Job Responsibilities

• Set up, inspect, and break down dive systems, including mixed-gas (Heliox) equipment and support systems
• Understand and operate surface-supplied and mixed-gas diving systems, including gas management and decompression procedures
• Ensure full understanding of dive plans, including depth, bottom time, gas mixtures, and decompression obligations
• Assist with topside construction and support work as directed
• Assist divers with dressing/undressing and equipment checks
• Monitor and tend diver umbilicals continuously, maintaining awareness of diver location and status at all times
• Verify proper function of all diver life-support systems prior to dive operations
• Identify, report, and document equipment faults, hazards, near misses, and incidents
• Monitor for and respond to symptoms of decompression sickness (DCS), oxygen toxicity, and inert gas narcosis
• Maintain clear communication with dive supervisor and team during all operations
• Properly complete dive logs, gas logs, and all required regulatory and company documentation
• Perform duties as Diver, Standby Diver, or Tender as assigned
• Maintain and inspect diving and mixed-gas equipment, including regulators, bailout

• Ensure all personal diving equipment is properly certified and operational
• Report any medical issues or recent treatments affecting fitness to dive
• Maintain accurate diver logbook and obtain supervisor sign-off after each dive
• Read, understand, and comply with all company policies and applicable federal, state, and industry regulations

• High School Diploma or GED (or equivalent)

• Demonstrated experience with mixed-gas (Heliox) diving operations
• Strong understanding of decompression theory, dive tables, and dive computer use
• Working knowledge of surface-supplied diving systems and support equipment
• Graduate of a commercial diving program accredited by ACDE, ADCI, or a recognized equivalent
• Legally authorized to work in the United States

• 5+ years of commercial diving experience
• Mixed-gas (Heliox) diving experience strongly preferred
• 5+ years of construction or heavy civil/marine construction experience

• Valid ADCI Diver Certification (Supervisor certification preferred for senior roles)
• Mixed-Gas / Heliox training or certification
• Oxygen Provider (DAN or equivalent)
• Nitrox / Enriched Air Certification
• First Aid / CPR / AED
• 40-Hour HAZWOPER
• OSHA 10 or 30 Construction Certification
• TWIC Card (or ability to obtain)
• Current commercial diving physical (or ability to pass)
• Current certifications for all diver-owned equipment
• Recent dive logs (last four required at time of application)

• Valid driver’s license and proof of insurance
• Ability to provide a three-year driving record
• Must pass pre-employment drug screening and background check

• Ability to wear commercial diving gear (25–30 lbs helmet/hat) for extended durations
• Ability to lift 50 lbs repetitively
• Ability to work in confined spaces and low-visibility environments
• Ability to work in extreme weather and water conditions

• Project
  
  Schedule:
  
  6 days per week, minimum 10-hour…