LNG Cryogenic Operations Supervisor

National Grid plc; Lowell (MA); On-site; USD 80,000 - 100,000; Full time

Job summary

National Grid in Lowell, MA, seeks a Senior Technician Supervisor, LNG for its Gas Network Operations. This role maintains LNG tanker trailers, vaporizer units, and related equipment to ensure reliability and safe operation across the LNG fleet.

You will monitor equipment performance, maintain records, mentor Cryogenic Technicians, and coordinate with third-party services in a fast-paced onsite environment.

Qualifications

• Minimum of 3 years of experience in tank truck inspection and maintenance.
• 2+ years of experience within the LNG industry preferred.
• Current Cargo Tank Test, Inspection, and Repair Facility Interactive Workshop Certification required.
• Demonstrated supervisory, leadership, and organizational skills with the ability to lead teams toward goals.
• Strong technical aptitude, including AC/DC electrical systems and TIG/MIG welding.

Responsibilities

• Supervise portable pipeline service operations and LNG transportation activities.
• Ensure safety, regulatory compliance, and cryogenic integrity of LNG trailer fleet and equipment.
• Oversee equipment maintenance, testing, inspections, inventory management, and third-party service coordination.
• Respond to emergency incidents and conduct vehicle audits to support safe operations.
• Lead and monitor safety-sensitive work while supervising up to six union mechanics.
• Foster strong working relationships with internal teams, customers, and external service partners.

Skills

Tank truck inspection

LNG industry experience

Supervisory experience

AC/DC electrical systems

TIG welding

MIG welding

CDL Class A Tanker/Hazmat

DOT regulations

Job description

National Grid in Lowell, MA, seeks a Senior Technician Supervisor, LNG for its Gas Network Operations. This role maintains LNG tanker trailers, vaporizer units, and related equipment to ensure reliability and safe operation across the LNG fleet.

You will monitor equipment performance, maintain records, mentor Cryogenic Technicians, and coordinate with third-party services in a fast-paced onsite environment.