Senior Technician Supervisor, Liquefied Natural Gas (LNG) Operations

About us

TransGas is hiring a Senior Technician Supervisor, LNG for our Gas Network Operations teams in Lowell, MA.

Every day we deliver safe and secure energy to homes, communities, and businesses. We are there when people need us the most. We connect people to the energy they need for the lives they live. The pace of change in society and our industry is accelerating, and our expertise and track record put us in an unparalleled position to shape the sustainable future of our industry.

To be successful, we must anticipate the needs of our customers, reducing the cost of energy delivery today and pioneering the flexible energy systems of tomorrow. This requires us to deliver on our promises and always look for new opportunities to grow, both ourselves and our business.

Job Purpose

The Cryogenic Technician reports to the Director of Fleet and Pipeline and is responsible for maintaining the physical condition, reliability, and safe performance of over-the-road Liquefied Natural Gas (LNG) tanker trailers, vaporizer units, and related equipment. This role monitors equipment performance, maintains required records, trains and mentors Cryogenic Technicians, and oversees portable pipeline operations.

Key Accountabilities

• Supervise portable pipeline service operations and LNG transportation activities.
• Ensure the safety, regulatory compliance, and cryogenic integrity of the LNG trailer fleet and associated equipment.
• Oversee equipment maintenance, testing, inspections, inventory management, and third-party service coordination.
• Respond to emergency incidents and conduct vehicle audits to support safe and reliable 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.

Qualifications

• Minimum of 3 years of experience in tank truck inspection and maintenance required.
• 2 or more 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 effectively lead teams toward shared goals and objectives.
• Strong technical aptitude, including experience with AC/DC electrical systems and proficiency in TIG and MIG welding.

• Perform physically demanding mechanical work in shop and outdoor field environments across all seasons and weather conditions.

• Requires prolonged standing, walking, bending, kneeling, crouching, and crawling during inspections and repairs.

• Working knowledge of metal fabrication techniques and equipment.
• Experience using testing tools, gauges, and associated setup and calibration procedures.
• Thorough understanding of DOT cargo tank regulations and compliance requirements.
• Valid CDL Class A Commercial Driver’s License with Tanker and Hazmat endorsements required.
• Proficient in Microsoft Windows operating systems and Microsoft Office Suite applications.
• Experience utilizing TGMS trucking software preferred.
• Knowledge of work order management processes and systems.
• Experience maintaining and processing parts inventory and related data records.
• Current Flammable Gas Firefighting Certification preferred or required, as applicable.
• This is an onsite position with no remote work option.

More Information

Salary

$80k - $100k a year

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National Grid will not be providing visa sponsorship for this position now or in the future. You must have the ability to work without a need for current or future visa sponsorship.

National Grid utilizes an assessment that evaluates the job qualifications/characteristics using AI or statistically based scoring. For more information, please view NYC Local Law 144.

This position has a career path which provides for advancement opportunities within and across bands as you develop and evolve in the position; gaining experience, expertise and acquiring and applying technical skills. Candidates will be assessed and provided offers against the minimum qualifications of this role and their individual experience.

National Grid is committed to providing equal employment opportunities to all employees and applicants for employment regardless of protected class. We do not discriminate on the basis of race, color, religion, sex (including pregnancy, gender identity, and sexual orientation), national origin, age, disability, genetic information, or any other protected status in accordance with applicable federal, state, and local laws. National Grid maintains affirmative action programs for individuals with disabilities and protected veterans.

Our employment practices are designed to ensure that all individuals are treated fairly and with respect throughout the hiring process and during employment. National Grid complies with all applicable federal, state, and local anti-discrimination laws. We are dedicated to fostering a workplace that is free from unlawful discrimination and harassment, and we encourage a culture of respect for all.