Hitachi

Diversified tech conglomerate delivering digital solutions

Welder

Welding & Metal FabricationConfirmed live in the last 24 hours

Full-timeChongqing, ChinaNo salary listedIn-person

Hold a valid special-operations certificate for welding and thermal cutting, and have basic mechanical drawing skills, including the ability to read welding symbols and weld callouts.
Be able to perform simple assembly, marking, layout, and straightening, and use common measuring tools such as steel rulers, squares, calipers, and weld-size gauges.
Independently operate at least two of the listed welding processes: shielded metal arc welding, carbon dioxide gas metal arc welding, gas tungsten arc welding, or submerged arc welding; have experience with thick plate, multi-pass, and all-position welding.
Understand welding characteristics of common materials such as Q235 and Q345 and typical transformer-tank plate thicknesses, and be able to control distortion and prevent undercut, porosity, and cracks.
Be physically fit and able to work in high-temperature, noisy, confined-space, and necessary elevated-work environments.
Be able to work rotating two-shift schedules and necessary overtime.
Have quality awareness, teamwork and communication skills, and strong execution.
Be under 40 years old; the age limit may be relaxed for applicants with more than 10 years of transformer tank welding experience.

Weld, tack, and trial-assemble transformer tank bodies, accessories, and piping according to welding procedure specifications and work instructions.
Prepare for welding by checking materials, bevels, openings, and assembly gaps; inspecting fixtures and equipment; and presetting parameters.
Select and competently use appropriate welding methods, including shielded metal arc welding, carbon dioxide gas metal arc welding, gas tungsten arc welding, and submerged arc welding, while controlling weld sequence, heat input, and distortion.
Perform post-weld processing and quality control, including weld back-gouging, grinding, visual self-inspection, coordination with nondestructive testing such as ultrasonic, penetrant, and magnetic-particle testing, and leak-tightness tests; rework defects according to defect-level requirements.
Perform routine maintenance on welding equipment and maintain 5S workplace organization, including designated storage, cleaning, inspections, and records.
Follow safe operating procedures, correctly wear and use personal protective equipment, and identify and report safety hazards.
Follow production assignments from the section or shift leader, complete production tasks on time, and coordinate with other process steps.
Complete other related work assigned by the supervisor.

Location:

Chongqing, China

Job ID:

R0133857

Date Posted:

2026-06-26

Company Name:

HITACHI ENERGY CHONGQING TRANSFORMER COMPANY LTD.

Profession (Job Category):

Production & Skilled Trades

Job Schedule:

Full time

Remote:

Job Description:

岗位名称：焊工（变压器油箱焊接/试装）

岗位职责

任职要求