SubArc Welder - 2nd Shift

Sub Arc Welder - 2nd Shift

Department: Operations

Reports To: Weld Lead

Location: On‑Site in Jacksonville, FL

Shift Availability: 2nd Shift

FLSA Status: Non‑Exempt

Updated: 10.31.25

Aqueous Vets® (AV®) is seeking talented, capable applicants to fill several key roles for our growing organization.

Aqueous Vets (AV) is a leading vertically integrated manufacturer and supplier of treatment systems designed to remove PFAS and other contaminants of emerging concern (CECs) from groundwater and drinking water, protecting our health and the environment. As a trusted industry leader, AV pairs its team of seasoned engineers and water industry professionals with an innovative, entrepreneurial approach to creating cutting‑edge solutions for each end user.

From concept to commission, AV’s turnkey solutions encompass a full range of capabilities, including design, manufacturing, installation, commissioning, and exemplary, long‑term customer service. A proud member of the Bain Double Impact family, AV is passionate about ensuring sustainable social and environmental impact in the communities it serves. To learn more, visit

The Sub Arc Welder performs specialized welding using submerged arc welding (SAW) processes to join, fabricate, and repair steel pressure vessels, tanks, and related components in accordance with ASME Section VIII and AV’s quality and safety standards. This position requires strong technical ability, attention to detail, and a commitment to producing high‑quality, code‑compliant welds in a fast‑paced manufacturing environment.

• Perform Submerged Arc Welding (SAW) operations on pressure vessels, tanks, and structural components according to blueprints, drawings, and ASME code requirements
• Set up and operate welding machines, including calibration of wire feed, voltage, current, and travel speed.
• Inspect joints, fit‑ups, and root openings prior to welding to ensure compliance with specifications.
• Perform pre‑ and post‑weld cleaning, grinding, and preparation as required.
• Monitor weld bead characteristics and make adjustments to maintain weld quality and uniformity.
• Conduct routine maintenance and checks on welding equipment to ensure safe and efficient operation.
• Collaborate with Fitters and Weld Leads to identify and resolve weld‑related issues.
• Follow and maintain documentation per AV’s ASME Quality Control Manual and company welding procedures (WPS/PQR).
• Adhere to all AV safety policies, including the use of appropriate PPE and participation in safety audits.
• Assist with training and mentoring entry‑level welders or apprentices as assigned.
• Perform additional fabrication or shop duties as directed by the supervisor.

• Proficient in Sub Arc welding, including single and multi‑pass welds on thick‑wall pressure vessels.
• Familiarity with Flux‑Cored Arc Welding (FCAW) and Gas Metal Arc Welding (GMAW) processes a plus.
• Ability to read and interpret blueprints, welding symbols, and shop drawings.
• Strong understanding of welding metallurgy, filler materials, and heat input control.
• Skilled in using welding tools, jigs, positioners, and measuring instruments (tape measures, calipers, etc.).
• Excellent attention to detail and ability to maintain high‑quality standards.
• Reliable, self‑motivated, and committed to working safely and efficiently.
• Demonstrates a strong commitment to the company’s social and environmental mission by promoting sustainable practices, fostering an inclusive work environment, and consistently prioritizing health and safety in all aspects of their role.

The physical demands described herein are representative of those that must be met by an employee to successfully perform the essential functions of this job. Reasonable accommodation may be made to enable individuals with disabilities to perform the essential functions.

While performing the duties of this job, the employee is regularly required to stand, walk, and use hands to handle, reach, and operate welding equipment. The employee frequently lifts and moves up to 50 pounds. Vision requirements include close vision, color recognition, depth…