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  • $60 - $75 per hour

     ...Perform pipe cutting, threading, grooving, brazing, soldering, and welding as required Conduct pressure testing and assist with system...  ...as a Pipefitter, preferably in commercial mechanical construction ~ Strong knowledge of hydronic heating and cooling systems... 
    Suggested
    Hourly pay

    Vertical Mechanical Group Inc

    Washington DC
    11 days ago
  •  ...delivering Information Technology, Management Consulting, and General Construction solutions to the Federal Government along with the Commercial...  ...team. The ideal candidate will have experience of welding mechanical piping systems and working on commercial or industrial... 
    Suggested
    Full time

    Puyenpa Services LLC

    Arlington, VA
    6 days ago
  •  ..., Inc. (AICI-SP) has established itself as one of the leading construction firms in the Department of State, Overseas Building Operations...  ...trade JOB REQUIREMENTS: ~ Structural Welder with Structural Welding Certification ( Dated With in last 2 Years ) ~2+ years'... 
    Suggested
    For contractors
    Local area
    Overseas
    Work visa

    American International Contractors

    Arlington, VA
    4 days ago
  • $60 - $75 per hour

     ...Perform pipe cutting, threading, grooving, brazing, soldering, and welding as required Conduct pressure testing and assist with system...  ...as a Pipefitter, preferably in commercial mechanical construction Strong knowledge of hydronic heating and cooling systems Ability... 
    Suggested
    Hourly pay

    Vertical Mechanical Group Inc

    Washington DC
    3 days ago
  •  ...Job Title Welding Technician Job Description Selects type and size of pipe or other related materials and equipment according...  ...Date 02/11/2026, 07:05 PM Job Schedule Full time Locations United States Market Sector Construction Recruiting Type Trade & Craft... 
    Suggested
    Full time

    John Wood Group Limited

    Washington DC
    8 days ago
  •  ...Review tenant and client improvement plans and inspect active construction areas for compliance with building rules and regulations. Inspect...  ...and organize work. Proficiency in brazing, soldering, and welding. HVAC License a plus. Mechanical and electrical aptitude... 
    Suggested
    For contractors
    Shift work
    Weekend work

    UG2

    Washington DC
    2 days ago
  •  ...Responsibilities - Conduct surveillance and understand the construction trades to closely monitor all construction activities and materials...  ...(rough-in, finish), Electricity, Plumbing, HVAC, Sheet Metal Welding, Dry Wall Masonry - Possess a high school diploma or... 
    Suggested
    Local area

    IDS International

    Washington DC
    4 days ago
  •  ...comprehensive secureand mission criticalfacilities solutions, including construction, maintenance, and testing of specialized government and...  ...solutions – anywhere, anytime. The Welder will perform welding and fabrication duties involving the cutting, fitting, and joining... 
    Suggested
    Full time
    Contract work
    Work at office
    Local area
    Remote work
    Flexible hours
    Night shift

    Deployed Global Solutions, LLC.

    Alexandria, VA
    3 days ago
  •  ...Mechanics for full time year-round positions in commercial mechanical construction projects in the MD, VA, and DC area. JCM Associates, Inc....  ...and chassis parts, using portable metalworking tools and welding equipment. Installs evaporator unit in chassis or in air-... 
    Suggested
    Hourly pay
    Full time

    JCM Associates

    Arlington, VA
    6 days ago
  •  ...in materials quality assurance and quality control inspection, construction management and construction inspection focused on delivering...  ...excited to be experiencing growth! We are seeking an AWS Certified Welding Inspector to perform inspections in the Mid Atlantic, USA area... 
    Suggested
    Apprenticeship
    Worldwide

    HRV Conformance Verification Associates, Inc.

    Washington DC
    3 days ago
  •  ...structural parts to facilitate fitting edges together Bolts or arc-welds structures and sections together. Positions drums and headers...  ...2/2026, 05:30 PM Job Schedule Full time Locations United States Market Sector Construction Recruiting Type Trade & Craft... 
    Suggested
    Full time

    John Wood Group Limited

    Washington DC
    2 days ago
  • $40 per hour

     ...Industrial, is currently seeking a talented Pipefitter supporting construction operations within a local Naval facility. SJS is a Service-...  ..., securing, and performing operational testing. Perform welding, brazing, and pipe fitting using appropriate tools and techniques... 
    Suggested
    Hourly pay
    Seasonal work
    Local area
    Monday to Friday

    SJS Executives, LLC

    Bethesda, MD
    2 days ago
  • Construction Inspector - Automatic Train Control Systems We are looking for an experienced Construction Inspector with heavy expertise in...  ...Ability to understand construction testing disciplines such as welding, non‑destructive testing, concrete and grout sampling and... 
    Suggested
    Contract work
    Temporary work
    For contractors

    Mott MacDonald

    Arlington, VA
    1 day ago
  •  ...comprehensive secure and mission critical facilities solutions, including construction, maintenance, and testing of specialized government and...  ...solvents, caulking, and methods like soldering, brazing, and welding. Secure piping to walls, ceilings, and fixtures using... 
    Suggested
    Full time
    Contract work
    Work at office
    Local area
    Remote work
    Flexible hours
    Night shift

    Deployed Global Solutions, LLC.

    Alexandria, VA
    4 days ago
  • A leading infrastructure construction company in Washington is looking for a Welder Helper to support experienced welders. Responsibilities include preparing tools, organizing jobsite materials, and ensuring safety protocols are followed. The ideal candidate will have... 
    Suggested

    Frontier Environmental

    Washington DC
    3 days ago
  •  ...systems, applying expertise in refrigeration theory, electrical schematics, pneumatics, electronic control systems, pipe fitting, welding/brazing, and mechanical layouts. Education & Experience ~3-5 years of commercial HVAC service experience required... 
    Weekend work

    Texas State Library and Archives Commision

    Alexandria, VA
    6 days ago
  •  ...Job Description Mechanic - Heavy Construction Equipment Are you a dedicated and hands-on mechanic looking for a great company...  ...crane, power tools, hydraulic torque multipliers, and welding/cutting/burning tools. Equipment Operation: Operate all types... 

    gpac

    Washington DC
    6 days ago
  •  ...comprehensive secure and mission critical facilities solutions, including construction, maintenance, and testing of specialized government and...  ...boilers. Knowledge of air compressors, pneumatic controls, welding techniques and soldering techniques. Knowledge of materials... 
    Full time
    Contract work
    For subcontractor
    Work at office
    Local area
    Remote work
    Flexible hours
    Night shift

    Deployed Global Solutions, LLC.

    Alexandria, VA
    1 day ago
  • $25 - $35 per hour

     ...industrial projects. About TAI TAI brings together engineering, construction, systems integration, on-site services, and technical services...  ...tools and equipment, such as hand and power tools and welding devices Apply shop mathematics to solve problems. OSHA 10 certification... 
    Hourly pay
    Temporary work
    Local area
    Flexible hours

    TAI

    Washington DC
    3 days ago
  • Join TAI in Washington, DC as a Welder/Ironworker and be part of a growing structural steel team. You will fabricate and install structural steel components, adhering to industry codes while working on major industrial projects. This hands-on role requires a high school...
    Flexible hours

    Tai Corp

    Washington DC
    4 days ago
  •  ...pipe sections, tubing, or fittings, using couplings, clamps, screws, bolts, cement, plastic solvent, caulking, soldering, brazing, or welding equipment Install pipe assemblies, fittings, valves, appliances such as dishwashers or water heaters, or fixtures such as sinks... 
    Flexible hours

    PHI Group Inc

    Capitol Heights, MD
    2 days ago
  •  ...Utility Construction Worker – Union Position Seattle, WA Full-Time | Monday–Friday Day Shift Competitive Union Pay + Overtime Opportunities...  ...Mechanic duties, responsibilities could include performing welding work as directed. To be a certified pipe welder, the... 
    Full time
    Local area
    Monday to Friday
    Shift work
    Day shift

    CenTrio

    Washington DC
    3 days ago
  •  ...projects in Washington. The ideal candidate will perform high-quality welding on various materials, interpret blueprints, and ensure adherence to safety regulations. A minimum of 2 years in commercial construction with proficiency in welding processes is required. Join a... 
    For contractors

    Vertical Mechanical Group Inc

    Washington DC
    1 day ago
  • $51 per hour

     ...attention to hospital, industrial and heavy institutional installations. Must be familiar w/industry standard & code compliant construction practices. Must be able to read and interpret blueprints. Bevel joint cutting with an oxy-acetylene torch is mandatory... 
    Hourly pay
    Daily paid
    For contractors
    Work at office

    The Bell Company

    Washington DC
    3 days ago
  • $25 - $75 per hour

     ...with: VRF piping installation Copper brazing for HVAC systems Refrigerant piping installation Commercial HVAC construction projects Qualifications ~3+ years of HVAC piping installation experience ~1+ year of hands-on VRF system installation... 
    Hourly pay
    For contractors

    Vertical Mechanical Group Inc

    Washington DC
    4 days ago
  •  ...types of sheet meal to include duct work, metal louvers, drip pans, guttering and down spouts General knowledge of soldering and welding. Completion of apprenticeship or equivalent training in the roofing trade required Must have valid District of Columbia,... 
    Work at office

    Georgetown University

    Washington DC
    3 days ago
  •  ...interested in advancing their career in the Geotechnical and Construction Observation/ Material Testing Field. If you're passionate about...  ...and Floor Flatness (FF/FL) Structural Steel Inspections ICC Welding/ Bolting or CWI Chemical Stabilization of Soils via Cement or... 
    Full time
    Temporary work
    Work at office
    Flexible hours

    Geo-Technology Associates, Inc. (GTA)

    Washington DC
    1 day ago
  •  ...infrastructure management, technical consulting, engineering, and construction management services in support of the US Department of Defense...  ...inspections of: Steel Construction and High Strength Bolting Welding of Structural Steel Nondestructive Testing of Welds Cold... 
    Full time
    Temporary work
    For contractors
    Worldwide

    Planate Management Group

    Washington DC
    1 day ago
  •  ...Welder Job Under general supervision, applies appropriate welds to fabricate or repair compactors, containers and carts. Essential duties and responsibilities include: Performs minor repairs and applies basic welding processes. Repairs compactors, containers... 
    Temporary work
    Local area
    Day shift

    Waste Management , Inc.

    Washington DC
    5 days ago
  •  ...commercial users. Life Proof Boats feature handcrafted aluminum construction, world-class deep-vee hull designs for exceptional ride...  ...various on-water applications. Role Description As a Welding Supervisor at Inventech Marine Solutions - Life Proof Boats, you... 
    Full time

    Inventech Marine Solutions - Life Proof Boats

    Washington DC
    4 days ago