Jacob Rumsey
Platteville
Summary
Experienced welder and fabricator, with a focus on technical expertise and quality assurance. Known for optimizing welding processes. Ensuring compliance and enhancing team productivity. Personally requested by Martin Marietta to fabricate all of their truck beds.
Overview
4
4
years of professional experience
Work History
Welder/Fabricator
DTI Trucks
Thornton
04.2022 - 12.2025
- Executed precise welding techniques to fabricate components for heavy-duty trucks.
- Collaborated with team members to enhance workflow and efficiency during production.
- Created templates for repetitive tasks to expedite fabrication processes.
- Retrieved correct materials from product inventory to perform various fabrication duties.
- Read and interpreted schematics and drawings for accurate results.
- Assisted in the design process by providing technical advice regarding fabrication techniques.
- Conducted quality control inspections to ensure adherence to safety and industry standards.
- Interpreted blueprints and technical drawings to determine specifications for welding projects.
- Prepared materials for welding processes by cleaning and cutting to specified dimensions.
- Maintained equipment through regular inspections and performed necessary repairs.
- Documented project progress and noted any discrepancies for future reference.
- Trained new employees on welding techniques and safety protocols to ensure compliance.
- Utilized various welding methods, including MIG and TIG, to meet project requirements.
- Optimized welding processes to improve overall production efficiency.
- Coordinated with supervisors to prioritize tasks based on project deadlines.
- Maintained a clean working environment by removing scrap metal from work areas.
- Set up welding machines based on the job at hand.
- Repaired broken or cracked parts using cutting torches and welding equipment.
- Read blueprints, drawings related to projects in order to determine proper dimensions of components being fabricated, welded together.
- Used welding skills to help repair and maintain heavy-duty machinery.
- Set up equipment and welded parts according to welding chart specifications and type.
- Gathered required materials for each project in order to meet production deadlines.
- Followed safety guidelines through proper machine guarding and lockout and tagout procedures.
- Fabricated and welded components to assemble structural forms, such as machinery frames, tanks, pressure vessels, and furnace shells.
- Performed preventative maintenance on welding tools and equipment.
- Scraped off excess spatter using portable grinders and arc-cutting equipment.
- Operated manual and semi-automatic welding equipment in vertical, horizontal and overhead positions.
- Laid out, positioned, aligned and secured parts and assemblies with straightedges, squares and calipers.
- Completed minor torch ups with MIG welders.
- Applied shielded metal arc welding techniques with electrodes in flat, horizontal vertical positions as well as overhead applications.
- Operated manual or semi-automatic flame-cutting equipment to cut metal for fabrication of products.
- Constructed templates and jigs for fabrication according to blueprints.
- Installed heat trace tape to tubing and controls and bent large tubing with power bender.
- Utilized furnaces and other heating equipment to weld, shape and fuse materials.
- Created components via Computer Aided Design (CAD) for use in 3D printing and milling applications.
- Performed tests on completed products to assess durability and functionality.
- Performed quality assurance tests on products to adhere to production standards.
- Selected appropriate filler metals based on type of base materials being joined.
- Identified defects in welds such as porosity, cracks, slag inclusion.
- Repaired worn parts of metal products by welding on extra layers of metal.
- Inspected finished welds for conformance with specifications and visually inspected assemblies for quality assurance.
- Participated in product development sessions to learn new product specifications and brainstorm new work strategies.
- Assisted in the assembly of heavy machinery such as conveyor systems when needed.
- Ensured proper maintenance was performed on all shop equipment used in order to maintain efficiency.
- Disposed of faulty, broken and dirty products and reported losses to supervisors.
- Worked closely with other tradesmen such as pipefitters and electricians during fabrication process.
- Operated welding machines to fabricate and assemble metal components.
- Assembled components into subassemblies or complete units prior to installation.
- Used oxy-acetylene torches to cut, bend or straighten metal objects as required.
- Utilized plasma cutter when necessary to cut through thick pieces of metal quickly.
- Loaded, unloaded components onto, from pallets utilizing overhead crane system where applicable.
- Set up jigs, fixtures or other holding devices according to blueprint specifications.
- Troubleshot problems related to welds including porosity issues caused by improper shielding gas flow rates.
- Utilized oxyacetylene torches for preheating metals prior to welding or bending them into desired shapes.
- Ensured that all welds met code requirements through visual inspection methods such as radiography testing where applicable.
- Trained apprentices in safety procedures and use of tools, equipment used during fabrication, welding operations.
- Adjusted gas flow and pressure to create and maintain desired flames.
- Monitored the fitting, burning, and welding processes to avoid overheating of parts or warping, shrinking, distortion, or expansion of material.
- Determined appropriate filler metal type based on joint design and material being joined together.
- Heated and dissolved metal parts to obtain molten substance used in welding or extrusion.
- Installed new plant equipment per manufacturer's instructions while adhering to safety protocols.
- Conducted x-ray, hydrostatic and tolerance tests on welded parts to verify weld quality and conformance to specification.
- Prepared workpiece edges by grinding, cutting, buffing or bending to verify snug fit.
- Prepared broken parts for welding by properly grooving and scarfing surfaces.
- Adjusted settings on machines such as current level so it matches the specifications outlined in blueprints and drawings.
- Performed gas tungsten arc welding with filler rods as needed.
- Communicated effectively with supervisors regarding progress updates on assigned tasks.
- Cut, contoured and beveled metal and structural shapes to achieve accurate dimensions.
- Measured workpieces with straightedges or templates to conform with specifications.
- Cleaned and inspected parts and assemblies at each production stage and documented production defects.
- Detected faulty operation of equipment or defective materials and notified supervisors.
- Safely ignited torches and monitored surroundings to proactively identify hazards.
- Recognized, set up, and operated shielded metal arc and gas metal arc welding equipment.
- Connected and turned regulator valves to activate and adjust gas flow and pressure and obtain desired flames.
- Marked or tagged material with job number, piece marks and other identifying marks.
- Selected and installed torches, filler rods and flux according to welding chart specifications.
- Fabricate sheet metal pieces by cutting, punching, bending, rolling, and forming with hand tools or machines.
- Set up and operate fabricating machines such as brakes, rolls, shears to cut, bend and straighten sheet metal.
- Construct parts from flat sheets of metals utilizing a variety of hand tools including hammers, punches and drills.
- Cut materials with powered saws or snips according to measurements specified on drawings or templates.
- Check dimensions and angles between formed pieces using protractors and angle gauges.
- Operate power brakes to bend sheet metal into desired shapes.
- Operated hydraulic press brakes to transform sheet metal into predetermined shapes and components.
- Measure material accurately using measuring instruments such as calipers and micrometers before beginning any task related to fabrication process.
- Repair damaged parts by hammering out dents or filling holes with welded patches.
- Inspect completed work for accuracy of fit and conformity to specifications.
- Read blueprints and specifications to determine the type of sheet metal needed for each job.
- Perform preventative maintenance on shop machinery such as lubrication oil changes .
- Align material prior to assembly using squares rulers and scribes when necessary.
- Weld components together using electric arc welding equipment or gas flame torches.
- Smooth rough surfaces of pieces after fabrication by filing with rasps or power grinders.
- Referred to manuals, blueprints and drawings to obtain accurate information for sheet metal project completion.
- Clean finished parts with solvents oils and wire brushes after completion of fabrication process.
- Used various software to develop scale drawings of systems and products.
- Installed assemblies in supportive frameworks according to blueprints.
- Operated computer-controlled fabrication machines.
- Inspected, assembled, and smoothed seams and joints of burred surfaces.
- Fabricated, assembled, installed, and repaired sheet metal products and equipment, such as ducts, control boxes, drainpipes, and furnace casings.
- Trimmed, filed, ground, deburred, buffed, and smoothed surfaces, seams, and joints of assembled parts.
- Interpreted blueprints, sketches, or product specifications to determine sequence and methods of fabricating, assembling, and installing sheet metal products.
- Utilized hand tools, portable power tools, and other equipment to cut, shape, and assemble metal components.
- Selected gauges and types of sheet metal or non-metallic material, according to product specifications.
- Planned and laid out work from blueprints, drawings, models, or verbal instructions, using measuring instruments.
- Coordinated with other trades, such as plumbing and HVAC, to complete projects efficiently.
- Answered service calls to address ventilation, air conditioning and heating system issues.
- Shaped metal over anvils, blocks, or forms using hammer.
- Measured and marked dimensions and reference lines on material, using scribes, dividers, squares, and rulers.
- Repaired and maintained sheet metal products.
- Developed templates and other work aids to hold and align parts.
- Performed preventive maintenance and minor repairs to machines, equipment, and tooling.
Education
Welding, Collision Repair, Welding - Collision Repair
Boulder Tec
Boulder, CO05-2022
Skills
- MIG welding
- TIG welding
- Blueprint interpretation
- Quality control
- Equipment maintenance
- Fabrication techniques
Accomplishments
Sole Fabricator for all of Martin Marietta's new trucks and building of the flat bed for the trucks, as well as any other options they wanted.
Timeline
Welder/Fabricator
DTI Trucks
04.2022 - 12.2025
Welding, Collision Repair, Welding - Collision Repair
Boulder Tec