Steffan Bronkhorst
Waterloo,WI
Summary
Adaptable construction professional with experience across structural steel, reinforcing steel, and concrete installation. Strong in rigging, welding, layout, and site safety. Reliable support for complex projects requiring accuracy, teamwork, and steady leadership.
Overview
10
10
years of professional experience
Work History
Journeyman Ironworker
MKE Iron
Milwaukee, Wisconsin
10.2016 - Current
- Erected structural steel for MKE Iron projects using rigging and hoisting gear.
- Secured connections using bolts, welds, and fitting tools to ensure structural integrity on job sites.
- Rigged and guided steel members during crane lifts and placements.
- Followed fall protection, harness, and site safety rules during daily ironwork.
- Operated welding and cutting equipment to join or cut metal components.
- Laid out reference points on metal materials prior to fabrication or assembly operations.
- Set up scaffolding for elevated worksites following OSHA standards.
- Repaired defective metal parts using welding techniques.
- Read blueprints accurately to determine job specifications.
- Installed reinforcing steel bars in concrete forms for building foundations.
- Signaled crane operators in safe and accurate lifting and placing of reinforcing iron members and moved rebar manually into specific positions.
- Determined safety risks associated with projects and implemented precautions to address risks.
- Led and mentored less-experienced ironworkers, assisting foremen in effectively assigning work activities.
- Managed and tracked materials and supplies for projects, expediting additional materials to maintain project timelines.
Cast in Place Concrete Installer
Grindline Skateparks
Seattle, Washington
05.2024 - 10.2024
- Installed skatepark concrete forms for Grindline Skateparks projects
- Set rebar layouts for ramps, bowls, and transition sections
- Finished concrete surfaces for construction projects with smooth, level texture.
- Set forms and edges for slabs, sidewalks, and foundation work.
- Measured concrete depth and alignment using hand tools and levels.
- Troweled, floated, and edged wet concrete to proper finish.
- Cut control joints to support crack management and surface control.
- Mixed and placed concrete materials according to site requirements.
- Finished surfaces by hand-troweling or machine-troweling for a smooth finish.
- Coordinated material movement to ensure smooth workflow during construction activities
- Maintained safe work areas during Grindline Skateparks builds
- Ensured cleanliness of tools and equipment to promote safety and efficiency after installation work
- Maintained inventory of supplies, materials and tools to complete work on job sites.
- Operated various power tools and equipment on a daily basis.
- Developed plans for site layout, grading, drainage, materials selection, and equipment utilization.
- Communicated effectively with other members of the team to coordinate activities onsite.
- Read site plans for skatepark feature installation
- Read blueprints and measurements to shape parts to specifications.
- Interpreted blueprints and layout plans for plumbing route placement.
- Utilized survey equipment such as total stations, levels and GPS systems for site layout activities.
- Operated excavator for trenching, grading, and site preparation
- Moved soil, rock, and debris for excavation and loading tasks
- Adjusted digging depth and boom position for precise cut work
- Followed safety rules and spotter signals during active work areas
- Maintained clean cab, tools, and equipment during work shifts
- Operated heavy equipment in compliance with the company's operating safety policies and procedures.
- Executed service tasks in shops and outdoors, responding to changing weather.
- Removed systems and fixtures to prepare for replacement.
- Operate grinders, drills, and presses to prepare metal components.
- Inspect finished pieces for fit, weld quality, and surface defects.
- Assemble frames, brackets, and supports from raw metal stock.
- Performed welding, grinding and finishing tasks on fabricated structures.
General Contractor Labor
Round Robin LLC
Waterloo, Wisconsin
02.2020 - 03.2024
- Coordinated subcontractors, vendors, and inspectors for Round Robin LLC job sites.
- Reviewed blueprints, permits, and scope documents for Round Robin LLC projects.
- Communicated with clients, architects, and suppliers on Round Robin LLC builds.
- Resolved site issues and changed plans during Round Robin LLC renovations.
- Identified potential problems before they occurred to minimize delays or additional expenses.
- Communicated with clients, contractors, and site teams during cabinet projects.
- Installed cabinets and countertops in residential homes according to customer specifications.
- Installed custom cabinets using measuring tools, levels, and hand tools.
- Maintained cleanliness of work area post-project to promote a safe and productive environment.
- Measured, cut, and installed baseboards, crown molding, and other trim pieces to complete cabinet installations.
- Cut openings for sinks or dishwashers using power drills and saws.
- Measured, cut, and fitted drywall around openings and fixtures.
- Prepped surfaces through sanding, scraping, patching, and priming project areas.
- Applied interior and exterior coatings using brushes, rollers, and sprayers.
- Mixed paints and matched colors to job specifications.
- Protected furniture, floors, and fixtures with masking and coverings.
- Diagnosed leaks, clogs, and pressure issues in home plumbing systems.
- Repaired drains, faucets, toilets, and sewer lines.
- Communicated repair needs and options with homeowners clearly.
- Used special tools such as augers, snakes, saws, drills, threading machines.
- Measured layouts and marked surfaces for accurate tile placement.
- Cut tile using wet saws, nippers, and grinders.
- Installed ceramic, porcelain, and stone tile on floors and walls.
- Mixed thinset, mortar, and grout for installation work.
- Prepared subfloors by cleaning, leveling, and repairing surfaces.
- Measured and cut lumber, doors, and cabinets to fit job specifications.
- Repaired damaged structures, walls, flooring, and stair components.
- Read blueprints and followed remodeling plans from homeowner and contractor teams.
- Coordinated daily work with plumbers, electricians, and drywall crews.
- Operated saws, drills, levels, and other carpentry tools safely.
- Installed windows and doors for residential and commercial projects.
- Sealed gaps with caulk, foam, and weatherproofing materials.
- Adjusted hinges, locks, and latches for smooth operation.
- Loaded, transported, and organized installation materials on job sites.
- Secured windows and doors using screws, nails, bolts, and other fasteners.
- Measured, cut, and installed window frames and door frames in accordance with the manufacturer's specifications.
- Measured, cut, and installed window frames and door frames in accordance with the manufacturer's specifications.
Education
High School Diploma -
Monona Grove High School
Monona Grove WI06-2007
Associate of Arts - Welding, Rigging, Cranes, Structural Steel
Iron Workers Aprenticeship Program
Madison, WISkills
- Structural steel erection
- Rigging and hoisting
- Welding and cutting
- Crane signaling
- Rebar installation
- Blueprint interpretation
- Concrete finishing
- Job site safety
- Construction safety
Affiliations
- Volunteer DIY All wheels park builder in Madison WI. (Forman)
Timeline
Cast in Place Concrete Installer
Grindline Skateparks
05.2024 - 10.2024
General Contractor Labor
Round Robin LLC
02.2020 - 03.2024
Journeyman Ironworker
MKE Iron
10.2016 - Current
High School Diploma -
Monona Grove High School
Associate of Arts - Welding, Rigging, Cranes, Structural Steel
Iron Workers Aprenticeship Program