Find & Apply For Engine and Machine Fabricator / Assembler Jobs in Brookfield, Wisconsin

Precision Tool & Machine Assembler – 3D CAD & Custom Automation Up to $40.00/Hour + Overtime

• Pewaukee, WI Area
• 100% Onsite
• 1st Shift

Direct-Hire Compensation & Earnings:

Up to $40.00/hour starting base rate (commensurate with trade experience and toolmaking depth) + overtime availability + comprehensive corporate benefits package.

Work Schedule:

Fixed, predictable 1st Shift | 7:00 AM – 3:30 PM | Monday through Friday | 100% Onsite shop environment.

Work Environment:

Established, premier custom automation builder in the Pewaukee area; modern facility featuring on-floor 3D modeling workstations at every build station; collaborative, non-siloed team culture where builders work directly with mechanical engineers and wiremen.

Experience & Tech Stack:

5+ years of ground-up mechanical machine building OR 2+ years backed by a precision toolmaking/fixture-building background; advanced mechanical blueprint literacy; fluid power piping/routing (pneumatics and hydraulics); precision measurement tools and shop floor machinery.

Company Stability & Culture:

Long-standing custom machinery leader building complex, one-off automation assets; casual, high-ownership workplace; opening created due to an upcoming long-term employee retirement.

Requirements & Compliance:

U.S. Citizen or Green Card holder; permanent residence within a daily 45-minute driving radius of Pewaukee, WI. If you are a true mechanical craftsman who hates the repetitive monotony of high-volume line assembly and wants a technical home where genuine problem-solving skills are valued, this custom machine building role offers an ideal destination. Operating as an established, long-standing custom automation provider in the Pewaukee area, this industry pioneer has spent decades designing and building high-specification, one-of-a-kind machinery for global manufacturers. Rejecting rigid corporate silos, this shop fosters a tight-knit environment where mechanical builders, electrical wiremen, and engineering staff work side-by-side on the floor from day one. Every system born on this production floor is a custom, complex automation asset integrating cutting-edge controls, robotics, vision systems, and fluid power loops. Once a project hits the floor, you have end-to-end ownership of the build, the creative freedom to finesse mechanical alignments, and a direct line to engineering. Backed by an opening created by an upcoming retirement, excellent job security, and modern CAD-equipped workstations, this environment provides an exceptional long-term home for a proud trades professional. What You Will Be Doing (Daily Responsibilities)

Build Complex Custom Systems:

Build, fit, align, and assemble diverse, high-value custom automated machinery, robotic cells, assembly presses, and packaging lines from the ground up.

Interpret Technical Schematics:

Read and build from highly detailed multi-view mechanical drawings, assembly blueprints, and pneumatic/hydraulic fluid power schematics to establish proper build sequencing. Utilize On-Floor 3

D Modeling:

Access 3D CAD digital models directly at shop-floor workstations to verify spatial relationships, check mechanical clearances, and inspect complex sub-assemblies in real time.

Install Fluid Power Systems:

Layout, bend, route, and mount complex pneumatic manifolds, valve blocks, and high-pressure hydraulic circuits neatly onto machine frames.

Precision Mechanical Finessing:

Shim, scrape, adjust, and tune precision components to exact tolerances, utilizing toolmaking-level techniques to guarantee flawless mechanical motion and cycling. Collaborate with

Engineering:

Partner directly with mechanical design engineers on-site to troubleshoot assembly bottlenecks, verify tolerances, and resolve design deviations on the fly.

Teardown & Crating:

Oversee the tactical breakdown, match-marking, packing, and crating of completed custom machines to prepare them for customer transport and field installation. What We Are Looking For (Requirements & Qualifications)

Proven Machine Building Pedigree:

5+ years of progressively responsible experience executing ground-up mechanical machine builds, OR 2+ years of experience backed by a formal background in precision toolmaking, die building, or custom fixture assembly.

Complex System Craftsmanship:

Demonstrated background building high-speed material handling systems, precision automated lines, or custom packaging machinery (not component-level bench assembly).

Blueprint & Schematic Literacy:

Expert ability to read, interpret, and assemble complex machinery directly from multi-page mechanical assembly prints and fluid power schematics.

Precision Tool Mastery:

Expert, safe operation of hand and power tools, shop equipment (mills, lathes, surface grinders), and precision measuring instruments (calipers, micrometers, dial indicators).

Collaborative Mindset:

Strong interpersonal skills and a team-first work ethic to partner effectively with wiremen, controls engineers, and plant leadership.

Location & Legal Authorization:

Residence established within a comfortable daily 45-minute commuting radius of Pewaukee, WI, and U.S. Citizenship or Green Card holder status. Preferred Technical Assets (Bonus Skills)

Toolmaking Journeyman Card:

Formal apprenticeship completion or Journeyman credentials in Tool & Die or Precision Machining. Basic Electrical /

Sensor Alignment:

Ability to mount, align, and wire basic 24V proximity sensors, photoeyes, and limit switches during mechanical assembly.

Robotics & Vision Cell Setup:

Hands-on experience mounting and mechanically squaring end-of-arm tooling (EOAT) or camera mounting frames.