MACHINIST

About the role

This position is open to the public and all current city employees covered under the City’s Collective Bargaining Agreement with Machinists – Local 126 (Bargaining Unit 36).

Only employees in City job titles in this bargaining unit are eligible to bid.

Responsibilities

• Reviews blueprints, specifications, or models of parts to be made and determines work procedures, metal stock, and machine tools to use to fabricate parts
• Inspects and dismantles mechanical equipment and machinery to identify malfunctions, determine needed repairs or adjustments, and repairs equipment as needed
• Fabricates metal parts by setting up and operating conventional or computer-controlled machine tools (e.g., lathes, milling machines, grinders, drill presses)
• Plans and lays out jobs, making calculations to establish dimensions, locating and marking surfaces and angles to be machined, setting machine controls, and making necessary cuts to perform machining operations
• Performs precision handwork to finish, fit, and assemble machined parts using bench mounted and hand held power tools (e.g., files, die grinders, buffers, scrapers, and drill presses)
• Uses precision measuring instruments (e.g., vernier calipers, micrometers, surface gauges, dial indicators) to maintain dimensional accuracy and specified tolerances during machining operations and equipment repairs
• Determines and monitors the feed and speed of the machine during machining operations
• Cheks finished metal products to ensure they meet specifications
• Installs and tests new and repaired parts, ensuring proper fit and operation
• Cleans work sites after repairs
• Cleans, repairs, and lubricates machinery, tools, and equipment
• Welds or brazes broken parts with electric or gas equipment, as required
• Cuts steel with acetylene torch, as required
• Disassembles machines and equipment using hand and/or power tools to examine parts for defects or to replace defective parts.

Requirements

• Six (6) years of journey-level work experience as a Machinist, OR
• Successful completion of a US Department of Labor registered Machinist apprenticeship training program and journeyman status, OR
• Successful completion of an industry or company sponsored apprenticeship training program as a Machinist, plus two (2) years of journey-level experience as a Machinist

Qualifications

• Licensure, Certification, Or Other Qualifications: The candidate(s) selected for hire must pass an airport background check and a Security Threat Assessment (STA).
• Selection Requirements: This position does not require an interview, this position requires candidates to pass a written job knowledge exam.

Benefits

For Information on our employees benefits please visit our benefits website at: https://www.chicago.gov/content/dam/city/depts/dhr/supp_info/JobClassification/2025_Classification_and_Pay_Plan.pdf