Assembly Leadman – Modular Buildings

Mission Critical Group (MCG) an end-to-end power systems and solutions provider that accelerates time-to-power and delivers scalable, resilient infrastructure for mission critical environments. By integrating engineering, manufacturing, modular deployment, and lifecycle services under one platform, we streamline execution and bring complex projects online faster - without compromising performance. With a robust U.S. manufacturing network, MCG supports data centers, power generation, healthcare, oil & gas, pharmaceuticals, semiconductors, and industrial facilities where uptime is non-negotiable. Mission Critical Group designs, manufactures and provides value-added services for customers requiring critical power solutions. Powering a new electric world for a brighter, more secure future.

The Assembly Leadman oversees the systematic physical erection of the modular building envelope, combining frames, insulation, panels, and custom trims. This role supervises the progression from bare structural frames to a completely weatherproofed, insulated utility structure. The Assembly Foreman is accountable for the physical erection of the modular buildings, including structural wall panels, interlocking roof skins, doors, and heavy HVAC framing. This role takes the components from the Structural and Sheet Metal teams and transforms them into a weatherproof building envelope within the workshop and construction yard. 

Essential Duties/Responsibilities:

The following list of responsibilities is not all inclusive, additional projects and/or tasks may be assigned to meet operational needs. MCG retains the right to change or assign other duties to this position should operational needs warrant. 

• Crew Leadership: Supervise an erection crew led by an Assembly Leadman, coordinating the sequential hoisting, aligning, and fastening of the interlocking panel skin. 
• Envelope Integrity: Ensure all wall-to-base, panel-to-panel, and roof joints are properly sealed, insulated, and weatherproofed according to engineering specifications. 
• Component Integration: Coordinate the installation of sub-assemblies such as exterior doors, bulkhead penetration plates, and structural framing for wall-mounted HVAC units across the work shop and yard. 
• Field Redline Tracking: Log any tight-fit panel adjustments or fastening updates on the physical drawings, handing them over to the Design Support Specialist for as-built logging. 

Required Knowledge/Experience:

• High school diploma or GED
• Regular working at heights utilizing scaffolding, ladders, or scissor-lift equipment. 
• Ability to work comfortably outdoors in the construction yard during final weatherproofing. 
• Continuous manual dexterity for handling structural fasteners, tools, and industrial caulking systems. 

Preferred Experience 

• Expertise in commercial weatherproofing techniques, thermal insulation systems, and industrial sealants. 
• Certification in rigging and signal operations for moving large-scale wall panels via overhead crane. 

Supervisory Requirements

• Supervise a crew by coordinating the sequential hoisting, aligning, and fastening of the interlocking panel skin. 

Physical Requirements 

• Regular working at heights utilizing scaffolding, ladders, or scissor-lift equipment. 
• Ability to work comfortably outdoors in the construction yard during final weatherproofing. 
• Continuous manual dexterity for handling structural fasteners, tools, and industrial caulking systems. 

Success Measures 

• Zero water penetration failures during final building weather testing or customer spray checks. 
• Square, plumb, and aesthetically sound building panel lines across all exterior structures. 
• Accuracy and speed in delivering building envelopes to the downstream painting and electrical trades. 

A Note to our Recruitment Partners: We really appreciate the interest, but MCG currently manages hiring through our internal team. We love getting to know our candidates directly! Because of this, we don’t accept unsolicited resumes from agencies at this time. If we ever need an extra hand, we’ll be sure to reach out to the community. Thanks for understanding!

MCG is an equal opportunity employer prohibiting discrimination based on race, color, creed, religion, sex, marital status, physical or mental disability, and any other protected classes stated by applicable federal and state laws. MCG is committed to providing equal employment opportunities to qualified individuals with disabilities and to act in accordance with regulations and guidance issued by the Equal Employment Opportunity Commission (EEOC).