Senior Mechanical Engineer

Mission Critical Group; Brookston (IN); On-site; USD 120,000 - 165,000; Full time

Job summary

Mission Critical Group in Brookston, Indiana, seeks a Senior Mechanical Engineer to design sheet metal panels, structural supports, barriers, and bus assemblies for low- to medium-voltage switchgear. You will ensure designs meet customer specs, regulatory standards, and manufacturing best practices.

You will collaborate with electrical designers, project managers, and manufacturing staff, mentor junior engineers, and drive cost-efficient, reliable solutions across the product lifecycle.

Qualifications

• Bachelor's degree in Mechanical Engineering is required; Master's preferred.
• 7+ years in mechanical design for switchgear or related electrical equipment.
• Proficient with AutoDesk Inventor and sheet metal design.
• Experience with BOMs and manufacturing drawings.
• PE license preferred.

Responsibilities

• Create detailed 3D models and drawings for sheet metal panels, structural supports, barriers, and bus assemblies.
• Ensure manufacturability and regulatory compliance in designs.
• Collaborate with electrical designers to integrate copper bus elements into customer drawings.
• Prepare BOMs, assembly drawings, and cut sheets to support manufacturing.
• Lead design projects and mentor junior engineers and designers.
• Support cross-functional teams to resolve technical issues and improve processes.

Skills

Sheet metal design

Mechanical design

Leadership/mentoring

AutoDesk Inventor

Cross-functional collaboration

Regulatory compliance

Cost optimization

ERP/MRP systems (IFS, SAP)

Documentation (BOMs, drawings)

Education

Bachelor's degree in Mechanical Engineering

Master's degree

PE license preferred

Tools

AutoDesk Inventor

ERP/MRP systems (IFS, SAP)

Job description

Mission Critical Group (MCG) is an end-to-end power solutions and services 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.

Job Description

The Senior Mechanical Engineer is responsible for developing accurate and manufacturable designs of sheet metal panels, structural supports, barriers, and conductive copper bus assemblies for low- to medium-voltage switchgear. This role ensures designs meet customer requirements, regulatory standards, and manufacturing best practices while contributing to efficiency, quality, and company growth. The Senior Mechanical Engineer collaborates with electrical designers, engineers, project managers, and manufacturing personnel, and serves as a key resource in solving complex design challenges.

Accountabilities:

• Create detailed 3D models and drawings of sheet metal panels, structural supports, barriers, and bus assemblies using CAD software, specifically AutoDesk Inventor.
• Ensure all designs align with manufacturability, customer specifications, safety, and regulatory requirements.
• Collaborate closely with electrical designers to accurately integrate structural and copper bus elements into customer drawing packages.
• Partner cross-functionally with project management, manufacturing, sales, estimating, and field service to support project execution and resolve technical issues.
• Prepare bills of materials, assembly drawings, and cut sheets to support manufacturing in a timely and efficient manner.
• Reduce cycle time by reusing or adapting existing designs where applicable.
• Contribute to design reviews and process improvements that enhance quality, reduce costs, and improve reliability.
• Provide technical guidance and mentorship to junior and mid-level mechanical designers and engineers.
• Perform other duties as assigned.

Qualifications

Require knowledge/Experience

• 7+ years of progressive mechanical design experience, with significant experience in switchgear, power distribution equipment, or related electrical equipment manufacturing.
• 5+ years of hands‑on experience with sheet metal design, structural assemblies, and conductive bus bar design for low- to medium-voltage applications.
• Advanced proficiency with AutoDesk Inventor; familiarity with additional 3D CAD tools a plus.
• Extensive experience preparing parts lists, bills of materials, and assembly drawings for manufacturing.
• Strong knowledge of manufacturing processes, including sheet metal fabrication, machining, press brake operations, and CNC punch equipment.
• Understanding of product lifecycle management, quality control, design for manufacturability, and cost optimization.
• Proven ability to lead complex mechanical design projects and collaborate with cross-functional teams.
• Proficiency with Microsoft Office Suite; experience with ERP/MRP systems such as IFS, SAP, or similar.
• Strong problem-solving and critical-thinking abilities.
• Excellent written and verbal communication skills, with the ability to present complex technical information to customers, leadership, and cross-functional teams.
• Advanced mathematical skills, including the ability to calculate proportions, dimensions, tolerances, and material specifications.
• Highly organized, self-motivated, and detail-oriented with a commitment to quality and integrity.

Education & Certification

• Bachelor's degree in Mechanical Engineering required. Master's degree required.
• Professional Engineer (PE) license preferred.

Additional Information

• FLSA executive and professional positions paid on a salary basis, where project requirements and tight client deadlines may require workweeks over forty (40) hours (including weekends or holidays)
• This role primarily works in an office setting, with periodic visits to MCG manufacturing locations and supplier facilities to assess capabilities, support sourcing initiatives, address performance issues, and engage cross-functional teams.
  • Mobility: Ability to move around the manufacturing plant, including walking, standing, and climbing stairs.
  • Manual Dexterity: Occasional use of hands to handle or feel objects, tools, or controls.
  • Lifting: Ability to lift and carry items up to twenty-five (25) pounds. All lifting should be done following OSHA standards.

Visual and Auditory Requirements: Must be able to see and hear well enough to navigate the plant safely and communicate effectively with team members.

• This job description is intended to describe the general nature and level of work being performed. It is not intended to be an exhaustive list of all responsibilities, duties, and skills required. Duties may be adjusted to accommodate qualified individuals with disabilities in accordance with the Americans with Disabilities Act (ADA).
• This job description does not constitute a contract of employment and does not change the at-will nature of the employment relationship.
• We are an Equal Opportunity Employer and do not discriminate based on race, color, religion, sex, national origin, age, disability, or any other protected characteristic.
• Employment is contingent upon the successful completion of all pre-employment requirements, including a background check and pre-employment drug screening, in accordance with applicable law.

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).