Sr. Mechanical Design Engineer

Balance Staffing Company; Houston (TX); On-site; USD 120,000 - 180,000; Full time

Job summary

Balance Staffing Company is seeking an experienced Senior Mechanical Design Engineer to lead the mechanical design and documentation of power transformers for utility, data center, and BESS applications. The role requires independent management of complex projects and mentorship to the engineering team.

The ideal candidate has 10+ years in mechanical design engineering, hands-on experience designing power transformers, and strong CAD/FEA skills.

Qualifications

• Bachelor's or Master's Degree in Mechanical Engineering.
• 10+ years of experience in mechanical design engineering or a related field.
• Experience designing power transformers or similar heavy electrical equipment.
• Experience with engineering calculations, manufacturing documentation, and customer specifications.

Responsibilities

• Design transformer mechanical assemblies and prepare drawings based on specifications.
• Develop solutions for transformers in BESS, data center, utility applications (0.5–8 MVA, up to 36/1 kV).
• Create detailed assembly/manufacturing drawings and BOMs.
• Apply FEA to optimize designs for performance and manufacturability.
• Mentor engineering team and collaborate with cross-functional groups.

Skills

CAD

FEA/FEM

MATLAB

MS Office

Mechanical design

Structural analysis

Adaptability

Teamwork

Communication

Education

Bachelor's or Master's in Mechanical Engineering

Tools

CAD software

MS Excel

Job description

We are seeking an experienced Senior Mechanical Design Engineer to lead the mechanical design and documentation of power transformers supporting utility, data center, and Battery Energy Storage System (BESS) applications. This role is responsible for developing innovative transformer mechanical assemblies, preparing technical documentation, performing engineering analyses, and ensuring compliance with customer specifications, industry standards, and manufacturing requirements. The successful candidate will independently manage complex, high-priority engineering projects while serving as a technical mentor to the engineering team.

Key Responsibilities

Mechanical Design & Engineering

• Design transformer mechanical assemblies and prepare assembly drawings based on engineering calculations and customer technical specifications.
• Develop solutions for distribution transformers serving BESS, data center, and utility applications, particularly in the range of 0.5-8 MVA and up to 36/1 kV.
• Create detailed assembly and manufacturing drawings, including bills of materials (BOMs), to support production activities.
• Prepare mechanical design documentation for customer approvals and internal engineering requirements.
• Apply Finite Element Analysis (FEA/FEM) and engineering software tools to optimize designs for performance, reliability, and manufacturability.
• Lead or actively participate in strategic and high-priority engineering projects.
• Collaborate with cross-functional teams to ensure designs meet production, quality, and customer requirements
• Provide technical guidance and mentorship to engineering team members, supporting knowledge transfer and professional development.

Technical Analysis & Customer Support

• Perform structural strength and seismic resistance calculations.
• Communicate directly with customers during the technical documentation approval process.
• Support manufacturing teams throughout transformer production to ensure technical compliance and efficient execution.
• Investigate and resolve technical issues related to mechanical design documentation
• Recommend and implement design improvements that enhance product quality, reliability, and manufacturing efficiency.
• Identify opportunities to streamline engineering documentation processes and improve customer satisfaction.

Qualifications

Required Education

• Bachelor's or Master's Degree in Mechanical Engineering.

Required Experience

• Minimum of 10 years of experience in mechanical design engineering or a related field.
• Demonstrated experience designing power transformers or similar heavy electrical equipment.
• Experience working with engineering calculations, manufacturing documentation, and customer technical specifications.

Technical Skills

• Advanced proficiency with CAD software.
• Strong knowledge of Finite Element Analysis (FEA/FEM).
• Advanced use of MS Office, numerical calculation software, and MATLAB.
• Strong understanding of mechanical design principles, structural analysis, and manufacturing processes.
• Results-oriented mindset.
• Strong sense of accountability and responsibility.
• Excellent collaboration and teamwork skills.
• Adaptability and openness to change.
• Effective verbal and written communication skills.

Travel Requirements

• Initial onboarding at company headquarters in Zagreb, Croatia, for a minimum of one month.
• Occasional international travel to headquarters and other company locations thereafter.