Brief Description
The Senior Mechanical Designer leads the mechanical design and development of complex electro-mechanical systems, with a focus on enclosures, structural assemblies, and integrated equipment packages for electrical power and control systems. This role translates engineering requirements into robust, manufacturable solutions while collaborating closely with cross-functional teams.
Detailed Description
Lead the mechanical design of electrical enclosures, skids, frames, and structural assemblies for power and control systems
Develop and oversee detailed 3D models, fabrication drawings, and assembly documentation using CAD software
Perform mechanical analysis and design validation including structural integrity, thermal performance, vibration, and environmental exposure
Ensure designs meet applicable industry standards, customer specifications, and internal requirements
Define and maintain mechanical design standards including drawings, part numbering, and bill of materials structure
Collaborate with Electrical Engineers to ensure proper component layout, routing, access, and serviceability
Interface with fabrication and shop personnel to ensure designs are practical and manufacturable
Support procurement through vendor selection assistance and technical evaluations
Participate in design reviews, project planning, and problem resolution
Provide technical mentorship to junior designers and drafters
Support prototype development, testing, and field modifications
Perform other related duties as assigned
Job Requirements
Advanced proficiency in CAD software such as SolidWorks, Inventor, or similar
Strong understanding of mechanical design principles, materials, fabrication, and assembly processes
Ability to develop and interpret complex mechanical drawings and technical documentation
Experience designing enclosures, structural systems, or integrated equipment packages
Strong problem-solving skills with the ability to work independently
Effective collaboration and communication skills in cross-functional environments
Minimum Qualifications
Associate degree or technical diploma in Mechanical Design, Drafting, or related field
Minimum of nine years of experience in mechanical design and 3D modeling in an industrial, manufacturing, or oilfield environment
Preferred Certifications
Bachelor’s degree in Mechanical Engineering or related discipline
Experience with electrical equipment such as switchgear, MCCs, and control panels
Knowledge of NEC requirements related to mechanical design
Proven experience acting as a technical lead on complex projects
Additional Details
This role is primarily office-based with regular interaction in shop and fabrication environments. Occasional lifting, standing, and walkthroughs are required. The position may involve exposure to noise, dust, and equipment, and adherence to PPE and safety requirements is mandatory.

Patterson-UTI is a leading provider of drilling and completion services to oil and natural gas exploration and production companies in the United States and other select countries, including contract drilling services, integrated well completion services and directional drilling services in the United States, and specialized bit solutions in the United States, Middle East and many other regions around the world.
Apply for a position with us at patenergy.com/careers.