Senior Mechanical Engineer | Pump Design

Heartline Staffing is hiring a Senior Mechanical Engineer in Houston, Texas.

• Lead the design, development, and refinement of mud pumps, positive displacement pumps, frac pumps, and related mechanical equipment
• Ideal for an engineer with hands-on machine design experience and a strong understanding of pump systems, mechanical integrity, and equipment performance
• Contribute to innovative engineering solutions while ensuring equipment reliability, safety, efficiency, and compliance with industry standards
• Direct experience designing mud pumps, positive displacement pumps, frac pumps, or closely related equipment is required

• Direct hire position
• Lead pump design from concept through development and production
• Work cross-functionally with manufacturing and engineering teams
• Opportunity to drive continuous product improvement through new technologies, materials, and design methods
• Limited relocation assistance available

• Direct hire, on-site position in Houston, Texas
• Engineering and manufacturing environment
• Schedule details shared during your recruiter conversation

• Design, develop, and improve mechanical equipment, pump systems, and related components
• Create detailed engineering drawings, design layouts, and 3D models using CAD software
• Perform stress analysis and finite element analysis (FEA) to evaluate component strength, durability, and reliability
• Conduct tolerance studies and review engineering drawings and technical documentation for accuracy and quality
• Research, evaluate, and specify purchased components based on performance, compatibility, and cost
• Develop test plans and validate component and system performance
• Prepare engineering reports documenting design calculations, analyses, testing, and results
• Interpret P&IDs, electrical schematics, and hydraulic schematics to support equipment design and integration
• Collaborate with manufacturing, engineering, and other cross-functional teams throughout equipment conceptualization, development, and production
• Ensure designs align with applicable engineering standards, safety requirements, and industry specifications
• Stay current with engineering technologies, materials, and design methods to support continuous product improvement

• Compensation details shared during your recruiter conversation
• Limited relocation assistance

• Bachelor's degree in Mechanical Engineering REQUIRED
• 3 years of mechanical design engineering experience REQUIRED
• Direct pump design experience involving mud pumps, positive displacement pumps, frac pumps, or closely related equipment REQUIRED
• Machine design and mechanical system development experience REQUIRED
• Proficiency with CAD software such as Creo, Autodesk Inventor, Solid Works, or comparable software REQUIRED
• Ability to read and interpret engineering drawings, P&IDs, and electrical and hydraulic schematics
• Strong analytical, troubleshooting, and problem-solving skills
• Excellent attention to detail and ability to collaborate across engineering and manufacturing teams
• 5 or more years of mechanical design engineering experience preferred
• Experience designing equipment for oil and gas, oilfield services, or industrial pumping applications preferred
• Familiarity with hydraulic systems design and implementation preferred
• Knowledge of API specifications, particularly API 6A, API 7K, and API 8C, preferred
• Experience in an ISO-certified or API Q1-certified manufacturing environment preferred
• Hands-on mechanical experience involving mechanical systems, fabrication, or welding preferred
• Experience with FEA tools such as ANSYS or Solid Works Simulation preferred