Mechanical Engineer

AppleOne Employment Services; Houston (TX); Hybrid; USD 90,000 - 118,000; Full time

Job summary

AppleOne Employment Services in Houston, TX is seeking a Mechanical Engineer to design mud pumps and related systems for a direct hire role. You will perform stress analysis, develop layouts and documentation, and support testing to ensure performance, reliability, and safety.

The position offers a hybrid schedule after training, core hours 9:00 AM–4:00 PM, and potential relocation assistance. Excellent collaboration with engineering teams is expected to drive cost-effective improvements.

Qualifications

• Bachelor’s degree in Mechanical Engineering is required.
• 5+ years of experience developing machines, mechanical systems, or heavy industrial equipment.
• Direct design experience with mud pumps, positive displacement pumps, frac pumps, or closely related equipment is required.
• Proficiency with CAD software such as Creo, Inventor, or SolidWorks.
• Experience using FEA tools such as Ansys or SolidWorks Simulation.
• Ability to read and interpret P&ID drawings, electrical schematics, and hydraulic schematics.
• Strong understanding of mechanical design principles, tolerance analysis, and engineering documentation.
• Strong problem-solving, analytical, and communication skills.

Responsibilities

• Design and refine mechanical equipment, including mud pumps, positive displacement pumps, frac pumps, and related systems.
• Develop detailed layouts, drawings, tolerance studies, component specifications, and engineering documentation.
• Perform stress analysis and support FEA activities to validate component strength, durability, and performance.
• Create and execute test plans for mechanical components and systems to confirm function and reliability.
• Collaborate with cross-functional teams on equipment conceptualization, product development, specification, and design reviews.
• Research hardware, software, purchased components, and manufacturing considerations to improve equipment performance and cost-effectiveness.

Skills

Mud pump design

Mechanical design

Problem solving

Analytical thinking

Team collaboration

Reading P&ID/hydraulic schematics

Education

Bachelor’s degree in Mechanical Engineering

Master’s degree (preferred)

Tools

Creo

Inventor

SolidWorks

Ansys

SolidWorks Simulation

Job description

MUST HAVE MUD PUMP EXPERIENCE. We are seeking a Mechanical Engineer for a direct hire opportunity in Houston, TX, supporting the design and development of mud pumps, positive displacement pumps, frac pumps, and related mechanical equipment used in demanding industrial and oilfield environments. This is an excellent opportunity for an experienced machine design engineer who wants to contribute to high-impact equipment development while working with a knowledgeable engineering team and supportive leadership. The role offers a collaborative environment, technical challenge, stability, and the opportunity to influence product performance, reliability, safety, and manufacturability. The ideal candidate will bring hands‑on mechanical design experience, strong analytical capability, and a practical engineering mindset. This position is well suited for someone who enjoys taking concepts through detailed design, analysis, testing, documentation, and continuous improvement.

Key Responsibilities

• Design and refine mechanical equipment, including mud pumps, positive displacement pumps, frac pumps, and related systems.
• Develop detailed layouts, drawings, tolerance studies, component specifications, and engineering documentation.
• Perform stress analysis and support FEA activities to validate component strength, durability, and performance.
• Create and execute test plans for mechanical components and systems to confirm function and reliability.
• Collaborate with cross-functional teams on equipment conceptualization, product development, specification, and design reviews.
• Research hardware, software, purchased components, and manufacturing considerations to improve equipment performance and cost-effectiveness.

Compensation and Benefits

• Direct hire opportunity.
• Salary range: $90,000 to $118,000 per year, based on experience and final role alignment.
• Bonus potential: 10 percent incentive compensation plan, dependent on company profit margin.
• Location: Houston, TX.
• Hybrid schedule after training: 3 days in office and 2 days remote once fully trained and working independently.
• Core hours: 9:00 AM to 4:00 PM, with flexibility to start earlier.
• Minimal travel required, including potential domestic travel about once per year and possible international travel once every 2 to 3 years.
• Relocation assistance may be considered for the right candidate.
• Dress code: Business casual.

Required Qualifications and Skills

• Design and develop mud pumps, positive displacement pumps, frac pumps, or closely related mechanical equipment.
• Support machine design projects from concept through analysis, testing, documentation, and production support.
• Perform mechanical calculations, stress analysis, tolerance studies, and design validation.
• Partner with engineering, manufacturing, and technical teams to improve equipment performance, reliability, and safety.
• Bachelor’s degree in Mechanical Engineering is required.
• 5 or more years of experience developing machines, mechanical systems, or heavy industrial equipment.
• Direct design experience with mud pumps, positive displacement pumps, frac pumps, or closely related equipment is required.
• Proficiency with CAD software such as Creo, Inventor, or SolidWorks.
• Experience using FEA tools such as Ansys or SolidWorks Simulation.
• Ability to read and interpret P&ID drawings, electrical schematics, and hydraulic schematics.
• Strong understanding of mechanical design principles, component selection, tolerance analysis, and engineering documentation.
• Strong problem-solving, analytical, and communication skills.
• Ability to work effectively in a collaborative engineering team environment with attention to detail and quality.

Preferred Qualifications

• Master’s degree in Mechanical Engineering or a related technical field.
• Hands‑on experience with mechanical systems, welding, fabrication, assembly, testing, or related technical hobbies.
• Experience working in an ISO or API Q1 certified manufacturing environment.
• Familiarity with API 6A, API 7K, API 8C, or related industry specifications.
• Experience with hydraulic systems, including design, integration, troubleshooting, or implementation.
• Background in oilfield equipment, pressure pumping equipment, drilling equipment, or heavy-duty rotating and reciprocating machinery.

Equal Opportunity Employer / Disabled / Protected Veterans

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For temporary assignments lasting 13 weeks or longer, AppleOne is pleased to offer major medical, dental, vision, 401k and any statutory sick pay where required.

We are committed to working with and providing reasonable accommodations to individuals with disabilities. If you need a reasonable accommodation for any part of the employment process, please contact your staffing representative who will reach out to our HR team.

AppleOne participates in the E-Verify program in certain locations as required by law. Learn more about the E-Verify program.

We also consider for employment qualified applicants regardless of criminal histories, consistent with legal requirements, including, if applicable, the City of Los Angeles’ Fair Chance Initiative for Hiring Ordinance. Pursuant to applicable state and municipal Fair Chance Laws and Ordinances, we will consider for employment-qualified applicants with arrest and conviction records, including, if applicable, the San Francisco Fair Chance Ordinance. For Los Angeles, CA applicants: Qualified applications with arrest or conviction records will be considered for employment in accordance with the Los Angeles County Fair Chance Ordinance for Employers and the California Fair Chance Act.