Sr. Principal Mechanical Systems Design Engineer

RZS Recruitment; San Diego (CA); On-site; USD 125,000 - 145,000; Full time

Job summary

A leading recruitment firm is seeking a Sr. Principal Mechanical Systems Design Engineer in San Diego, California. This hybrid role requires strong expertise in mechanical systems design with a focus on hydro-mechanical systems. The ideal candidate should have over 10 years of experience, excellent communication skills, and proficiency with P&ID and engineering tools. Compensation ranges from $125,000 to $145,000, offering an exciting opportunity to lead engineering projects in a dynamic environment.

Qualifications

• 10+ years of mechanical systems design experience.
• Experience with Piping and Instrumentation Diagrams (P&ID) and process flow calculations.
• Ability to effectively communicate with engineering teams and field personnel.

Responsibilities

• Conceptual system design and functional, easily manufactured hydro-mechanical systems.
• Develop product-specific Process & Instrumentation Diagrams.
• Support field personnel during commissioning and installation.

Skills

Mechanical systems design

Piping and Instrumentation Diagrams (P&ID)

Verbal communication

Written communication

Organizational skills

Education

Bachelor's Degree in Engineering

Master's Degree in Engineering

Tools

Creo

Matlab

Promis-E (V8i)

Job description

Sr. Principal Mechanical Systems Design Engineer

Scheduled work from home days – scheduled. Hybrid (Full-time): min 2 days per week in office (more if needed). Industry: Energy – Oil / Refinery / Drilling. Job Category: Engineering – Mechanical. Bachelor's Degree in Engineering.

Compensation: USD $125,000 to $145,000. Relocation Assistance: No. Interview Travel Reimbursed: No. Candidate Details: 10+ to 15 years experience. Seniority Level: Mid-Senior. Minimum Education: Bachelor's Degree. Willingness to Travel: Occasionally.

Security Clearance Required: No. Visa Candidate Considered: No.

Responsibilities: In this key role spans from conceptual system design to providing functional, easily manufactured, and tested hydro‑mechanical systems. This includes component design or selection to ensure safe and reliable operation of new equipment. Duties include interpreting product and project requirements, as well as the development of product‑specific Process & Instrumentation Diagrams. This position requires work in multiple systems engineering areas including factory testing, design analysis, cost reduction, supplier interfaces, product quality troubleshooting and application of new technologies. Excellent written and verbal communication skills are imperative. Additional responsibilities include supporting field personnel during commissioning and installation of our equipment.

Minimum Qualifications: A BS degree in Engineering or related degree. 10+ years of mechanical systems design experience including experience with Piping and Instrumentation Diagrams (P&ID), process flow calculations, etc.

Preferred Qualifications:

• The ideal candidate will have experience with hydro‑mechanical systems applications, design, and operations.
• Expertise in theory and design of turbomachinery subsystems (lube oil system, fuel system, start system, and/or seal systems).
• Masters Degree in Engineering or related degree.
• A good understanding of manufacturing and testing processes.
• Experience with P&ID Creation tools similar to Promis‑E (V8i) software platform.
• Experience with Creo and Matlab or other Simulation/Modeling tools.
• A sense of urgency and organizational skills are required to work with multiple projects and competing priorities.

Skills and Certifications [note: bold skills and certification are required]