Job Details:
Senior Mechanical Engineer – Job Description
The Senior Mechanical Engineer is responsible for leading the design, analysis, and lifecycle management of complex mechanical and thermal-fluid systems in highly regulated, reliability-driven environments. This role oversees system architecture development, performs advanced engineering analysis, and supports projects from initial requirements and conceptual design through fabrication, testing, and commissioning.
Key Responsibilities
- Lead the design and development of mechanical systems including pressure vessels, rotating equipment, heat exchangers, piping systems, and thermal-fluid components.
- Perform structural, thermal, and fluid flow analysis using engineering tools such as ANSYS, CFD, and hydraulic modeling software to validate system performance.
- Conduct steady-state and transient thermal and hydraulic calculations to ensure systems meet performance and safety requirements.
- Develop and maintain engineering documentation including calculation packages, design basis reports, technical specifications, and fabrication drawings.
- Ensure designs comply with applicable industry codes and standards such as ASME Boiler & Pressure Vessel Code, B31.3, API, and other regulatory requirements.
- Collaborate with cross-functional teams including electrical, civil, and controls engineers to integrate mechanical systems into larger projects.
- Support procurement and vendor management by preparing technical specifications, reviewing vendor submittals, and verifying equipment compliance.
- Lead design reviews, risk assessments, and root cause investigations to improve system reliability and safety.
- Manage engineering change control and configuration management to maintain design integrity and traceability.
- Provide technical leadership and mentorship to junior engineers and support manufacturing, installation, and commissioning activities.
Typical Deliverables
- Mechanical system designs and equipment specifications
- FEA/CFD analysis reports and performance calculations
- P&IDs, general arrangement drawings, and fabrication packages
- Vendor technical evaluations and procurement documentation
- Engineering change orders and technical reports
Tools & Technologies
- FEA/CFD: ANSYS Workbench, Fluent, LS-DYNA, OpenFOAM
- CAD: SolidWorks, Siemens NX, Inventor, NavisWorks
- Engineering Analysis: PipeFLO and thermal-fluid modeling tools
This role plays a critical part in ensuring mechanical systems are safe, code-compliant, reliable, and optimized for performance throughout the project lifecycle.
To apply, submit resume to jd@libertyjobs.com
Joseph P. Durkin
Liberty Personnel Services, Inc.
1001 Conshohocken State Rd, Ste 2-410
West Conshohocken, PA 19428