Principal Mechanical Engineer

LEAD / PRINCIPAL MECHANICAL DESIGN ENGINEER Deployable Energy Position Summary

Senior, hands‑on mechanical engineering leader responsible for building and executing mechanical engineering capability within a fast‑scaling advanced nuclear technology company. The organization is financially stable, lean, entrepreneurial, and operating in a fast‑paced environment with significant ambiguity. This role requires immediate ownership, strong execution, and the ability to establish discipline standards while remaining directly involved in plant, system, equipment, and component delivery.

Functional

Scope Mechanical design Engineering

Provide technical leadership and subject matter expertise for mechanical engineering activities across multiple programs, ensuring high-quality engineering execution, technical rigor, and successful delivery of complex plant, system, equipment, and component designs.

Pressure Vessels, Heat Exchangers, Piping Systems, Plant Systems, and Mechanical Equipment/Components

Lead the design, specification, analysis, technical configuration control procurement specification, of pressure vessels, heat exchangers, piping systems, plant systems, and critical mechanical equipment in accordance with project, regulatory, and operational requirements.

Process Systems, System Design, Equipment Specification, and Plant Design/Build Execution

Direct process and mechanical system design activities, establish equipment requirements and specifications, and provide technical leadership throughout plant design, construction, testing, startup, and commissioning phases.

ASME and ANSI Boiler & Pressure Vessel Code, Pressure Vessel Codes, Piping Codes, and Industrial Engineering Standards

Serve as the discipline authority for the application and interpretation of ASME and ANSI and other applicable engineering codes, standards, and regulatory requirements, ensuring compliant, safe, and robust engineering solutions.

Materials Engineering Exposure Viewed Positively

Provide engineering oversight and technical input regarding material selection, degradation mechanisms, fabrication methods, and component performance to support safe, reliable, and cost-effective system designs.

Structural / Stress Analysis

Review and guide structural, mechanical, and stress analysis activities as applicable, ensuring analytical approaches, assumptions, and results support sound engineering decisions and design integrity.

Manufacturing, Supplier Support, Testing, Installation, Commissioning, and Engineering Execution

Lead technical interfaces with suppliers, manufacturers, fabricators, testing organizations, and project teams to ensure successful equipment delivery, issue resolution, validation testing, installation, commissioning, and operational readiness.

Engineering Configuration and Change Management

Establish and maintain disciplined configuration management and change‑control practices, ensuring engineering documentation, design modifications, technical decisions, and design records remain accurate, traceable, reviewed, and compliant throughout the project lifecycle.

Technical Leadership

• Serve as a senior technical resource and subject matter expert within the assigned discipline.
• Lead and personally execute complex technical work across multiple nuclear projects and programs.
• Establish and maintain discipline‑specific engineering standards, methodologies, procedures, and best practices.
• Lead and participate in technical reviews, design reviews, and technical decision‑making.
• Identify and resolve complex multidisciplinary engineering issues while maintaining appropriate technical rigor.

Engineering / Technical Execution

• Perform and review mechanical engineering calculations, analyses, specifications, and technical evaluations.
• Lead the design and evaluation of mechanical systems, equipment, components, and interfaces.
• Support engineering activities from early design through detailed design, testing, implementation, and ongoing technical support.
• Perform or oversee structural, stress, mechanical, and related engineering analyses as applicable.
• Coordinate with drafting/design resources to develop and maintain controlled engineering…