Freelance Hydraulic System Design Engineer Jobs (NOW HIRING)

Job Title: CRD System Design Engineer (Mechanical)

Company: System One

Location: Bellevue, WA / Remote

Pay Rate: $54.00 - $90.00 per Hour

Position Type: Contract

Duration: 12 Months with Possible Extension

Position Overview

System One is seeking a CRD System Design Engineer (Mechanical) to support the design and delivery of an advanced Control Rod Drive (CRD) System for a next-generation nuclear energy project. This role will support the ongoing development, integration, and implementation of critical reactor systems while working within a multidisciplinary engineering environment.

The selected candidate will collaborate with project managers, design engineers, analysts, test engineers, supply chain teams, and other engineering disciplines to support the successful development and deployment of advanced reactor technology.

Key Responsibilities

• Design nuclear and industrial mechanical systems including requirements development, engineering analyses, specifications, and system drawings.

• Develop and maintain system architecture and design documentation, including Design Basis Documents, P&IDs, Logic Diagrams, and Interface Control Documents.

• Establish equipment design bases, including regulatory requirements, performance criteria, functional requirements, and failure mode evaluations.

• Coordinate with multidisciplinary engineering teams including nuclear, thermal hydraulic, mechanical, instrumentation and controls, and civil/structural engineering.

• Evaluate equipment development requirements and support implementation of technology development strategies.

• Develop engineering solutions that support operability, maintainability, reliability, and lifecycle performance.

• Manage technical interfaces with suppliers and review supplier engineering deliverables.

• Provide technical oversight of supplier projects and coordinate technical reviews in partnership with supply chain teams.

• Prepare engineering calculations, design reports, specifications, drawings, and engineering change packages.

• Support licensing activities including safety analysis reports, technical specifications, topical reports, and other regulatory documentation.

• Participate in design reviews and milestone assessments to verify design completeness and compliance.

• Promote continuous improvement initiatives and application of nuclear industry best practices.

Required Qualifications

• B.S. in Mechanical Engineering or related engineering discipline from an accredited university.

• 6+ years of relevant mechanical engineering experience for Level 10.

• 10+ years of relevant mechanical engineering experience for Level 11.

• Advanced degree may be considered in lieu of a portion of required experience.

• Demonstrated experience designing complex mechanical systems, pressure vessels, or multidisciplinary engineered systems.

• Strong understanding of configuration management principles and design control processes.

• Experience supporting engineering activities under quality programs such as ASME NQA-1 or ISO 9001.

• Excellent technical writing, communication, and presentation skills.

• Strong problem-solving abilities and attention to detail.

• Ability to work independently and effectively within multidisciplinary engineering teams.

• Ability to manage competing technical priorities and multiple concurrent assignments.

Preferred Qualifications

• Experience with nuclear reactor systems, advanced reactor technologies, or high-temperature pressure vessel design.

• Working knowledge of ASME Boiler & Pressure Vessel Code Section III.

• Experience developing technical documentation supporting system architecture and design.

• Professional Engineer (PE) license preferred but not required.

• Experience supporting nuclear licensing activities and regulatory compliance.

• Experience with supplier oversight, technical integration, and engineering deliverables management.

The successful candidate will demonstrate strong technical leadership, engineering excellence, attention to detail, and the ability to thrive in a fast-paced, collaborative engineering environment.

System One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America. We help clients get work done more efficiently and economically, without compromising quality. System One not only serves as a valued partner for our clients, but we offer eligible employees health and welfare benefits coverage options including medical, dental, vision, spending accounts, life insurance, voluntary plans, as well as participation in a 401(k) plan.

System One is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender identity, age, national origin, disability, family care or medical leave status, genetic information, veteran status, marital status, or any other characteristic protected by applicable federal, state, or local law.

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