• Maintain involvement with all technical details of the project • Perform engineering design and checking as required • Review and confirm engineering deliverables comply with codes • Act as primary technical point of contact for the client • Support equipment procurement and produce engineering proposals • Maintain health, safety, and environmental focus in design processes

Overview NexGen is looking to add a Mechanical Superintendent to their growing team. Responsibilities Why NexGen? NexGen Contracting, the self-perform arm of Gray, is based in Franklin, TN, and specializes in executing turnkey project scopes, including concrete, steel, millwright, and finishes. NexGen is fully integrated with Gray Construction and serves as a preferred subcontractor. The NexGen team is made of career, trade-specific professionals and core craftsmen with decades of experience who are dedicated to meeting our customers’ unique needs. NexGen offers a wide range of self-perform services, which include supervision, administration, craft labor, materials, tools, documentation, consumables, and safety devices to successfully carry projects from start to finish. Why Gray? Gray is a fully integrated, global service provider deeply rooted in engineering, design, and construction, along with smart manufacturing and equipment manufacturing services. Consistently ranked as a leader in the industry, we focus on the following markets for domestic and international customers: Food & Beverage, Manufacturing, Automotive, Distribution, Mission Critical, and Commercial. Founded in 1960, Gray’s robust offering enables us to create one-of-a-kind solutions at the highest levels of customization, delivering unmatched precision and partnership to some of the world’s most sophisticated organizations. Still, these areas don’t define Gray—our people do. Passion, commitment, and a great team spirit all speak to the team members at Gray. Qualifications Who we want… (Requirements) Bachelor's degree from four year college or university; or minimum of five years concrete related experience and/or training; or equivalent combination of education and experience. Must possess basic computer skills including the ability to utilize word processing, spreadsheet and email applications. The new team member should be an energetic, self-motivated individual who enjoys a team environment, as well as a passion for collaboration and professional development. If you are a high achiever striving to exceed expectations in a fast-paced innovative company, then Gray is the place for you. The requirements listed above are representative of the knowledge, skill, and/or ability required. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions. What we expect… (Essential Functions) - Establish and maintain high safety and quality standards in accordance to company and industry standards. - Studies specifications and blueprints to plan procedures for materials and construction on basis of starting and completion times. - Assembles and schedules appropriate team members (supervisory, clerical, engineering, and field workers) and sub-contractors at start of project, as well as coordinating staffing requirements throughout the project. - Sets up construction site. Procures tools and materials to be delivered at specified times to conform to work schedules. - Confers with and directs supervisory personnel and subcontractors engaged in planning and executing work procedures, interpreting specifications, and coordinating various phases of construction to prevent delays and ensure quality. - Confers with supervisory personnel to resolve complaints and grievances within work force. - Confers with supervisory and engineering personnel, inspectors and suppliers of tools and materials to resolve construction problems and improve construction methods. - Inspects work in progress to ensure that workmanship conforms to specifications, safety measurements and the adherence to construction schedules. - Prepares or reviews reports on progress, materials used and costs, and adjusts work schedules as indicated by reports. - Ensure that appropriate documentation and cost associate documents are completed correctly and in a timely manner. - Ensure that purchase orders, receiving reports, and timesheets are correctly coded. - Directs workers concerned with major maintenance or reconditioning projects for existing installations. - Responsible for the communication, implementation and enforcement of Gray’s safety program on site. - Other duties may be assigned. Physical Demands & Work Environment The physical demands described here are representative of those that must be met by a team member to successfully perform the essential functions of this job. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions. While performing the duties of this position, the team member is frequently required to stand, walk, sit, use hands and arms, reach, and talk or hear. They are regularly required to climb or balance, stoop, kneel, or crouch. Must frequently lift and/or move up to 25 lbs, and occasionally lift or move up to 100 lbs. Specific vision abilities include accurate near and distant vision. While performing the duties of this job, the team member is frequently exposed to wet and/or humid conditions, moving mechanical parts, and outside weather conditions. The team member is occasionally exposed to high precarious places, fumes or airborne particles, extreme cold and/or heat, risk of electrical shock, explosives, and vibration. The noise level is generally moderate to loud. Overtime may be required. Supervisory Responsibilities May manage subordinate supervisors and other field/craft personnel. Carries out supervisory responsibilities in accordance with the organization's policies and applicable laws. Responsibilities include training team members; planning, assigning, and directing work; appraising performance; rewarding and disciplining team members; addressing complaints and resolving problems. EEO Disclaimer Our Company will be proactive in employing and advancing qualified individuals regardless of race, color, religion, sex, national origin, age, disability, genetic information, protected veteran status, or any other protected status. #NexGen

• Apply lifecycle design principles including maintainability, inspectability, and decommissioning • Integrate remote handling requirements into hardware architecture and system interfaces • Develop and maintain interface control documentation supporting plant-level integration • Design, build, and evaluate 1:1 scale mockups and integration test articles to validate handling concepts • Develop structured test plans and acceptance criteria for full-scale demonstrations • Coordinate test readiness reviews with QA and Systems Engineering • Implement design updates based on mockup results, demonstrations, and operational feedback • Support project planning and cost estimation for integration and testing activities • Interface with vendors to ensure manufacturability and feasibility of specialized components • Conduct risk and reliability assessments for maintenance systems • Ensure compliance with nuclear regulations, safety standards, and applicable codes • Maintain configuration-controlled design documentation • Develop remote handling hardware enabling efficient component repair and replacement • Lead hands-on design-build-test cycles to mature handling approaches • Execute full-scale integration mockups to validate reach, clearances, tooling alignment, ergonomics, and sequencing • Collaborate with reactor systems and operations teams to define online and offline maintenance strategies • Identify integration risks early and mitigate through rapid prototyping and physical demonstration • Align demonstration opportunities with reactor and facility schedules • Develop execution plans for rapid, high-value physical demonstrations • Support inspections, installations, shakedown, tuning, and commissioning activities • Capture lessons learned from mockups and integration testing to inform future designs • Partner with engineering, laboratory, shop, and materials teams to execute accelerated hardware development • Coordinate cross-disciplinary integration efforts to ensure cohesive system performance • Publish engineering reports documenting design details, mockup results, and integration findings • Contribute to design basis documentation and regulatory submittals • Share technical knowledge and best practices across the organization • Mentor junior engineers in hardware design, integration, and prototype testing

• Support design phase and engineer major components for large-scale energy storage projects • Recognize inconsistencies in engineering drawings, take corrective action, and strive for better design quality and efficiency • Identify and resolve errors in engineering studies and suggest future solutions • Prepare technical scopes of work for contracts • Support projects from inception to completion by working closely with project managers • Influence project teams on engineering tasks • Stay updated on project progress and technical issues • Manage project milestones and recognize risks • Collaborate with suppliers to integrate major equipment • Work with diverse teams to solve problems, improve opportunities, and integrate systems and controls • Understand specifications for major equipment purchasing, ensure clear communication, and propose solutions • Understand permitting requirements, propose solutions to legal challenges, and recommend site design improvements • Handle other assigned duties as needed • Travel 25% of the time for project specific duties