Construction Field Engineer / Construction Supervisor

Thanks for your interest in Oklo! We are searching for a Construction Field Engineer / Construction Supervisor to join our team. Position Description Oklo is seeking a Construction Field Engineer / Construction Supervisor to support onsite execution of first-of-a-kind advanced nuclear and infrastructure projects, including Aurora at INL, the Meitner facility, and other projects as assigned. This role is field-forward and execution-driven, providing direct support to the Oklo CPM and broader project team across construction planning, field oversight, technical administration, and turnover. The ideal candidate brings strong hands-on construction experience, comfort operating in regulated and high-consequence environments, and the ability to bridge engineering, quality, safety, and craft execution. This role is critical to ensuring construction activities are executed safely, compliantly, and in alignment with design, quality, and schedule objectives. This is an on-site position in Idaho Falls, ID. Specific responsibilities may include: Field Execution & Construction Oversight Support daily field execution activities across civil, structural, mechanical, electrical, and specialty subcontract scopes Perform construction supervision, field inspections, and oversight to verify work is executed in accordance with drawings, specifications, codes, and approved procedures Support receipt inspection of materials and equipment, verifying compliance with procurement requirements, certifications, and quality documentation Assist with site logistics planning, laydown coordination, access control, and work sequencing Coordinate onsite activities between subcontractors, Oklo CPM, engineering, quality, safety, and operations Monitor construction progress, identify field constraints, and proactively escalate issues impacting safety, quality, cost, or schedule Support verification of material traceability, storage requirements, and preservation controls in accordance with quality requirements Assist with work package readiness, including verification of approved drawings, permits, inspections, and prerequisite work Support field walkdowns, pre-task planning, daily coordination meetings, and shift turnovers Assist with resolution of field-generated issues, including constructability concerns, access constraints, and sequencing conflicts Support site housekeeping, work area control, and compliance with site-specific safety and security requirements Construction Administration & Technical Support Support design and construction document control, including: Requests for Information (RFIs) Submittals and shop drawings Construction tracking logs (RFIs, submittals, NCRs, punchlist, inspections) Assist with constructability reviews and design reviews in coordination with engineering and quality teams Support development, implementation, and execution of Inspection and Test Plans (ITPs) Coordinate and participate in inspections with Quality Assurance, third-party inspectors, and Authority Having Jurisdiction (AHJ) representatives as required Quality, Safety & Compliance Support implementation of Integrated Safety Management System (ISMS), Conduct of Construction, and site-specific safety requirements Verify work is performed in compliance with applicable codes, standards, permits, and regulatory requirements Assist with identification, documentation, and resolution of quality issues and nonconformances Promote a strong safety culture through field presence, engagement, and adherence to approved work practices Turnover, Testing & Closeout Support testing, commissioning, and turnover activities for completed systems and structures Assist with compilation, review, and validation of turnover documentation packages Track punchlist completion and support readiness for beneficial use and operational handover Coordinate with engineering, quality, and operations to ensure acceptance criteria are met General Project Support Provide direct support to the Oklo CPM with planning, reporting, and administrative tasks as required Support schedule updates through field input and progress verification Assist with cost awareness, change identification, and field-driven issue resolution Participate in continuous improvement of construction processes, field workflows, and documentation standards Minimum Qualifications: 8+ years of construction experience across heavy civil, infrastructure, industrial, or mission-critical facilities Experience supporting construction activities in regulated or high-consequence environments (DOE, nuclear, aerospace, industrial, or similar) Strong understanding of construction drawings, specifications, means and methods Experience with RFIs, submittals, inspections, ITPs, and turnover documentation Proven ability to coordinate field activities across multiple disciplines and stakeholders OSHA 30 required; additional safety and quality certifications a plus Must be based in or relocate to work onsite in Idaho Falls; travel to other Oklo project locations as needed Competencies We are looking for a Construction Field Engineer / Construction Supervisor that is: Passionate about clean energy Passionate about making advanced fission a reality Willing and able to learn quickly Eager to work on a dynamic team, receive constructive feedback, and grow with us Willing to think differently and do things in new ways Comfortable in a fast-paced, highly iterative startup environment Excited to think creatively, critically, and reflectively about the problems they are solving, while not leaning only on what has been done before Willing to propose novel and creative solutions to technical problems An excellent writer who can write in modern active voice, so make your cover letter compelling and write it well! Able to communicate technical content and results verbally Who you are: A startup person: You aren't driven by titles or hierarchy, and prefer efficiency to excess process. You don't need or expect to have a lot of guidance but you enjoy working in a fast-paced team. If you prefer the culture and feel of a large organization, that is great, but you likely won’t enjoy working with us! There is plenty of important work and plenty of good opportunities with organizations like that. Motivated: You are self-motivated. You bring an enthusiasm to the team, and imbue a sense of passion that goes beyond clocking in and clocking out. This isn’t about a fake or arbitrary “pieces of flair” mentality or lack of work-life balance! It is about being a part of the vision and feeling a part of reaching team goals. A team-player: Oklo genuinely is a team. We aren’t about taking credit for ourselves, and we aren’t about pushing blame to others. We do incredible things because we work as a team. An excellent communicator: We need a person who is not only technically competent but also a clear and upbeat communicator. Creative: Being creative means that when things fall outside clear scopes or processes or problems arise without clear solutions, you are able to identify it as well as invent ways to solve a problem or fill a need without micromanagement. The successful person in this job will not only be creative, but also enjoy being creative and solving open-ended problems which may change day-by-day. Detail-oriented: This focus is a big part of excellence, consistency, and quality. Excellent grammar and spelling matter for both good communication as well as the image of the company that we put forward. About Oklo travel requirements: Oklo requires remote employees to travel to headquarters (Santa Clara, CA) twice a quarter annually, based on business or team needs, including attendance at team meetings, off-sites, and other company events or gatherings. For the first two weeks of onboarding, employees are required to be in person at headquarters in Santa Clara, CA. About Oklo compensation: Salary: $110,000-$135,000 Oklo offers flexible time off, equity, competitive pay, 401k, health insurance, FSA, flexible work hours, and other benefits. This position may involve access to information subject to U.S. export control laws. Only applicants who meet the definition of a U.S. person under applicable laws may be eligible. About Oklo Inc.: Oklo Inc. is developing fast fission power plants to deliver clean, reliable, and affordable energy at scale; establishing a domestic supply chain for critical radioisotopes; and advancing nuclear fuel recycling to convert nuclear waste into clean energy. Oklo was the first to receive a site use permit from the U.S. Department of Energy for a commercial advanced fission plant, was awarded fuel material from Idaho National Laboratory, and submitted the first custom combined license application for an advanced reactor to the U.S. Nuclear Regulatory Commission. Oklo is also developing advanced fuel recycling technologies in collaboration with the U.S. Department of Energy and U.S. National Laboratories. #CHOP: Oklo’s Values Collaboration: We go further, together. We bring diverse perspectives, listen actively, and build trust through transparency and respect. We work across disciplines, sharing ownership to turn complex challenges into shared successes. Humility: We are team players who act for the good of the company and for the world. We are focused on our mission, not personal recognition. Ownership: We take pride in what we do and how we do it. We are proactive in finding solutions and see tasks through to completion. We are committed to delivering on our promises to provide clean, reliable, and affordable energy. Pathfinding: We chart new ground where no path exists by approaching challenges with curiosity, courage, and creativity while navigating ambiguity. Candidates should be aware that employment may be contingent upon successful completion of a drug screening, and employees may be subject to drug testing at any time in accordance with company policy and applicable laws. Recruitment Fraud Disclaimer Oklo is aware of recent recruitment fraud attempts targeting job seekers. Please be cautious of anyone claiming to represent Oklo who does not contact you from an official Oklo email address. All legitimate communications from our recruiting team— including application updates, interview requests, and job offers — will come exclusively from an @oklo.com email. Oklo will never ask for sensitive personal information, payments, or account credentials during the hiring process. If you receive suspicious outreach or have concerns about the authenticity of any communication claiming to be from Oklo, please contact us through the official channels listed on our website.