Oklo
Overview
Thanks for your interest in Oklo! We are searching for a
Payroll and Benefits Specialist II
to join our team. Position Description: The Payroll Specialist II is responsible for ensuring accurate and compliant payroll processing and benefits reconciliation across the organization. This role supports the HR, Legal, and Finance teams to maintain seamless payroll operations, manage benefits integrations, and ensure compliance with federal, state, and local laws. This role will take ownership of payroll and benefits reporting, system maintenance, and process improvements that enhance efficiency and employee experience at Oklo. This position is ideal for a detail-oriented professional with a strong background in payroll administration, benefits reconciliation, and HR systems management. Specific responsibilities may include: Process multi-state, biweekly payroll for exempt and non-exempt employees in Workday, ensuring accuracy, timeliness, and compliance Validate employee data for new hires, terminations, and compensation changes, coordinating with HR, Legal, and Finance Audit payroll entries, deductions, and accruals for accuracy and completeness Ensure proper administration of garnishments, levies, and child support orders, and work with vendors to ensure timely and accurate processing Assist with federal preparing and filing reports (quarterly and annual) Assist in the setup of new tax locations as our operations grow Reconcile health, dental, vision, and retirement plan invoices monthly; identify discrepancies and ensure corrections are processed Coordinate with benefits vendors and brokers to resolve billing issues and support audits Support open enrollment, life event changes, and benefits data audits Partner with the HR Manager to ensure employee benefits deductions and eligibility align with payroll records Administer FSA, HSA, 401(k), and other voluntary benefits contributions and reporting Serve as the subject matter expert for Workday payroll and benefits modules, maintaining data integrity and troubleshooting issues Develop, maintain, and distribute payroll and benefits reports and dashboards for leadership Support HRIS data audits and participate in system upgrades, implementations, and testing Run monthly payroll reports for workers compensation reporting, and submit those reports to vendor Support annual workers compensation audit Recommend and implement process improvements that streamline payroll and benefits operations Minimum Qualifications
3-5 years of experience in payroll, ideally in a high-growth environment Experience with multi-state payroll processing and associated tax regulations Working knowledge of wage laws, benefit plan administration, and general accounting principles Proven track record in benefits reconciliation and compliance auditing Knowledge of equity programs (ISOs, NSOs, RSUs) and their financial and tax implications, and interest in building on this knowledge Experience with payroll and HR data management Proven discretion with high attention to detail when managing confidential compensation data Advanced Excel and HRIS reporting skills; proficiency with Google Workspace or Microsoft Office Excellent communication, analytical, and problem-solving skills Bonus Qualifications
Experience with Workday and ADP is strongly preferred Certifications in SHRM-CP, SHRM-SCP, FPC, CPP, PHR, or related is strongly preferred Startup or high-growth company experience Experience in the nuclear or energy industry Who you are
Oklo is looking for a candidate who is: Passionate about making advanced nuclear a reality Passionate about clean energy Willing and able to learn quickly 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 Able to communicate technical content and results verbally An excellent writer who can write in a modern active voice, so make your cover letter compelling and write it well What kind of person we want
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 enthusiasm to the team and a sense of passion that goes beyond clocking in and out. It is about being part of the vision and helping reach 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: You are able to identify problems and invent ways to solve them without micromanagement, even when things fall outside clear scopes. Detail-oriented: This focus is a big part of excellence, with strong grammar and spelling being important for communication and the company image. 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. Salary may fall outside of the range provided and will be dependent on applicant experience. Oklo offers robust compensation packages including competitive pay, equity, performance bonuses, 401k, health insurance, FSA, flexible work hours, flexible time off and other benefits. About Oklo
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. Oklo Values : Collaboration, Humility, Ownership, Pathfinding — we value teamwork, transparency, curiosity, and proactive problem solving. Compliance and Travel/Work Authorization
Oklo requires employees to travel to headquarters or designated locations as needed. Are you willing and able to travel as required? Also, ensure legal work authorization is in place. The following export control sections describe regulatory requirements and eligibility for roles at Oklo. The questions in this section are for the sole purpose of ensuring compliance with U.S. regulations concerning the export of controlled or protected technologies or information, including 10 CFR Part 810 and 15 CFR Parts 730-774. If offered a position, it will be dependent on meeting export control requirements and any necessary licenses. A U.S. Person has a defined set of criteria, and non-U.S. Persons may be subject to restrictions based on List I countries. This content is required for regulatory compliance and does not affect hiring decisions. Please identify yourself as A, B, or C as described below: ________________________________________________________________________ A
U.S. Person: a U.S. national, U.S. lawful permanent resident, or protected person under the Immigration and Nationality Act. ________________________________________________________________________ B
Not a U.S. Person and affiliated with List I countries (List I is defined per 10 CFR Part 810 and may change). List I
includes: Australia, Germany, Poland, Austria, Greece, Portugal, Belgium, Hungary, Romania, Brazil, Indonesia, Slovakia, Ireland, Slovenia, Canada, Italy, South Africa, Colombia, Japan, Spain, Croatia, Korea, Sweden, Cyprus, Latvia, Switzerland, Czech Republic, Lithuania, Taiwan, Denmark, Luxembourg, Turkey, Egypt, Malta, United Arab Emirates, Estonia, Morocco, United Kingdom, Finland, Netherlands, Vietnam, France, Norway. ________________________________________________________________________ C
Not a U.S. Person and not listed in List I. ________________________________________________________________________ Oklo may require relocation or travel. If applicable, confirm willingness to relocate now or in the near future and travel requirements.
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Thanks for your interest in Oklo! We are searching for a
Payroll and Benefits Specialist II
to join our team. Position Description: The Payroll Specialist II is responsible for ensuring accurate and compliant payroll processing and benefits reconciliation across the organization. This role supports the HR, Legal, and Finance teams to maintain seamless payroll operations, manage benefits integrations, and ensure compliance with federal, state, and local laws. This role will take ownership of payroll and benefits reporting, system maintenance, and process improvements that enhance efficiency and employee experience at Oklo. This position is ideal for a detail-oriented professional with a strong background in payroll administration, benefits reconciliation, and HR systems management. Specific responsibilities may include: Process multi-state, biweekly payroll for exempt and non-exempt employees in Workday, ensuring accuracy, timeliness, and compliance Validate employee data for new hires, terminations, and compensation changes, coordinating with HR, Legal, and Finance Audit payroll entries, deductions, and accruals for accuracy and completeness Ensure proper administration of garnishments, levies, and child support orders, and work with vendors to ensure timely and accurate processing Assist with federal preparing and filing reports (quarterly and annual) Assist in the setup of new tax locations as our operations grow Reconcile health, dental, vision, and retirement plan invoices monthly; identify discrepancies and ensure corrections are processed Coordinate with benefits vendors and brokers to resolve billing issues and support audits Support open enrollment, life event changes, and benefits data audits Partner with the HR Manager to ensure employee benefits deductions and eligibility align with payroll records Administer FSA, HSA, 401(k), and other voluntary benefits contributions and reporting Serve as the subject matter expert for Workday payroll and benefits modules, maintaining data integrity and troubleshooting issues Develop, maintain, and distribute payroll and benefits reports and dashboards for leadership Support HRIS data audits and participate in system upgrades, implementations, and testing Run monthly payroll reports for workers compensation reporting, and submit those reports to vendor Support annual workers compensation audit Recommend and implement process improvements that streamline payroll and benefits operations Minimum Qualifications
3-5 years of experience in payroll, ideally in a high-growth environment Experience with multi-state payroll processing and associated tax regulations Working knowledge of wage laws, benefit plan administration, and general accounting principles Proven track record in benefits reconciliation and compliance auditing Knowledge of equity programs (ISOs, NSOs, RSUs) and their financial and tax implications, and interest in building on this knowledge Experience with payroll and HR data management Proven discretion with high attention to detail when managing confidential compensation data Advanced Excel and HRIS reporting skills; proficiency with Google Workspace or Microsoft Office Excellent communication, analytical, and problem-solving skills Bonus Qualifications
Experience with Workday and ADP is strongly preferred Certifications in SHRM-CP, SHRM-SCP, FPC, CPP, PHR, or related is strongly preferred Startup or high-growth company experience Experience in the nuclear or energy industry Who you are
Oklo is looking for a candidate who is: Passionate about making advanced nuclear a reality Passionate about clean energy Willing and able to learn quickly 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 Able to communicate technical content and results verbally An excellent writer who can write in a modern active voice, so make your cover letter compelling and write it well What kind of person we want
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 enthusiasm to the team and a sense of passion that goes beyond clocking in and out. It is about being part of the vision and helping reach 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: You are able to identify problems and invent ways to solve them without micromanagement, even when things fall outside clear scopes. Detail-oriented: This focus is a big part of excellence, with strong grammar and spelling being important for communication and the company image. 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. Salary may fall outside of the range provided and will be dependent on applicant experience. Oklo offers robust compensation packages including competitive pay, equity, performance bonuses, 401k, health insurance, FSA, flexible work hours, flexible time off and other benefits. About Oklo
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. Oklo Values : Collaboration, Humility, Ownership, Pathfinding — we value teamwork, transparency, curiosity, and proactive problem solving. Compliance and Travel/Work Authorization
Oklo requires employees to travel to headquarters or designated locations as needed. Are you willing and able to travel as required? Also, ensure legal work authorization is in place. The following export control sections describe regulatory requirements and eligibility for roles at Oklo. The questions in this section are for the sole purpose of ensuring compliance with U.S. regulations concerning the export of controlled or protected technologies or information, including 10 CFR Part 810 and 15 CFR Parts 730-774. If offered a position, it will be dependent on meeting export control requirements and any necessary licenses. A U.S. Person has a defined set of criteria, and non-U.S. Persons may be subject to restrictions based on List I countries. This content is required for regulatory compliance and does not affect hiring decisions. Please identify yourself as A, B, or C as described below: ________________________________________________________________________ A
U.S. Person: a U.S. national, U.S. lawful permanent resident, or protected person under the Immigration and Nationality Act. ________________________________________________________________________ B
Not a U.S. Person and affiliated with List I countries (List I is defined per 10 CFR Part 810 and may change). List I
includes: Australia, Germany, Poland, Austria, Greece, Portugal, Belgium, Hungary, Romania, Brazil, Indonesia, Slovakia, Ireland, Slovenia, Canada, Italy, South Africa, Colombia, Japan, Spain, Croatia, Korea, Sweden, Cyprus, Latvia, Switzerland, Czech Republic, Lithuania, Taiwan, Denmark, Luxembourg, Turkey, Egypt, Malta, United Arab Emirates, Estonia, Morocco, United Kingdom, Finland, Netherlands, Vietnam, France, Norway. ________________________________________________________________________ C
Not a U.S. Person and not listed in List I. ________________________________________________________________________ Oklo may require relocation or travel. If applicable, confirm willingness to relocate now or in the near future and travel requirements.
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