Sr. Manager, Payroll and Stock Administration position at Hadrian Automation.| United States Of America

Hadrian Automation Sr. Manager, Payroll and Stock Administration

Experience: General

Pattern: full-time

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Bachelor's (B.Sc.)

Los Angeles....United States Of America

Hadrian - Manufacturing the Future Hadrian is building autonomous factories that help aerospace and defense companies manufacture rockets, satellites, jets, and ships up to 10x faster and up to 2x cheaper. By combining advanced software, robotics, and full-stack manufacturing, we are reinventing how America produces its most critical parts. Valued at $1.6B, we’re accelerating our mission with the launch of Factory 3 in Mesa, Arizona, a 290,000-square-foot facility creating 350 new jobs. We are expanding rapidly to support thousands of future hires, launching Hadrian Maritime to expand into naval production, and introducing a Factory-as-a-Service model that delivers complete systems instead of individual parts. Hadrian is backed by leading investors including T. Rowe Price, Lux Capital, Founders Fund, and Andreessen Horowitz, our fast-growing team is united around reindustrializing American manufacturing for the 21st century and beyond. The Role At Hadrian, accuracy, trust, and operational rigor are foundational. Payroll and equity touch every employee and require exceptional care, precision, and coordination. As we scale rapidly across locations, roles, and compensation structures, we need a dedicated owner who can ensure these critical processes run smoothly and reliably. We are hiring a Payroll and Stock Administrator to own the day to day administration of payroll and equity programs. This role sits within the People Operations team and works closely with Total Rewards, Finance, Legal, and People Tech to ensure employees are paid accurately, equity is administered correctly, and all systems and records stay clean and compliant. This role is ideal for someone who is highly detail oriented, systems minded, and comfortable operating in a fast paced, high growth environment. You will be trusted with sensitive data and play a key role in maintaining employee confidence in Hadrian’s compensation and ownership programs. What You’ll Do Payroll Administration · Own the execution of payroll across all employees, ensuring timely and accurate processing each pay period using Rippling or similar payroll systems. · Manage payroll inputs including new hires, terminations, pay changes, bonuses, commissions, and corrections in partnership with People Operations and Finance. · Reconcile payroll data between HRIS, payroll systems, and finance systems to ensure accuracy and alignment. · Respond to employee payroll questions with accuracy, discretion, and professionalism. · Support payroll audits, filings, and compliance requirements, including coordination with Finance and external partners as needed. Equity and Stock Administration · Administer Hadrian’s equity programs, including stock option grants, vesting schedules, exercises, expirations, and terminations. · Prepare and distribute equity grant agreements and related documentation in coordination with People Operations, Legal, and Finance. · Maintain accurate, up to date records in the equity management system and ensure ongoing reconciliation with HRIS data. · Process employee stock option exercises and support employees through the exercise workflow, including timelines, documentation, and system steps. · Monitor vesting schedules and key equity milestones, including post termination exercise windows, and proactively flag upcoming deadlines. · Serve as a primary point of contact for employee questions related to equity administration, vesting mechanics, and equity processes, while clearly communicating where tax or legal advice is required. · Support equity related reporting and data preparation for audits, valuations, and required filings. · Coordinate with Legal and Finance to ensure equity actions align with plan documents, approvals, and compliance requirements. Cross Functional Partnership and Process Ownership · Partner closely with the Manager, Total Rewards to ensure payroll and equity operations align with compensation philosophy, policies, and governance. · Work with People Tech to maintain clean integrations between HRIS, payroll, and equity systems and to troubleshoot data or system issues. · Document and maintain clear SOPs for payroll and equity workflows to support scalability, continuity, and audit readiness. · Identify opportunities to improve accuracy, efficiency, and reliability across payroll and equity operations through process improvements or automation. · Maintain strict confidentiality, data integrity, and professionalism when handling sensitive employee and company information. What We’re Looking For · 4 years or more of experience in payroll administration, equity administration, or a finance role with meaningful ownership of one or both areas. · Experience operating in a high-growth, fast paced, evolving environment. · Hands on experience running payroll for both hourly and salaried employees. · Experience with Rippling payroll is strongly preferred but not required. · Working knowledge of equity compensation concepts including stock options, vesting schedules, grant agreements, and basic tax considerations. · Strong attention to detail and comfort working with sensitive financial and personal data. · Ability to manage recurring cycles, deadlines, and ad hoc requests without sacrificing accuracy. · Clear written and verbal communication skills with a service oriented mindset. · Ability to partner effectively with Finance, Legal, People Ops, and leadership. What Will Set You Apart · Experience administering payroll and equity in a high growth or startup environment. · Hands on experience with Rippling, Carta, Shareworks, or similar payroll and equity platforms. · Experience supporting payroll, equity, or compensation audits. · Strong spreadsheet and reconciliation skills. · Demonstrated ability to improve operational processes and documentation. · A calm, trustworthy presence when handling complex or sensitive employee questions. Compensation For this role, the target salary range is $110,000 - $160,000 (actual range may vary based on experience and performance). This is the lowest to highest salary we reasonably and in good faith believe we would pay for this role at the time of this posting. We may ultimately pay more or less than the posted range, and the range may be modified in the future. An employee's pay position within the salary range will be based on several factors, including, but not limited to, relevant education, qualifications, certifications, experience, skills, geographic location, performance, and business or organizational needs. Benefits Medical, dental, vision, and life insurance plans for employees 401k Relocation support may be provided for certain situations, based on business need. Flexible vacation policy ITAR Requirements To conform to U.S. Government space technology export regulations, including the International Traffic in Arms Regulations (ITAR) you must be a U.S. citizen, lawful permanent resident of the U.S., protected individual as defined by 8 U.S.C. 1324b(a)(3), or eligible to obtain the required authorizations from the U.S. Department of State. Learn more about the ITAR here . Hadrian Is An Equal Opportunity Employer It is the Company’s policy to provide equal employment opportunity for all applicants and employees. The Company does not unlawfully discriminate on the basis of race inclusive of traits historically associated with race (including, but not limited to, hair texture and protective hairstyles, such as braids, locks and twists), color, religion, sex (including pregnancy, childbirth, or related medical conditions), gender identity, gender expression, transgender status, national origin (including, in California, possession of a drivers license), ancestry, citizenship, age, physical or mental disability, height or weight, medical condition, family care status, military or veteran status, marital status, domestic partner status, sexual orientation, genetic information, exercise of reproductive rights, any other basis protected by local, state, or federal laws, or any combination of the above characteristics. When necessary, the Company also makes reasonable accommodations for disabled candidates and employees, including for candidates or employees who are disabled by pregnancy, childbirth, or related medical conditions.

Sr. Manager, Payroll and Stock Administration job opportunity at Hadrian Automation.

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