Benefits & Payroll Specialist, Muon Space

• 3+ years of dedicated experience in multi-state payroll and benefits administration within a fast-paced, high-growth, or startup environment
• Employee-First Communication: Exceptional written and oral communication skills, with an approachable, kind demeanor and a service-oriented mindset that supports team members at every stage and level
• Multi-State Compliance Expertise: Proven track record managing multi-state payroll compliance, registering in new states, and keeping up with evolving labor and tax guidelines
• Proven Audit Experience: Direct hands-on experience leading or supporting internal data hygiene checks and external audits (401k, Workers' Compensation)
• High Empathy & Discretion: Ability to manage sensitive compensation, financial, and benefits data with sound judgment, ultimate discretion, and deep respect for confidentiality
• Tech & Automation Savvy: Comfortable with Google Workspace, Slack, and HRIS/Payroll platforms (Rippling), with a natural knack for leveraging automation to eliminate tedious manual work and improve systems
• Detail-Oriented & Autonomous: Exceptional organizational skills with the ability to manage multiple priorities independently on critical deadlines
• We encourage you to apply, even if you don't check all the boxes, and we look forward to reviewing your application!

Desirable

• We're seeking an employee-experience-driven, detail-oriented Benefits & Payroll Administrator
• You’ll be stepping into a critical position where administrative accuracy directly impacts team trust, morale, and peace of mind
• You’ll lead day-to-day payroll and benefits functions, navigate multi-state compliance, and serve as a champion for an exceptional, frictionless employee experience for the People Operations team
• You’ll thrive in this role if you are energized by fast-paced environments, view compliance and operational precision as foundational to great employee care, and love solving complex operational problems with empathy, speed, and clarity
• Payroll Execution & Trust: Deliver flawless, timely multi-state payroll for all exempt and non-exempt employees, serving as a reliable steward of employee pay and compensation trust
• Empathetic Employee Support: Act as the primary, high-touch point of contact for day-to-day payroll and benefits inquiries, translating complex policies into clear, supportive guidance across all levels of the organization
• 401(k) Remittance & Funding: Manage the post-payroll funding process by ensuring timely and accurate transmission of all employee 401(k) deferrals to our plan provider, maintaining strict adherence to DOL and ERISA standards
• Benefits Experience: Oversee day-to-day benefits operations, enrollments, and status updates. Partner with People Ops leadership and benefits brokers to design and execute a seamless annual open enrollment experience
• Distributed Workforce Expansion: Support team members wherever they live by leading payroll registration, tax setup, and compliance renewals as we expand into new states
• Audits & Data Integrity: Conduct regular internal audits of payroll and benefits records to protect data hygiene, while leading external compliance audits (e.g., 401k, Workers' Comp) with precision
• HRIS Optimization: Maintain accurate employee profiles, compensation, and benefits data within the HRIS to ensure smooth cross-platform workflows and reliable self-service tools for employees