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TENEX.AI is an AI-native, automation-first Managed Detection and Response (MDR) provider backed by leading investors including Andreessen Horowitz, Crosspoint Capital Partners, Shield Capital, and others. The company is rapidly growing and seeking an HR Generalist to join the People Operations team in the Overland Park, KS office.
In this role, you will own critical payroll, benefits, and employer tax administration functions as the company scales. Your primary responsibilities include:
- Managing US payroll end-to-end using Rippling, including multi-state payroll processing, off-cycle runs, garnishments, payroll audits, and year-end activities (W-2s, reconciliations).
- Registering and maintaining state withholding and unemployment tax accounts as the company expands into new states, handling filings, rate notices, and agency correspondence.
- Administering US benefits plans, including enrollments, life events, open enrollment coordination, carrier and broker management, COBRA administration, and benefits compliance.
- Performing monthly benefits reconciliation by matching carrier invoices against enrollment and payroll deductions, resolving discrepancies.
- Supporting international payroll for employees hired through the company's Employer of Record (EOR) partner, assisting with payroll inputs and employee questions.
- Documenting, automating, and improving payroll, benefits, and tax processes to support scaling.
- Providing generalist HR support by fielding employee questions, supporting onboarding and offboarding, and backing up office operations as needed.
This is a hands-on role in a fast-moving startup where you'll help build processes and systems that don't yet exist. You'll work closely with a talented team focused on revolutionizing the cybersecurity landscape through AI-driven solutions.
REQUIREMENTS:
- 3–5+ years of hands-on US payroll and benefits administration experience, with multi-state experience highly preferred.
- Demonstrated experience setting up and maintaining state payroll tax registrations (SIT/SUI) and handling agency notices.
- Proven experience owning benefits administration and monthly invoice reconciliation.
- High bar for accuracy and confidentiality with sound judgment to identify issues.
- Comfort working in a fast-moving startup environment where some processes don't exist yet and building them is part of the role.
- Associate's or Bachelor's degree in Human Resources or a related field (or equivalent experience).
BONUS QUALIFICATIONS:
- Rippling payroll and benefits experience (strongly preferred).
- Experience helping a company transition off a PEO.
- EOR or global payroll exposure.
- Broader generalist HR experience across employee relations, leave administration, and HR compliance.
- Background working in a high-growth tech company.
