HR Operations Associate
- Salary
- $24K–$36KUSD per year
- Hiring from
- Argentina, Mexico
- Work type
- Remote
- Posted
- Sep 24, 2026
Location: Remote Latin America (Mexico City or Buenos Aires preferred)
Salary: $2,000 - $3,500/month
About Union
Union is a 3 person team that delivers People Operations and Recruiting expertise and services for high-retention startups. We work with our clients to build or upgrade any process, tools, and performance management policies necessary so our candidates, and everyone our clients hire, succeed long-term.
About the Role:
We are seeking a highly organized and detail-oriented HR professional to support our 10+ client’s operations. Most of our clients are 10-60 person startups and SMBs in the US with some international teams.
The ideal candidate will have 4-10 years of experience in human resources, a strong command of English, and the ability and detail-orientation to manage a diverse range of administrative HR tasks. Over time, we expect you to contribute to the firm’s internal operations.
This role offers an exciting opportunity to work in a fast-paced environment while contributing to the efficient functioning of a growing organization.
Key Responsibilities:
Admin & Payroll: Run payroll, make changes to pay, and ensure accurate processing of I-9s and E-verify.
Onboarding: Handle the onboarding process for new hires, including document preparation and coordination of logistics such as booking hotels.
Communication: Draft and send communications to team members, executives, and the CEO, ensuring clarity and professionalism.
Sourcing and Recruiting Coordination: Depending on needs of business, you may also help a Recruiter.
Process Improvement: Use a process-oriented mindset to streamline workflows and improve efficiency, including quality assurance of HR materials (e.g., formatting of decks).
Ideal Candidate Profile:
Experience: Diverse or in-depth HR experience, with a background in handling administrative tasks, payroll, and employee relations. A person not too senior to avoid boredom with detailed work but experienced enough to navigate complex HR processes. Someone who has worked for a consultancy, smaller US businesses managing HR, or who owned a diverse set of tools at a lager company would be ideal.
Knowing startups is great but not necessary, except writing style cannot be "too formal" or "corporate"
Strong proficiency in English (both written and verbal) for communication with employees, executives, and the CEO.
High attention to detail, ensuring no errors in formatting and employee communications.
Experience with HR tools such as Rippling, Justworks, and BambooHR.
Ability to write job descriptions and review communications for clarity.
Must be content with administrative tasks and able to manage multiple responsibilities efficiently.
Compensation and Benefits:
$24,000-$48,000 a year, contracting
Unlimited PTO
Macbook Air provided