Omen AI
HR Generalist
San Francisco, CA
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hirly's read of this role
- Role family
- HR
- Seniority
- Mid level
- Country
- US
- Work mode
- On-site / unstated
- First seen by hirly
- 14 Oct 2026
Derived automatically from the posting. Upload your resume above to see how the role scores against it.
the posting
HR Generalist
Omen AI | San Francisco, in office | Full time
About Omen
Omen builds liquid cooling and monitoring for AI data centers. We sell hardware and software to data center operators, neoclouds and the OEMs that supply them. We're a venture-backed, Series A team that moves fast, and we're hiring across engineering, sales, finance, legal and operations.
The role
You'll be Omen's first HR hire. You will improve and build the HR function at Omen. If you’re looking for an opportunity to do a lot of 0 to 1 work and have high ownership, that’s what this is.
What you'll do
Build/Improve onboarding and offboarding so every new hire is set up and productive from day one
Run our HR system of record: people data, PTO and documents in one place
Run benefits administration and open enrollment with our broker and payroll provider
Own compliance: California and multi-state employment rules, I-9s, required postings and trainings
Be the go-to for employee questions and employee relations, including hard conversations and investigations
Build simple, repeatable processes for offers, promotions, leaves and departures
Partner with the founders and hiring managers as the team scales
What you bring
3+ years as an HR generalist or people operations generalist, ideally at a startup or a small team
Hands-on generalist work across onboarding, benefits, employee relations and compliance, not just coordination
You want to be the first HR person and build from scratch, not run someone else's playbook
Judgment with sensitive situations, and knowing when to bring in employment counsel
Organized, and you keep process simple enough that people actually use it
Comfortable at a startup where priorities change week to week
Nice to have
You've been the first or only HR person at a startup before
Hardware, manufacturing, data center or energy companies, including hourly or field teams and workplace safety
Experience setting up an HRIS (Rippling, Gusto, Justworks or similar) at an early-stage company
SHRM-CP or PHR
Comp
Base 110-150k + equity + benefits
Listed on hirly, a job board. hirly is not the employer: Omen AI is hiring for this role.
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