Comet is building the development platform for teams who want to ship robust, reliable, and responsible AI applications. Opik, our open source LLM evaluation framework, has quickly become one of the most popular tools in the space. Our experiment management platform is used by data scientists at companies like Uber, Netflix, and Etsy. Tens of thousands of researchers, engineers, academics, and hobbyists use Comet every day to build the future of AI.
Working at Comet will give you access to the most exciting work being done in all areas of machine learning. Some of the top researchers and companies working on self-driving cars, drug discovery, particle research, diffusion models, and LLMs use Comet every day. Your work has the potential to accelerate the development of some of the most impactful technology in the world, and you will be doing it alongside a team of passionate, caring individuals. If that sounds exciting, Comet is the right place for you.
Comet is backed by more than $63 million in venture capital funding and powers some of the best machine-learning teams in the world, including Netflix, Uber, Etsy, and Mobileye. We are a remote-first company with offices in New York City (USA) and Tel Aviv (Israel).
We are seeking a detail-oriented and adaptable HR Operations / Executive Assistant for a 3-month maternity leave cover to support our HR team (80%) and CEO (20%). This role is full time and will report to the Chief of Staff.
While this role is initially for 3-month’s coverage, there is strong potential for it to transition into a full-time HR Operations position based on performance and organizational needs.
The position combines administrative excellence with HR operational support, ensuring smooth day-to-day processes while providing high-level executive assistance. It is ideal for someone who thrives in a fast-paced environment, can manage competing priorities, and enjoys working on a wide variety of tasks.
Key ResponsibilitiesHR Operations Support:
- Manage employee lifecycle processes, including onboarding, off-boarding, and role changes.
- Maintain and update HRIS system (Rippling) with a high degree of accuracy.
- Support benefits administration, leave management, and employee inquiries.
- Ensure compliance by maintaining personnel files, auditing documentation, and assisting with policy updates.
- Coordinate HR programs such as training, engagement initiatives, and wellness activities.
- Plan and manage logistics for team off-sites and company events, including venue selection, vendor management, and budget tracking.
Executive Assistant Support:
- Manage complex calendars, meeting schedules, and travel arrangements for the CEO.
- Handle travel arrangements, expense reports, and reimbursements.
- 3+ years of experience in HR operations, executive assistance, or related roles.
- Exceptional organizational, time management, and multitasking skills.
- Strong understanding of HR processes, compliance, and best practices.
- Advanced proficiency in Google Suite (Word, Excel, PowerPoint, GMail); experience with HRIS and collaboration tools (e.g., Slack, Zoom, Navan, Rippling) preferred.
- Excellent written and verbal communication abilities, able to work effectively with diverse groups and backgrounds.
- High level of discretion in handling sensitive and confidential information.
- Ability to thrive in a fast-paced environment and adapt to shifting priorities.
- Strong interpersonal skills with the ability to build trust and work collaboratively across teams.
- Fluent in English
- This is a unique opportunity to gain experience in both HR operations and executive support, working closely with leaders to make a real impact during a critical period. You’ll be part of a collaborative team that values adaptability, professionalism, and trust.
- Flexible working hours and remote work options.
- This role will be fully remote working with a global team (large presence in the US, Tel Aviv and Europe) some flexibility with work hours is required.
Comet is an equal-opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees without regard to race, religion, color, sex, gender identity, gender expression, sexual orientation, national origin, ancestry, citizenship status, uniform service member status, marital status, pregnancy, age, medical condition, physical or mental disability, genetic information/characteristics, and any other characteristic protected by State or Federal law.
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