Office & HR Administrator

Marbella Interests is a private family office/investment firm in downtown Austin that oversees a diversified portfolio, including commercial real estate and operating companies. We are a small, close-knit team of professionals who value discretion, reliability, and a warm, well-run office.

We are looking for a polished, organized, and personable Office & HR Coordinator to be the operational backbone of our Austin office. This person keeps the office running smoothly, supports staff, vendors, and handles the administrative side of HR and benefits for our small team. It is a hands-on generalist role for someone who takes pride in getting the details right and enjoys being the person everyone can count on.

There is opportunity for growth within the role to take on additional responsibilities and projects over time.

The role is an in-person position at our downtown Austin office.

• Process incoming mail and deliveries; scan, log, and route correspondence (including tax notices, property tax statements, and legal documents) to the right person promptly.
• Maintain the office’s filing and document management system, both physical and electronic, so that investment, real estate, insurance, and corporate records are organized and easy to find.
• Coordinate signatures for the principals via Docu Sign and in person; track outstanding items and meet quick turnaround expectations.
• Act as the point of contact for building management and office vendors (access badges and key fobs, maintenance requests, deliveries, and similar).
• Coordinate gifts, celebrations, and small office events (birthdays, milestones, holidays) that reflect the culture of the team.

• Own the employee onboarding and offboarding process in our HRIS platforms (BambooHR and Deel): offer letters and new-hire paperwork (I-9, W-4, NDA, benefit elections), equipment and email setup, orientation, business cards, and exit checklists.
• Serve as the friendly internal point of contact for employee questions about benefits, paperwork, and policies, working closely with our benefits broker to resolve issues.
• Coordinate annual benefits open enrollment and plan renewals with the broker; enroll and unenroll employees in health, dental, vision, and life plans; submit COBRA notices to the provider.
• Maintain accurate employee records in BambooHR, including PTO balances, benefit deductions, and personnel files; conduct periodic audits to keep data clean.
• Liaise with our 401(k) provider on routine requests, contribution changes, and annual information requests.
• Maintain our payroll system by entering accurate, timely employee changes (new hires, terminations, pay changes, deductions) into the payroll system.
• Process payroll every other week for 3 entities (with about 60 employees in total, including hourly and commissioned employees).
• Provide recruiting advice and/or assistance across entities when requested.
• Help maintain the employee handbook and HR policies, coordinating updates with outside advisors as needed.
• Handle routine HR administration such as employment verifications and unemployment claim responses.
• Serve as the day-to-day liaison with our managed IT provider: submit and follow up on support tickets, coordinate new equipment orders and setup, and track hardware inventory.
• Administer Google Workspace accounts (creating and closing accounts, password resets, group memberships) and the office phone system directory.
• Maintain simple checklists and standards so that onboarding, offboarding, and equipment processes are consistent every time.

• Maintain recurring task trackers to ensure recurring administrative tasks are handled in a timely manner, in coordination with the…