Office Administrator & HR Operations Specialist

SUBMER • Houston, TX

1d • Hybrid

About The Position

The Office Administrator & HR Operations Specialist coordinates office operations and key HR administrative functions, including employee lifecycle processes, payroll coordination, HR systems, and vendor relationships. The role independently manages assigned processes, resolves operational issues, identifies improvements, and works with internal stakeholders and external providers to support business needs.

Responsibilities span front desk and office operations, employee onboarding and offboarding, employee records and HR systems, timekeeping and payroll administration, and general administrative support. The role also serves as an initial resource for employee administrative questions, coordinates with HR, payroll, and benefits providers, and maintains the confidentiality of employee and payroll information.

The position is full-time and permanent, with an ASAP start. Submer describes its work as designing and delivering end-to-end AI datacenter infrastructure built around liquid cooling, helping organizations scale AI datacenters with greater density, efficiency, and lower environmental impact.

Requirements

• Previous experience in office administration, HR administration, payroll support, or a similar role.
• Strong organizational skills, attention to detail, and ability to manage multiple priorities.
• Excellent communication and interpersonal skills.
• Proficiency in Microsoft Office and ability to learn HRIS, payroll, and other business systems.
• Ability to handle confidential information with discretion and professionalism.
• Proactive approach with the ability to work independently and collaboratively.

Nice To Haves

• Payroll processing experience is preferred but not required.

Responsibilities

• Manage front desk operations, including greeting visitors, answering calls, coordinating visitor arrangements, and maintaining a professional office environment.
• Oversee day-to-day office operations, including supplies, equipment, deliveries, vendors, and general office needs.
• Coordinate meeting logistics, scheduling, and other administrative activities.
• Manage assigned office projects and recommend improvements to administrative processes and resources.
• Coordinate employee onboarding and offboarding, ensuring required documentation, schedules, and administrative steps are completed.
• Oversee employee records and HR systems, ensuring accurate and timely updates and consistent recordkeeping.
• Coordinate timekeeping and payroll administration, review payroll inputs, identify discrepancies, and work with managers and providers to resolve issues before submission.
• Serve as an initial resource for employee administrative questions and coordinate appropriate follow-up.
• Monitor HR processes and documentation for gaps or inconsistencies and recommend improvements.
• Coordinate with external HR, payroll, and benefits providers to resolve administrative issues and support effective service delivery.
• Maintain the confidentiality of employee information, payroll data, and HR documentation.
• Coordinate scheduling, document preparation, data entry, and other administrative projects as needed.
• Track outstanding administrative matters and coordinate follow-up with relevant stakeholders.
• Evaluate office and HR workflows, recommend process improvements, and implement approved changes.
• Provide flexible administrative support as business needs evolve.

Benefits

• Attractive compensation package reflecting expertise and experience.
• Medical insurance plan.
• 401k Employee volunteer contribution Plan.
• A friendly, internationally diverse, flexible, and hybrid-friendly work environment.
• Career evolution opportunities at a fast-growing scale-up with a mission to make a positive impact.

What This Job Offers

• Job Type: Full-time
• Education Level: No Education Listed