Administration and HR Assistant

AC Martin, Inc.

AC Martin, Inc. is a dynamic professional services firm providing superior architectural and design services for some of the more significant development projects in Southern California. We foster professional and personal development and offer prospects for career advancement. We are headquartered in downtown Los Angeles with offices in the Bay Area, Sacramento, and San Diego.

Position Summary

The Administration and Human Resources Assistant will work in our Los Angeles office and must be an individual who is organized, has excellent communications skills, is eager to learn more about benefits and policies, and can interact with all levels of staff.

As our Administration and HR Assistant, you will play a key role in keeping our architecture firm running smoothly. You will support both the Office Manager with day-to-day administrative operations and the HR Manager with essential HR processes. This is a wonderful opportunity for someone who enjoys being the organizational backbone of a busy, creative environment and wants to grow in both administrative and HR functions.

Key Responsibilities

Administrative Support

• Office Operations Assist with daily office coordination, including supply management, vendor communication, and workspace organization.
• Scheduling and Coordination Support meeting scheduling, conference room management, and internal event logistics.
• Front Desk Coverage Provide occasional reception front-desk support, including greeting visitors and answering incoming calls.
• Office Communications Assist with internal announcements, general staff communications, and new-hire communications.

HR Support

• Onboarding Coordination Prepare new-hire packets, schedule orientations, provide office tours, parking information, and ensure a smooth first-day experience.
• HRIS Data Entry Maintain accurate employee records, update HR systems, and support reporting needs.
• Recruiting Assistance Post job openings, screen resumes, coordinate interviews, and communicate with candidates.
• Benefits and Compliance Support Assist with benefits administration, training tracking, and compliance documentation.
• Employee Support Respond to routine employee inquiries and help maintain a positive workplace environment.

Qualifications

• Experience 13 years in administrative, HR, or office support roles; experience in professional services or design firms is a plus.
• Technical Skills Proficiency in Microsoft Office Suite; familiarity with HRIS platforms (ADP) preferred.
• Communication Skills Clear, professional verbal and written communication.
• Organization and Detail Orientation Ability to manage multiple tasks, prioritize effectively, and maintain accuracy.
• Professionalism and Confidentiality Demonstrated ability to manage sensitive information with discretion.
• Team Mindset Collaborative, service-oriented approach with a willingness to jump in where needed.

Work Environment and Culture

You will be joining a collaborative, design-driven architecture firm where creativity and operational excellence go hand in hand. Our administrative and HR teams are highly supportive, and this role offers exposure to a wide range of business operations.

What We Offer

• Alternative work schedule of 40 hours per week based on a 4 -day workweek
• Hybrid schedule of three days in the office, two days working from home, and half-day on Fridays
• Group medical, dental, and vision plans with HSA and FSA options
• Company-paid Life and AD&D coverage
• 401(k) savings plan with discretionary company match
• Paid time off and holidays
• Paid monthly onsite parking
• Professional development opportunities
• Supportive, inclusive workplace culture

EEO Employer

All qualified applicants will receive consideration for employment without regards to race, color, religion, sex, sexual orientation, gender, age, marital status, national origin, disability, or any other consideration made unlawful by law.