About the role:

Atomic Machines is looking for a full-time Executive Assistant to support our leadership team from our Emeryville office, five days a week. You'll be the operational backbone behind our executives -  managing calendars, travel, meetings, expenses, and projects, freeing them to focus on their highest-impact work. We're looking for someone proactive, trustworthy, and hyper-organized who thrives in a fast-moving startup environment. If that's you, we'd love to hear from you.

What you’ll do: 

As an Executive Assistant, you will serve as a trusted partner supporting senior leaders by managing day-to-day operations and ensuring their time and priorities are aligned with the highest-impact work.

• Proactively manage executive’s schedules, priorities, and incoming requests, exercising strong judgment to protect their time and focus.
• Coordinate all calendar scheduling, travel arrangements, and related logistics.
• Serve as a liaison between executives, internal teams, and external partners to ensure clear and timely communication.
• Represent executives in meetings and communications, acting with professionalism, sound judgment, and a deep understanding of their priorities.
• Draft, proofread, and send communications on behalf of executives, maintaining their voice and a high standard of professionalism.
• Prepare and organize documents, presentations, and materials for meetings and key initiatives.
• Support executives on special projects, coordinating across teams and tracking progress against deadlines.
• Track, reconcile, and submit expense reports accurately and on time.
• Plan and execute team offsites, executive events, and internal gatherings.
• Greet and host guests, partners, and candidates, reflecting Atomic Machines' culture and professionalism.
• Handle employee scheduling requests with a high degree of customer service, fostering a productive, inclusive, and engaging environment.
• Handle sensitive and confidential information with the utmost discretion at all times.

What you’ll need: 

• 5+ years supporting multiple C-suite or senior executives in a fast-paced, high-growth environment.
• Polished presence and professional demeanor — you represent the Executive team with care in every interaction, written or in-person.
• Exceptional organizational skills and attention to detail — you track the details without losing sight of the bigger picture.
• Outstanding judgment and discretion — you handle sensitive information with the highest level of confidentiality.
• Strong written and verbal communication skills.
• Comfortable working cross-functionally and independently.
• Calm and confident under pressure with the ability to manage shifting priorities and resolve conflicts proactively.
• Resourceful problem-solver with a "no task too big or too small" mindset.
• Natural relationship-builder who earns trust quickly with executives, partners, and peers.
• Proficient in Google Workspace and comfortable picking up new tools quickly.
• Bachelor’s degree preferred.

About The Role:

What You’ll Do:

• Design, implement, and continuously evolve core people programs, including performance reviews, onboarding, manager development, learning & development, and employee relations practices.
• Partner with leaders to translate business goals into a scalable HR roadmap that supports rapid growth.
• Use people data and insights to inform decisions, identify risks and opportunities, and improve employee performance, engagement, and retention.
• Build and sustain a strong company culture by embedding Atomic Machines’ principles into all people programs and practices.
• Lead and resolve complex employee relations matters, conducting thorough, fair, and objective investigations, partnering with our external legal firm as needed.
• Own and optimize HR systems, regularly assessing effectiveness and ensuring we maximize their value as we scale.
• Maintain deep knowledge of California employment laws and best practices, mitigating risk and ensuring compliance; partner with external legal counsel as needed.
• Lead the design and delivery of management and leadership development programs, leveraging AI-enabled tools, learning platforms, and data-driven insights to scale high-quality training and support leaders as the organization grows.

What You’ll Need:

• 5 - 10 years of progressive HR Business Partner or HR leadership experience, ideally within a fast-growing, technical startup environment; hardware experience is a plus.
• A strong passion for people - paired with the ability to balance empathy, business needs, and sound judgment.
• Proven experience designing, launching, and scaling people programs in dynamic organizations.
• A data-driven mindset with strong analytical and problem-solving skills; proficiency in using metrics and insights to guide decisions.
• A demonstrated ability to maintain a strong pulse on employee engagement, culture, and organizational health.
• Deep understanding of diversity, equity, inclusion, and belonging principles and how to apply them in practice.
• Strong working knowledge of California employment laws and people practices relevant to startup environments.
• Excellent communication and influencing skills, including experience partnering with and presenting to senior leaders.
• High discretion, sound judgment, and a strong ethical foundation.
• Comfort navigating ambiguity, change, and competing priorities in a rapidly evolving environment.
• Exceptional organizational skills and the ability to execute with rigor under pressure.
• Ability to work from our Emeryville or Santa Clara office at least three days per week (daily preferred).

About The Role:

What You’ll Do:

• Build the TAO of People
  • Design and deploy internal agents and automated workflows across the employee lifecycle, including benefits administration, immigration processes, onboarding, internal support, and knowledge management.
• Design the People systems architecture
  • Help define and implement the People technology stack and data infrastructure, including HRIS selection and implementation, systems integrations, and analytics capabilities.
• Create impactful operational workflows
  • Identify manual administrative processes and redesign them using automation, internal tools, and agent-driven workflows to dramatically improve efficiency, reliability, and employee experience.
• Develop people analytics and operational dashboards
  • Build reporting and analytics capabilities that help leaders understand workforce trends, hiring progress, engagement signals, and organizational health.
• Enable technology-driven operations across the company
  • Partner with teams beyond the People function to identify opportunities where automation, tooling, and agent-based workflows can improve internal operations.
• Partner closely with the VP, People
  • Help design the long-term architecture of a modern People function and the systems required to support a scaling organization.

What You’ll Need:

You are a builder and systems thinker who enjoys designing new operating models rather than maintaining legacy ones.

You'll likely:

• Think in systems, workflows, and infrastructure.
• Enjoy simplifying and solving complex operational problems.
• Have embraced automation, internal tooling, and emerging agent-based systems.
• Have experience creating reporting and analytics in complex organizations.
• Are comfortable experimenting with new, unproven technologies.
• Are energized by building something from scratch inside a growing company.

Experience in operations, consulting, product, analytics, or People operations can all be relevant backgrounds. Recent experience designing and implementing agentic workflows or other AI-first programs are ideal. 

When referencing the compensation band below, please note that it may vary based on a candidate’s experience and level. This role is not tied to a single level and may span earlier-in-career through senior-level candidates (L5-L6). Final leveling will be determined during the interview process. We are open to strong earlier-career candidates who are excited to grow into broader technical leadership or architectural responsibility over time.