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Senior Human Resources Manager

Clockwork.io


Job Location:

Palo Alto, CA - USA

Yearly Salary: USD 140000 - 180000
Posted: 29 September 2026 (2 days ago)
Application Deadline: 27 December 2026
Vacancies: 1 Vacancy

Job Summary

About Clockwork Systems

Software Driven Fabrics to increase GPU cluster utilization

Clockwork Systems was founded by Stanford researchers and veteran systems engineers who share a vision for redefining the foundations of distributed computing. As AI workloads grow increasingly complex traditional infrastructure struggles to meet the demands of performance reliability and precise coordination. Clockwork is pioneering a software-driven approach to AI fabrics by delivering cross-stack observability to catch and quickly resolve problems workload fault tolerance to keep jobs running through failures and performance acceleration that dynamically routes and paces traffic to avoid congestion.

To learn more visit .

About Clockwork Systems

Software Driven Fabrics to increase GPU cluster utilization

Clockwork Systems was founded by Stanford researchers and veteran systems engineers who share a vision for redefining the foundations of distributed computing. As AI workloads grow increasingly complex traditional infrastructure struggles to meet the demands of performance reliability and precise coordination. Clockwork is pioneering a software-driven approach to AI fabrics by delivering cross-stack observability to catch and quickly resolve problems workload fault tolerance to keep jobs running through failures and performance acceleration that dynamically routes and paces traffic to avoid congestion.

To learn more visit .

About the Role

As our Senior HR Manager youll be the cornerstone of Clockworks people function. This is a high-impact hands-on role for someone who thrives in the builder phase: youll own the full HR lifecycle elevate our people programs and serve as a trusted partner to leadership and employees alike. Youll work closely with our executive team to shape the culture policies and infrastructure that will carry us through our next phase of growth including our teams in the U.S. and UK.

What Youll Do

People Operations

  • Own end-to-end HR operations: onboarding offboarding employee lifecycle management and HRIS administration.
  • Partner with our PEO on payroll benefits administration and HR compliance.
  • Serve as the primary point of contact for employee relations resolving issues with empathy fairness and good judgment.

Programs & Policy

  • Design implement and continuously improve HR policies employee handbooks and operational processes that scale with the company.
  • Lead compensation benchmarking benefits strategy and rewards programs to keep Clockwork competitive in the AI/infrastructure talent market.
  • Build and deliver onboarding training and manager development programs that reinforce our values and accelerate employee effectiveness.

Compliance & Legal

  • Ensure compliance with federal California and UK employment laws and regulations.
  • Oversee employment-based immigration programs (H-1B green cards etc.) in partnership with outside counsel.
  • Proactively identify compliance risks and implement controls before they become problems.

Strategic Partnership

  • Partner with leadership on workforce planning org design and headcount strategy as we scale.
  • Track and report on people metrics (attrition engagement hiring velocity) and surface actionable insights.
  • Support our UK employees with region-appropriate HR programs and compliance requirements.
  • Contribute to culture-building initiatives DEI programs and employee engagement.
What Were Looking For
  • 810 years of progressive HR experience with meaningful time in high-growth startup or scale-up environments.
  • Demonstrated ability to build HR programs from scratch not just maintain existing ones.
  • Deep knowledge of California and U.S. employment law; familiarity with UK employment law is a strong plus.
  • Hands-on experience with compensation benchmarking benefits administration employee relations performance management and onboarding.
  • Familiarity with employment-based immigration processes (H-1B PERM etc.).
  • Experience working with PEOs and HRIS systems (e.g. Rippling Gusto BambooHR or similar).
  • Excellent judgment discretion and the ability to navigate ambiguity with confidence.
  • Strong communicator who can build trust with engineers executives and everyone in between.
  • Prior experience at a technical company or AI/infrastructure startup is a plus you dont need to know how GPUs work but you should be comfortable in that environment.
Why Clockwork
  • Youll be the owner not a coordinator of a people function that genuinely matters.
  • Competitive compensation equity and benefits.
  • An exceptional team solving hard important problems at the intersection of AI and infrastructure.
  • Palo Alto HQ with catered meals and a collaborative low-ego culture.
  • The chance to shape the HR foundations of a company at an inflection point.

Enjoy

  • Challenging projects.
  • A friendly and inclusive workplace culture.
  • Competitive compensation.
  • A great benefits package.
  • Catered lunches.

Compensation for this position will vary based on the skills and experience you bring as well as internal equity considerations. For candidates hired at the posted level the expected base salary range is $140000 - $180000. The offered compensation package may also include stock options or other equity awards subject to Clockworks equity program and applicable approvals.
In addition to cash compensation this role is eligible to participate in the companys equity program which may include stock options granted in accordance with the companys equity plan and subject to approval and applicable vesting schedules.

Clockwork Systems is an equal opportunity employer. We are committed to building world-class teams by welcoming bright passionate individuals from all backgrounds. All qualified applicants will receive consideration for employment without regard to race color ancestry religion age sex sexual orientation gender identity or expression national origin disability or protected veteran status. We believe diversity drives innovation and we grow stronger together.


Required Experience:

Manager