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About the Role
Level Zero is seeking a Chief of Staff to help build and scale the people and operating engine. You will translate company goals into an actionable organizational and talent plan, manage an operating cadence, and provide clarity and structure to hiring, onboarding, performance, and compensation processes during a period of growth. This role offers broad impact across people strategy, HR operations, and cross-functional execution, with ownership of high-leverage internal programs and leadership communications in a fast-paced, mission-driven environment at the forefront of biosensing and personalized health.
Responsibilities
- Turn goals into an org/people plan (org design, headcount, hiring priorities).
- Run a simple people operating rhythm (metrics review, talent planning).
- Add structure to leveling, comp, performance and promotion decisions.
- Own the hiring operating system (process, tooling, scorecards, interviewer enablement, feedback quality).
- Partner with leaders on role design and closing; ensure a great candidate experience.
- Build and iterate onboarding to speed time-to-impact.
- Run performance cycles (goals, reviews, calibration, promotions).
- Equip managers with lightweight toolkits (1:1s, feedback, coaching, role clarity).
- Stand up learning programs for this stage.
- Own comp/benefits ops (benchmarking, bands, review cycles, comms).
- Keep HR foundations tight (policies, documentation, employee relations).
- Partner with payroll/HRIS; improve reporting.
- Operationalize values and ways of working.
- Run simple engagement loops (surveys/listening) and follow through.
- Support CEO/leadership comms on priorities and org changes.
- Lead high-impact internal programs (e.g., team setup, location/hybrid norms, policy rollouts).
- Coordinate stakeholders and timelines; unblock and drive execution.
Requirements
- 3+ years in People Ops/HR, talent operations, business operations with heavy people focus, or a Chief of Staff role with significant people remit.
- Startup experience (especially early-stage and/or rapid scale).
- Proven experience building and running scalable people processes in a fast-moving environment.
- Strong judgment and discretion handling sensitive information and complex interpersonal situations.
- Excellent written and verbal communication; able to create clear, decision-ready narratives.
- Strong analytical and program management skills (metrics, prioritization, execution).
- Experience partnering closely with founders and leadership teams.
- Familiarity with HR compliance basics in the UK
- Experience with payroll/ATS tools and process design.
Skills
- People Ops/HR
- Talent Operations
- Business Operations
- Chief of Staff
- Startup experience
- Process building and management
- Judgment and discretion
- Written and verbal communication
- Analytical skills
- Program management
- HR compliance
- Payroll/ATS tools
- Process design
Experience Level
- 3+ years
Salary/Compensations
- Competitive salary and equity
About the Company
- Level Zero is pioneering next-generation biosensor technology for precise, real-time monitoring of critical endocrine biomarkers.
- Recognised as one of the top 20 startups across all categories worldwide at TechCrunch Disrupt 2024.
- Backed by top-tier organisations like redalpine, SOSV and Entrepreneur First.
- Pushing the boundaries of biochemistry and nanotechnology to revolutionize personalised health.
- Founded by two seasoned engineers with extensive experience in R&D, technical innovation, and commercial strategy.
- Mission: to revolutionise health management by delivering clinical-grade data directly to individuals, wherever they are.