Strategic HR Partner for a Deep-Tech Scale-Up

Phasecraft Ltd.; Greater London; Hybrid; GBP 70,000 - 90,000; Full time

Benefits offered by this job

Visa support

Job summary

Phasecraft Ltd. is seeking a HR Business Partner to join our leadership team across London and Bristol offices. You will deliver expert people support, drive organisation design, engagement, and development, and partner with founders, managers and staff to scale sustainably.

In this role you will handle employee relations, onboarding, performance processes, compliance, and HR systems (HRIS). You will also manage contracts, visa support with external providers, and work closely with payroll to

Qualifications

• 5+ years HR experience as business partner or HR generalist in deep-tech, R&D, or engineering-led start-up/scale-up.
• Ability to operate independently with sound judgment in ambiguous, complex environments.
• Experience building scalable people processes in a growing company.
• Strong knowledge of UK employment law; exposure to international contexts (US ideal).
• Proven ability to manage employee-relations issues with professionalism and discretion.
• Excellent communication and interpersonal skills; credible, empathetic and commercially minded.

Responsibilities

• Partner with leaders to provide expert HR advice and coaching.
• Embed company values and foster an inclusive, high-performance culture.
• Lead on organisational design and talent reviews as the company scales.
• Design and deliver performance review cycles, goal-setting frameworks, and feedback tools.
• Maintain and update policies and the employee handbook; ensure compliance across jurisdictions.
• Support managers with capability, coaching, and development conversations.
• Manage employment documentation, contracts, and visa support with external providers as needed.
• Work closely with payroll and external providers to ensure accurate people administration.
• Oversee onboarding and induction processes, ensuring consistency across global offices.
• Manage probation processes and provide structured feedback.
• Own employee data accuracy and HR systems (HRIS).

Skills

HR advisory

Stakeholder management

Communication

Discretion

Org design

Education

CIPD qualification or equivalent

Tools

HRIS

ATS

Payroll systems

Job description

Phasecraft Ltd. is seeking a HR Business Partner to join our leadership team across London and Bristol offices. You will deliver expert people support, drive organisation design, engagement, and development, and partner with founders, managers and staff to scale sustainably.

In this role you will handle employee relations, onboarding, performance processes, compliance, and HR systems (HRIS). You will also manage contracts, visa support with external providers, and work closely with payroll to