Manager, Human Resources (15-Month FTC)

Theramex; Greater London; Hybrid; GBP 60,000 - 80,000; Full time

Benefits offered by this job

25 days holiday

Private Health Insurance

Pension contribution: 10% company + 5%

Hybrid Working

Cycle to Work Scheme

In-office events

Job summary

Theramex is seeking an HR Manager to deliver strategic and operational HR services across a global workforce from its London hub. You will lead analytics, planning, compensation management, compliance, employee engagement and project leadership to align HR practices with business and financial objectives.

The role partners with CHRO and senior leaders to drive UK-wide processes, policy development and governance, while supporting a diverse, fast-paced organisation committed to growth and high

Qualifications

• Degree in HR, Business Administration or related discipline, or equivalent professional experience.
• CIPD Level 5 qualified (or working towards).
• Proven experience in HR Operations within a global or multi-country organisation.
• Strong expertise in workforce planning, budgeting, forecasting and HR analytics.
• Sound knowledge of UK employment law, right-to-work requirements and IR35 compliance.
• Experience managing compensation, benefits, salary review and reward processes.
• Strong policy development, process improvement and HR governance capability.
• Excellent stakeholder management skills, with the ability to influence and build relationships at all levels.
• Commercially minded, with strong analytical and problem-solving skills.
• Highly organised with exceptional attention to detail and a commitment to accuracy.

Responsibilities

• Lead workforce planning, budgeting and forecasting activities, including headcount planning, vacancy costing, promotions, market adjustments and contractor spend.
• Partner with Finance and business leaders to align workforce plans with organisational objectives and budget forecasts.
• Manage employee relations matters, supporting managers and leaders to ensure fair, consistent and compliant outcomes.
• Coordinate probation review processes, including documentation, stakeholder management and employee meetings.
• Support UK employment processes, including settlement agreements and compliance with employment legislation.
• Deliver annual salary review, bonus and promotion cycles, ensuring accurate calculations, communications and approvals.
• Conduct market benchmarking to support competitive and equitable reward practices.
• Manage UK employee benefits programmes and associated vendor relationships and data administration.
• Provide efficient, high-quality HR operational support, responding to employee and manager queries across a global workforce.
• Identify and implement improvements to HR processes, systems and documentation.
• Oversee the contractor lifecycle, including contracts, renewals, compliance, IR35 requirements and offboarding.
• Manage UK right-to-work and sponsorship processes, working closely with external immigration advisers to ensure compliance.
• Support recruitment activities, providing interview support, workforce insights and governance against approved headcount plans.
• Manage key employee lifecycle processes, including onboarding, probation, promotions, job changes and offboarding.
• Prepare and maintain accurate employment documentation, records and HR data.
• Develop, review and update HR policies and procedures to ensure compliance with UK and Ireland legislation and best practice.
• Support internal and external audit activities, ensuring HR records remain accurate, compliant and audit-ready.

Skills

HR operations

Workforce planning

Budgeting

Forecasting

HR analytics

UK employment law

Right-to-work

IR35 compliance

Compensation & benefits

HR governance

Stakeholder management

Analytical thinking

Attention to detail

Education

Bachelor’s degree in HR or related field

CIPD Level 5 or working towards

Job description

London, United Kingdom – Hybrid (3 days per week in-office – St James Park) At Theramex we are driven by a clear purpose by improving the lives of women around the world through innovative and accessible healthcare. As one of the fastest growing global specialists in Women’s Health, we combine the agility of a scale up with the impact and ambition of a private equity backed organisation. Here, your work translates into real world outcomes - shaping portfolios, influencing strategic direction, and driving meaningful change for patients. You’ll join a collaborative, high performing team that values expertise, encourages fresh thinking, and empowers people to lead with ownership. If you are motivated by purpose, growth, and the opportunity to make a lasting difference, Theramex offers a place where your contribution truly matters.

About You

• Degree in Human Resources, Business Administration or a related discipline, or equivalent professional experience.
• CIPD Level 5 qualified (or working towards).
• Proven experience in HR Operations within a global or multi-country organisation.
• Strong expertise in workforce planning, budgeting, forecasting and HR analytics.
• Sound knowledge of UK employment law, right-to-work requirements and IR35 compliance.
• Experience managing compensation, benefits, salary review and reward processes.
• Strong policy development, process improvement and HR governance capability.
• Excellent stakeholder management skills, with the ability to influence and build relationships at all levels.
• Commercially minded, with strong analytical and problem-solving skills.
• Highly organised with exceptional attention to detail and a commitment to accuracy.

About The Role

The HR Manager plays a key role in supporting the CHRO and wider business by delivering strategic and operational HR services across a global workforce. This role combines HR analytics, workforce planning, compensation management, compliance, employee engagement, and project leadership to ensure alignment between HR practices and business and financial objectives.

Key Duties and Responsibilities

• Lead workforce planning, budgeting and forecasting activities, including headcount planning, vacancy costing, promotions, market adjustments and contractor spend.
• Partner with Finance and business leaders to align workforce plans with organisational objectives and budget forecasts.
• Manage employee relations matters, supporting managers and leaders to ensure fair, consistent and compliant outcomes.
• Coordinate probation review processes, including documentation, stakeholder management and employee meetings.
• Support UK employment processes, including settlement agreements and compliance with employment legislation.
• Deliver annual salary review, bonus and promotion cycles, ensuring accurate calculations, communications and approvals.
• Conduct market benchmarking to support competitive and equitable reward practices.
• Manage UK employee benefits programmes and associated vendor relationships and data administration.
• Provide efficient, high-quality HR operational support, responding to employee and manager queries across a global workforce.
• Identify and implement improvements to HR processes, systems and documentation.
• Oversee the contractor lifecycle, including contracts, renewals, compliance, IR35 requirements and offboarding.
• Manage UK right-to-work and sponsorship processes, working closely with external immigration advisers to ensure compliance.
• Support recruitment activities, providing interview support, workforce insights and governance against approved headcount plans.
• Manage key employee lifecycle processes, including onboarding, probation, promotions, job changes and offboarding.
• Prepare and maintain accurate employment documentation, records and HR data.
• Develop, review and update HR policies and procedures to ensure compliance with UK and Ireland legislation and best practice.
• Support internal and external audit activities, ensuring HR records remain accurate, compliant and audit-ready.

What does our team say about life at Theramex?

“Having now been with Theramex for a few months, I’m really enjoying my time here. Right from the outset, the onboarding experience, induction, and orientation have been brilliant, and I already feel like I am making the most of opportunities to add value to the business in meaningful ways. Theramex has a friendly and supportive vibe and is a place where I feel supported and valued.”

Umut Tarakcilar, Senior Treasury Analyst

Why Join Us?

• A fast-paced environment with broad exposure, giving you opportunities to develop professionally - even outside your core area of expertise
• A culture that supports learning, celebrates success, and recognizes performance
• Opportunities for driven and talented professionals to contribute to our exciting journey

Benefits & Perks

• Competitive reward package, including:
  • 25 days holiday + 8 bank holidays
  • Private Health Insurance for employee and family members
  • Pension contribution: 10% company + 5% employee (auto-enrolled from day one)
  • Hybrid Working
  • Cycle to Work Scheme
  • Engaging employee experience to come together as a community: in-office events, shared learning and much more!