Skip to main content

Senior HR Advisor

This job is brought to you by Jobs/Redefined, the UK's leading over-50s age inclusive jobs board.

Full-time • London

Salary range: £40,000 - £50,000 per annum

Working pattern: 3-4 days minimum in office per week

Start date: ASAP to allow handover

Regions: UK • USA • HK • AUS

About Us

Fundamental Media are passionate front runners of media planning & buying and technology who live and breathe advertising. Established in 2003 in London, we have grown to over 180 people whilst retaining the important ethos that our staff are part of our family. Our vision was to become a leading specialist and we have achieved this through a combination of contemporary and innovative technologies. This includes our in-house proprietary performance marketing technologies and reporting platforms, in-house programmatic solutions, research team and most importantly our people, each with expert sector knowledge.

We have a global footprint with offices in Boston, London, Hong Kong and Sydney. We manage media planning and buying for our clients from asset management to educational providers.

Are you an experienced HR professional ready to step into a senior advisory role with real breadth and global reach? We're looking for a confident, commercially minded Senior HR Advisor to join our friendly, ambitious team - someone who can partner with senior leaders, navigate complex people challenges, and champion a great employee experience across four countries.

This is a genuinely varied role spanning employee relations, compensation & benefits, operational HR, compliance and engagement. You'll work closely with the Head of HR and senior leadership team, bringing expertise, good judgement and a proactive approach to everything you do.

Employee relations added

  • Act as the first point of contact for managers on all ER matters
  • Manage complex and sensitive casework with confidence, discretion and sound judgement
  • Coach and upskill managers to handle people issues more effectively and consistently
  • Support organisational change processes including restructures and redundancy where needed
  • Advise on family leave entitlements, long-term absence and capability cases across all regions

Compensation & benefits

  • Own end-to-end payroll across all global regions
  • Asist with benchmark and renewal of company benefits across regions
  • Support annual salary and discretionary bonus reviews

Operational HR

  • Lead end-to-end recruitment and onboarding for all global hires
  • Manage right-to-work documentation, visa applications and sponsorship licences
  • Oversee appraisals, probation periods, absence management and leavers process
  • Maintain the HR compliance and keep all policies legally up to date
  • Contribute to HR projects and continuous improvement initiatives

Reporting & stakeholder

  • Produce regular HR reports
  • Use data to identify trends in turnover, absence, engagement and recommend action
  • Build trusted relationships across all levels of the business, acting as a credible and pragmatic HR professional

Learning, development & engagement

  • Communicate training and learning resources across the business
  • Support engagement initiatives alongside the wider HR team
  • Identify opportunities to build manager capability through targeted coaching and training delivery

What we're looking for

You'll bring the right blend of technical knowledge and people skills:

CIPD qualified level 5; 3+ years global HR experience; UK / USA / APAC employment law; Payroll & reporting; Strong Excel & HR metrics; Visa & right-to-work compliance; ER casework; Self-starter mindset; Cross-cultural communication; Excellent attention to detail

What we offer:

  • Supportive, friendly colleagues who work together to achieve shared goals and contribute directly to mission-critical systems that underpin the future growth of the business.
  • Competitive salary and a discretionary bonus
  • Career growth opportunities: We're committed to your success and offer recognition, rewards, and the training and support needed for advancement
  • A dynamic and innovative work environment within a contemporary, world class engineers who value agility, transparency and technical excellence.
  • Excellent benefits including pension contribution, private healthcare, life cover, cycle scheme, season ticket loans, 25 days' annual leave pro rata, 2 days paid leave for charity work, study loans and free snacks in the office

Ready to make an impact?

If you're a driven Senior HR Advisor looking for a role with genuine breadth, global scope and the chance to shape a people function we would love to hear from you. Please apply or reach out directly to find out more.

We are an equal opportunities employer and welcome applications from all suitably qualified persons regardless of their race, sex, disability, religion/beliefs, sexual orientation, or age.

Personal data collected will be used for recruitment purposes only. Strictly no agencies.

If you require an alternative format to the job advert and application, please let us know.

Senior HR Advisor

Fundamental Media
London, UK
Full-Time

Published on 14/05/2026

Share this job now