Senior HR Advisor

Dentsuis an integrated growth and transformation partner to the world’s leading organizations. Founded in 1901 in Tokyo, Japan, and now present in over 145 countries and regions, it has a proventrack recordof nurturing and developing innovations, combining the talents of its global network of leadership brands to develop impactful and integrated growth solutions for clients. Dentsu delivers end-to-end experience transformation (EX) by integrating its services across Media, CXM and Creative, while its business transformation (BX) mindset pushes the boundaries of transformation and sustainable growth for brands,peopleand society.

Purpose of the Role

The Senior HR Advisor will partner closely with People Leaders across theMedia and CXM Practice Areas,providing trustedexpertisethroughout the employee lifecycle, leading on complex employee relations (ER) cases, and driving the delivery of HR projects. This role is a key strategic enabler for Media and will have a significant impact on the delivery of the both Practice Areas People Plan.

Reporting to the Senior HR Business Partner, the Senior HR Advisor will take ownership of key HR initiatives, lead cyclical people processes, and act as a senior point of guidance within the service line.

Key Responsibilities

• Act as a senior point ofexpertisefor People Leaders, providingtimely, professionalsecond‑lineguidance across the full spectrum of people matters.

• Partner collaboratively with all areas of the HR function to deliver a seamless,high‑qualityHR service

• Support the Practice Areas and Senior HR Business Partner by leading and contributing to key projects, implementing new HR initiatives, and addressing strategic people challenges.

• Leverage data insights and people metrics to diagnose trends, shape recommendations, and informdecision‑makingin partnership with the HR Team.

• Lead on complex Employee Relations cases andprovideexpert advice to People Leaders across performance management, disciplinaries, grievances, and capability issues.

• Build trusted, influential relationships across the business, using data such as performance, engagement, absence, and retention to drive improved people and business outcomes.

• Own the delivery of HR projects, ensuring outputs are delivered on time, within scope and budget, and contribute positively to colleague engagement.

• Providesecond‑linesupport for escalated HR queries from the HR Operations team, ensuring clarity, consistency, andappropriate escalationto the HR Business Partner or HR Director whererequired.

• Champion a culture of positive change, collaboration, and continuous improvement within the Service Line, acting as a visible advocate for progressive people practices.

Qualifications + Skills:

• Proven HR advisory experience with a strongtrack recordin managing employee relations cases.

• Solid understanding of key HR centre of excellence processes, including Talent Development, Engagement, Reward and Benefits.

• Demonstrates strong business acumen with the confidence and initiative toidentifyopportunities and drive positive change.

• Thrives in fast-paced environments, delivering proactive,timelyand effective HR support.

• Applies sound judgement, intellectualagilityand a collaborative approach to problem-solving.

• Strong analytical capability, including advanced Excel skills and the ability to interpret and derive insights from data.

• Well-rounded HR generalist with experience across the full employee lifecycle.

• Passionate about people engagement, confident and pragmatic in building relationships and either working towards or interested in CIPD Level 5 qualification.

What we offer

• This is apermanentrole

• This is a Dublin based position andweoperateunder hybrid workingarrangementsand you will be expected to work from the office at least 2 days a week.

• As well as a competitive salary,you’llenjoy a benefits package that you can tailor to your needs.

Inclusion and Diversity

At Dentsu, we embrace diversity and inclusion, valuing the unique perspectives and contributions of every individual. We believe that diversity fuels creativity and innovation,benefitingour employees, partners, and communities.

We welcome applications from all individuals, regardless of race, ethnicity, nationality, religion, gender, gender identity, sexual orientation, age, disability, marital status, or any other protected characteristic. Beyond recruitment, we strive to create an environment where everyone feels respected, supported, and empowered to bring their authentic selves to work.

We recognize the importance of work-life balance and are open to discussing flexible working arrangements for all roles. If you need reasonable adjustments due to a disability or medical condition during our recruitment process, please contact us ataccommodations@dentsu.comquoting the reference number of the role that you are applying for. Your needs will be handled with respect and confidentiality to ensure an inclusive and accessible experience.