Senior Advisor

Join One Advanced

We’re looking for an experienced and commercially minded Senior People Advisor to join our People team, supporting leaders across our R&D and wider business functions.

This is a great opportunity to join a collaborative and supportive People team, where you’ll play a key role in strengthening manager capability, improving people practices, and supporting a broad range of employee relations matters.

You’ll work closely with business leaders to provide practical advice across performance management, disciplinary and grievance matters, absence management, consultations, and organisational change activity.

• Managing a varied employee relations caseload across performance, disciplinary, grievance, sickness absence, flexible working, and wellbeing matters
• Coaching and supporting managers through people processes and employment law considerations
• Supporting organisational change activity
• Building manager capability through pragmatic guidance and challenge where appropriate
• Ensuring decisions are evidence-based, appropriately documented, and aligned to policy and best practice
• Partnering with People Business Partners and Centres of Excellence across the wider People function
• Supporting continuous improvement initiatives and contributing to policy development and organisational design projects

We’re looking for someone who combines strong employment law knowledge with excellent stakeholder management and coaching capability.

You’ll ideally bring:

• Experience in a People Advisor or Senior People Advisor role
• Strong employee relations experience including disciplinary, grievance, performance management, and sickness absence cases
• Experience supporting managers in a fast-paced, matrixed organisation
• Confidence coaching and influencing stakeholders at different levels
• Good understanding of UK employment law and HR best practice
• Experience working alongside occupational health providers and supporting complex absence cases
• Ability to balance competing priorities and manage a varied workload independently
• A proactive and curious approach, with the confidence to challenge constructively and ask the right questions
• Strong attention to detail and commitment to quality, documentation, and evidence-based decision making

Experience with in technology, professional services, legal, or other fast-paced commercial environments would be advantageous.

Wellbeing that means something

• 26 days’ holiday + bank holidays (and the option to buy more) plus 1 paid volunteering day every year
• Exceptional family leave
  , 26 weeks fully paid maternity/adoption, 4 weeks fully paid paternity, 22 weeks fully paid shared parental leave, plus 5 days paid bereavement leave
• Robust sick pay of up to 13 weeks full pay + 13 weeks half pay
• 24/7 Employee Assistance Programme for confidential support
• Private medical insurance for everyone
  , no medical-history exclusions

Financial benefits that have your back

• Performance-based rewards tailored to your role
  , from company-wide bonuses to OTE and commission structures
• Income protection
  : up to 75% salary for 5 years if you ever need it

Grow your career with us

• Skills Hub learning platform with leadership pathways, future-manager training, and a huge online library
• Access to external training and apprenticeships

Making a Difference

• Match It!Fundraise for a cause close to your heart and One Advanced will match part of the funding
• Pennies from Heaven
  donate the pennies from your pay check to help make a difference without lifting a finger

Plus plenty other flexible benefits to suit your lifestyle on our Reward Hub, including:

• ULEV car scheme with 1,000+ models
• Dental insurance, Health Cash Plan, Critical Illness Cover, Partner Life Cover

At One Advanced, we are at the forefront of delivering sector-focused technology solutions that simplify complexity, drive meaningful progress, and help build a fairer, more inclusive society.

We’re much more than a software company. We deliver SaaS workflow applications and IT services that power organisations across Education, Government, Healthcare, Legal, Manufacturing, Housing, Retail, and more.

One Advanced is one of the UK’s…