Senior Coordinator: HR Administration

Senior Coordinator: HR Administration

Full-Time No working from home possible
Mayer Brown

If you enjoy working with team members whose defining characteristics are exceptional client service, initiative, professionalism, responsiveness, and adaptability, you may be the person we are seeking to join our HR department in our London office as a Senior Coordinator: HR Administration.

The Role

We’re looking for a proactive and highly organised Senior HR Coordinator who can also provide personal assistant–style support to senior leaders in the HR function. This hybrid role is ideal for someone who thrives in a people‑focused environment, enjoys variety, and can balance administrative precision with warm, professional communication.

You’ll play a key part in keeping our HR operations running smoothly while also supporting day‑to‑day executive needs such as diary management, meeting preparation, and general coordination.

You will provide full secretarial and administrative support including but not limited to diary management, travel coordination, email monitoring, drafting and sending correspondence and assisting with Partner HR administration.

Hours

Standard hours are 9:30am to 5:30pm with flexibility in accordance with the needs of the business. Our current working from home policy allows for two days working from home, subject to business need. This policy is subject to change and does not form part of contractual terms.

What you'll do

  • Support the HR department with the full employee lifecycle for Partners, including onboarding, offboarding and administrative matters.
  • Maintain accurate Partner records and HR databases, ensuring compliance with internal policies and legal requirements.
  • Prepare HR documentation such as offer letters, contracts, and reference requests.
  • Act as a first point of contact for Partner HR queries, providing timely and helpful responses.
  • Support HR reporting, metrics, and data analysis as needed.
  • Maintain HRIS in relation to Partner data; currently using PeopleSoft.
  • Process checks for newly promoted Partners including DBS, ID verification etc.
  • Prepare Partner departure communications for approval and circulation.
  • Provide diary and inbox management for senior leaders, ensuring priorities are handled efficiently.
  • Arrange meetings, book rooms, prepare agendas, take minutes, and follow up on action items.
  • Coordinate travel arrangements, itineraries, and logistics where required.
  • Assist with preparing presentations, documents, and briefing materials.
  • Support planning and organisation of internal events, workshops, and team activities.
  • Reconciling monthly credit card statements and oversee expense claims.
  • Handle ad hoc administrative tasks to ensure smooth day to day operations.
  • Provide support to other business services leads on an ad‑hoc basis i.e. COO meetings when in London.
  • Undertake project work as required.

What we are looking for

Educated to A level or equivalent

  • At least 5 years’ experience in a similar role within the legal sector or other professional services.
  • Experience working within HR preferred
  • Highly developed organisational skills
  • Professional telephone manner
  • Experience dealing with senior stakeholders
  • High level of proficiency in Microsoft Word, Powerpoint, Excel & Outlook
  • Typing speed – minimum of 60 wpm
  • Excellent attention to detail
  • Adaptable and flexible
  • Self‑starter, ability to use initiative
  • Proven ability to work under pressure and to tight deadlines.
  • Proven ability to handle high volume workloads.
  • Ability to take responsibility for own work
  • Excellent written and spoken English
  • Ability to use own initiative and carry out duties with minimum supervision

We are happy to discuss any reasonable adjustments that individuals may require throughout the recruitment process and once they have joined the Firm.

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Mayer Brown

Contact Details:

Mayer Brown Recruitment Team