HR Assistant

TMX Group; Greater London; Hybrid; GBP 24,000 - 32,000; Full time

Job summary

TMX Group in London seeks an HR Assistant to deliver high-quality administrative, operational, and HRIS support across our European region. You will be the first point of contact for employee queries and ensure data accuracy, joiners/movers/leavers, and daily HR service delivery.

Responsibilities include coordinating lifecycle processes, supporting payroll inputs with Global Payroll and Total Rewards, assisting ER cases, maintaining records, and supporting audits and policy updates.

Qualifications

• Proven administrative experience in a fast-paced environment.
• High attention to detail and strong organisation.
• Excellent written and verbal communication.
• Confidence handling confidential and sensitive information.
• Drive to improve processes.
• Stakeholder management and relationship building.
• Proficiency with HRIS tools and standard office software.
• Team player who can work independently.
• Ability to prioritise tasks and manage time effectively.
• Basic understanding of UK Employment Law

Responsibilities

• Serve as the first point of contact for general employee HR queries.
• Coordinate employee lifecycle processes (joiners, movers, leavers).
• Support monthly HR payroll inputs with Global Payroll and Total Rewards teams.
• Assist in ER cases (note taking, documentation).
• Maintain employee records and HRIS platforms.
• Assist with regional audit reporting and policy updates.
• Prepare BAU HR documentation (letters, references).
• Support HR projects and annual initiatives.

Skills

Administrative experience

Attention to detail

Communication skills

Confidential information handling

Stakeholder management

Independence

Education

CIPD qualification interest

Tools

HRIS tools

G-Suite

Workday

Office software

Job description

## HR AssistantApply: London - 2 Gresham Street: Full time: Posted Today: R-6561The HR Assistant delivers high-quality administrative, operational, and HRIS support across our European region. This role ensures data accuracy, smooth joiner/mover/leaver execution, and seamless daily HR service delivery as the first point of contact for employee queries.**Responsibilities*** Serve as the first point of contact for general employee HR queries* Coordination of employee life cycle processes (joiners, movers, leavers)* Support monthly HR payroll inputs in collaboration with the Global Payroll and Total Rewards teams* Support in ER cases (note taking, file notes, documentation preparation etc.)* Maintain employee records, HRIS platforms and compliance documentation* Assist with regional audit reporting and policy documentation updates* Preparing BAU HR documentation (e.g. reference letters, change to employment letters)* Supporting the HR team on requests & HR annual projects (performance cycle, year-end, compliance, HRIS testing etc.) **Essential:** + Proven administrative experience within a fast-paced environment + High attention to detail and strong organisation + Excellent written and verbal communication + Confidence handling confidential and sensitive information + Drive to make process improvements + Enjoys stakeholder management and building strong working relationships + Proficiency with HRIS tools and standard office software + Teamplayer, with the ability to also manage work independently + Ability to prioritise tasks and strong time management + Basic understanding of UK Employment Law**Desirable:** * + Prior exposure to working within an international HR shared service operations + Proven experience in a customer / client facing role + Experience with G-Suite and Workday + Interest in wider HR community and career opportunities (for example, currently undertaking or interest in completing CIPD Qualification)Trayport is committed to creating and sustaining a collegial work environment in which all individuals are treated with dignity and respect and one which reflects the diversity of the community in which we operate. We provide accommodations for applicants and employees who require it.