Assistant Site Manager

VolkerWessels; City of Westminster; On-site; GBP 60,000 - 80,000; Full time

Job summary

A leading railway infrastructure contractor is seeking an experienced HR Coordinator to oversee day-to-day HR administration and support a team of HR Assistants. This role is key in providing efficient HR services, managing recruitment processes, and ensuring compliance with HR policies. The ideal candidate will possess strong organizational and communication skills, and the ability to handle multiple priorities. Competitive salary and various employee benefits are offered in a collaborative work environment.

Benefits

Competitive salary

Private medical care

Cycle to Work scheme

Training opportunities

Employee Assistance Programme

Qualifications

• Proven experience coordinating HR administration in a customer-focused environment.
• Experience leading or coordinating the work of others.
• Strong organizational skills to manage competing priorities.

Responsibilities

• Coordinate and oversee the daily workload of HR Assistants.
• Support training of the team on HR systems and processes.
• Manage recruitment administration and employee records.

Skills

Coordination skills

Organizational skills

Microsoft Office proficiency

Excellent communication

Interpersonal skills

Job description

VolkerRail is a leading multidisciplinary railway infrastructure contractor. Our Head Office is in J3 Business Park, Doncaster, supporting our Major Projects and Specialist Businesses divisions with Finance, HR, and other core services.

We are looking for an experienced and proactive HR Coordinator to oversee day‑to‑day HR administration across the full employee lifecycle. This key role will provide a high‑quality, efficient and consistent HR service while coordinating and supporting three HR Assistants and acting as the first escalation point for more complex HR queries.

Key Responsibilities

• Coordinate, oversee and prioritise the daily workload of three HR Assistants, ensuring deadlines and service levels are consistently met.
• Provide day‑to‑day guidance, coaching and support to promote accurate, consistent and compliant HR administration.
• Act as the first escalation point for HR Assistants on queries, issues and process clarification.
• Identify bottlenecks and contribute to continuous improvement initiatives across HR operations.
• Support training and upskilling of the team on HR systems, processes and procedures.
• Oversee HR administration across recruitment, onboarding, absence management, probation, performance processes and employee records.
• Quality check HR documentation and correspondence, including references and family leave letters.
• Ensure recruitment administration, pre‑employment checks, medicals and D&A screening are completed in line with policy.
• Oversee sickness absence processing, long‑term absence tracking and Occupational Health referrals.
• Ensure annual leave, special leave, carried‑forward leave and long service awards are accurately recorded and managed.
• Ensure HR systems and records are accurate, up to date and regularly audited.
• Oversee right‑to‑work checks, visa tracking and compliance reporting.
• Maintain organisation charts and raise discrepancies where identified.
• Produce and review weekly and monthly HR reports, ensuring data accuracy and quality.
• Support HR Business Partners with timely information and insights.
• Oversee vacancy bulletins, job advertising and intranet updates.
• Manage agency and contractor administration and monthly reporting.

About you

Essential:

• Proven experience coordinating or managing HR administration in a customer‑focused environment.
• Experience leading, guiding or coordinating the work of others.
• Strong organisational skills with the ability to manage competing priorities and deadlines.
• Confident user of Microsoft Office (Word, Excel, Outlook, PowerPoint).
• Excellent communication and interpersonal skills with a strong service mindset.
• Sound judgement, resilience and the confidence to escalate issues appropriately.

Desirable:

• Experience working in a fast‑paced or complex organisation.
• Demonstrable experience of driving improvements or change within HR.

Why Join Us?

• A varied and influential HR role with real responsibility and scope to improve how HR services are delivered.
• The opportunity to lead and develop an HR administration team.
• A collaborative, values‑driven environment focused on integrity, inclusion and continuous improvement.
• Competitive salary and annual leave, plus an additional day off on your birthday.
• Private medical care, pension and life assurance.
• Cycle to Work scheme, shopping and restaurant vouchers, rewards and discounts.
• Training and development opportunities – comprehensive skills‑based training.
• Family‑friendly policies including enhanced maternity benefits.
• Employee Assistance Programme, mental, physical and financial support and 24/7 Virtual GP service.
• Support in maintaining a fair and inclusive workplace – you can be yourself and thrive.

We Encourage You to Apply Even If Your Experience Isn’t an Exact Match

We believe the right candidate may not tick every box. If your past experience does not match perfectly with every requirement of the job description, we still encourage you to apply. You may be just the right candidate for us.