HR Advisor - Mosaic Recruitment Ltd., : Job Details

HR Advisor / Senior HR AdministratorSalary: £35,000 – £36,000Hours: 40 hours per week, office basedIndustry: Construction (Site Services)Location: Stansted area An excellent opportunity has arisen within a growing organisation in the construction site services sector. This is a dynamic HR Advisor / Senior HR Administrator role offering exposure to a broad range of generalist HR responsibilities. The successful candidate will play a key part in supporting the HR function during a period of ongoing expansion. Role OverviewReporting to the Head of Finance/HR, this position is responsible for providing first-line HR advice and support to line managers across a range of matters including policy, procedure, performance management, and employee relations. In addition, the role involves hands-on administrative support across the full employee lifecycle. Key Responsibilities

• Act as the first point of contact for HR enquiries, providing initial advice on disciplinary, grievance, absence, and performance matters
• Maintain and update the HR system, ensuring data accuracy and confidentiality
• Manage recruitment processes including CV screening, interviews, pre-employment checks, and onboarding
• Support the coordination of inductions, training, and development initiatives
• Administer assessment and industry-specific certification processes
• Oversee training records, scheduling, and tracking qualifications
• Review and update HR policies and procedures in line with current legislation and best practice
• Maintain accurate absence, sickness, and attendance records
• Prepare HR reports and documentation as required
• Support the management team with ad-hoc HR projects and tasks
• Organise and maintain employee files and documentation systems

Skills and Experience Required Essential

• Proven experience in a generalist HR role, including advising on performance, conduct, and policies
• Recruitment experience, including conducting interviews
• Strong interpersonal and communication skills across all levels
• Excellent organisational and time management abilities
• High attention to detail and accuracy
• Proactive, with the ability to manage own workload
• Proficiency in Microsoft Office

Benefits

• Competitive salary of £35,000 – £36,000
• 23 days holiday (rising to 25 with service) plus public holidays
• Private medical and dental insurance (post-probation)
• Life insurance (after 1 year of service)

This is a fantastic opportunity to join a forward-thinking organisation committed to employee development and delivering excellence in its field.