HR Assistant

• United Infrastructure is a dynamic and rapidly expanding business, focused on delivering critical infrastructure projects, across the utility and social infrastructure sectors.
• Our team of highly skilled and hardworking specialists deliver innovative solutions to the complex challenges our clients face.

Our company is split into two business areas

Utility Infrastructure –

Our team of Utility Infrastructure specialists design, build and maintain critical water, energy (gas), power and telecoms infrastructure, for the UK’s largest network owners and operators.

Social Infrastructure -

Our team of Social Infrastructure specialists revitalise homes and communities by carrying out a wide range of work, from retrofit to refurbishment, and maintenance.

Equal Opportunities Statement - At United Infrastructure, we are committed to making every interaction a positive and inclusive experience. If there is anything we can do to support you, remove barriers, or make the process more accessible, please let us know — we want this to be the best possible experience for you.

The HR Assistant will provide efficient administrative and operational support to the HR/People team, ensuring the smooth delivery of employee lifecycle processes across United Infrastructure. The role will support recruitment, onboarding, employee records, HR administration, payroll coordination and employee engagement while maintaining confidentiality and delivering excellent customer service to employees and managers.

Key Responsibilities

HR Administration

• Maintain accurate and up-to-date employee personnel files and HR records.
• Prepare employment contracts, offer letters, amendments and HR correspondence.
• Update HR systems with employee information, absence, holidays and other employment changes.
• Ensure all documentation is processed in line with company policies and data protection requirements.

Recruitment & Onboarding

• Assist with posting job vacancies and coordinating recruitment activities.
• Arrange interviews and communicate with candidates and hiring managers.
• Support pre-employment checks, right-to-work verification and onboarding documentation.
• Coordinate induction programmes for new starters.

Employee Support

• Act as the first point of contact for routine HR queries from employees and managers.
• Provide administrative support for probation reviews, performance reviews and employee development processes.
• Assist with employee engagement initiatives and internal HR communications.
• Maintain confidentiality when handling sensitive employee information.

Payroll & Reporting Support

• Prepare monthly payroll information including starters, leavers and contractual changes.
• Support HR reporting by producing accurate spreadsheets and workforce data.
• Monitor absence records and assist with HR compliance reporting.

Person Specification

Essential

• Previous experience in an HR, administration or people support role.
• Excellent organisational and administrative skills with strong attention to detail.
• Good written and verbal communication skills.
• Ability to manage multiple tasks and work effectively in a fast-paced environment.
• Proficient in Microsoft Office, particularly Outlook, Word and Excel.
• Ability to handle confidential information with professionalism and discretion.

Desirable

• CIPD Level 3 qualification or working towards CIPD certification.
• Experience within construction, infrastructure, utilities or engineering sectors.
• Knowledge of HR systems and employee lifecycle processes.
• Experience supporting recruitment and onboarding activities.

Join us at United Infrastructure and be part of our mission to deliver innovative and sustainable solutions to the complex infrastructure needs of the UK.