Location: Fawley, Southampton (SO45 1TX) Duration: 4 Week Contract Industry: Engineering / Maintenance / Construction / Turnaround Services Our client, a principal contractor delivering mechanical maintenance works during a major integrated event and turnaround, is seeking an experienced Office Administrator to support a large site-based workforce and project team. This is a busy, fast-paced engineering environment where deadlines are critical, workforce numbers are constantly changing, and priorities can shift quickly. The successful candidates will be highly organised, resilient individuals who are comfortable dealing with multiple stakeholders, resolving day-to-day site issues, and working under pressure to meet strict client and payroll deadlines. Responsibilities Providing administrative support to a busy site management team Processing high volumes of workforce timesheets accurately and to strict weekly payroll deadlines. Maintaining workforce records, onboarding documentation and personnel files. Coordinating the mobilisation and onboarding of new starters, ensuring all required documentation is completed and compliant. Raising and managing site passes, inductions and access requirements for employees and contractors. Liaising daily with workers, supervisors, site management, client representatives and support functions. Responding to and resolving workforce and site-related queries in a professional and timely manner. Preparing reports, spreadsheets and site administration data as required. Handling incoming telephone calls, emails and correspondence, directing enquiries to the appropriate teams.Skills & Experience Previous experience within an engineering, construction, manufacturing, maintenance, industrial or turnaround environment is highly desirable. Proven experience in a busy administration, workforce coordination or site support role. Experience processing timesheets, payroll information or workforce data would be advantageous. Strong working knowledge of Microsoft 365 applications, particularly Excel, Outlook and Teams. Excellent organisational skills with the ability to manage multiple priorities simultaneously. Strong attention to detail and accuracy when handling workforce and payroll-related information. Confident communicating with people at all levels, from site operatives through to senior client representatives. Ability to deal professionally with challenging situations, conflicting priorities and demanding stakeholders. Resilient, proactive and capable of maintaining standards in a high-pressure operational environment. A strong character with the confidence to challenge where necessary, whilst maintaining professional working relationships. Able to work independently whilst also contributing positively to a wider site team.Additional Information 100% office-based role (SO45 1TX). Candidates must be available to start during week commencing 26/10 Full driving licence required due to site access requirements and movement around site. Rates advertised are PAYE