Administrator Location: High Wycombe, Buckinghamshire Salary: £41,000 – £50,000 per annum Hours: Full-time, Monday to Friday (7:30am – 4:00pm, flexible) Are you an experienced Administrator with high-level security clearance seeking a crucial role within a secure and fast-paced environment? This exciting opportunity is with a confidential organisation managing a complex property portfolio. The successful candidate will play an essential role in ensuring smooth administrative operations within a security-sensitive setting. Key Responsibilities * Provide comprehensive administrative support across a multi-disciplinary team * Input and maintain accurate data in internal IT systems * Prepare and update reports for senior stakeholders * Support team members by keeping key documentation current * Manage visitor-related security procedures with diligence * Deliver professional and discreet team administration Ideal Candidate * Holds active high-level security clearance or clearance that has lapsed within the past 6 months * Sole UK national, willing to undergo further security vetting if required * Experienced in administration, preferably within construction, property, or facilities management * Highly organised with great attention to detail * Confident user of Microsoft Office, especially Excel * Familiarity with systems like Maximo or Advantage is advantageous * Excellent communication and teamworking skills * Comfortable working full-time onsite in Buckinghamshire This role offers the chance to be a key contributor within a sensitive and secure environment where your organisation and discretion will be highly valued