Systems Administrator

Job Overview Location: Ultimo, NSW Type: Full Time, IT Jobs Vacancy Dates: 5/12/2025 to 2/01/2026 Reference Number: 14597 Employer: Guardcorp Security Pty Ltd Key Points: Qualified and skilled Systems Administrator wanted Full time role with growth opportunities Join the team at Guardcorp Security Pty Ltd About Guardcorp Security Pty Ltd Guardcorp Security Pty Ltd is a long-established Australian‑owned company providing professional and comprehensive security services to commercial, residential, government, industrial and manufacturing sectors. Their core services include on‑site security guarding, mobile patrols, concierge and access control, asset protection, alarm response, and electronic security solutions. Operating since 2000, Guard Corp has built a strong reputation for reliability, discretion and service excellence, with a head office located in Ultimo, NSW, and operations spanning multiple sites across metropolitan Sydney. About the Role We are currently seeking an experienced Systems Administrator to join our team in Ultimo, with occasional travel to client sites across Sydney metro. This is a full‑time role, working 38 hours per week across 5 days. Duties and Responsibilities Administer, configure, and maintain company servers, network infrastructure, and cybersecurity systems. Manage Active Directory, group policies, permissions, and user account provisioning. Monitor and optimise system performance, ensuring uptime and data integrity across all IT systems. Troubleshoot and resolve hardware, software, and connectivity issues for both on‑site and remote users. Manage Microsoft 365, Exchange, and cloud environments including Azure AD and Intune. Implement system upgrades, security patches, and backups according to company policies. Develop and maintain IT documentation, configuration records, and disaster recovery procedures. Collaborate with management to ensure system compliance with data protection and ISO security standards. Provide level 2/3 technical support to staff and coordinate external vendors where required. Equipment / Systems Used Windows Server 2019/2022 Microsoft 365 / Azure AD / Intune VMware / Hyper‑V Cisco / Ubiquiti networking devices Endpoint security and data‑backup systems Qualifications Our ideal candidate will be a reliable, security‑conscious IT professional with attention to detail and the ability to work autonomously in a fast‑paced service‑oriented business. The candidate should be proactive, technically competent, and capable of handling sensitive information with discretion. Bachelor’s degree in Information Technology, Computer Science, or a related field. Minimum 1 year of experience in a similar Systems or Network Administrator role. Strong working knowledge of Windows Server 2019/2022, Active Directory, and Microsoft 365 environments. Hands‑on experience with virtualisation platforms (VMware / Hyper‑V) and cloud administration. Understanding of cybersecurity frameworks, firewalls, and endpoint protection. Excellent diagnostic, problem‑solving, and documentation skills. Vendor certifications (Microsoft, Cisco, CompTIA) are highly regarded. Benefits Key opportunity to manage and improve IT infrastructure in a well‑established national security company. Involvement in enterprise‑grade projects across servers, networks, and cybersecurity. Career progression into senior systems or infrastructure management. Exposure to both corporate and field‑based technology environments. Salary A salary between $77,000 - $85,000 per annum plus superannuation will be offered to the successful candidate. Apply now through our online application form. #J-18808-Ljbffr