Senior IT Administrator

PURPOSE OF THE POSITION

We are looking for a Senior IT Administrator to manage and secure our Windows, macOS, and Linux environments, ensure compliance with ISO 27001, and optimize AWS cloud infrastructure.

You will play a key role in IT security, network management, Linux/Windows system administration, employee onboarding/offboarding, and cloud service optimization.

ORGANISATIONAL CONTEXT

CIMET currently provides end-to-end comparison and signup of Energy, Telco, Credit Cards, Personal loan, and residential solar plans through its online solution in a B2B and B2C environment. It presently caters to various Providers and has several White label partners and other co-branded partners. This portfolio will further expand over the next 18 months across financial services (loans and insurance products). The online comparison market is extremely crowded in Australia, with most comparators providing a light touch directory solution. CIMET saw this as an opportunity and developed a fully integrated online comparison and signup platform.

On 15 March 2022, CIMET decided to partner with iSelect who acquired a 49% stake in CIMET Holdings. Going forward, CIMET will use this investment from iSelect to expand into new verticals including Home loans, Car loans, Life Insurance, Health Insurance, Pet Insurance among others. Additionally, CIMET has plans to expand into multiple geographies including India. CIMET today has around 130+ resources across Australia and India and will grow to over 200 over the next 2 years.

Key Responsibilities:

1. IT Security & ISO 27001 Compliance

• Draft and implement IT policies for ISO 27001 certification.
• Manage endpoint security:
  • Windows Defender for Endpoint (MDR)
  • CrowdStrike Falcon (EDR/XDR)
  • BitLocker/FileVault encryption
• Conduct security audits, risk assessments, and vulnerability scans.
• Implement IAM, SSO, MFA, Zero Trust Security policies.
• Harden Linux/Windows servers against cyber threats.

2. Windows, macOS & Linux System Administration

• Administer Windows Server (2016/2019/2022), Active Directory, Group Policy, DNS, DHCP, Hyper-V.
• Manage macOS devices using Apple Business Manager and MDM (Jamf, Intune, or Kandji).
• Linux Administration:
  • Patch management & security hardening
  • User management, ACLs, Sticky Bit
  • LVM (Logical Volume Management) & SWAP management
  • NFS & Samba for file sharing
  • HAProxy for load balancing
  • Bind service (DNS configuration)

3. Cloud & Infrastructure Management

• Administer AWS Cloud Infrastructure:
  • EC2, S3, IAM, VPC, CloudWatch, Auto Scaling, Route 53
  • Linux-based web and application servers
• Manage firewalls & VPN solutions (Fortinet, SonicWall, Palo Alto, Sophos).
• Optimize network performance, storage, and load balancing.

4. Employee Onboarding & Offboarding

• Automate user provisioning/deprovisioning with PowerShell, AWS Lambda, or Bash scripting.
• Manage user accounts, email access, and security permissions.
• Maintain IT asset inventory & system access controls.

5. IT Support & Troubleshooting

• Provide L1/L2 support for Windows, macOS, and Linux issues.
• Troubleshoot network, hardware, and software problems.
• Maintain remote access solutions (VPN, RDP, Citrix).

Preferred Qualifications:

• Bachelor’s degree in Computer Science, IT, or a related field.
• Certifications (preferred but not mandatory):
  • ISO 27001 Lead Implementer / Lead Auditor
  • Linux Foundation Certified System Administrator (LFCS) / RHCSA
  • AWS Certified SysOps Administrator
  • Microsoft Certified: Azure Administrator Associate / M365 Administrator
  • Jamf Certified Tech / Apple Certified Support Professional
  • CrowdStrike Falcon Administrator Certification
  • Cisco CCNA / Fortinet NSE / Palo Alto PCNSA
• Strong expertise in Windows, macOS, Linux, Office 365, AWS, and security tools.

Why Join Us?

• Work on cutting-edge cloud & cybersecurity technologies.
• Be part of a fast-growing SaaS company leading ISO 27001 compliance.
• Competitive salary and career growth opportunities in Linux, AWS, and security.

CHALLENGES OF THE POSITION