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.

KEY RESPONSIBILITES

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

• Bachelors 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.