Job Description
<p><p><b>PURPOSE OF THE POSITION :</b><br/><br/></p><p>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.
</p><p><br/></p><p>You will play a key role in IT security, network management, Linux/Windows system administration, employee onboarding/offboarding, and cloud service RESPONSIBILITES :</b></p><p><br/></p>1.
IT Security & ISO 27001 Compliance :<br/><br/></p><p>- Draft and implement IT policies for ISO 27001 certification.<br/><br/></p><p>- Manage endpoint security:<br/><br/></p><p>- Windows Defender for Endpoint (MDR)<br/><br/></p><p>- CrowdStrike Falcon (EDR/XDR)<br/><br/></p><p>- BitLocker/FileVault encryption<br/><br/></p><p>- Conduct security audits, risk assessments, and vulnerability scans.<br/><br/></p><p>- Implement IAM, SSO, MFA, Zero Trust Security policies.<br/><br/></p><p>- Harden Linux/Windows servers against cyber threats.<br/><br/></p><p>2.
Windows, macOS & Linux System Administration :<br/><br/></p><p>- Administer Windows Server (2016/2019/2022), Active Directory, Group Policy, DNS, DHCP, Hyper-V.<br/><br/></p><p>- Manage macOS devices using Apple Business Manager and MDM (Jamf, Intune, or Kandji).<br/><br/></p><p>Linux Administration :<br/><br/></p><p>- Patch management & security hardening<br/><br/></p><p>- User management, ACLs, Sticky Bit<br/><br/></p><p>- LVM (Logical Volume Management) & SWAP management<br/><br/></p><p>- NFS & Samba for file sharing<br/><br/></p><p>- HAProxy for load balancing<br/><br/></p><p>- Bind service (DNS configuration)<br/><br/></p><p>3.
Cloud & Infrastructure Management :<br/><br/></p><p>- Administer AWS Cloud Infrastructure:<br/><br/></p><p>- EC2, S3, IAM, VPC, CloudWatch, Auto Scaling, Route 53<br/><br/></p><p>- Linux-based web and application servers<br/><br/></p><p>- Manage firewalls & VPN solutions (Fortinet, SonicWall, Palo Alto, Sophos).<br/><br/></p><p>- Optimize network performance, storage, and load balancing.<br/><br/></p><p>4.
Employee Onboarding & Offboarding :<br/><br/></p><p>- Automate user provisioning/deprovisioning with PowerShell, AWS Lambda, or Bash scripting.</p><p><br/></p><p>- Manage user accounts, email access, and security permissions.<br/><br/></p><p>- Maintain IT asset inventory & system access controls.<br/><br/></p><p>5.
IT Support & Troubleshooting :<br/><br/></p><p>- Provide L1/L2 support for Windows, macOS, and Linux issues.<br/><br/></p><p>- Troubleshoot network, hardware, and software problems.<br/><br/></p><p>- Maintain remote access solutions (VPN, RDP, QUALIFICATIONS :</b></p><p><br/></p>- Bachelors degree in Computer Science, IT, or a related field.<br/><br/></p><p>- Certifications (preferred but not mandatory):</p><p><br/></p><p>- ISO 27001 Lead Implementer / Lead Auditor<br/><br/></p><p>- Linux Foundation Certified System Administrator (LFCS) / RHCSA<br/><br/></p><p>- AWS Certified SysOps Administrator<br/><br/></p><p>- Microsoft Certified: Azure Administrator Associate / M365 Administrator<br/><br/></p><p>- Jamf Certified Tech / Apple Certified Support Professional<br/><br/></p><p>- CrowdStrike Falcon Administrator Certification<br/><br/></p><p>- Cisco CCNA / Fortinet NSE / Palo Alto PCNSA<br/><br/></p><p>- Strong expertise in Windows, macOS, Linux, Office 365, AWS, and security JOIN US ?</b></p><p><br/></p>- Work on cutting-edge cloud & cybersecurity technologies.<br/><br/></p><p>- Be part of a fast-growing SaaS company leading ISO 27001 compliance.<br/><br/></p><p>- Competitive salary and career growth opportunities in Linux, AWS, and security.</p><br/></p> (ref:hirist.tech)