Senior System Administrator
6 days ago
We are seeking a Senior System Administrator with extensive experience in managing IT infrastructure, system administration, and cybersecurity. The ideal candidate will have a strong background in Windows Server, Linux, networking, virtualization, cloud integration, and security management.
Key Responsibilities:
Operating Systems Administration:
- Manage Windows Server (Active Directory, Group Policy, DNS, DHCP, IIS).
- Administer Linux/Unix environments (Ubuntu, CentOS, Red Hat) including user permissions and shell scripting.
Networking & Infrastructure:
- Deep understanding of TCP/IP, VLANs, VPN, DNS, and DHCP.
- Manage firewalls and cybersecurity solutions.
- Knowledge of SD-WAN and load balancing technologies.
- Expertise in VMware vSphere & vCenter:
- Installation, administration, and maintenance.
- ESXi host management and performance optimization.
- vMotion, clustering, and snapshot management.
- Storage and network integration.
- Troubleshooting VMware environments.
Storage & Backup Solutions:
- Manage SAN, NAS, iSCSI, and FC storage solutions.
- Experience with Dell EMC, NetApp, HPE 3PAR, and Pure Storage.
- Experience with On-Prem to Cloud Migration (AWS, Azure, Google Cloud).
- System migrations: Physical to Virtual (P2V) and Virtual to Virtual (V2V).
- Database and application migration to new environments.
Cybersecurity & Security Management:
- Implement security standards (ISO 27001, NIST, CIS).
- Integrate SIEM, EDR/XDR security solutions.
- Manage MFA, firewall rules, IDS/IPS.
Administrative & Soft Skills:
- Technical documentation and report writing.
- Strong problem-solving and performance analysis skills.
- Ability to communicate effectively with non-technical users.
- Ability to work under pressure and handle critical incidents.
Experience & Qualifications:
- 9+ years in IT infrastructure and system administration.
Preferred Certifications:
- Windows Server: Microsoft Certified: Windows Server Hybrid Administrator Associate, MCSA/MCSE (Legacy).
- Networking & Infrastructure: CCNA, CCNP.
- VCP-DCV, VCAP-DCV, VCDX (advanced level).
Mid-Senior level
Employment TypeFull-time
Job FunctionInformation Technology
IndustriesIT Services and IT Consulting
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