FINVASIA - Linux System Administrator - Ubuntu/CentOS
6 days ago
Job Summary :We are looking for a knowledgeable and proactive Linux System and Networking Administrator with strong experience in virtualization (especially Proxmox and VMware vCenter) and a deep understanding of enterprise networking.You will be responsible for maintaining our Linux systems, managing virtualized environments, and ensuring robust and secure network operations across the organization.Key Responsibilities :Linux System Administration :- Install, configure, and maintain Linux servers (Ubuntu, CentOS, RHEL) in physical and virtual environments.- Manage web, database, file, and directory services, including Apache/Nginx, MySQL/PostgreSQL, Samba, and LDAP.- Develop and maintain system automation scripts using Bash, Ansible, or similar tools.- Ensure system uptime, performance, and reliability through proactive monitoring and maintenance.Virtualization & Infrastructure Management :- Administer and maintain Proxmox VE and VMware vCenter/ESXi virtual environments.- Provision, clone, snapshot, and manage virtual machines and containers.- Monitor and optimize virtual resource utilization (CPU, memory, storage).- Assist in planning and implementing scalable, redundant virtualization infrastructure.Network Administration :- Design, configure, and manage LAN/WAN environments, including VLANs, routing, trunking, and link aggregation.- Administer and maintain firewalls (e.g., pfSense, iptables, FortiGate), VPNs, and secure remote access solutions (OpenVPN, WireGuard).- Monitor network performance and troubleshoot issues using tools like tcpdump, Wireshark, and NetFlow.- Maintain DNS, DHCP, NAT, and port forwarding rules in both physical and virtualized networks.Security and Compliance :- Harden Linux systems and network infrastructure based on best practices.- Conduct periodic audits, patching, and updates for operating systems, hypervisors, and firewalls.- Implement and maintain intrusion detection/prevention systems (IDS/IPS) and network access control.Support & Documentation :- Provide tier 2/3 support for Linux, network, and virtualization-related issues.- Document infrastructure, network diagrams, system configurations, and SOPs.- Work closely with IT security, DevOps, and cloud teams to ensure a consistent and secure :Experience :- 35+ years of experience in Linux system administration and networking.- 3+ years experience managing Proxmox or VMware vCenter environments.Technical Skills :- Proficient in Linux (RHEL, CentOS, Ubuntu).- Hands-on experience with Proxmox VE, vSphere, and VMware vCenter.- Deep understanding of networking fundamentals: TCP/IP, DNS, DHCP, VLANs, routing protocols, and NAT.- Experience configuring and managing firewalls and VPNs.- Strong scripting and automation skills (Bash, Ansible, or Python).- Familiar with monitoring/logging tools: Zabbix, Grafana, ELK, or similar.Preferred Qualifications :- Certifications: RHCE, VCP, CCNA, CompTIA Network+, or equivalent.- Experience with SDN, high availability setups, and network segmentation.- Familiarity with hybrid cloud infrastructure or on-premises to cloud migrations.Soft Skills :- Strong analytical and troubleshooting skills.- Ability to work independently and under pressure.- Good communication and documentation abilities.- Willingness to participate in an on-call rotation. (ref:hirist.tech)
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Linux System Administrator
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Sahibzada Ajit Singh Nagar, India FINVASIA Full timeJob Summary: We are looking for a knowledgeable and proactive Linux System and Networking Administrator with strong experience in virtualization (especially Proxmox and VMware vCenter) and a deep understanding of enterprise networking. You will be responsible for maintaining our Linux systems, managing virtualized environments, and ensuring robust and...
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Linux System Administrator
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Sahibzada Ajit Singh Nagar, India FINVASIA Full timeJob Summary: We are looking for a knowledgeable and proactive Linux System and Networking Administrator with strong experience in virtualization (especially Proxmox and VMware vCenter) and a deep understanding of enterprise networking. You will be responsible for maintaining our Linux systems, managing virtualized environments, and ensuring robust and...
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Sahibzada Ajit Singh Nagar, India FINVASIA Full timeJob Summary:We are looking for a knowledgeable and proactive Linux System and Networking Administrator with strong experience in virtualization (especially Proxmox and VMware v Center) and a deep understanding of enterprise networking. You will be responsible for maintaining our Linux systems, managing virtualized environments, and ensuring robust and secure...
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