Role Overview
We are looking for a Senior Network Administrator with strong hands-on experience in L2/L3 datacenter networking, Cisco infrastructure, and network security. The role focuses on maintaining a secure, high-availability network environment, supporting critical operations, and contributing to compliance and continuous improvement initiatives.
Key Responsibilities
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Design, implement, and maintain L2/L3 datacenter networks
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Administer Cisco switches, routers, and firewalls
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Monitor network performance, availability, and security
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Manage firewall policies, ACLs, VPNs, and IPS
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Support PCI-DSS compliance and security best practices
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Troubleshoot complex network issues and participate in L3 on-call support
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Maintain technical documentation, diagrams, and procedures
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Use Jira and Confluence for activity planning and documentation
Required Skills & Experience
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5+ years of experience in network administration
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Strong expertise in L2/L3 networking and Cisco security solutions
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Hands-on experience with Cisco Firepower, Cisco ASA, and Firewall Management Center
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Experience with Cisco ISE, Prime Infrastructure, and Catalyst Center
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Solid understanding of TCP/IP, BGP, OSPF, VLANs, and network security principles
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Experience with PCI-DSS and enterprise network security practices
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Strong troubleshooting and problem-solving skills
Preferred Qualifications
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CCNP, CCNA Security, or similar Cisco certifications
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Experience with monitoring tools such as Catalyst Center, Zabbix, Nagios, or PRTG
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Familiarity with Linux administration
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Knowledge of Python, Shell scripting, Ansible, or Terraform
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Exposure to WAF, IPAM, SD-WAN, and cloud networking
Seniority
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Senior