Network Administrator

2 weeks ago

Mumbai, India Atos Full time

Job Description: Network Administrator (L2 Level, 5-10 Years of Experience)Role OverviewThe Network Administrator at Level 2 is responsible for managing and maintaining enterprise network infrastructure, ensuring optimal performance, security, and reliability. This role requires 5-10 years of experience in network administration, with expertise in routing, switching, and troubleshooting.Key ResponsibilitiesNetwork Operations and Maintenance:Manage and maintain network devices, including Cisco and Juniper switches and routers.Perform routine network monitoring, troubleshooting, and maintenance to ensure high availability.Configure and manage routing protocols such as EIGRP, OSPF, and BGP.Routing and Switching:Configure and troubleshoot Cisco Switches (45XX, 3750/6500/Nexus) and Routers (ASR 1000 Series, 72xx/2600/2800, 3800 series).Manage Juniper switches and routers (EX Series, QFX Series, PTX Series, MX Series).Implement switching protocols such as STP, RSTP, PVST, and port channeling.Network Security:Configure and troubleshoot HSRP, NAT, GLBP, and IP SLA for network redundancy and security.Ensure compliance with organizational security policies and standards.Performance Optimization:Monitor network performance using tools like Wireshark, Network Observer, Netflow Analyzer, and MRTG.Optimize network configurations to meet business requirements.Disaster Recovery and Redundancy:Implement disaster recovery solutions and ensure network redundancy.Conduct regular tests to validate backup and recovery processes.Documentation and Reporting:Maintain detailed documentation of network configurations, changes, and incidents.Provide regular reports on network health and performance metrics.Collaboration and Support:Work closely with Level 1 support teams to resolve escalated issues.Collaborate with cross-functional teams to ensure seamless network operations.Required Skills and QualificationsTechnical Expertise:Proficiency in Cisco and Juniper network devices and protocols.Strong knowledge of routing protocols (EIGRP, OSPF, BGP) and switching technologies (STP, RSTP, PVST).Experience with network security configurations (HSRP, NAT, GLBP, IP SLA).Certifications (Preferred):Cisco Certified Network Associate (CCNA).Cisco Certified Network Professional (CCNP).ITIL Foundation Certification.Soft Skills:Strong analytical and problem-solving abilities.Effective communication and collaboration skills.Ability to work in a fast-paced environment and manage multiple priorities.Behavioral CompetenciesAssertive and adaptable to business demands.Strong analytical and planning skills.Ability to function effectively in a quality-conscious, process-driven organization.Excellent written and verbal communication skills.

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