Atos
Network Administrator
AtosIndia12 days ago
Full-timeAdministrative

Job Description: Network Administrator (L2 Level, 5-10 Years of Experience)

Role Overview

The 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 Responsibilities

  1. Network 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.
  1. 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.
  1. Network Security:
  • Configure and troubleshoot HSRP, NAT, GLBP, and IP SLA for network redundancy and security.
  • Ensure compliance with organizational security policies and standards.
  1. Performance Optimization:
  • Monitor network performance using tools like Wireshark, Network Observer, Netflow Analyzer, and MRTG.
  • Optimize network configurations to meet business requirements.
  1. Disaster Recovery and Redundancy:
  • Implement disaster recovery solutions and ensure network redundancy.
  • Conduct regular tests to validate backup and recovery processes.
  1. Documentation and Reporting:
  • Maintain detailed documentation of network configurations, changes, and incidents.
  • Provide regular reports on network health and performance metrics.
  1. 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 Qualifications

  • Technical 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 Competencies

  • Assertive 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.

Key Skills

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