Network Administrator

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.