Network & VoIP Administrator

Key Responsibilities :   Assist in configuring, managing, and troubleshooting Cisco network devices (routers, switches) in a LAN / WAN environment.

Support the deployment, configuration, and maintenance of Cisco Unified Communications (CUCM, UCCX, IM & Presence, CUC, VG, and Expressway) and VoIP solutions.

Monitor network performance and perform routine maintenance tasks, including firmware upgrades and patch management.

Participate in diagnosing and resolving network and VoIP-related issues to ensure minimal downtime.

Collaborate with senior network engineers on complex troubleshooting tasks and network optimization.

Assist in implementing security measures, including firewall rules, VPNs, and access control lists (ACLs).

Work with QoS policies to ensure optimal voice and data traffic flow across the network.

Maintain accurate documentation of network configurations, VoIP settings, and troubleshooting steps.

Help manage IP addressing schemes, VLANs, and subnetting for efficient network segmentation.

Engage in disaster recovery planning and implement network redundancy protocols, including DMVPN and HSRP.

Provide end-user support for VoIP phones, softphones, and related hardware / software issues.

Stay updated with the latest Cisco certifications, network technologies, and VoIP industry trends.

Required Skills and Qualifications :   B.Sc.

degree in Computer Science, communications, or electronics engineering Experience : 1-2 years in the Network & VOIP field.  Entry-level Cisco certification (CCNA or working towards CCNA).     Basic knowledge of Cisco IOS commands and networking protocols (TCP / IP, BGP, OSPF, EIGRP).

Familiarity with Cisco Unified Communications Manager (CUCM) and VoIP concepts.        Understanding of network security principles (firewalls, VPN, ACLs, and encryption).    Ability to work in a collaborative team environment and communicate effectively.       Strong analytical and problem-solving skills, with attention to detail.          Willingness to learn and adapt to new technologies and processes.

Preferred Qualifications :   Experience working with Cisco networking devices (routers, switches) and basic VoIP technologies.

Exposure to DMVPN and security best practices in a Cisco environment.

Familiarity with network monitoring tools such as SolarWinds, NetScout and PRTG.

Knowledge of scripting or automation tools (Python) is a plus.

Additional Cisco certifications (CCNP, CCNA Collaboration) are a plus.

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