Network Security & Operations

Job Description

Network Security & Operations

Must Have Technical/Functional Skills

Telecom/ Comcast domain experience

Cisco and Juniper platforms

LAN network solutions

Routing Protocols

Roles & Responsibilities

Job Summary

We are seeking highly skilled enterprise networking technologies with strong expertise in Cisco and Juniper platforms (IOS Junos). The ideal candidate will be responsible for designing developing and maintaining scalable high performance customer equipment s

Key Responsibilities

1. Perform remote configuration deployment and troubleshooting of customer premises equipment (CPE) including enterprise-grade IP routers Layer 2/Layer 3 switches and APs across multi-vendor environments (Ruckus Juniper).

2. Design and implement scalable LAN network solutions.

3. Develop and maintain lab environments to emulate production network topologies for validation testing and proof-of-concept (PoC) initiatives. This includes rack/stack cabling OS imaging and configuration management.

4. Execute comprehensive lab-based testing of new and existing network hardware and software including firmware validation interoperability testing performance benchmarking (latency throughput convergence) and failover scenarios.

5. Perform troubleshooting of network performance issues.

6. Implement and manage network security controls including firewall policies ACLs NAT segmentation and intrusion detection/prevention features across multi-vendor platforms.

7. Automate network provisioning and configuration tasks using scripting and tools (e.g. Python Ansible REST APIs) improving efficiency and reducing manual configuration errors.

8. Maintain detailed network documentation including topology diagrams configuration standards implementation procedures and test results.

Required Skills & Experience

1. 3 5 years of hands-on experience with enterprise networking technologies with strong expertise in Cisco and Juniper platforms (IOS Junos).

2. Deep understanding of Layer 2 and Layer 3 networking concepts including:

VLANs STP/RSTP/MSTP

Routing protocols: OSPF BGP EIGRP (design redistribution policy control)

ARP ICMP and TCP/IP stack behaviour

3. Strong experience with network design and architecture principles including hierarchical design models redundancy and failover mechanisms.

4. Proven experience deploying and managing enterprise firewalls (Cisco ASA/FTD Juniper SRX) including policy design VPN configuration and threat mitigation.

5. Familiarity with WAN technologies and services such as MPLS Metro Ethernet SD-WAN and broadband connectivity.

6. Experience with network monitoring and troubleshooting tools such as SNMP and packet capture/analysis.

7. Exposure to network automation frameworks and scripting (Python Ansible Bash) is highly desirable.

8. Strong analytical troubleshooting and problem-solving skills with the ability to work in complex multi-vendor environments.