Sr Network Administrator

Job Title-Sr Network Administrator
Location - New York City, NY (Only Locals)
Onsite Requirement - Y/N-y
Number of days onsite-4 days
If Onsite-New York City, NY

Must Have Skills
Cisco Routing strong
Cisco
BGP 

BGP Routing

Palo Alto

Python

Azure/Aws

Network Migration Projects 

JOB TITLE: Network Administrator DEPARTMENT: Enterprise Platform Services LOCATION: New York, NY.

POSITION OVERVIEW 

• The Network Administrator is responsible for managing and supporting enterprise network infrastructure to ensure the stable, secure, and efficient operation of data networks and related services.
• This role involves deploying, maintaining, operating, and optimizing network services across on premises and cloud environments.
• The Network Administrator will work as part of a highly collaborative team, supporting business-critical connectivity and network modernization initiatives. 

PRIMARY RESPONSIBILITIES

• Design, install, configure, and deploy network architecture to support LAN, WAN, WLAN, and cloud (Azure/AWS) networking requirements.
• Manage and support Cisco routing and switching technologies, including Catalyst and Nexus platforms. Implement, configure, and support BGP (Border Gateway Protocol) routing, including traffic engineering, route filtering, route reflectors, policy controls, and route optimization.
• Lead and support network design, migration, and implementation projects, including adoption of new routing architectures using BGP.
• Configure and manage firewalls (e.g., Palo Alto, F5 Big IP) with BGP integration and advanced security policies.
• Provide strong hands-on support for Azure networking, including VPNs, cloud to on prem connectivity, VNET/VPC design, subnetting, and hybrid network architectures.
• Troubleshoot complex network performance issues using packet captures, logs, and diagnostic tools.
• Coordinate with network service providers and vendors to design enterprise network topology, routing, and service levels.
• Implement alerting, monitoring, and response runbooks across network platforms to ensure optimal availability and performance.
• Follow established Incident, Problem Management, and CAB processes.
• Perform capacity planning, disaster recovery planning, and ensure infrastructure meets current and future business demands.
• Support project and implementation teams in delivering network solutions in a fast paced enterprise environment.
• Participate in lifecycle management activities such as software upgrades, hardware refreshes, and platform standardization.
• Install, operate, and maintain network and security infrastructure including firewalls, intrusion detection systems, and anti-virus solutions.
• Research emerging technologies and recommend network products, tools, and standards aligned with organizational goals.
• Prepare and maintain accurate and up to date network documentation, diagrams, and operational procedures.
• Communicate effectively with internal stakeholders to provide updates, explain technical decisions, and support business outcomes. 

QUALIFICATIONS AND EXPERIENCE 

Required Experience (2-4+ years) 

• Hands on experience with: Cisco routing and switching technologies BGP routing (traffic engineering, route filtering, route reflectors, policy controls, optimization)
• Palo Alto Firewalls Cisco Catalyst & Nexus Cisco Unified Wireless (ISE, Prime Infrastructure) F5 Big IP (multiple products)
• Strong experience with public cloud networking, especially Azure (VPNs, hybrid connectivity, VNET/VPC design, subnetting).  
• Experience configuring and managing firewalls with BGP integration.
• Experience working on network migration and implementation projects.
• Experience with Microsoft and Linux operating systems.
• Working knowledge of network automation and scripting, with: Python (desired)
• Experience writing and using scripts to support network automation or operational tasks.
• Familiarity with automation tools/frameworks such as Ansible, Nornir, Terraform, Go, or similar.
• Additional Requirements Strong written and verbal communication skills with the ability to interact effectively with technical and non-technical stakeholders.
• Previous experience managing datacentre environments or datacentre service providers.
• Willingness to provide occasional off hours and weekend support and participate