Network Security Engineer

Overview

Hybrid
Depends on Experience
Contract - W2
Contract - 12 Month(s)

Skills

Agile
Cisco Certifications
Border Gateway Protocol
Cisco
Auditing
Network Monitoring
Network Design
Python
Quantitative Research
Network Security
IOS Development
Regulatory Compliance
OSPF

Job Details

About the Company:

Our client is a quantitative research technology firm. The Network Security Engineer will join the firm's Network and Security Platform Management team. This team is responsible for the firm's global network footprint across office, data center, and co-location environments.

Responsibilities:

  • Implement and maintain scalable and resilient data center network infrastructure built on Cisco and Arista technologies

  • Lead troubleshooting and break/fix efforts for complex enterprise network issues involving routing, switching, firewalls, and WAN infrastructure

  • Drive the automation of operational tasks including configuration management and network provisioning, using tools such as Git, Ansible, Python, and Jinja2

  • Implement and manage WAN architectures using IOS-XR, SD-WAN, segment routing, and multitenant design principles

  • Monitor and proactively manage the health and performance of the global network infrastructure using modern telemetry and observability tools

  • Support and operate Infrastructure-as-Code and CI/CD practices for network provisioning

  • Conduct regular network audits and ensure compliance with internal standards and best practices

Requirements:

  • Proven experience operating and engineering large-scale enterprise or data center networks

  • Strong expertise in Cisco and Arista hardware and software platforms, including IOS, IOS-XR, NX-OS, and EOS

  • In-depth understanding and hands-on experience with BGP, OSPF, EVPN, VXLAN, and MPLS technologies

  • Practical experience in WAN technologies, including SD-WAN, segment routing, and multitenancy environments

  • Solid scripting and automation skills with tools like Python, Ansible, Jinja2, and Git

  • Strong diagnostic skills, including packet analysis and performance tuning

  • Experience with network monitoring tools and predictive analysis systems

  • Demonstrated ability to work in Agile and DevOps-oriented environments

  • CCNP or equivalent level of certification preferred; CCIE or relevant vendor certifications a strong plus

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