Senior Network Engineer, Director – Critical Infrastructure & Patch Deployment

Role Overview

We are seeking a highly skilled and hands-on Senior Network Engineer to join our Enterprise Network Services team. This role is responsible for deploying, and supporting critical network infrastructure across both internal enterprise environments and external customer-facing platforms.

The ideal candidate will have extensive experience planning and executing critical network security and infrastructure patch rollouts in fast-paced, highly regulated, and uptime-sensitive environments. The role requires deep expertise in routing, switching, data center networking, internet connectivity, network security, and production change management.

The successful candidate will demonstrate a strong track record of executing complex infrastructure changes with minimal risk, maintaining network resiliency, and supporting business-critical services operating in 24x7 global environments.

Key Responsibilities

• Implement, and support enterprise-scale network infrastructure across data centers, cloud, and campus environments.

• Provide Tier-3 support and technical leadership during major incidents and escalations.

• Develop and maintain network standards, update documentation, and engineering procedures.

• Lead planning, testing, risk assessment, and deployment of critical security and infrastructure patches across production environments.

• Drive execution of complex maintenance activities with minimal customer or business impact.

• Coordinate maintenance windows, rollback plans, validation testing, and post-implementation reviews.

• Ensure compliance with security, audit, and regulatory requirements through timely remediation of vulnerabilities.

• Partner with Security, Infrastructure, Application, and Operations teams to prioritize and execute remediation activities.

• Coordinate end-to-end remediation activities including maintenance windows and pre/post validations across multiple stakeholders, including business application owners, multiple infrastructure teams (Unix, Load Balancer, Firewall etc), security teams, and all relevant third-party vendors (Cisco/Arista etc).

• Maintain high availability and resilience of business-critical services.

• Monitor network performance and proactively identify risks before they impact production.

• Develop automation solutions using Python, Ansible, or similar tools to improve operational and deployment efficiency.

• Standardize deployment procedures and reduce manual intervention through automation.

• Drive operational excellence through continuous process improvement and infrastructure optimization.

Required Technical Skills

Strong hands-on experience with:

• Cloud observability skill set and cloud native tools like CloudWatch, APIs, VPC reachability analyzer, Network Watcher etc.

• Leaf-Spine Architectures across Cisco and Arista Platforms

• Ansible, Python, Terraform, Github and Jira expertise along with network knowledge on various protocols like BGP/OSPF etc.

Required Experience

• 8+ years of enterprise network engineering experience.

• Proven experience executing critical security patching and production network upgrades in large-scale environments.

• Strong experience supporting both internal infrastructure and internet-facing production services.

• Experience operating in financial services, trading, telecommunications, cloud, or other mission-critical environments.

• Demonstrated ability to perform complex maintenance and migration activities during scheduled change windows.

• Strong understanding of network resiliency, high availability, and disaster recovery principles.

Preferred Qualifications

• CCNP, CCIE, or equivalent industry certifications.

• Knowledge of network automation frameworks.

• Experience with large-scale global data center environments.

• Familiarity with agile delivery and DevOps methodologies.

Personal Attributes

• Strong ownership and accountability.

• Calm and decisive under pressure.

• Excellent troubleshooting and analytical skills.

• Strong communication and stakeholder management capabilities.

• Ability to operate effectively in fast-paced, highly dynamic production environments.

• Willingness to support weekend implementations, emergency changes, and critical incident response when required.
  

What Success Looks Like

• Timely rollout of critical patches with zero unplanned outages.

• Improved network reliability and security posture.

• Reduced operational risk through automation and standardization.

• Effective execution of large-scale infrastructure changes across global environments.

• Strong partnership with operations, security, and application teams to maintain resilient business services.