Network & Security Infrastructure Engineer

Virtual Tech Gurus; Whippany (NJ); Hybrid; USD 120,000 - 170,000; Full time

Job summary

Virtual Tech Gurus in New Jersey seeks an experienced network engineer to build and maintain the infrastructure powering customer-facing banking applications. You will manage load balancers, DNS, firewalls, and routing to ensure reliability, security, and uptime, collaborating with a global support team across the US, India, and the UK.

The role requires hands-on routing expertise (BGP/OSPF), F5 and GTM experience, and strong incident-response capabilities with late-evening change windows.

Qualifications

• Experience supporting customer-facing production banking or financial services environments.
• Ability to work in incident-response/on-call with late-evening change windows.
• Strong communication with global teams (US/India/UK).

Responsibilities

• Build, deploy, and maintain load balancer, DNS, firewall, and routing infrastructure supporting customer-facing applications.
• Monitor infrastructure and system performance; identify, troubleshoot, and resolve issues to reduce MTTR.
• Manage SSL/TLS certificate lifecycle across load balancing platforms.
• Support change implementation during defined change windows (typically starting at 10 PM).
• Collaborate with a global support model, coordinating handoffs with the India-based team for changes falling outside US working hours (generally after midnight).
• Partner with cross-functional teams, architects, and business stakeholders to align infrastructure work with business needs.
• Apply automation and scripting where possible to reduce manual intervention.
• Maintain security best practices across firewall and network configurations.

Skills

Routing (BGP/OSPF)

Load Balancing

SSL/TLS Cert Management

Global Collaboration

Automation/Scripting

Security Best Practices

Incident-Response

Tools

F5

GTM

Cisco ASA

Fortigate

Job description

Summary

This role supports a high volume of customer-facing applications (balance inquiries, account activity, and related services) through a dedicated service chain. The engineer will build, maintain, and secure the network and infrastructure layer underpinning these services, ensuring reliability, availability, and security, and will work in close coordination with a global support team spanning the US, India, and UK.

Required Technical Skillset

1. Routing (Foundational – Required)

• Deep, hands-on expertise in BGP and OSPF (used together in this environment)
• Strong understanding of enterprise routing design and troubleshooting

2. Load Balancing & Certificate Management

• F5 load balancers – configuration and troubleshooting
• VIP setup and SSL/TLS certificate handling
• GTM (Global Traffic Manager) experience

3. Firewalls

• Cisco ASA – configuration and support
• Fortigate – configuration and support
• (Note: Checkpoint firewalls are no longer in the environment; not required)

Key Responsibilities

• Build, deploy, and maintain load balancer, DNS, firewall, and routing infrastructure supporting customer-facing applications
• Monitor infrastructure and system performance; identify, troubleshoot, and resolve issues to reduce mean time to resolution
• Manage SSL/TLS certificate lifecycle across load balancing platforms
• Support change implementation during defined change windows (typically starting at 10 PM)
• Collaborate with a global support model, coordinating handoffs with the India-based team for changes falling outside US working hours (generally after midnight)
• Partner with cross-functional teams, architects, and business stakeholders to align infrastructure work with business needs
• Apply automation and scripting where possible to reduce manual intervention
• Maintain security best practices across firewall and network configurations

Ideal Candidate Profile

• Prior experience supporting a customer-facing, production banking or financial services environment
• Comfortable working within an incident-response/on-call-adjacent model with late-evening change windows
• Able to work independently and communicate effectively with global (US/India/UK) team members
• Strong troubleshooting instincts – able to "figure things out on the spot" under production pressure

JOBID: 12393