Network & Security Infrastructure Engineer

IS3 SolutionsWhippany, NJ

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Overview

Remote

On-site

Job Description

Network & Security Infrastructure Engineer

The Role

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

The role is built around three core technology pillars.

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

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FAQs About Network & Security Infrastructure Engineer Jobs at IS3 Solutions

What is the work location for this position at IS3 Solutions?

This job at IS3 Solutions is located in Whippany, NJ, according to the details provided by the employer. Some roles may also include multiple work locations depending on the requirement.

What pay range can candidates expect for this role at IS3 Solutions?

Employer has not shared pay details for this role.

What employment applies to this position at IS3 Solutions?

The employer has not provided this information. This may be discussed during the hiring process.

What is the process to apply for this position at IS3 Solutions?

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