Network Security Engineer

Hello, Duration:

12+

Months Location:

Whippany, NJ (Hybrid on site 2-3/days a week)

Job Description:

Senior Network Security Engineer About the Role We are seeking a Senior Network Security Engineer to help lead the transformation and modernization of large-scale enterprise network security infrastructure within a highly complex global environment. This role is responsible for designing, implementing, and operating advanced network security controls that protect critical systems, users, and enterprise services against evolving cyber threats. This position operates within a modern product-centric engineering model focused on infrastructure resiliency, automation, operational excellence, and secure connectivity at scale. The ideal candidate brings strong hands-on expertise across enterprise network security, automation, zero trust architecture, and production operations within large, mission-critical environments. The engineer will collaborate closely with infrastructure, cloud, operations, and cybersecurity teams to deliver scalable, secure, and highly available network security solutions supporting enterprise connectivity worldwide. Key Responsibilities Design, implement, and manage enterprise network security solutions including: Partner with infrastructure, cloud, security, and operations teams to design and deploy integrated security solutions Execute complex production changes within structured change management and governance frameworks Support incident response, production troubleshooting, and root cause analysis for critical network security events Maintain operational documentation, runbooks, standards, diagrams, and compliance reporting Assist with monitoring, alerting, operational metrics, and continuous service improvement initiatives Participate in architecture discussions focused on zero trust, secure access, segmentation, and enterprise security modernization Required Qualifications Bachelor''''s degree in Computer Science, Information Security, or related discipline 8+ years of experience in network security engineering, architecture, or 8+ production operations roles Strong hands-on experience supporting enterprise-scale security infrastructure in complex environments Experience managing and troubleshooting: Firewalls IDS/IPS Secure remote access Proxy technologies NAC solutions Segmentation platforms Experience with automation, CI/CD pipelines, and Infrastructure as Code (IaC) Strong understanding of: Risk management Incident response Security governance Regulatory and compliance frameworks Required Technical SkillsNetwork Security Deep expertise with: Firewall technologies IDS/IPS platforms Secure segmentation Proxy solutions Remote access technologies Zero trust network architecture Automation & DevSecOps Hands-on experience with: Python Ansible Terraform CI/CD pipelines Configuration management frameworks Security Architecture Strong understanding of: Zero trust principles Secure enterprise network design Cloud-connected security models Enterprise compliance frameworks such as:

ISO 27001 PCI DSS

Operations & Incident Management Experience supporting critical production environments Strong troubleshooting and root cause analysis capabilities Experience responding to high-severity incidents and enterprise escalations Communication & Leadership Strong written and verbal communication skills Ability to collaborate effectively across engineering, operations, infrastructure, cloud, and security teams Ability to lead initiatives and execute effectively within fast-paced enterprise environments Preferred Qualifications

CISSP, CCNP

Security, AWS Security, Azure Security, or equivalent certifications Experience with SIEM and observability platforms Exposure to vulnerability management programs Experience operating within highly regulated enterprise environments Knowledge of enterprise monitoring and telemetry platforms Experience with large-scale global infrastructure environments

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Regards, Manoj Kumar, Senior Recruiting Manager Data Systems Integration Group, INC Email:

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