Senior Firewall Engineer Jobs in Basking Ridge, NJ

Description

• 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:
  • Firewalls
  • IDS/IPS platforms
  • Proxy technologies
  • Remote access solutions
  • Network Access Control (NAC)
  • Network segmentation
• Support large-scale production network security environments with focus on:
  • Stability
  • Security
  • Operational resiliency
  • Scalability
  • Performance optimization
• Enforce network security standards, policies, and baseline configurations across enterprise environments
• Lead and support automation initiatives utilizing:
  • Infrastructure as Code (IaC)
  • CI/CD pipelines
  • Configuration management
  • DevSecOps methodologies
• Develop automation solutions using tools such as:
  • Python
  • Ansible
  • Terraform
• 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 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 Skills Network 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

“Cleo Consulting is an equal opportunity employer (Minorities/Women/Veterans/Disabled)”