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Open nowFirst seen 11 hours ago

Senior Network Security Engineer

Vets Hired787 open roles

Where
Orange, Connecticut, United States
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Your applicationOpen nowSenior Network Security EngineerVets Hired · Orange, Connecticut, United States

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The clock on this job

Early applications get read.

11.5% of postings close within 7 days. Measured by our own scanner across the market.

Share of postings closed within
  1. 2.0%1 day
  2. 4.3%3 days
  3. 11.5%7 days
  4. 18.1%14 days
  5. 35.6%30 days
  6. 44.6%60 days
This job: first seen 11 hours ago

The posting

Job Summary

We are seeking a highly skilled Senior Network Security Engineer to secure, optimize, and modernize enterprise network infrastructure. This role focuses on advanced firewall security, SD-WAN optimization, routing protocols, cloud security, and zero-trust architectures. The ideal candidate brings deep hands-on expertise across multi-vendor security platforms and leads major network security initiatives, including firewall migrations and cloud security enhancements.

Key Responsibilities

Firewall & Network Security Engineering

  • Lead firewall migration initiatives, including policy conversion, optimization, and traffic validation.
  • Manage and maintain enterprise firewall environments across on-premises, cloud, and remote sites.
  • Design, optimize, and audit firewall rule sets to improve security posture, performance, and compliance.
  • Conduct regular risk assessments and security audits aligned with industry best practices.

SD-WAN & Routing Optimization

  • Design, manage, and optimize SD-WAN architectures for performance, resiliency, and global connectivity.
  • Implement traffic steering, failover, and WAN optimization strategies.
  • Configure and troubleshoot enterprise routing protocols including EIGRP, BGP, and OSPF.
  • Optimize routing policies for high availability and performance across hybrid networks.

Cloud & Zero-Trust Security

  • Administer cloud security access solutions for secure application access and web protection.
  • Implement zero-trust access policies for users and cloud workloads.
  • Troubleshoot cloud security tunnels, proxy configurations, and access workflows.

Threat Protection & Incident Response

  • Implement and maintain DDoS protection, IPS/IDS, and threat detection solutions.
  • Analyze security events, logs, and packet captures to diagnose and mitigate threats.
  • Collaborate with security operations teams and vendors on complex incident resolution.

Automation & Optimization

  • Develop scripts and automation frameworks to streamline firewall audits, policy updates, and network security operations.
  • Maintain accurate documentation of network security configurations, policies, and standards.
  • Continuously optimize security infrastructure to improve efficiency and performance.

Required Skills & Experience

  • 5–8 years of experience in network security engineering
  • Expertise with enterprise firewalls across multiple vendors
  • Strong knowledge of SD-WAN technologies and architectures
  • Hands-on experience with EIGRP, BGP, and OSPF routing protocols
  • Experience with cloud security access platforms and zero-trust solutions
  • Advanced knowledge of VPN technologies and NAT design
  • Experience with DDoS mitigation and intrusion detection/prevention systems
  • Strong troubleshooting skills using logs, packet analysis, and security monitoring tools

Preferred Qualifications

  • Industry security and networking certifications
  • Experience securing cloud environments across major platforms
  • Familiarity with SIEM and security monitoring tools
  • Experience with infrastructure automation and scripting tools
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