Senior Network Security Engineer
Vets Hired
Job Description: 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
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.
- 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.
- 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.
- 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.
- 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.
- 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
- 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
Vacancy posted 2 days ago
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