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
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Lead firewall migration initiatives, including policy conversion, optimization, and traffic validation.
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Manage and maintain enterprise firewall environments across on-premises, cloud, and remote sites.
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Design, optimize, and audit firewall rule sets to improve security posture, performance, and compliance.
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Conduct regular risk assessments and security audits aligned with industry best practices.
SD-WAN & Routing Optimization
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Design, manage, and optimize SD-WAN architectures for performance, resiliency, and global connectivity.
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Implement traffic steering, failover, and WAN optimization strategies.
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Configure and troubleshoot enterprise routing protocols including EIGRP, BGP, and OSPF.
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Optimize routing policies for high availability and performance across hybrid networks.
Cloud & Zero-Trust Security
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Administer cloud security access solutions for secure application access and web protection.
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Implement zero-trust access policies for users and cloud workloads.
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Troubleshoot cloud security tunnels, proxy configurations, and access workflows.
Threat Protection & Incident Response
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Implement and maintain DDoS protection, IPS/IDS, and threat detection solutions.
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Analyze security events, logs, and packet captures to diagnose and mitigate threats.
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Collaborate with security operations teams and vendors on complex incident resolution.
Automation & Optimization
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Develop scripts and automation frameworks to streamline firewall audits, policy updates, and network security operations.
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Maintain accurate documentation of network security configurations, policies, and standards.
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Continuously optimize security infrastructure to improve efficiency and performance.
Required Skills & Experience
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5–8 years of experience in network security engineering
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Expertise with enterprise firewalls across multiple vendors
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Strong knowledge of SD-WAN technologies and architectures
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Hands-on experience with EIGRP, BGP, and OSPF routing protocols
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Experience with cloud security access platforms and zero-trust solutions
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Advanced knowledge of VPN technologies and NAT design
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Experience with DDoS mitigation and intrusion detection/prevention systems
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Strong troubleshooting skills using logs, packet analysis, and security monitoring tools
Preferred Qualifications
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Industry security and networking certifications
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Experience securing cloud environments across major platforms
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Familiarity with SIEM and security monitoring tools
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Experience with infrastructure automation and scripting tools