> Markdown version of [/jobs/ext/4564013-network-security-engineer](https://www.wearedevelopers.com/jobs/ext/4564013-network-security-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Network Security Engineer - **Company:** Sriven Systems Inc. - **Location:** Dallas, TX, United States - **Experience:** Expert - **Contract:** Contract - **Skills:** Application Firewall, Border Gateway Protocol, Computer Networks, System Configuration, Virtual Private Networks (VPN), Network Security, Network Troubleshooting, Routing, Packet Analyzer, Remote Access Technology, Diagnostic Tools, Palo Alto Networks, Firewall Services Module - **Published:** November 4, 2026 - **Apply:** https://www.dice.com/job-detail/1259f4d4-9fe9-4c12-8443-87695023c5ff ## About the Role · 5-7+ years of experience in Network Security Engineering or Firewall Administration. · Strong hands-on experience administering and configuring Palo Alto Networks firewalls. · Experience with firewall security policies, rule creation, modification, review, and maintenance. · Practical experience with VPN technologies and VPN connectivity troubleshooting. · Strong networking fundamentals, including routing and BGP troubleshooting. · Experience analyzing network traffic using packet captures and network traces. · Familiarity with firewall logs and network troubleshooting methodologies. · Understanding of structured change management, documentation, and peer-review processes. · Strong communication and collaboration skills. ## Description · Administer and maintain Palo Alto firewalls, including security policy configuration, rule creation, updates, upgrades, and troubleshooting. · Review existing firewall rules to ensure accuracy, business justification, and compliance with security requirements. · Identify and recommend opportunities to remove outdated rules and optimize firewall policies. · Follow established change management processes, including validation, documentation, approvals, and peer reviews. · Manage and troubleshoot VPN connectivity and firewall-related network issues. · Analyze network traffic using packet captures, network traces, firewall logs, and diagnostic tools. · Support routing-related investigations, including Border Gateway Protocol (BGP). · Collaborate with network, security, and operations teams to resolve technical issues. · Maintain operational documentation, change records, and knowledge-transfer materials. · Support firewall operational improvements and secure network infrastructure practices.