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# Sr. Network Security Engineer

- **Company:** Realign Llc
- **Location:** Irving, TX, United States
- **Experience:** Expert
- **Salary:** $130,000.0
- **Contract:** Permanent contract
- **Skills:** Secure Shell (SSH), Microsoft Access, Amazon Web Services, Application Firewall, Microsoft Azure, Border Gateway Protocol, Cloud Computing, Cloud Computing Security, Complex Networks, Cyber Security, Computer Networks, System Configuration, Network Address Translation, Domain Name System (DNS), Internet Protocol Security (IP SEC), Intrusion Detection and Prevention, Subnetting, Virtual Private Networks (VPN), Network Security, Lightweight Directory Access Protocols (LDAP), Log Analysis, Network File Systems, Routing, Packet Analyzer, Network Time Protocols, Open Shortest Path First (OSPF), Remote Access Technology, Security Information and Event Management, Systems Integration, TCP/IP, Telnet, Virtual Local Area Networks, File Transfer Protocol (FTP), Computer Network Technologies, System Availability, Firewalls (Computer Science), Palo Alto Networks, Firewall Services Module, Splunk
- **Published:** October 13, 2026
- **Apply:** https://www.indeed.com/viewjob?jk=25d84fc53751edf4

## About the Role

Must Have Technical/Functional Skills

 * Experienced Network Security Engineer with strong expertise in Palo Alto Networks firewall administration, security policy management, threat prevention, VPN technologies, and enterprise network security operations.
 * Strong understanding of network and security protocols including SSL/TLS, TCP/UDP, HTTP, FTP/SFTP, NTP, Telnet, NFS, SSH, LDAP and DNS etc.
 * Proficient in configuring and managing Next-Generation Firewalls (NGFWs), including App-ID, User-ID, Content-ID, NAT, routing, and access control.
 * Hands-on experience with IPSec VPNs, High Availability (HA) deployments, and Panorama for centralized firewall management.
 * Possesses a solid foundation in networking technologies, including TCP/IP, VLANs, subnetting, routing protocols (BGP, OSPF, RIP), Policy-Based Forwarding (PBF), and ECMP
 * Skilled in cloud security integrations involving Prisma Access, AWS, Azure, and Cloud NGFW deployments.
 * Experienced in security monitoring, log analysis, SIEM integrations (Splunk, Sentinel), and advanced troubleshooting using packet captures, traffic flow analysis, CLI diagnostics, and ACC.
 * Demonstrates strong analytical, problem-solving, and operational skills in securing enterprise environments, optimizing firewall policies, troubleshooting complex network issues, and ensuring high availability and business continuity.

## Description

* Serve as primary support lead for security environment by managing customer devices and end-to-end security services, identifying sources of problems, and resolving configuration issues.
 * Deep understanding of Firewall technologies.
 * Configuring and installing security infrastructure devices.
 * Reporting the security analysis and monitoring findings.
 * Using industry-standard analysis criteria to test the security level of the firm.
 * Responsible to identify threats, vulnerabilities etc & take appropriate actions
 * Consults about network performance, throughput, protocols, network security, and infrastructure technology changes.
 * Defining and maintaining security policies.
 * Occasionally replacing the security system protocol and architecture.