What are the responsibilities and job description for the Network Security Engineer position at ComTec Information Systems?
Title: Network Security (Palo Alto) Engineer
Location: Houston, TX (3 days/week onsite)
Seeking a highly skilled Senior Network Security Engineer with deep expertise in Palo Alto firewalls. The ideal candidate will be responsible for designing, implementing, maintaining, and troubleshooting enterprise firewall solutions in a large-scale network security environment.
Responsibilities:
- Design and implement Palo Alto firewall policies, NAT rules, VPN configurations, and security zones.
- Deploy, configure, and manage Palo Alto firewalls including policies, NAT, VPN, IPS, and threat prevention features.
- Demonstrate expertise in deploying, configuring, and managing Palo Alto firewall and VPN solutions across on-premises, cloud, and remote access environments, ensuring seamless integration and security
- Define, configure, and optimize firewall policies and rules
- Perform troubleshooting and root cause analysis for network security incidents and firewall-related issues.
- Manage security zones, access control policies, and URL filtering.
- Plan and execute firewall upgrades, patches, and migrations with minimal downtime.
- Monitor and respond to security events and incidents related to firewalls and network devices.
- Perform regular firewall rule reviews to optimize security and ensure compliance with security best practices while ensuring business continuity.
- Ensure security of routing protocols (BGP, OSPF), VLANs, and load balancing across the network.
- Involve in security audits, vulnerability assessments, and incident response to ensure network security compliance.
- Monitor network performance and proactively address bottlenecks, latency issues, and security breaches.
- Maintain detailed documentation for firewall configurations, security policies, and network diagrams
- Oncall rotation one week, every 5 weeks. Oncall schedule: Monday 7AM to Monday 7AM.
- Weekend support as needed for weekend deployments.
Required Skills:
- 5 years of experience in Network Security Engineering.
- 3 years of strong experience in Palo Alto Firewall
- Experience in log analysis, incident response, and security monitoring.
- Hands-on with VPNs (SSL/IPSec), NAT, IDS/IPS, Threat Prevention, and URL Filtering.
- In-depth knowledge of TCP/IP, routing, VLANs, NAT, VPN, IPS, IDS, and general network architecture.
- Understanding of network protocols (TCP/IP, BGP, OSPF, VLANs, DHCP, DNS, NAT, SNMP, IPsec, GRE, VXLAN).
- Must have excellent understanding of security architecture and integration
- Scripting experience using Power Shell or Python is a plus.
- Experience with change management and ITIL-based processes.
- Strong troubleshooting and analytical skills.
- Excellent communication and documentation skills.
- Able to participate in oncall rotation schedule. One week for every 5 weeks. Monday 7AM to Monday 7AM.
- Nice to have: Certifications such as PCNSE, PCNSA, CISSP, or CCNP.