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Sr. Network Security Engineer Lead (Palo Alto)

Dolphin Solutions IncHouston, TX🇺🇸United StatesPosted 31 Aug 2026

Why This Role Stands Out

This role offers a fantastic opportunity to lead network security initiatives and grow your expertise with Palo Alto technologies within a reputable company. You'll thrive here if you're a skilled network security engineer eager to design and implement robust solutions, so seize this chance to advance your career.

Quick Overview

Seniority
Mid Senior
Work mode
On Site
Location
Houston, TX, United States
Posted
1 week ago
Load BalancingTCP/IPAnsibleBashDNSPKIPython

Job Description

Requirement for Sr. Network Security Engineer Lead (Palo Alto)

Location: Little Rock, AR / Houston, TX (3 days/week onsite)

Duration: Long-term

 

Description:

Client is Seeking a highly skilled Senior Lead 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.
  • Manage and support enterprise certificate lifecycle processes, including certificate issuance, renewal, revocation, and compliance monitoring, preferably using Venafi.
  • 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, network diagrams, and certificate management processes.
  • Oncall rotation one week, every 5 weeks. Oncall schedule: Monday 7AM to Monday 7AM.
  • Weekend support as needed for weekend deployments.


Required Skills:

  • 10+ years of experience in Network Security Engineering.
  • 7+ years of strong experience in Palo Alto Firewall administration.
  • Hands-on experience with certificate management is required; experience with Venafi is preferred.
  • Experience managing digital certificates, PKI infrastructure, certificate lifecycle management, and certificate-related security controls.
  • 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.
  • Strong proficiency in scripting (Python, Bash) and automation (Ansible)
  • Experience with change management and ITIL-based processes.
  • Strong troubleshooting and analytical skills.
  • Any experience with AI will be a huge plus.
  • 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.

 

Best Regards, 

 

Krishna Balmoor, 

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