Information Technology Specialist II - Senior Firewall Engineer

City of Irvine, CA • Irvine, CA

70d

About The Position

This recruitment is open on a continuous basis until filled and will establish an eligibility list that will expire on November 12, 2026. This is a continuous recruitment and interested applicants should submit their application as soon as possible. This recruitment may close at any time without notice. The Information Technology Team at the City of Irvine is seeking a skilled Information Technology Specialist II - Senior Firewall Engineer to join a cross-functional team dedicated to maintaining a secure and high-performance firewall infrastructure. This role involves managing enterprise-grade firewalls, monitoring and responding to security incidents, and staying up to date on firewall policies. The ideal candidate will have expertise in Palo Alto Networks and in-depth knowledge of network protocols, Public Key Infrastructure, and cloud-based firewall security.

Requirements

• Bachelor degree in Computer Science or closely related field.
• Five (5) years of information technology experience, with one of those years acting in a lead or expert capacity.

Nice To Haves

• Expert knowledge of Palo Alto Networks firewalls, including but not limited to Panorama, Prisma Access, GlobalProtect VPN, and Threat Prevention.
• Strong understanding of firewall rule management, security zones, NAT, and application-layer filtering.
• In-depth knowledge of network protocols and Public Key Infrastructure.
• Knowledge of cloud-based firewall security, including Palo Alto Prisma Access, AWS/Azure firewalls, and hybrid cloud environments.
• Strong analytical and problem-solving skills to assess firewall risks and implement effective solutions.
• Ability to collaborate with cross-functional teams, including network engineers, security analysts, cloud architects, and application engineers.
• Excellent verbal and written communication skills for documenting firewall policies, writing reports, and presenting security recommendations.
• Oversee security projects from initiation to closure, ensuring alignment with organizational goals, risk management strategies, and compliance requirements.

Responsibilities

• Manage enterprise-grade firewalls across on-premises, cloud, and hybrid environments.
• Develop and maintain firewall rules, policies, and configurations to ensure optimal security and performance.
• Monitor firewall logs, alerts, and threat intelligence feeds to detect and respond to security incidents.
• Define and enforce security policies related to access control, segmentation, VPN, and intrusion prevention.
• Continuously review and optimize firewall policies to align with industry best practices and regulatory requirements (e.g., NIST, CIS, CJIS).
• Work with the SOC team to investigate and remediate security events involving firewall traffic.
• Participate in an On-Call rotation and may involve evening and weekend support as needed.
• Ensure firewall infrastructure maintains high availability and performance.
• Work closely with infrastructure and application teams to ensure secure connectivity and application security.
• Stay updated on the latest firewall technologies, AI technologies, zero-trust network architectures, and evolving cyber threats.

What This Job Offers

• Industry: Executive, Legislative, and Other General Government Support
• Education Level: Bachelor's degree
• Number of Employees: 501-1,000 employees