Information Technology Specialist II - Senior Firewall Engineer
Recruitment Note – Continuous open until filled. Eligibility list expires on November 12, 2026 . Submit applications promptly; the position may close at any time without notice.
Your Impact
- 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).
- Collaborate with the SOC team to investigate and remediate security events involving firewall traffic.
- Participate in an on-call rotation; may involve evening and weekend support as needed.
- Ensure firewall infrastructure maintains high availability and performance.
- Work closely with infrastructure and application teams to secure connectivity and application security.
- Stay updated on the latest firewall technologies, AI technologies, zero-trust network architectures, and evolving cyber threats.
Minimum Qualifications
Bachelor's degree in Computer Science or a closely related field.Five (5) years of information technology experience, with at least one year in a lead or expert capacity performing progressively responsible technical or analytical tasks within a functional area.Year(s) of experience equivalent in education and experience that provide comparable knowledge, skills, and abilities.Best Fit
Expert knowledge of Palo Alto Networks firewalls, including 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 (Palo Alto Prisma Access, AWS / Azure firewalls, hybrid cloud).Strong analytical and problem-solving skills.Collaborative mindset working with network engineers, security analysts, cloud architects, and application engineers.Excellent verbal and written communication skills for documenting policies, writing reports, and presenting security recommendations.Experience overseeing security projects from initiation to closure, ensuring alignment with organizational goals and compliance.Your Team
The City of Irvine's Information Technology team serves the community by maintaining secure and efficient technology services. Our mission is to create and sustain a safe, vibrant, and high-quality environment where residents can live, work, and play. We prioritize the values of Humility, Innovation, Empathy, Passion, and Integrity, and collaborate across departments (Administration, Fiscal Services, Budget and Strategic Planning, Purchasing, GIS) to achieve shared objectives.
Equal Opportunity Employer
The City of Irvine is an Equal Opportunity Employer and provides reasonable accommodations to qualified individuals with disabilities. We encourage you to inform Human Resources at least two business days prior to the first phase of the selection process if you have a disability that may require an accommodation.
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