Demo

Network Security Engineer

Kimley-Horn
Orange, CA Full Time
POSTED ON 4/8/2026
AVAILABLE BEFORE 5/16/2026
Overview

Kimley-Horn, one of Fortune Magazine’s “100 Best Companies to Work For,” is looking for a Network Security Engineer to join the Information Security team in our Phoenix, AZ office. As a member of Kimley-Horn ’ s Information Security team , you will play a critical role in ensuring the security of our organization's network infrastructure.

This is not a remote position.

Responsibilities

  • Participate in advanced security policy decisions including firewall and SASE logic reviews to improve user experience and security posture
  • Partner with vendors and internal partners to design and optimize network security solution s
  • Implement and maintain robust network security measures, including firewalls, VPNs and intrusion detection/prevention systems
  • Troubleshoot complex cloud infrastructure issues involving networking and security.
  • Create, review, and maintain firewall rules across multiple environments.
  • Collaborate with Network Operations and Cloud teams to provide technical guidance and support.
  • Monitor, analyze, and resolve network performance issues, including utilization , throughput, latency, and system slowness.
  • Analyze, plan, and implement access control lists (ACL), firewall policies, and other logical security controls in a multi-vendor security stack
  • Reviewing, updating, and managing Web Application Firewalls
  • Participate in system upgrades and enhancements
  • Provide guidance and training to staff on network security
  • Support after-hours maintenance for outages and critical upgrades

Qualifications

  • Bachelor’s degree in information security, cybersecurity, or a related field
  • 4 years of experience in Network Security or a similar role within an enterprise-level organization
  • P rofessional IT certifications relating to IT Security or Network ing , such as Security /Network , CCNP Security , AZ-700/ AZ-500, Certified Information Systems Security Professional (CISSP), or other relevant security certifications.
  • Experience with application-based traffic and firewall design (internal/perimeter/external)
  • Hands on experience with administrating Palo Alto firewalls and Panorama
  • Experience managing and troubleshooting Web Application Firewalls
  • Hands on experience with Cisco ISE
  • Excellent problem-solving skills and the ability to think critically under pressure
  • Experience with change-management policies and procedures
  • Strong communication skills, both written and verbal, with the ability to convey complex technical concepts to non-technical stakeholders

Desired Skills

  • Strong knowledge of Threat Protection, URL filtering, TLS decryption, and PCAPS
  • Familiarity with cloud network security concepts and best practices for securing cloud environments (AWS, Azure).
  • Knowledge of core network services (DNS, DHCP, IP Routing ) 
  • Knowledge of web standards relating to APIs (OAuth, SSL, CORS, JWT, etc.)
  • Strong problem-solving skills with the ability to troubleshoot complex cloud networking infrastructure
  • Proven experience with SD-WAN platforms and technologies
  • Knowledge of the MITRE ATT&CK framework or NIST Cyber Security Framework (CSF)

Salary Range: $90,000 - $100,000

Applicants must be legally authorized to work for Kimley-Horn in the U.S. without employer sponsorship. We do not typically sponsor H1-B or any other work visa petitions.

Salary : $90,000 - $100,000

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