Network Security Engineer

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.

• Participate in advanced security policy decisions includingfirewalland SASE logic reviews to improve user experience and security posture
• Partner with vendors and internal partners to design and optimizenetworksecurity solutions
• Implement andmaintainrobust network security measures, including firewalls,VPNsand intrusion detection/prevention systems
• Troubleshoot complex cloud infrastructure issues involving networking and security.
• Create, review, andmaintainfirewallrules across multiple environments.
• Collaborate with
  
  Network
  
  Operations and Cloud teams toprovidetechnical guidance and support.
• Monitor, analyze, and resolve network performance issues, includingutilization, throughput, latency, and system slowness.
• Analyze, plan, and implement access control lists (ACL),firewallpolicies, 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

• Bachelor’s degree in information security, cybersecurity, or a related field
• 4+ years of experience in Network Securityor a similar role within an enterprise-level organization
• Professional IT certifications relating to IT Security or Networking, such as Security+/Network+,CCNPSecurity,AZ-700/AZ-500, Certified Information Systems Security Professional (CISSP), or other relevant security certifications.
• Experience with application-based traffic andfirewalldesign (internal/perimeter/external)
• Hands on experience withadministrating Palo Alto firewallsand 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

• Strong knowledge of Threat Protection, URL filtering, TLS decryption, and PCAPS
• Familiarity with cloudnetworksecurity 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)

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.

Share this job with a friend ()

Share on social media

Applications are being accepted on an ongoing basis; however, this job posting may close at any time after a minimum of 3 days of being posted.

Please

CLICK HERE () to learn more about the potential Benefits you may be eligible to receive with this role.

If you require an accommodation, please

CLICK HERE. ()

Equal Opportunity Employer/Protected Veterans/Individuals with Disabilities

Posted Date 3 days ago (1/5/2026 7:47 AM)

Education Bachelor's Degree

Discipline/Focus Information Technology