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.

Responsibilities

• 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 withNetworkOperations 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

Qualifications

• Bachelor’s degree in information security, cybersecurity, or a related field
• 4+ years of experiencein NetworkSecurityor a similar role within an enterprise-level organization
• Professional IT certifications relating to IT Security orNetworking, such asSecurity+/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 communicationskills, 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 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.

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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.

PleaseCLICK HERE (https://www.kimley-horn.com/careers/benefits/at-a-glance/) to learn more about the potential Benefits you may be eligible to receive with this role.

If you require an accommodation, pleaseCLICK HERE. (https://www.kimley-horn.com/careers/ada-accommodation-request/)

Equal Opportunity Employer/Protected Veterans/Individuals with Disabilities

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

ID 2026-21667

Education Bachelor's Degree

Discipline/Focus Information Technology