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 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)

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.
Why Kimley-Horn?
At Kimley-Horn, we do things differently. People, clients, and employees are at the forefront of who we are. Clients know we prioritize achieving their goals and growing their success. Employees know our culture and approach to business are built on a desire to provide an environment for everyone to flourish. Our commitment to quality is only as good as the people behind it— that’s why we welcome and develop passionate, hardworking, and proactive employees. We take pride in how our employee retention, robust benefits package, and company values have led to Kimley-Horn’s placement on the Fortune “100 Best Companies to Work” list for 19 years!
Key Benefits at Kimley-Horn

• Exceptional Retirement Plan: 2-to1- company match on up to 4% of eligible compensation (salary + bonus) and additional profit-sharing contribution.
• Comprehensive Health Coverage: Low-cost medical, dental, and vision insurance options.
• Time Off: Personal leave, flexible scheduling, floating holidays, and half-day Fridays.
• Financial Wellness: Student loan matching in our 401(k), and performance-based bonuses.
• Professional Development: Tuition reimbursement and extensive internal training programs.
• Family-Friendly Benefits: New Parent Leave, family building benefits, and childcare resources.