Senior Network Security Engineer

Phoenix, Arizona, USA Temp to Hire
$ 67 - $ 72 per hour 03-02-2026 19:52:30 Job ID: 1448736_1772481150

About the Role

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**not open to relocation

Must Haves:

  • 7+ years’ experience as Network Security Engineer in an enterprise environment
  • Application-based traffic and firewall design (internal/perimeter/external)
  • Hands on experience with Palo Alto firewalls and Panorama
  • Professional IT certifications relating to IT Security or Networking (Security+/Network+, CCNP Security, AZ-700/AZ-500 or Certified Information Systems Security Professional (CISSP) etc.)

Pluses:

  • Cloud Security Experience (AWS or Azure)
  • Knowledge of the MITRE ATT&CK framework or NIST Cyber Security Framework (CSF)
  • SD-WAN platforms and technologies

Day to Day:

Kimley-Horn, one of Fortune Magazine’s “100 Best Companies to Work For,” is looking for a Senior 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 as the firm continues to scale.

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 solutions
  • 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

  • 7+ years of experience in Network Security or a similar role within an enterprise-level organization
  • Bachelor’s degree in information security, cybersecurity, or a related field
  • Professional IT certifications relating to IT Security or Networking, 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)

1448736_1772481150

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Beacon Hill is an Equal Opportunity Employer that values the strength diversity brings to the workplace. Individuals with Disabilities and Protected Veterans are encouraged to apply.

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