Network Security Engineer

Firemon · posted Oct 30, 2026

Open to candidates in United States

Full-time · Mid-level

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What this job asks for

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Must have

  • •3+ years network design and support
  • •Cisco, Check Point, Juniper, Palo Alto expertise
  • •Networking and/or security expertise
  • •Packet trace and analysis experience
  • •Experience with network security tools
  • •Virtualization technologies experience

Tools and technologies

Cisco, Check Point, Juniper, Palo Alto, Regex

Read the full posting

FireMon delivers Network Security Policy Control for the Modern Enterprise.

Most enterprises run firewalls from multiple vendors alongside cloud security groups and microsegmentation platforms, and no single console can say whether it all works together. We believe policy is the control plane for network security: it defines what the environment should do, and the infrastructure carries it out. FireMon gives security teams one place to see, govern, and prove that their policy is doing what they intend, across on-prem, cloud, and hybrid environments .

The Network Security Engineer is responsible for Network Security software development, including collaborating on developing requirements, writing technical specifications, designing, coding, and working with a team on testing and deployment. This is a key, hands-on software development position that will work closely with other team members to develop new features and functions.

About the role:

  • Partner with Product Management, Development, and other Engineers to install and support firewall management solutions for internal research and development (R&D).
  • Provide technical expertise during the application development process to support products and solutions from various vendors, including firewalls, routers, switches, IPS, proxies, and more.
  • Build and maintain test labs, assist in software design, and provide technical assistance to developers.
  • Assist in testing software solutions.
  • Gather all the technical requirements for integrating with the security devices. This includes reading administrator guides, user guides, CLI guides, etc.
  • Learn the security device's inner workings and convert that logic into a structure that the application can use.
  • Work in conjunction with product managers, architects, and developers to schedule, architect, and design software integration with the security devices.
  • Setup, manage and maintain security devices in the test lab to provide support for R&D and integration testing.
  • Create and execute test cases to ensure proper code functionality within the application.
  • Serve as a support escalation point for complex support issues involving device integration.
  • Create internal KB documentation for known configurations to assist with support issues.

Required Skills and Experience:

  • Bachelor's Degree in Computer Science, Information Technology, Engineering or another related field of study or equivalent experience
  • 3 or more years of network design and support
  • Cisco, Check Point, Juniper, Palo Alto expertise
  • Expertise in the area of networking and/or security
  • Experience with packet trace and analysis techniques and tools
  • Experience with network security tools such as firewalls, IPS, routers, switches, proxies, etc.
  • Familiarity with virtualization technologies and platforms
  • Excellent interpersonal, communication, presentation, and writing skills
  • Outstanding problem-solving skills, including the ability to meet a business requirement with a technical solution
  • Must be willing to work in a fast-paced environment with multiple roles and demonstrate high emotional intelligence
  • Regex experience
  • Flexible and able to handle and prioritize multiple tasks
  • Possess a positive attitude and work well with others
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