> Markdown version of [/jobs/ext/4407489-1117415-network-security-engineer](https://www.wearedevelopers.com/jobs/ext/4407489-1117415-network-security-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md).

---

# (1117415) Network Security Engineer

- **Company:** DIVERSIFIED INC
- **Location:** Dallas, TX, United States
- **Experience:** Expert
- **Salary:** $90,000.0 - $95,000.0
- **Contract:** Permanent contract
- **Skills:** Private Networks, Cyber Security, Network Security, Network Segmentation, Network Protocols, Release Management, Firewall Policy Management, Identity Services Engine, Network Access Control, Information Technology
- **Published:** October 20, 2026
- **Apply:** https://www.indeed.com/viewjob?jk=f3d33b82031f1dc0

## About the Role

* Bachelor's degree in Cybersecurity, Security Engineering/Architecture, Computer Science, or a related field, or equivalent experience.
 * 5-7 years of relevant experience.

Required Technical Skills

 * Working knowledge of cybersecurity network best practices.
 * Working knowledge of internal network management and data/traffic flows.
 * Solid knowledge of firewall management and network protocols.
 * Functional, hands-on experience with Cisco ISE.

Required Soft Skills

 * Advanced customer service skills.

## Description

The Network Security Engineer will join a team that delivers network security service offerings across a global enterprise environment. This role blends hands-on operational support with project work aimed at strengthening the organization's overall security posture, keeping critical services secure, reliable, and continuously improving., * Provide daily operational support and maintenance for the team's network and firewall policy service offerings and the products that deliver them.

 * Perform Network Access Control (NAC) governance activities using Cisco ISE.
 * Execute network improvement and risk reduction initiatives, including network segmentation, application protection, and hardware refresh projects.
 * Manage application protection and proxy policy activities.
 * Partner with internal process partners to troubleshoot and resolve technical issues across firewall, cloud policy, and other supported products.
 * Conduct testing and quality assurance for changes and new process deployments prior to production release.
 * Assist Product Owners in resolving technical matters and in implementing, maintaining, and supporting the technical and process elements of firewall policy, network posture, and the team's web-based portal.