> Markdown version of [/jobs/ext/2083634-network-security-engineer](https://www.wearedevelopers.com/jobs/ext/2083634-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).

---

# Network Security Engineer

- **Company:** Siri InfoSolutions Inc
- **Location:** Erie, PA, United States
- **Contract:** Permanent contract
- **Skills:** Cloud Computing, Cyber Security, Data Centers, Network Address Translation, Failover, Internet Protocol Security (IP SEC), Intrusion Detection Systems, Virtual Private Networks (VPN), Network Security, Network Architecture, Network Diagrams, Routing, Network Segmentation, Packet Analyzer, Remote Access Technology, Wireshark, Diagnostic Tools, Malware, Firewalls (Computer Science), Firepower, Firewall Services Module, Cisco
- **Published:** August 16, 2026
- **Apply:** https://www.careerjet.com/jobad/usc1a52d789c5d8b721fc747a6f5821cdb

## About the Role

We are seeking an experienced Network Security / Firewall Engineer to design, implement, operate, and troubleshoot enterprise network security infrastructure. The ideal candidate will have strong hands-on experience with Cisco Firepower Threat Defense (FTD/FMC) or comparable next-generation firewall platforms, along with solid knowledge of enterprise routing, VPN technologies, network segmentation, cloud networking, and security best practices.
This is a hands-on engineering role requiring strong troubleshooting skills and the ability to work across network, security, cloud, application, and infrastructure teams.

## Description

Configure, manage, maintain, and troubleshoot enterprise next-generation firewall environments.
Administer Cisco FTD firewalls using Firepower Management Center (FMC).
Create and maintain firewall access-control policies, network/service objects, security zones, and NAT policies.
Design, configure, and troubleshoot site-to-site IPsec VPNs and remote-access VPN solutions.
Troubleshoot complex application connectivity issues across firewalls and network infrastructure.
Perform packet-level troubleshooting using packet captures, Wireshark, firewall connection/session tables, logs, and platform-specific diagnostic tools.
Configure and troubleshoot NAT/PAT, static NAT, source NAT, destination NAT, and NAT exemptions.
Support firewall high-availability architectures and perform failover testing.
Participate in firewall upgrades, migrations, hardware refreshes, and lifecycle-management activities.
Review firewall policies and identify obsolete, redundant, overly permissive, or unused rules and objects.
Support network segmentation and security-zone architecture.
Configure and troubleshoot web/URL filtering, IPS/IDS, application control, malware protection, and other NGFW security capabilities.
Support security infrastructure across on-premises data centers, branch locations, Internet edge, and cloud environments.
Participate in incident response and root-cause analysis for network and security incidents.
Create and maintain network diagrams, firewall documentation, operational procedures, implementation plans, and troubleshooting runbooks.
Participate in change-management processes, including planning, peer review, implementation, validation, and rollback procedures., Company : Allegheny Health Network Job Description : GENERAL OVERVIEW: Monitors, maintains and repairs the campus boiler system and associated plant equipment; also supervise…

 + 1 month ago
+


## Related Videos

- [How Cisco embraced a DevOps culture within its network engineering team](https://www.wearedevelopers.com/videos/99-how-cisco-embraced-a-devops-culture-within-its-network-engineering-team)
- [What makes Cybersecurity different for critical infrastructure?](https://www.wearedevelopers.com/videos/571-what-makes-cybersecurity-different-for-critical-infrastructure)
- [Creating a routing app with Google Maps API from scratch](https://www.wearedevelopers.com/videos/831-creating-a-routing-app-with-google-maps-api-from-scratch)
- [Enhancing Workload Security in Kubernetes](https://www.wearedevelopers.com/videos/356-enhancing-workload-security-in-kubernetes)
- [Cyber Sleuth: Finding Hidden Connections in Cyber Data](https://www.wearedevelopers.com/videos/893-cyber-sleuth-finding-hidden-connections-in-cyber-data)
- [Computer Vision from the Edge to the Cloud done easy](https://www.wearedevelopers.com/videos/263-computer-vision-from-the-edge-to-the-cloud-done-easy)

## Related Articles

- [Best Paying Jobs in Technology](https://www.wearedevelopers.com/magazine/256-best-paying-jobs-in-technology)
- [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs)
- [9 Ways to Make Money Hacking](https://www.wearedevelopers.com/magazine/333-9-ways-to-make-money-hacking)
- [Software Engineer Career: Things You Should Know](https://www.wearedevelopers.com/magazine/143-software-engineer-career-things-you-should-know)
- [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers)
- [Top-Paying Tech Jobs (with Salaries)](https://www.wearedevelopers.com/magazine/372-top-paying-tech-jobs-with-salaries)