> Markdown version of [/jobs/ext/2616817-remote-ot-network-security-engineer](https://www.wearedevelopers.com/jobs/ext/2616817-remote-ot-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).

---

# Remote OT Network Security Engineer

- **Company:** Insight Global
- **Location:** Erlanger, KY, United States
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Cisco PIX, Computer Networks, Virtual Private Networks (VPN), Network Security, Network Diagrams, Routing, Role-Based Access Control, Security Information and Event Management, Verification and Validation (Software), Data Logging, Firewalls (Computer Science), Operational Systems, Firepower, Cisco
- **Published:** August 16, 2026
- **Apply:** https://www.techcareers.com/job.asp?id=3356004356&tx=YT1313TTI&pt=1&aff=0B19D771-A501-4A5E-8338-2A822B784D54&utm_source=Job%20Feed&utm_medium=textkernel&utm_campaign=DE&utm_term=0B19D771-A501-4A5E-8338-2A822B784D54

## About the Role

7+ years of Network Engineering or Network Security Engineering experience.

Strong Operational Technology (OT) networking experience in manufacturing, industrial, or plant environments.

Hands-on experience with Cisco ASA and Cisco Firepower Threat Defense (FTD) firewalls.

Proven experience executing ASA-to-FTD firewall migration projects.

Strong understanding of

Firewall policy management

NAT

VPNs

Routing

Access Control Policies (ACP)

Security segmentation

Experience supporting IT/OT network communications and industrial cybersecurity initiatives.

Strong understanding of Security and Compliance including Principle

of Least Privilege

## Description

An employer is seeking a remote OT Network Contractor for a contract role supporting their OT Stabilization effort. The primary objective of this

engagement is to replace existing Cisco ASA firewalls with Cisco Firepower

Threat Defense (FTD) firewalls and establish or strengthen IT/OT segregation,

while ensuring compliance with company cybersecurity standards, OT security

requirements, and industry best practices.

Responsibilities will include

 * Cisco ASA to Cisco FTD migration implementation services.
 * Environment segregation in cases where no firewall currently exists in the

network.

 * Firewall design review and updated deployment documentation.
 * Updated network diagrams showing IT/OT segregation architecture.
 * Firewall policy review and optimization documentation.
 * Implementation of ADM standard firewall baseline configurations.
 * Verification and validation test results.
 * Logging and SIEM integration verification report.
 * Migration execution and cutover support.
 * Updated operational and support documentation.
 * Knowledge transfer documentation to BAU.
 * Project status updates and implementation reports.


## 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)
- [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)
- [Your Infrastructure Is Not a Playground: AI Agents for Infra Done Right](https://www.wearedevelopers.com/videos/2084-your-infrastructure-is-not-a-playground-ai-agents-for-infra-done-right)
- [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)
- [A Technical Introduction to Bitcoin's 2nd Layer- The Lightning Network](https://www.wearedevelopers.com/videos/15-a-technical-introduction-to-bitcoin-s-2nd-layer-the-lightning-network)
- [What makes Cybersecurity different for critical infrastructure?](https://www.wearedevelopers.com/videos/571-what-makes-cybersecurity-different-for-critical-infrastructure)

## Related Articles

- [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated)
- [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs)
- [Dev Digest 134 - Where pixels sing?](https://www.wearedevelopers.com/magazine/477-dev-digest-134-where-pixels-sing)
- [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers)
- [How We Built a Worry-Free System That Runs for 10+ Years – And What We’d Do Again](https://www.wearedevelopers.com/magazine/751-how-we-built-a-worry-free-system-that-runs-for-10-years-and-what-we-d-do-again)
- [Events like RSAC Get You CISOs. Developers Decide What Actually Gets Deployed.](https://www.wearedevelopers.com/magazine/693-events-like-rsac-get-you-cisos-developers-decide-what-actually-gets-deployed)