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# Network Engineer

- **Company:** De Corp.
- **Location:** Stratford, CT, United States
- **Contract:** Temporary contract
- **Skills:** Border Gateway Protocol, Cisco PIX, Enhanced Interior Gateway Routing Protocol, Network Security, Network Troubleshooting, Network Layer, Routing, Open Shortest Path First (OSPF), Remote Service Software, Virtual Local Area Networks, Software Vulnerability Management, Network Access Control, Firewalls (Computer Science), SC Clearance, Palo Alto Networks, Fortinet, Firewall Services Module
- **Published:** September 26, 2026
- **Apply:** https://computerjobs.com/us/en/mob/job/12F37601869A0B35D8

## About the Role

Active SC Clearance
. Firewall design, installation and configuration
. Running and maintaining secure network configurations
. Working with secure network devices and firewalls, from Palo Alto, ASA Firewalls, to FortiGATE Firewalls

Please be aware that this role can only be worked within the UK and not Overseas.

Disability Confident

As a Disability Confident employer, NCA encourage applications from disabled and neurodivergent candidates. Applications from candidates who identify as having a disability and meet the essential criteria for the role will be prioritised for review. Where application volumes are high, additional role-specific and desirable criteria may be applied as part of the shortlisting process which may include holding active security clearance.

## Description

Design, implement, and maintain secure network infrastructure solutions that meet business and operational requirements.
. Configure, support, and optimise enterprise Firewall environments, including Palo Alto, Cisco ASA, and FortiGate technologies.
. Manage and maintain secure network configurations, ensuring compliance with security standards and best practices.
. Configure and troubleshoot VLANs, Port-Channels, and Layer 3 routing protocols including RIP, EIGRP, OSPF, and BGP.
. Perform infrastructure security hardening activities, including patching, upgrades, vulnerability remediation, and system enhancements.
. Create, implement, and maintain network access control policies and Firewall rules, while using remote support tools to diagnose, troubleshoot, and resolve network issues.

PLEASE NOTE: SC Clearance is an essential requirement for this role, as a minimum you must be willing & eligible to undergo checks. Please note, due to the exceptional requirements of this position (short-term nature of this role and speed at which we require a postholder in situ) preference may be given to candidates who meet all of the essential criteria and hold active security clearance.


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