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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Network Security Engineer - **Company:** CYNET SYSTEMS INC. - **Location:** United States - **Experience:** Experienced - **Contract:** Permanent contract - **Skills:** IEEE 802.1Q, Apple IOS, Border Gateway Protocol, Spanning Tree Protocols, Cisco IOS, Linux, Network Address Translation, Enhanced Interior Gateway Routing Protocol, Trunking, Intrusion Detection Systems, Network Layer, Network Monitoring, Routing, Open Shortest Path First (OSPF), VLAN Trunking Protocol (VTP), Break Fix, Firewalls (Computer Science), Juniper, Cisco - **Published:** September 17, 2026 - **Apply:** https://www.thejobnetwork.com/job/eb544318-cf2d-4e40-9489-c8041ec4686a/network-security-engineer ## About the Role * Ten plus (10+) years of experience in the networking environment, with a strong emphasis on network security. * Two to five (2-5) years of experience with Linux/UNIX operating systems. * Certified Security Engineer (e.g., CCSE or comparable certification). * Certified Technical Engineer (e.g., Cisco CCNP or comparable certification). * Comprehensive understanding of loop prevention protocols, including Spanning Tree Protocols. * Proficient in troubleshooting routing protocols such as EIGRP, OSPF, BGP, and RIP, including Network Address Translation (NAT). * In-depth knowledge of IOS and Catos operating systems, with hands-on troubleshooting experience. * Strong understanding of trunking protocols (VTP, 802.1Q, etc.) and various firewall deployment architectures. * Familiarity with the ITIL framework and service management principles. * Proven ability to follow and document deployment processes effectively. * Extensive experience with change request management systems. * Strong experience with network monitoring, management, and analysis tools. * Excellent analytical skills for evaluating and resolving complex security issues. * Strong verbal and written communication skills. * Ability to work effectively as part of a virtual global team within a matrix organization., * Checkpoint. * Firewall. * Paloalto. * Juniper. * Cisco. * IDS. ## Description * Implement firewall change requests and manage any related Layer 2/Layer 3 router changes. * Create and install Checkpoint objects for initial firewall policy configurations. * Build, configure, and manage firewall devices including Checkpoint, Juniper, and Cisco. * Build and configure proxies and Intrusion Detection Systems (IDS). * Provide advanced troubleshooting in security environments, including fault escalation and resolution of connectivity issues. * Liaise with carriers and vendors to coordinate installations, upgrades, and support. * Document deployment processes, security protocols, and change management activities. * Utilize network monitoring and management tools to ensure optimal performance and security compliance. ## 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) - [Docker network without Docker](https://www.wearedevelopers.com/videos/1418-docker-network-without-docker) - [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) - [Docker exec without Docker](https://www.wearedevelopers.com/videos/1094-docker-exec-without-docker) - [What makes Cybersecurity different for critical infrastructure?](https://www.wearedevelopers.com/videos/571-what-makes-cybersecurity-different-for-critical-infrastructure) - [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) ## Related Articles - [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) - [9 Ways to Make Money Hacking](https://www.wearedevelopers.com/magazine/333-9-ways-to-make-money-hacking) - [Understanding and Mitigating Common Web Vulnerabilities](https://www.wearedevelopers.com/magazine/565-understanding-and-mitigating-common-web-vulnerabilities) - [7 Important Tips That Every Software Developer Should Know](https://www.wearedevelopers.com/magazine/101-7-important-tips-that-every-software-developer-should-know) - [Dev Digest 134 - Where pixels sing?](https://www.wearedevelopers.com/magazine/477-dev-digest-134-where-pixels-sing) - [Top Characteristics of a Software Engineer](https://www.wearedevelopers.com/magazine/166-top-characteristics-of-a-software-engineer)