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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Network Test Engineer - Cisco, Arista and Network Automation - **Company:** Sysmind LLC - **Location:** New York, NY, United States - **Experience:** Expert - **Salary:** $117,000.0 - $146,000.0 - **Contract:** Permanent contract - **Skills:** IEEE 802.1X, Application Programming Interfaces (APIs), Amazon Web Services, Automation of Tests, Microsoft Azure, Border Gateway Protocol, Spanning Tree Protocols, Computer Networks, Data Centers, DDoS Mitigation, Internet Group Management Protocols, Networking Hardware, Internet Protocol Security (IP SEC), Interoperability, Python (Programming Language), Network Security, Network Troubleshooting, Network Layer, Multicasting, Network Planning and Design, Network Forensics, Routing, Cisco Nexus Switches, Open Shortest Path First (OSPF), Ansible, Software Deployment, Tcpdump, Wireshark, Wide Area Networks, Performance Testing, Computer Network Technologies, Nx-os, Juniper, Git, Kubernetes, Infrastructure Automation Frameworks, Network Support, Fortinet, Api Design, Open Network Automation Platform, Cisco Switches, Cisco - **Published:** August 29, 2026 - **Apply:** https://www.careerjet.com/jobad/us7584b1b506720680c171f6aad2c4089c ## About the Role * 8+ years of LAN/WAN network design, engineering, testing or certification experience. * CCNP-level networking knowledge; CCIE-level experience is preferred. * Strong hands-on experience with Cisco Catalyst, Nexus, IOS-XE and NX-OS. * Experience with Arista switches and enterprise network platforms. * Advanced understanding of BGP, OSPF, spanning tree and Layer 2/Layer 3 networking. * Strong multicast knowledge, including IGMPv2/v3, PIM-SM, Anycast RP and MSDP. * Experience testing and certifying network hardware, operating-system releases, patches and SMUs in a lab environment. * Working knowledge of Linux administration and network troubleshooting. * Hands-on experience with Python, Ansible, Git and API-based automation. * Proficiency with Wireshark, tcpdump and network traffic analysis. * Understanding of Kubernetes architecture, container networking and CNI. * Ability to work independently, lead technical testing initiatives and communicate findings clearly., * Experience with Cilium, eBPF networking, observability and security. * Experience with IXIA, Spirent or similar network testing platforms. * Familiarity with the Robot Framework and Ansible integration. * Knowledge of F5, A10, Fortinet or Juniper SRX appliances. * Experience with MAB, 802.1X, NAC, port security, QoS and IPsec. * Knowledge of AWS or Azure networking. * Experience with network hardening, DDoS mitigation and routing-protocol security. * Previous experience supporting large enterprise or financial-services networks. Ideal Candidate The ideal candidate is a senior network engineer who has designed and tested complex Cisco and Arista environments in a network lab. The candidate should combine deep routing and switching knowledge with Python/Ansible automation, network security validation and modern Kubernetes networking experience. ## Description We are seeking a Senior Network Test Engineer to test and certify enterprise network hardware, software releases, patches and security updates before production deployment. This is a hands-on network engineering and lab validation position-not a traditional network support or NOC role. The engineer will design test strategies, perform functional and performance testing, automate test workflows and provide certification recommendations for large-scale enterprise network environments., * Test and certify routers, switches, software releases, patches, SMUs and configuration changes. * Develop test plans for campus, branch, WAN/MAN, data center and low-latency networks. * Perform functional, performance, interoperability and security validation in a network lab. * Validate Cisco and Arista hardware and software across multiple platforms. * Analyze bugs, CVEs and operational risks associated with network software releases. * Develop and maintain automated tests using Python, Ansible, APIs and infrastructure-as-code practices. * Diagnose routing, switching, multicast, performance and compatibility issues. * Use Wireshark, tcpdump, IXIA or Spirent to test and troubleshoot network behavior. * Create certification reports, engineering standards, configuration templates and technical documentation. * Coordinate proof-of-concept testing with technology vendors and internal engineering teams. * Present test findings, risks and recommendations to technical and nontechnical stakeholders. ## 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) - [How a Small Team Shrank a Microsoft Monorepo by 94%](https://www.wearedevelopers.com/videos/1236-how-a-small-team-shrank-a-microsoft-monorepo-by-94) - [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) - [Git for Code Reviews](https://www.wearedevelopers.com/videos/429-git-for-code-reviews) - [Enabling automated 1-click customer deployments with built-in quality and security](https://www.wearedevelopers.com/videos/83-enabling-automated-1-click-customer-deployments-with-built-in-quality-and-security) ## 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) - [The 8 Best Code Testing Tools](https://www.wearedevelopers.com/magazine/402-the-8-best-code-testing-tools) - [Best US AI Conferences for CTOs in 2026: Build vs. Buy, Vendor Evaluation, and Peer Intelligence](https://www.wearedevelopers.com/magazine/736-best-us-ai-conferences-for-ctos-in-2026-build-vs-buy-vendor-evaluation-and-peer-intelligence) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs)