> Markdown version of [/jobs/ext/3955034-l3-network-operations-engineer](https://www.wearedevelopers.com/jobs/ext/3955034-l3-network-operations-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). --- # L3 Network Operations Engineer - **Company:** Morgan Stanley - **Location:** Milton, GA, United States - **Experience:** Expert - **Salary:** $140,000 - **Contract:** Permanent contract - **Skills:** IEEE 802.1X, Agile Methodology, Artificial Intelligence, JIRA, Build Automation, Border Gateway Protocol, Unix, Catalyst (Software), Network Operating System (NOS), Cisco IOS, Computer Networks, Data Centers, Linux, Dynamic Multipoint Virtual Private Networks, Ethernet, Internet Group Management Protocols, Networking Hardware, Python (Programming Language), Network Security, Project Management Software, Multicasting, Cisco Nexus Switches, Open Shortest Path First (OSPF), Role-Based Access Control, Ansible, Zero Trust Network Access, TCP/IP, Wireshark, Wide Area Networks, Wireless Networks, Dynamic Routing, Scripting, Computer Network Operations, Nx-os, Large Language Models, Amazon Virtual Private Cloud (VPC), Terraform, Splunk, Cisco - **Published:** October 27, 2026 - **Apply:** https://www.dice.com/job-detail/320a2fc6-9da1-4fa9-9551-e79d47082a79 ## About the Role * 8+ years of networking experience, ideally in financial services, technology vendors, or systems integrators. * Hands-on experience across Campus, Branch, Data Center, and WAN networks. * Expertise with Ethernet technologies (STP, 802.1x, VPC, Multilayer Switching, Leaf-Spine IP Fabric). * Deep knowledge of IP routing protocols (RIP, OSPF, BGP, MPBGP, TCP/IP) and multicast (PIM, IGMP, MSDP). * Hands-on experience with Cisco ASR, Nexus, Catalyst and Arista switches, and network operating systems (Cisco IOS, IOS-XE, NX-OS, IOS-XR, Arista EOS). * Strong background in network security concepts, multi-tier security architectures, and best practices for segmenting production and non-production networks. * Experience with network tools such as Wireshark, Infoblox, HPNA, Splunk, and SevOne. * Familiarity with project/task management tools like JIRA, especially Agile/Kanban methods. * Strong scripting skills; able to independently develop solutions for repetitive network tasks. * Weekend support for the change implementation is needed. What you'll bring to the role: * Some AI experience, such as using simple LLM-based tools to analyze networks. * UNIX or Linux skills. * CCIE or similar certifications. * Knowledge of wireless infrastructure, SDN, SD-WAN, DMVPN, and public cloud. * Preferred - Strong grasp of security concepts (defense in depth, zero trust, least privilege, risk controls). * Experience working on enterprise-level initiatives with senior stakeholders across multiple regions and cultures. * Experience with optical equipment such as Adva/Ciena. * Experience with timing infrastructure such as Spectracom/Meinberg. Who You Are * A clear communicator with excellent presentation skills. * A team player who can also work independently on large-scale projects. * Flexible, reliable, and dedicated to delivering results. * Someone who takes ownership and accountability for your work. ## Description * Design, implement, and maintain large, secure network infrastructures across Campus, Branch, Data Center, and WAN environments, for both production and non-production. Lead efforts to separate and secure networks, helping ensure robust security and smooth business operations. * Work closely with business and technical teams to explain risks to larger groups and implement the network designs. * Develop and execute comprehensive network implementation plans, with security and stability in mind. * Support the full lifecycle of network devices, from deployment and ongoing support through decommissioning. * Build automation for repetitive network tasks using tools like Python, Ansible, and Terraform.