Lead Systems Engineer

FactSet creates flexible, open data and software solutions for over 200,000 investment professionals worldwide, providing instant access to financial data and analytics that investors use to make crucial decisions. At FactSet, our values are the foundation of everything we do. They express how we act and operate , serve as a compass in our decision\-making, and play a big role in how we treat each other, our clients, and our communities. We believe that the best ideas can come from anyone, anywhere, at any time, and that curiosity is the key to anticipating our clients’ needs and exceeding their expectations. **Your Team's Impact** Network engineers at FactSet have a wide variety of responsibilities across the enterprise’s entire infrastructure. The role primarily consists of designing, automating, operating and troubleshooting FactSet’s various network systems, including but not limited to our WAN, LAN, SAN, WiFi, Load\-balancing, Internet Egress, DNS, AWS Cloud Networking, Network Automation and Market data environments. This broad range of technologies, coupled with the nature of the position, often result in an engineer being required to quickly \[re]acclimate themselves with a technology, become a subject matter expert in that domain, fix the problem/implement a solution and then move on to the next initiative. For those who have the skills and work ethic to thrive in our environment, the position poses a challenging but rewarding and exciting opportunity for engineers to deliver top\-tier service to our internal and external clients. Candidates for this position will provide technical leadership and expertise across LAN/SD WAN/DC \& cloud networking. S/He will develop and execute initiatives to simplify, standardize and optimize network and security operations methods and tools to reduce cycle times and increase security, availability, service agility. You will bring your background in networking technologies and proven record of designing and implementing globally to lead the design process and provide technical guidance on networking solutions, product plans, roadmaps, and cost modeling to manage existing networks. You will coordinate with the IT teams to secure the necessary network equipment. Additionally, you will bring solid track record of interaction with ISPs, familiarity with automation tools, multicast experience, strong analytical, project management and troubleshooting skills will receive a higher level of consideration. You will assess the existing network technologies to increase the performance, security \& efficiency, examine and evaluate the network performance, and make changes wherever required. Past success designing, delivering, and administrating large networks is much appreciated. The ideal candidate should have delivered / built medium\-large scale network infrastructure either as a lead technical contributor or Project manager overlooking the project delivery. A successful candidate for this position will have strong interpersonal skills, an elevated level of verbal and written dexterity and will enjoy providing effective and meaningful solutions for clients, both internal and external. **What You'll Do** * Act as a strong consultative resource for FactSet’s clients, vendors and internal leaders. * Engage in major project delivery and contributing regularly to improve the stability and performance of the Network * Project manage business and network team initiatives * Configure Cisco / Arista Routers / Switches / Cloud Networking Services to provide solutions that successfully integrate into our clients, vendors and FactSet’s own internal networks * Build solid \& long\-lived interpersonal relationships with FactSet’s clients and internal stakeholders * Serve as an escalation point for network down emergencies and layer 1\-7 network troubleshooting * Research, design and implement new connections to market data providers and other 3rd parties * Streamline existing and new processes using templates, automation and workflow systems * Willing to lead and mentor Junior Network Engineers * Participate in Shift rotation for Saturday \& Sunday On\-call coverage. * Willing to work in 16X5 Shift rotation **What We're Looking For** * BS degree in an engineering discipline or equivalent * Relevant experience of 8\+ years * 3\+ years’ experience as a technical lead * Ability to be self\-sufficient and to grasp new technologies easily * Maintain knowledge of present and emerging technologies * Thorough understanding of following technologies and tools. + Routing protocols + TCP/IP + EVPN, VX\-LAN, MP\-BGP, DCI etc + LAN switching + Wireshark * Understanding of Kubernetes Networking concepts and Implementation skill to build and Operate K8s Cluster Networking, K8s Ingress and Service Mesh * Experience with BGP, EIGRP routing protocols * Router / Switch architectures * Good understanding of Protocols like HTTP / HTTPS / DNS / DHCP / SNMP / SMTP etc * Broader understanding of Cloud Computing technologies like AWS and Azure. * Deep Understanding of Cloud Networking across one of the Public Cloud Providers like AWS/Azure/GCP * Ability to effectively troubleshoot and isolate technical issues in a timely manner * Excellent oral and written communication skills * Ability to be a cohesive member of a group * Ability to effectively communicate with stakeholders and service providers, both internal and external * Ability to manage many projects simultaneously and prioritize effectively * Familiarity with common network automation tools + Python, Perl or other scripting language + Ansible, Salt or other automation tools + REST APIs + YAML, JSON and other data models **DESIRABLE SKILLS** -------------------- * Competence in some of the following technologies: * Network Firewalls * Load Balancers * Wireless Networks * Network operating systems (IOS, IOS\-XE, JunOS, EOS, F5/tmsh) + NSX + Infoblox + Linux + Efficient IP * Ability to use AI Developer toolsets like Claude Code, Gemini CLI , Codex etc for day\-to\-day operations * Solid, and intuitive understanding of WAN \& LAN technologies and how each device, protocol or system interacts as part of the network as a whole * Understand the modern datacenter stack and how today’s application compute and storage drive network requirements * Understanding of Public cloud, Private cloud and Hybrid Network Architectures * Experience designing networks, not only implementing and supporting * Competency in programming languages and/or scripting * Financial industry experience and/or a background in a large enterprise network * Any experience in building / leading / Mentoring a team is a definite plus * Competency in programming languages…