Principal Network EngineerThe Network Engineer is responsible for managing, designing, and improving Comerica's enterprise network. He or she will assist network architects with design and implementation of network technologies. This role is responsible for providing guiding principles and leadership to engineering teams as well as offering proactive assistance on project-based activities. General duties include leading buildout of solutions and driving innovation for incorporating new modern technologies in the enterprise network. Partners with management and other engineers to drive infrastructure modernization projects to completion and provides Level3 technical support using extensive technical background to take on work assignments the team is engaged in. Strong people skills and the ability to balance/prioritize between multiple tasks and projects are essential. This position does involve both routing and switching as well as network firewall implementation projects for both on-prem and cloud infrastructure.The ideal candidate would have experience in network design, implementation, and documentation of medium-large scale enterprise networks, be familiar with datacenter technologies (Nexus switches, VPC, Nexus Dashboard, Cisco ACI), have experience with switching / routing / Wi-Fi and Firewall/VPN on Cisco platforms as well as RemoteAccessVPN/AnyConnect on Firepower/ASA clusters and tweaking their integration with NAC solutions (Cisco ISE). For maintaining and implementing a good security posture, skills with Checkpoint firewall technologies (Management Servers, CheckPoint Infinity, CheckPoint Maestro deployments) are also desirable. The principal engineer would also ideally work with F5 Load balancer clusters (Load balancing and SSL decryption policies) as well as Infoblox (DNS/IPAM functions).  Cloud networking experience is also desirable (AWS, Azure, GCP) with existing familiarity with on-prem to cloud connectivity solutions (BGP peering, Cloud Exchange, etc.). SolarWinds use for compliance, configuration management and monitoring, LiveAction or LibreNMS monitoring is also desirable.  CCNP Enterprise (R&S) knowledge level required, CCIE nice to have.The Principal Engineer is expected to work collaboratively across a variety of business units to implement new technologies, coordinate and take lead of assigned projects in all technical and communication aspects, Lead engineering peers towards achieving common goals in assigned projects, and coach peer engineers and effectively perform knowledge transfer/cross-training activities. The ability to take ownership of a project and execute it from 0 to 100% with little to no supervision, while interacting with multiple departments/teams that may hold certain keys to project completion is critical to achieving success in this role.Position Responsibilities:Design and MethodologyWork closely with business units, application teams, infrastructure areas and vendors to identity, review and evaluate the solution requirements.Investigate and propose strategic fits for virtualization, consolidation and rationalization solution opportunities within the infrastructure or business. Propose changes to the technical architecture and design solutions as applicable.Evaluate and align strategic fit solutions across infrastructure platforms and solutions specific to system hardware and software technologies.Understand, participate, review, and influence long term capacity planning and technology investments.Technical ConsultingProvide Client consulting and planning guidance as applicable for moderate to large highly complex projects/programs.Provide consultation and works closely with other functional infrastructure areas/departments on multiple initiatives to meet common organizational / business goals and objectives.Participate in and provides consulting to project teams on architectural, design development, i