- Troubleshoot and resolve complex network issues, leveraging proficiency in HSRP, BGP, OSPF, VPC, and STP, ensuring uninterrupted connectivity across data center and campus infrastructures.- Manage network configurations and hardware upgrades on Cisco Nexus and Catalyst IOS-XE platforms, aiming for minimal downtime.- Mentor less experienced team members, promoting skill development.- Participate in an on-call rotation supporting operational stability.

- Leveraged Terraform and other deployment orchestration tools to successfully deploy cloud endpoint security solutions.- Engaged across multiple lines of business to design and implement security controls to enable rapid migration of Cerner technologies to Oracle Cloud Infrastructure (OCI). - Collaborated with both internal and external entities to ensure accurate definition and implementation of security policies, standards, and controls, following the NIST 800-53 framework that governs our environment. - Conducted thorough technical assessments of new and existing Ports, Protocols, and Services (PPS) requests.

- Designed, deployed, and maintained large scale data center networks using VMWare NSX, IOS-XR, Nexus, FabricPath, Cisco ACI, BGP, OSPF, MPLS L3VPN, IPSEC, and MacSec. - Designed, deployed, and maintained Palo Alto and Cisco ASA firewalls and F5 load balancers. - Successfully implemented Security Technical Implementation Guides (STIG) to obtain and sustain Department of Defense (DoD) Authority to Operate (ATO) and Authority to Connect (ATC) for all Cisco devices within Cerner's Federal environment. - Conducted in-depth analysis of network device logs, proactively identifying potential issues to prevent incidents or problems. Developed Python scripts to automate these processes.

- Consulted and collaborated with various business partners, vendors and IT colleagues, from initial gathering of business requirements through issue resolution and all points in between. - Provided oversight and support for management of network firewalls, routers, switches, and wireless network infrastructure. - Diagnosed, resolved, and documented complex network incidents and problems.

- Designed and implemented high availability for the company's WAN circuits, ensuring uninterrupted connectivity through internet-based IPsec VPN tunnels. - Drove the design and deployment of DDoS mitigation and Web Application Firewall solutions.- Maintained and managed network hardware and equipment, including firewalls, routers, switches, and wireless access points. - Collaborated with various IT teams, business areas and service providers to troubleshoot and resolve complex network issues. - Established and maintained both internal and business-to-business (B2B) site-to-site VPN connections for secure communication.

- Managed Windows and Linux server infrastructure for clients, ensuring their optimal performance and reliability. - Created and maintained up-to-date network documentation for client networks, facilitating efficient troubleshooting and network management. - Assisted clients in the establishment and maintenance of disaster recovery sites, ensuring their readiness for potential emergencies and minimizing downtime.

- Successfully completed GAMP (Good Automated Manufacturing Practice) infrastructure qualification for server, network, and storage assets. - Acted as the primary escalation point for resolving user, server, and network-related issues, providing timely and effective support. - Managed vendor resources for various IT infrastructure projects, coordinating their activities and ensuring successful project outcomes. - Developed comprehensive infrastructure documentation, including Standard Operating Procedures (SOPs), to maintain compliance, facilitate efficient operations, and ensure consistent practices.

- Conducted thorough root cause analyses and efficiently resolved desktop and network issues, ensuring minimal disruption to client operations.- Developed comprehensive work instructions outlining troubleshooting and support processes, enhancing the efficiency and effectiveness of technical support activities. - Provisioned and effectively managed user and computer objects within Active Directory, ensuring proper user access and smooth system operation.