Open To Work
TIMOTHY WALTER
St. Louis,USA
Summary
Senior network engineer with 10 years of experience in designing, implementing, securing, and optimizing enterprise network infrastructures. Expertise in Cisco Meraki, Juniper, Palo Alto, and Cisco ASA environments. Successfully led network migrations, enhanced security measures, deployed SD-WAN solutions, and ensured high availability of enterprise networks. Proficient in BGP, OSPF, VLAN architecture, VPN technologies, firewall administration, Cisco ISE, 802.1x authentication, and enterprise troubleshooting.
Overview
11
11
years of professional experience
Work History
Network/Data Engineer
Synectics - Contracted to AT&T
Bridgeton, MO
08.2023 - Current
- Spearheaded ACL update project across 600 Cisco 4400 routers, strengthening network security and access control.
- Establish BGP peering between core routers and Cisco 4400 Series devices to optimize routing efficiency and network stability.
- Deploy and configure Cisco 4400 Series routers across enterprise network.
- Led network migration projects, transitioning customer devices from legacy Cisco routers to Cisco 4400 Series, minimizing downtime and service disruption.
- Directed on-site technical teams to migrate console connections and configure network equipment for improved performance.
- Design and implement VLANs for ITAS and Spirent connections to terminal servers.
- Collaborated with advanced technical support to develop and document Methods of Procedure (MOPs) for streamlined network implementation.
- Perform hardware upgrades and maintenance, including replacement of fan trays and power supplies to meet NEBS compliance standards.
Network Engineer II
Onshore Technology Services
Macon, MO
06.2020 - 08.2023
- Executed root cause analysis using Cisco CLI and PuTTY to diagnose and resolve complex network issues.
- Engineered Cisco ASA VPN tunnels to offsite hosted cloud environments and provided employees with secure and reliable remote access.
- Implemented 802.1X authentication, VPN, and Cisco ISE configurations.
- Managed firewall policies on Palo Alto and Cisco ASA firewalls, strengthening network infrastructure security.
- Collaborated with clients to deploy new Cisco ISE servers for VPN access and implemented redundancies to maintain high availability and security.
- Coordinated monthly updates for Windows/Linux servers and migrated servers from physical data centers to private cloud environments, improving scalability and cost-efficiency.
- Directed implementation of proprietary security and software solutions, streamlining client onboarding for Fortune 200 enterprises.
- Recognized by senior leadership for driving end-to-end client network integrations and leveraging expertise to enhance onboarding and deployment efficiency.
NOC Engineer
Panera Bread
Sunset Hills, MO
08.2015 - 04.2020
- Devised computer networking systems to streamline communication and information sharing across multiple business locations.
- Resolved network connectivity issues for guests, managers, and IT support teams, minimizing downtime and enhancing service quality.
- Enhanced network reliability and uptime through collaboration with IT teams and Internet Service Providers (ISPs).
- Delivered network engineering support and optimized converged access networks, topologies, and signaling systems for consistent performance.
- Assessed operational workflows, identified areas for improvement, executed process optimization strategies, and ensured timely resolution of network outages.
- Enhanced restaurant operations by configuring, deploying, and auditing IT network systems, including Cisco 2900 Series Integrated Service Routers for MPLS connections, Meraki switches, and Gigabit Ethernet WAN modules.
- Led migration of cafe locations from T1 to MPLS circuits, coordinating with vendors and technicians for seamless transitions.
- Assisted Network engineering with initial rollout of SD-WAN to select locations.
NOC Engineer II
Charter Communications
Town & Country, MO
01.2018 - 08.2018
- Optimized converged access networks, topologies, and signaling systems, improving overall network performance and reliability across the organization.
- Resolved technical issues and improved route performance through collaboration with engineers, field technicians, and third-party vendors.
- Managed technical resources and escalated complex cases, ensuring timely resolution and reducing operational disruptions.
- Performed network planning, configuration, and troubleshooting to ensure regulatory compliance, seamless operations, and adherence to industry standards.
- Documented troubleshooting and repair actions, enhancing knowledge transfer and addressing recurring issues.
Education
Bachelor of Science - Cybersecurity
Southern New Hampshire University
Manchester, NH12-2025
Associate of Applied Science - Computer Information Science
Jefferson College
Hillsboro, MO01-2014
Skills
- Network design
- Software-defined WAN (SD-WAN)
- WAN and LAN management
- DNS management
- TCP/IP networking
- VPN tunnel configuration
- Firewall administration
- Security compliance
- Network monitoring
- Network automation
- Network diagnostics
- VLAN setup
- Troubleshooting
- Cloud networking
Awards
- Best in Class Award 4 Consecutive Months (Gold & Silver) – Onshore Technology Services
- Employee of the Month for Service Excellence
Signature Accomplishments
- Rebuilt and optimized client’s WSUS infrastructure and ensured reliable deployment of updates across all devices and improving system compliance.
- Restored VPN functionality within two business days, demonstrating proactive leadership and rapid problem-solving under high-pressure conditions.
- Resolved critical VPN outage caused by accidental server removal, while mitigating downtime and maintaining uninterrupted business operations.
- Achieved 100% update compliance within one month of WSUS rebuild and aligned with organizational schedules and regulatory standards.
Work Preference
Job Search Status
Open to workWork Type
Full TimeLocation Preference
On-SiteRemoteHybridSalary Range
$1/yr - $130000/yrTimeline
Network/Data Engineer
Synectics - Contracted to AT&T
08.2023 - Current
Network Engineer II
Onshore Technology Services
06.2020 - 08.2023
NOC Engineer II
Charter Communications
01.2018 - 08.2018
NOC Engineer
Panera Bread
08.2015 - 04.2020
Bachelor of Science - Cybersecurity
Southern New Hampshire University
Associate of Applied Science - Computer Information Science
Jefferson College