Summary
Overview
Work History
Education
Skills
Certification
Key Career Highlights
Timeline
Generic

ALAN OSTERHAGE

Miamisburg

Summary

Seasoned Network Operations and Infrastructure professional with 12 years of experience in enterprise environments. Expertise includes Cisco routing and switching, BGP, OSPF, MPLS, Fortinet security solutions, and SD-WAN. Led incident management, network modernization, and multi-site deployments while mentoring engineers and collaborating with vendors. Demonstrated capability in delivering reliable network services and executing complex infrastructure initiatives.

Overview

1
1
Certification
10
10
years of professional experience

Work History

IT Coordinator / Network Operations

TJX Companies / Marshalls Fulfillment Center
04.2024 - Current
  • Played a key role in the successful launch of a new TJX Fulfillment Center, building, configuring, deploying, and operationalizing over 200 technology assets that enabled the facility to achieve operational readiness ahead of schedule.
  • Functioned as the primary on-site IT resource during facility startup, independently completing most workstation, RF device, printer, and end-user technology deployments.
  • Support mission-critical network infrastructure, telecommunications systems, wireless infrastructure, RF devices, printers, and workstation environments supporting distribution center operations.
  • Manage incident response and escalation activities through ServiceNow while coordinating issue resolution with engineering teams and vendors.
  • Collaborated with Network Engineering to develop and implement IP subnet mapping, hostname standards, and site-specific naming conventions, enhancing overall infrastructure design.
  • Acted as primary liaison among Network Engineering, infrastructure vendors, and operational teams during deployment and post-implementation support, ensuring seamless communication and issue resolution.
  • Developed location-based asset identification standards that significantly improved troubleshooting efficiency and accelerated issue resolution.
  • Mentored and provided technical guidance to facility personnel and local support resources, fostering skill development and operational efficiency.
  • Assist with infrastructure lifecycle management, operational readiness planning, system upgrades, and technology deployments.
  • Contribute to operational documentation, knowledge transfer, and support readiness initiatives.

Senior Infrastructure Engineer (Consulting)

Robert Half / Perry ProTech
08.2023 - 11.2023
  • Strengthened client security posture through standardized firewall implementations and security best practices.
  • Configured and deployed FortiGate firewall solutions, enhancing security across multiple customer environments.
  • Administered Fortinet platforms, executing policy creation, connectivity configuration, troubleshooting, and implementation support.
  • Coordinated project activities with stakeholders and technical resources, ensuring alignment and successful implementations.

Lead IT Engineer (L4)

Amazon
08.2021 - 03.2023
  • Directed technology operations in the role of Lead L4 Infrastructure Engineer for a 5-site fulfillment node, overseeing network infrastructure, operational technology, and business-critical systems.
  • Led infrastructure and network support operations supporting multiple fulfillment facilities operating in a 24x7 production environment.
  • Project managed migration from commodity networking infrastructure to Cisco-based network architecture, improving network reliability, standardization, and operational supportability.
  • Participated in Amazon Regional Build Teams, supporting deployment and implementation efforts at newly launched fulfillment centers such as LUK2 and CMH3.
  • Directed pilot testing, validation, and production rollout of ProGlove wearable scanner technology at CVG node, enhancing operational efficiency.
  • Coordinated vendors, technical teams, and operational leadership to deliver infrastructure projects, ensuring minimal disruption to business operations.
  • Led major incident response activities and served as senior escalation resource for infrastructure and operational technology incidents impacting multiple facilities.
  • Conducted root cause analysis and implemented corrective actions that reduced recurring infrastructure issues.
  • Developed operational procedures and technical documentation, standardizing support practices across multiple locations.
  • Mentored technicians, engineers, and support personnel on operational standards, troubleshooting techniques, and infrastructure best practices.

Lead Network Engineer

Verizon Lifecycle Architecture & Engineering
07.2019 - 01.2021
  • Promoted to Lead Engineer supporting Procter & Gamble's global network modernization initiative involving 148 worldwide locations.
  • Acted as engineering lead for 35 enterprise sites, managing network design, staging, deployment, cutover execution, implementation management, and hypercare support.
  • Designed Layer 2 and Layer 3 network solutions utilizing Cisco infrastructure technologies according to global enterprise standards.
  • Produced high-level designs, low-level designs, rack elevations, implementation procedures, cost analyses, and network documentation to support successful network implementations.
  • Directed staging activities and supervised deployment personnel during implementation and cutover activities.
  • Conducted Ekahau wireless surveys, infrastructure assessments, and readiness evaluations supporting worldwide rollout activities.
  • Led outage bridges, managed Sev1 incidents, coordinated maintenance windows, and served as technical escalation point to ensure timely resolution during major implementation and cutover activities.
  • Worked directly with Cisco TAC, telecommunications carriers, vendors, and project teams to drive issue resolution.
  • Provided technical leadership to deployment resources, staging teams, support teams, and vendor personnel, ensuring alignment and effective execution throughout project lifecycles.
  • Mentored junior engineers on implementation standards, troubleshooting methodologies, and operational readiness requirements.

Network Engineer

CDK Global
07.2016 - 07.2019
  • Managed and troubleshot advanced routing and switching environments, ensuring optimal performance of BGP, OSPF, EIGRP, MPLS, HSRP, VLANs, Metro-E, SD-WAN, and WAN technologies.
  • Performed direct administration of Cisco IOS infrastructure, Meraki security appliances, wireless networks, and switching environments.
  • Configured GRE tunnels, VPN technologies, DHCP services, DNS services, ACLs, NAT/PAT, and enterprise security controls.
  • Managed Meraki MX security appliances, wireless infrastructure, and branch networking environments.
  • Utilized SolarWinds and PRTG monitoring platforms to identify and resolve network issues, minimizing service interruptions.
  • Led outage investigations and major incident troubleshooting, coordinating with ISPs, telecommunications carriers, Cisco TAC, and vendor support to restore services efficiently.
  • Supported nationwide Cisco enterprise network environments serving automotive dealerships throughout the United States.
  • Participated in maintenance windows, change management processes, infrastructure upgrades, and operational readiness activities.
  • Served as Tier III escalation resource for complex routing, switching, wireless, and connectivity incidents.
  • Provided assistance and mentorship to junior engineers. junior engineers on troubleshooting methodologies and network operations best practices.

Education

Associate Degree - Network Engineering (CNE)

Sinclair Community College
Dayton, Ohio

Skills

  • Cisco IOS
  • Cisco Catalyst
  • Cisco ASA
  • FortiGate Firewalls
  • Meraki MX Security Appliances
  • Meraki Switching
  • Meraki Wireless
  • TCP/IP
  • WAN/LAN
  • BGP
  • OSPF
  • EIGRP
  • MPLS
  • Static Routing
  • VLANs
  • STP
  • HSRP
  • Metro-E
  • Routing Protocols
  • Fortinet SD-WAN
  • IPSec VPN
  • GRE Tunnels
  • ACLs
  • NAT/PAT
  • Wireless & Branch Infrastructure
  • Wireless Surveys
  • Ekahau
  • Operations monitoring
  • SolarWinds
  • PRTG
  • ServiceNow
  • Incident Management
  • Change Control
  • Operational Readiness
  • Cloud networking
  • AWS basics
  • AWS practitioner training
  • Windows
  • Linux
  • IPAM / DNS / DHCP
  • Infoblox
  • DNS Administration
  • DHCP Administration
  • Networking
  • Linux

Certification

Fortinet NSE3 Certified, Cisco Academy Graduate (CCNA Curriculum Completed), Cisco Network Fundamentals, Cisco Routing & Switching, Cisco Routing Protocols, Meraki Security Appliances, Meraki Wireless Technologies, Meraki SD-WAN, AWS Fundamentals, AWS Cloud Practitioner Training, Cisco Certified Entry Networking Technician (CCENT) – Expired, CompTIA A+ – Expired

Key Career Highlights

  • Built, configured, deployed, and operationalized 200+ technology assets supporting successful launch of a new TJX Fulfillment Center ahead of schedule.
  • Partnered with Network Engineering to design and implement IP subnet mapping standards, hostname standards, and location-based naming conventions that improved supportability and troubleshooting efficiency.
  • Served as Lead L4 Infrastructure Engineer responsible for technology operations across an Amazon 5-site fulfillment node.
  • Project managed migration from commodity networking infrastructure to Cisco-based architecture across Amazon facilities.
  • Selected for Amazon Regional Build Teams supporting infrastructure deployment at LUK2 and CMH3.
  • Led pilot validation and enterprise rollout of ProGlove wearable scanner technology throughout the CVG node.
  • Served as Engineering Lead for 35 sites within Procter & Gamble's 148-site global network modernization initiative.
  • Extensive experience leading outage bridges, Sev1 incidents, change windows, vendor escalations, and major incident response activities.
  • Direct administration experience with Cisco IOS, Meraki, Fortinet, Infoblox, enterprise routing and switching, wireless infrastructure, and network security technologies.

Timeline

IT Coordinator / Network Operations

TJX Companies / Marshalls Fulfillment Center
04.2024 - Current

Senior Infrastructure Engineer (Consulting)

Robert Half / Perry ProTech
08.2023 - 11.2023

Lead IT Engineer (L4)

Amazon
08.2021 - 03.2023

Lead Network Engineer

Verizon Lifecycle Architecture & Engineering
07.2019 - 01.2021

Network Engineer

CDK Global
07.2016 - 07.2019

Associate Degree - Network Engineering (CNE)

Sinclair Community College
ALAN OSTERHAGE