Overview
Work History
Summary
Timeline

Jason Michael LaCombe

Oconomowoc,WI

Overview

29
29
years of professional experience

Work History

Senior Network Engineer/Leaop90

Humana Health
11.2020 - 10.2024
  • I was a Senior Network Engineer lead responsible for providing technical direction, design, and implementation on core network datacenter support, special datacenter projects, and overall stability of the core network
  • Primary duties included design, implementation, and level 3 support of core datacenter network topologies
  • Coordinated with multiple network vendors, company stakeholders, and other network engineers to ensure projects, tasks, and support is completed on-time, implemented correctly, and on budget
  • As lead engineer, trained and mentored junior engineers on multiple network projects and changes in the company
  • Subject matter expert in all aspects of network engineering
  • Go to engineer for change scripts and project peer reviews, as well as validating change tickets were created correctly and had correct change details in ServiceNow
  • Responsible for design and migration between the legacy Gigamon environment at Humana and a new SPINE/LEAF design
  • Worked with Gigamon sales and technical support to design and implement a solution that consists of multiple HC-3 controllers and numerous TA-200 switches utilizing high speed network taps as the primary source of data
  • Responsible for the design and migration of over 300 legacy Cisco 3850 switches and legacy Cisco ASA firewalls to new Cisco 9000 series switches and PaloAlto firewalls at Humana CenterWell pharmacy locations and other campus locations
  • Removed legacy Cisco IDS/IPS devices and implemented Palo Threat Prevention at these locations
  • Designed and implemented the Humana datacenter core environment from a Cisco Nexus FabricPath routing and switching environment to a Cisco VXLAN EVPN centric datacenter core environment
  • Subject matter expert on the datacenter team for configuring all aspects of the infrastructure within Cisco Datacenter Network Manager (DCNM), Nexus Dashboard Fabric Controller (NDFC), and all IOS/NX-OS command line configuration/troubleshooting
  • Knowledgeable in multi hardware supported core datacenter network design
  • Responsible for ensuring integration and interconnectivity between hardware vendors such as Cisco, Arista, Palo Alto, and Gigamon all interconnect and work together within the Humana datacenters
  • Identified bandwidth constraint issues in one of the Cisco Nexus FabricPath border leaf pairs and immediately put a plan together for management to rectify the issue
  • Sourced, installed, and configured a new pair of Cisco Nexus 5K switches to upgrade bandwidth and offload the heavier segmented traffic to these more robust FabricPath devices
  • Noticing there were limited diagram and project runbook design standards, rolled out a new project design and runbook templates for other engineers to use for completing projects and initiatives
  • Updated legacy and incomplete network diagrams of the datacenter environment with current up-to-date high, low, and rack elevation diagrams of the two datacenter's infrastructure
  • Subject matter expert for Humana's Equinix Cloud Datacenter hand-off environments located in Virginia and Illinois
  • Knowledgeable in Amazon Web Services (AWS) and Microsoft Azure

Principal Technical Consulting Engineer/Architect

AT&T Global Services
05.2008 - 06.2020
  • I was a Contractor with Matlen Silver for AT&T from 2008 until 2010, and then transitioned to a fulltime AT&T employee
  • I was a Principal Network Engineer/Architect/Project Manager working as a subject matter expert in Cisco and Juniper routing and switching technologies
  • Primary duties include providing, pre-sales support, service delivery, and service assurance to customers that outsource their IT infrastructure
  • I was responsible for pre-sales discussions with the customer, design/architecture, implementation, and post-implementation support of major network initiatives
  • My experience ranges from small sites to large complex data centers, primarily in the insurance sector
  • Other duties include project management for complex network initiatives, as well as junior team member mentoring and leadership/management duties
  • Accounts that I have been on during my tenure with AT&T are Thomson Reuters, Refinitiv, CHUBB Insurance, State of Georgia, and CIGNA Health
  • 100% Remote/Telecommute worker since 2008 that has a proven record of accomplishment of time management skills, process management skills, technical skills, complex project management/design/implementation, and completing short-notice requests to deliver 100% to the customer on-time and on budget
  • Primary engineer in developing, migrating, and implementing a new suite of Cisco ASA VPN concentrators to handle the influx of work-at-home users due to the COVID-19 pandemic
  • Developed a plan and implemented new switches that were able to handle the throughput of multiple ASA end-user traffic during peak utilization
  • Migrated existing ASA's that were bottlenecked due to legacy routing and switching hardware and configurations to these newly installed and configured routable switches
  • Perform technical project management, as well as leadership on many complex projects
  • I ensure conference calls are set up to plan, review, and implement projects
  • Furthermore, I also ensure change management processes are followed, by ensuring change tickets are approved and informing other lines of business of the change
  • Ordered, took delivery, implemented, and maintained over 300 circuits, both physical and virtual worth over 1.2 million dollars monthly
  • Different types of circuits that were ordered, disconnected, accepted, and maintained are T1, IMA, DS3, OC3, OC12/48 SONET Ring, Metro-Ethernet, AVPN-Ethernet and MPLS Private Virtual Circuits (PVCs)
  • Principal Network designer/engineer/architect for both the CIGNA and Chubb Insurance accounts
  • Responsible for design and implementation of LAN, MAN, WAN, and VOIP connectivity in multiple locations
  • Daily I architect solutions, implement, and support multiple series of Cisco switches ranging from Nexus 10k, 9k, 7k, 6k, 5k, 2k, Catalyst 6500, 3850, and 2960 end-user switches
  • Daily I also implement, and support Cisco routers ranging from high end ASR routers to low end 2800 series devices
  • Other hardware I implement and maintain daily include Riverbed Steelheads, F5, Cisco ASA, AT&T Netgate, Aruba wireless, Cisco Wireless (Lightweight and autonomous) and Gigamon
  • Coordinated the cutover of multiple sites from a network engineering standpoint to the AT&T and Verizon MPLS network, as well as configured WAN routers to talk across the client wide Metro-Ethernet (AVPN-E) BGP Network
  • Ensured network downtime would be minimized by adding additional circuits on additional routers at many of the critical sites
  • Data design engineer of a new multi-line of Business call center for CIGNA Insurance
  • Implemented dual MPLS DS3 circuits and multiple Permanent Virtual Connections (PVCs) for each line of business
  • As a cost saving and network security approach, I designed and implemented Virtual Routing and Forwarding Lite (VRF-Lite) down to core and access level 6500 series switches
  • This allowed for each line of business to be virtually segregated instead of physically on different hardware
  • Integral member of the CIGNA data center network refresh team
  • Refresh consists of design and configuration of new state of the art CISCO equipment and decommission of legacy equipment
  • The environment consists of over 120 switches and routers, ACE load balancers, and numerous back-end mainframe, midrange, SAN, and Wintel servers that needed to be migrated
  • Cisco Nexus architecture, installation, and support for large datacenters from a collapsed core and FabricPath perspective

Senior Network Engineer

Grede Foundries
Milwaukee, WI
10.2007 - 05.2008
  • I was a senior network engineer in charge of general office network, as well as Tier 2 network support to 9 different remote plants around the United States
  • Primary duties included ensuring all aspects of the Grede network are up and running smoothly and efficiently
  • Primary engineer for Active Directory, VMware Servers, Corporate Wide Cisco LAN/WAN switching and routing

Senior Network Design Analyst

The Swiss Colony
Monroe, WI
07.2006 - 09.2007
  • I was a senior network analyst in charge of many different aspects of the Open Systems infrastructure to include project management and Cisco network installation and support
  • Primary duties include developing and implementing network implementation plans and for new company ventures, Windows 2003 Server administration, network security, and Cisco hardware installation and configuration
  • Other duties included installation, configuration, and management of multiple UNIX and Linux servers as well as network and server support to over 1000 users daily

Senior UNIX and Microsoft Systems/ Cisco Network Engineer

BAE Systems
Colorado Springs, CO
07.2005 - 07.2006
  • I was a senior systems/network engineer in charge of multiple networks within a test lab environment
  • Primary duties include ensuring system development testers and integrators can talk between numerous interconnected suites and out to other geographically dispersed sites around the World
  • Other duties include system and network administration to all networked suites, to include installation, configuration, and development of UNIX, Linux, Windows 2000, and Windows 2003 servers

Systems Engineer

Science Applications International Corporation
Colorado Springs, CO
07.2003 - 07.2005
  • I was a UNIX system engineer in charge of configuration and administration of a collection of Sun servers at various locations around North America
  • Primary duties include UNIX system administration, Microsoft system administration, Oracle database administration, Internet Relay Chat administration, Microsoft Portal Server configuration and administration, creating UNIX scripts, daily UNIX backups, network designs, and Cisco network implementation

Network Administrator - Staff Sergeant

United States Air Force Active Duty
01.1996 - 07.2003
  • I was honorably discharged
  • I managed both classified and unclassified local area networks, servers, and communication connections to the outside world
  • Installed Cisco routers and switches, high-speed encryption devices, telephony, T1 and T3 circuits, and point-to-point modems used for better network performance
  • Configured network servers and trained other administrators on standard network server procedures, including virus protection and other security measures
  • Overseen teams of junior technicians and aided in their career progression
  • Overseas locations worked in/while in the US Air Force include Japan, Korea, Philippines, Australia, Azores, Germany, Italy, Egypt, Kuwait, Qatar, Mexico, and Canada

Summary

Results-driven Network Engineer with 28 years of expertise deploying and maintaining LAN and WAN infrastructure. Dedicated technology professional with strong track record of accurately conducting system repairs and troubleshooting. Offering exemplary planning, project management and communication talents.

Timeline

Senior Network Engineer/Leaop90 - Humana Health
11.2020 - 10.2024
Principal Technical Consulting Engineer/Architect - AT&T Global Services
05.2008 - 06.2020
Senior Network Engineer - Grede Foundries
10.2007 - 05.2008
Senior Network Design Analyst - The Swiss Colony
07.2006 - 09.2007
Senior UNIX and Microsoft Systems/ Cisco Network Engineer - BAE Systems
07.2005 - 07.2006
Systems Engineer - Science Applications International Corporation
07.2003 - 07.2005
Network Administrator - Staff Sergeant - United States Air Force Active Duty
01.1996 - 07.2003
Jason Michael LaCombe