ELOY RETANA
Denver,CO
Summary
Certified graduate Mike Barron's Closer Academy: Highly motivated to launch a professional sales career.
Persuasive communicator; Excellent interpersonal, communication and relationship-building skills. Ability to listen attentively, communicate persuasively and follow through diligently. Use question-based selling skills to identify opportunities, overcome objections, build relationships and turn cold canvassing into sales.
Tenacious negotiator and close; adept in conveying the benefits of products/services and generating customer interest. Quickly learn, master and sell new product offerings.
Overview
12
12
years of professional experience
1
1
Certification
Work History
NOC Engineer
SIEMENS SBS
01.2003
- Tier II network support for the Department of Homeland Security WAN infrastructure
- OSPF was used for IP routing support on network composed of about 1000 routers using Stub and Totally Stubby networks
- RIP and EIGRP were used to support IPX routing
- Layer 2 components of this network composed of hundreds of redundant links using ATM, Frame-Relay, ISDN and 56k leased lines
- Managed Sun Solaris Patch upgrades.
Sr Network Engineer
COGNIZANT
03.2019 - Current
- Tier III Resident network support at Aimco Apartment Management Services in support of datacenters in Denver and Dallas as well as 200 remote locations
- Leading project to replace Aerohive Wifi with Meraki Wifi system
- Infoblox experience, was a primary reason I was hired
- However, within months the company decided that Infoblox maintenance support was too expensive and the project was shelved.
Sr Network Engineer
MAXIMUS
03.2016 - 11.2018
- After years of mish-mosh DNS/DHCP configuration and a poorly managed SolarWinds IPAM the decision was made to switch to Infoblox
- I managed the project and worked closely with the Active Directory team to deploy DNS/DHCP, while the Network team setup and managed IPAM
- The Grid included a Grid Master, Master Candidate and two members
- IPAM was configured with customized extensible attributes and Smart folders were configured based on said extensible attributes, datacenter vs remote office, and then by location
- Refreshed and integrated new office Wifi networks into existing centrally managed Corporate WIFI architecture
- Led Project to upgrade all legacy Checkpoint firewalls to R80 and replace a single Windows management station with Dual 12600 Multi Domain Server
- Phase II of the project was to replace those same Checkpoint firewalls with Palo Alto Network firewalls using Panorama and working closely with the InfoSec to dial in Palo Alto’s Wildfire, App-ID and URL Filtering.
Sr Network Engineer
EPSILON
04.2012 - 03.2016
- Helped with the design and implementation of datacenters using cutting edge Juniper Networks technologies (Qfabric & Virtual Chassis Fabric) The design split off Production and Pre-Production and Corporate zones onto dedicated hardware which included Cisco ASA’s and F5 LTM load balancers
- A combination of OSPF and static routes were used for internal routing and BGP for Internet and MPLS routing
- Replaced aging Cisco and Fortinet firewalls with a mix of Checkpoint appliance and VSX technologies and Multi-Domain Server (MDS, formally Provider-1) for centralized management, monitoring and troubleshooting
- Setup Infoblox IPAM and worked with the systems teams to deploy DNS and DHCP using Infoblox
- Smart folders were configured based on customizable extensible attributes
- Datacenter vs Remote office and then by location, business unit, zone and customer.
Education
Certificate - Master Closer Certification
Mike Barrons Closer Academy
San Diego, CA06.2024
Skills
- Cisco Routers/ASA/Switches
- Palo Alto Firewalls
- Checkpoint Firewall
- Amazon Web Services
- NetBrain
Certification
- [Area of certification], [Company Name] - [Timeframe]
Timeline
Sr Network Engineer
COGNIZANT
03.2019 - Current
Sr Network Engineer
MAXIMUS
03.2016 - 11.2018
Sr Network Engineer
EPSILON
04.2012 - 03.2016
NOC Engineer
SIEMENS SBS
01.2003
Certificate - Master Closer Certification
Mike Barrons Closer Academy
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