Summary
Overview
Work History
Education
Skills
Certification
Timeline
SalesManager
Sean McEnany

Sean McEnany

Summary

Detail-oriented Network Engineer with 12+ years of experience and a strong background in network technologies and security. Accomplished network developer with proven success in designing and implementing business technology solutions. Focused on maintaining network security to provide customers with safe data management. Open to relocation.

Overview

14
14
years of professional experience
2
2

Certifications

Work History

Lead Network Engineer

CACI International Inc
Aberdeen Proving Ground, MD
07.2019 - Current
  • Installed and maintained Cisco DNA Center, overseeing a fabric network of 60 switches
  • Executed a live migration of a virtual ISE to four physical ISE appliances with minimal downtime
  • Reorganized the data center with high availability using four 40G lines.
  • Configured routers, switches, firewalls and other hardware to deploy and manage LAN, and WAN networks.
  • Monitored system performance to promote network speed, availability and reliability.
  • Corrected network faults and malfunctions to restore connectivity to individual users and entire facilities.
  • Designed and implemented enterprise IP networking infrastructure according to clients' parameters.
  • Educated and trained personnel on new technologies.
  • Provided high-level connectivity support for corporate and business partner systems.
  • Optimized, improved, expanded and upgraded network capabilities and connectivity through network monitoring tools.
  • Conducted scheduled maintenance during non-peak hours for uninterrupted service.

Cyber Security Analyst

CACI International Inc
Aberdeen Proving Ground, MD
09.2018 - 08.2019
  • Conducted vulnerability scanning using Nessus and Security Center in virtual environments
  • Led the installation of a new VMware 6.5 virtual environment while minimizing downtime
  • Optimized NetApp space, achieving an impressive 13 to 1 file storage ratio for the team.
  • Protected secure data files and regulated access.

Principal Network Engineer

Mantech International Corp
Aberdeen Proving Ground, MD
02.2015 - 09.2018
  • Lead Network Engineer for WIN-T Inc1, UHST, CPP, SSS, and HCCC projects
  • Deploy and maintain multimillion dollar enterprise network infrastructure for WIN-T Inc1 and RHN projects
  • Infrastructure support for VMware ESXi 5 thru 6 with virtual distributed switches
  • Establish and manage NetApp controllers with an iSCSI data storage distributing backbone
  • Ensure Cisco ASA Firewalls with IPS modules are updated regularly and maintained.
  • Designed and implemented enterprise IP networking infrastructure according to clients' parameters.
  • Held primary responsibility for availability and reliability of network infrastructure.
  • Assisted clients and employees by explaining how to properly use network equipment.
  • Configured and implemented Cisco ASA firewalls to provide clients with comprehensive security.

Telecommunication Technologist

State of Delaware
Dover, DE
04.2014 - 03.2015
  • Troubleshot level 2 and level 3 issues with Exchange, Outlook, and Lync
  • Closed 695 Service Now tickets in 3 Months
  • Written several automated PowerShell scripts, one is even capable of adding 100+ users to exchange at a time
  • Work with close nit team and running tasks on own when required.

Network Controller

US Army
11.2009 - 11.2013
  • Oversaw and repaired large scale organizational networks working at G-6 Network Operations for 10th Mountain Division
  • Performed Tier 1 and Tier 2 network troubleshooting for all of Regional Command South in Afghanistan
  • Performed routine troubleshooting and network monitoring.
  • Monitored, measured, and tested the network using SNMPc, Solarwinds, and NetMRI Software
  • Excelled in troubleshooting routing and switching problems on both secure and non-secure networks with multiple transmission paths and dynamic networking.

Education

Bachelor's Degree - Computer Science, Mathematics

University of Delaware
2003

Skills

  • Network Infrastructure Design and Implementation
  • Cisco Digital Network Architecture Center (DNAC)
  • Cisco Wireless and WLC installation
  • Cisco Systems (Routers, Switches, Firewalls) including OSPF, EIGRP, BGP, IS-IS, VXLAN, etc
  • Cisco Identity Services Engine (ISE) including distributed PAN, PSN, MnT and pxGrid
  • Network Optimization and Performance Tuning
  • Network Monitoring and Troubleshooting
    Fabric Networks
  • Data Center Reorganization and High Availability
    Virtualization (VMware)
  • SolarWinds Suite (NCM, NPM, Kiwi, Netflow)
  • Security and Firewall Management
  • Vulnerability Scanning (Nessus, Security Center)
  • VMware tools and utilities (vRealize, Veem)
  • NetApp Storage Management using iSCSI, NFS, and Fiber Channel
  • Proficient in Active Directory (AD), Dynamic Host Configuration Protocol (DHCP), Group Policy Objects (GPOs), Windows Server 2019
  • Technical Documentation and Reporting
  • Team Leadership and Collaboration
  • Strong Analytical and Problem-Solving Skills
  • Continuous Learning and Adaptability in Evolving Technologies
  • Proficient in Python scripting
  • Sight survey and implementation of latest network technology
  • Understanding of DMVPN for SDA software
  • Technical Troubleshooting
  • Firewalls and endpoint security
  • Connectivity troubleshooting
  • IP Addressing and Subnetting
  • Change Management

Certification

  • Active SECRET Clearance - United States Department of Defense
  • Cisco Certified Network Associate (CCNA) (bfac54147cc34e9f9b81b2294fe59ea2)
  • CompTIA Security+ (FJNPJKNMCDR159BD)

Timeline

Lead Network Engineer

CACI International Inc
07.2019 - Current

Cyber Security Analyst

CACI International Inc
09.2018 - 08.2019

Principal Network Engineer

Mantech International Corp
02.2015 - 09.2018

Telecommunication Technologist

State of Delaware
04.2014 - 03.2015

Network Controller

US Army
11.2009 - 11.2013

Bachelor's Degree - Computer Science, Mathematics

University of Delaware

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