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Senior Network Administrator Resume Profile

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PA

Experience Summary

  • Information Security professional with a thorough understanding of IT from the networking, server and endpoint perspectives. Motivated self-starter with skills in analysis, design and implementation of a wide array of infrastructure systems.
  • Strong analytical, problem solving and troubleshooting abilities. Applies a balance of systematic approach and prudent risk-taking leading to efficient problem resolution. Able to manage complexity with little information. Thrive in individual and team environments. Excellent interpersonal skills in relationships with end-users, team members and vendors. Fast learner that is always eager to tackle new concepts and acquire knowledge.

Technical Experience

  • PC/SERVER HARDWARE:
  • IBM/Lenovo, Dell, Gateway Desktop and Laptops Dell and HP Servers
  • OPERATING SYSTEMS:
  • Windows XP, Vista, 7, and 8 Server 2003, 2008, 2008 R2 and 2012 Mac OS X
  • NETWORK TECHNOLOGIES:
  • Cisco IOS Switched Ethernet TCP/IP DHCP DNS NAT VLAN Layer 3 switching 802.11b/g/n T1 VPN IPSec Cisco WCS, ACS, NAC, Clean Access Server
  • NETWORK HARDWARE:
  • Cisco 2950, 2960, 2975, 3550, 3560, 3750, HP Procurve 2626 switches Cisco 5505, 5510, 5520 ASA Firewall Cisco 3315 NAC Manager Cisco 3355 NAC Server Cisco 1121 ACS Cisco 5500 Wireless Controller Blue Coat PacketShaper 7500 Extreme Networks X450, X460 switches
  • NETWORK MONITORING:
  • SolarWinds/Orion, NPM, SAM, Storage Manager, Virtualization Manager, Log and Event Manager
  • ENDPOINT SECURITY:
  • Sophos Endpoint Security and Control Symantec Endpoint Protection 12.1
  • SERVER ADMINISTRATION:
  • Active Directory Group Policy Folder Security WSUS Exchange 2007
  • VIRTUALIZATION
  • VMware vSphere 4.1, 5.0, 5.1
  • SOFTWARE/IMAGE DEPLOYMENT:
  • ScriptLogic/Desktop Authority Microsoft System Center Configuration Manager 2012 Symantec Ghost Altiris eXpress Deployment Server
  • DISASTER RECOVERY:
  • Mozy Pro Syncsort BEX and NSB
  • SAN TECHNOLOGIES
  • NetApp HP P4500 Microsoft Server 2008 Failover Clustering
  • MICROSOFT OFFICE
  • Office 2003, 2007, 2010 and 2013 Visio InfoPath SharePoint
  • EGRESS FILTERING:
  • Symantec.cloud Web Content Filtering Symantec Data Loss Prevention DLP
  • VULNERABILITY SCANNING:
  • QualysGuard Microsoft Baseline Security Analyzer

Professional Experience

Confidential

Information Security Engineer

  • Responsible for providing technical assistance with the design, installation operation, service and maintenance of a variety of multi-user information security systems. Perform risk assessments to identify security gaps in system configurations and supervise remediation activities.
  • Designing, implementing, installing and maintaining Symantec.cloud Web Content Filtering and Symantec Data Loss Prevention DLP environments.
  • Designed and implemented Microsoft System Center Configuration 2012 environment to enable deployment of software packages, including Microsoft patches and 3rd party software updates, to all Windows devices and enable better configuration management of laptop environment.
  • Implementing regular vulnerability scanning of servers, network hardware and web applications using QualysGuard.
  • Assisting in the creation of a new change management process following ITIL standards. Representative of security department in change approval board.

Confidential

Senior Network/Security Administrator

  • Responsible for security of network infrastructure in addition to providing expertise in network design and support. As a member of the security team, participate in completion of SOC 2 Type II audit and implementation of security program that satisfies the regulatory compliance requirements of HIPAA. Proactively monitor network for availability, performance issues, vulnerabilities and intrusions.
  • Monitor McAfee IDS, audit daily reports and respond to any real-time alerts.
  • Design and approve all changes to network firewall including rules and IPSec VPN tunnel creation.
  • Remediated vulnerabilities found during penetration tests.
  • Redesigned network architecture to provide for physical segmentation of administrative network and DMZ.
  • Identified vulnerabilities in network firewall configuration and led project to remediate.
  • Harden network infrastructure by performing vulnerability assessments and recommending changes to SOP.
  • Installed, configured and managed SolarWinds Log and Event Manager SIEM .
  • Designed detailed network diagrams using Microsoft Visio outlining entire corporate network topology.

Confidential

Senior Network Administrator Senior Network Manager

  • Responsible for planning, establishing and maintaining all network operations, including configuration of network switches, server hardware, operating systems, applications and services in a TCP/IP based wired and wireless environment for Immaculata University. Designs and maintains processes and policies relating to network and systems administration use. Manage one direct report.
  • Administer an Active Directory of 1 forest, 2 domains, 4 domain controllers, over 19,000 users, 1300 computers and 40 servers.
  • Developed and implemented standard operating procedures for the network operations group.
  • Redesigned Active Directory and device naming convention to enable better administration of Group Policy and security.
  • Install and maintain all network hardware including switches and wireless access points.
  • Configure and manage all network servers in VMware vSphere 5.0 virtualization environment as well as Windows Server 2008 Clustered SAN.
  • Monitor and proactively manage network resources via SolarWinds/Orion network monitoring system.
  • Managed BYOD capabilities through Cisco ACS, NAC and Clean Access technologies.
  • Designed and installed enterprise-class redundant backup system utilizing NetApp filers and Syncsort NSB backup software.
  • Reduced the number of security vulnerabilities for our site by over 45 in the first three months of employment.
  • Developed proper patch management procedures and implemented via WSUS and SMS push technology.
  • Improved penetration throughout environment and performance of security software by executing Sophos' recommended configuration settings along with scripted installs and policy enforcement.
  • Documented all network administration procedures and policies to ensure that all employees had shared knowledge of all duties and responsibilities.
  • Designed detailed network diagrams using Microsoft Visio outlining entire network topology across campus.

Confidential

Director of Information Technology

  • Worked with Confidential IT team to remediate vulnerabilities across all systems throughout the division.
  • Remediated vulnerabilities in servers, workstations and network equipment found in monthly McAfee Foundstone vulnerability scans.
  • Maintained monthly, quarterly and yearly checklists for IT operational items proving PCI compliance.
  • Administer an Active Directory of over 200 users, 200 computers and 20 servers.
  • Participated in executive committee at each of the 5 hotels under my supervision.
  • Solely responsible for technological operations of 5 hotels in the Philadelphia/South Jersey Area with diverse brands and differing business operations models. Provided leadership in areas of PCI-DSS and SOX compliance, data privacy, change control, security, capital planning, operations management and systems/network administration.
  • Manage workstation/server security and software installations via centralized ScriptLogic environment. Contributed best practice elements to North American IT team.
  • Performed monthly audits of user access of all applications for SOX audits
  • Actualized over 92,000 in yearly recurring and 15,000 in one-time wireless and wired telecommunications cost savings over a 3 year period between 4 hotels.
  • Renegotiated contract with HSIA vendor for one hotel resulting in a reduction of support fees of 50,000 and an increase of revenue of 50 .
  • Designed and implemented network backbone upgrade that increased total bandwidth to the hotel by over 90 without increasing monthly costs.
  • Placed all hardware on a cyclical CAPEX rotation to ensure that all servers, workstations, printers and networking equipment would always be within warranty.
  • Implemented helpdesk ticketing system in order to manage time, prioritize work, and track recurring issues.
  • Documented known issues and created a self-help library outlining resolutions to problems.
  • Trained as a Six Sigma Green Belt

Confidential

In-Home Technician

Provided a variety of technology related services to customers in their home or place of business including the diagnosis and repair of all broadband, networking, computer software and hardware issues. Services were delivered to customer specifications within a limited time period while maintaining the highest level of quality.

Confidential

In-Store Technician

Aided customers in the diagnosis, repair and maintenance of computer software and hardware issues.

Confidential

Consultant

Acted as remote site technical consultant for various workstation and networking issues. Provided technical support by phone to on-site technicians and end users. Installed and tested Confidential router for ADSL and Cable Modem setups at remote sites.

Confidential

Systems Analyst

  • Provided a range of technical expertise on several projects spanning across different groups in the IT department.
  • Developed, tested, and deployed Windows XP images for Compaq desktops and IBM laptops using Altiris.
  • Created and validated Rapid Install Packages of close to 1,000 enterprise applications for corporate desktop management project.
  • Assisted in maintaining company-wide application builds during testing and production stages with Altiris.
  • Created rules and updated documentation for the corporate firewall.
  • Maintained and supported lab environment including a firewall, DNS server, and Active Directory.
  • Researched, tested and recommended PDAs for company-wide implementation of handheld device standards.

Confidential

Co-Op Student Web Developer

Programmed active server pages utilizing ActiveX data objects, COM components, VB Script, and Java Script for Sunoco's intranet website.

Co-Op Student Network Engineer

  • Responsible for daily monitoring of the Local Area Network LAN and Wide Area Network WAN . Solely responsible for first level support of LAN, which included daily interaction with end-users. Participated in second and third level support of LAN as well as first level support of WAN.
  • Converted 1,000 users from Token Ring and Shared Ethernet networks to Switched Ethernet network.
  • Worked cooperatively with desktop support and server teams to identify causes of technological issues.
  • Utilized a Network General Sniffer and fiber/UTP cable tester to troubleshoot network problems.
  • Installed and configured Ethernet and token ring switches, modems, and print servers.
  • Performed software and hardware upgrades on Cisco routers and switches.
  • Replicated remote site network design in test lab, including development of naming and addressing schemes.
  • Tested, configured and installed Cisco routers and switches for remote site installations.
  • Used Microsoft Visio and Lotus Freelance Graphics to develop and update schematic drawings of LAN and WAN.
  • Documented all computer and network problems using the Heat trouble-ticket system.

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