We provide IT Staff Augmentation Services!

Network Security Administrator Resume

5.00/5 (Submit Your Rating)

SUMMARY:

  • Tenuredsuccess in Network Optimization and Strategic IT Solutions for more than 15 years.
  • Network administrator with strong experience managing server infrastructures and data - center operations across Unix, Linux, Windows and Mac OS X platforms. Effectively plan, install, configure and optimize IT infrastructures to achieve high availability and performance.
  • Proven ability to create and deliver solutions tied to business growth, organizational development and systems/network optimization. Skilled problem identifier and troubleshooter comfortable managing systems, projects and teams in a range of IT environments.
  • Productivity Improvement - Technical Support - Systems Installation, Configuration & Upgrading
  • NOS Patches & Updates - Training & Mentoring - Security Solutions
  • Expertise in HIDS, NIPS, Cloud Computing, VOIP&Datacenter administration.
  • Experience on Cisco - LMS,Works, NCM,ISE and Cisco wireless technologies
  • Vast knowledge on Windows server administration. Administration Exchange email, email encryption web filtering, SPAM/malicious software prevention, Mcafee antivirus, HP switches, Cisco Routers, Cisco ASA Firewall, Cisco Wireless controller, VPN Concentrators and email accessories.
  • Excellent experience on Nexus switches Big-IP F5 GTM/LTM devices on InfoBlox DNS R

PROFESSIONAL EXPERIENCE:

Confidential

Network Security Administrator

Responsibilities:

  • Answered inquiries by clarifying desired information; researching, locating, and providing information.
  • Resolved problems by clarifying issues; researching and exploring answers and alternative solutions; implementing solutions; escalating unresolved problems.
  • Fulfilled requests by clarifying desired information; completing transactions; forwarding requests.
  • Sold additional services by recognizing opportunities to up-sell accounts; explaining new features.
  • Maintains call center database by entering information.
  • Kept equipment operational by following established procedures; reporting malfunctions.
  • Updated job knowledge by participating in educational opportunities.
  • Enhanced organizational reputation by accepting ownership for accomplishing new and different requests; exploring opportunities to add value to job accomplishments.
  • Firewall, router and VPN concentrator configuration.
  • Vast experience in Network automation scripting experience, (Expect, TCL, Python).
  • Was assigned to configure and maintain the following wireless devices: Cisco 5508’s, 4400 as well as Cisco Catalyst Support, 6500 and 4500 series.
  • Extensive knowledge in PowerShell,Perl, Python or Bash scripting experience.
  • Maintenance of F5 Load balancers-6600/6800 and Global Traffic Manager(GTM).
  • Performed network integration and support of load balancers across Vanguard platforms which included updating to latest version of Operating system with latest hot fixes along with set up of enterprise manager for monitoring all the devices through central console.

Confidential

Network Engineer

Responsibilities:

  • Responded in a timely fashion to customer locations for scheduled installations.
  • Inspected installation sites to determine best line placement.
  • Running and termination of data cables like CAT 5e, CAT 6, RG-6,etc.
  • Installed Cox entertainment systems regular cable systems networking systems and security systems.
  • Tested all installed components to insure they were working properly.
  • Activated new installations on-site; gave customers brief tutorials on their new equipment.
  • Responded to Cox repair calls; tested existing systems with which customers were experiencing problems; tested lines and signals using meters and tools; replaced lines as needed.
  • Exhibited excellent customer responsiveness and received high marks on telephone and computer surveys.

Confidential

Network & Security Administrator

Responsibilities:

  • Responsible for assisting Networking and Communications Manager in maintaining and developing all aspects of the hospital wide voice and data infrastructure.
  • Provided strong knowledge of protecting government data security standards as well as technical support for networking, personal computers specialized software andWindows server administration.
  • Administration of Exchange email, email encryption web filtering, SPAM/malicious software prevention, Mcafee antivirus, HP switches, Cisco Routers, Cisco ASA Firewall, Cisco Wireless controller and email accessories (i.e. hospital wide disclaimers). Was on call 24 hours a day 7 days a week for emergency situations.
  • Strong working familiarity with Cisco IOS with hands-on experience configuring Cisco routers, switches and firewalls.
  • Experience on Cisco - LMS,Works, NCM,ISE and Cisco wireless technologies
  • Excellent experience on Nexus switches
  • Very good knowledge Big-IP F5 GTM/LTM devices and InfoBlox DNS R
  • Network Connectivity: Provides support for network connectivity or related network issues.
  • Network Installation: Plans and monitors the installation of network systems.
  • Network Monitoring: Analyzes network activity and issues to discover and prevent systematic errors. Recommends network design changes/enhancements for improved systems availability and performance.
  • Issue Resolution: Troubleshoots, diagnoses and resolves network problems. Researches, analyzes and recommends the implementation of software or hardware changes to rectify any network deficiencies or to enhance network performance.
  • Knowledge of commercial enterprise-level tools and products to provide network services, including: firewalls, IPS/IDS, DNS, DHCP, web security, TACACS+, VPN and NAC.
  • Controller Based - CISCO AP: 5508 & CISCO WiSM2.
  • Experience working in a health care environment. (with a focus on obscure-clinical-wireless-systems) - Alaris, Alere, Ascom, Axis, Cerner, Certo, daVinci, GE, Philips, Pyramis, Roche, Softlab.
  • Installed, administered and managed the IFMIS application which is comprise of the Financial Accountability and Human Capacity programs.
  • Supervised 50 employees in department.
  • Ability to coordinate large scale wireless surveys and remediation, with 3rd party vendors. (Dell, CBTS, Radiant, etc.).
  • Strong background in 802.1x to LDAP authentication configuration.
  • Experience configuring and designing wireless profiles in Windows and other operating systems.
  • Experience in installing and administering multiple network devices: B2B and B2C VPN configurations via CISCO ASA’s and CISCO’s AnyConnect client, Firemon IPS, Blue Coat Proxy, CISCO ASA firewalls CheckPoint firewalls.
  • Knowledge or experience with Palo Alto, Tipping Point, Iron Port, Mobile Iron, and Cisco Firewall technologies.
  • Background in designing and troubleshooting VOIP systems, which involve Cisco controllers, access points, 7925/7921 handheld phones, Call manager, and Voice gateways.
  • Experience with Apple OS and Apple devices, as they pertain to wireless protocols and configuration.
  • Ability to create predictive surveys in WCS/NCS, for small scale offices and remote sites.
  • Linux server and client installation, administration and management.
  • Configured and supported 21 remote dial in sites using Cisco AS5200 & 2511 routers.
  • Maintained a VPN solution using Secure Computing and Sidewinder VPN Concentrators.
  • Responsible for design, implementation, & configuration of several advanced networking solutions to include: IP management using VLSM, QOS, HSRP & VLAN management.
  • Configured and maintained over 1500 VoIP phones throughout several sites.
  • Responsible for the configuration and support of 5 Cisco Call Managers 3.3(5), 2 Cisco Unity Servers 4.0(3), 2 IPCC Servers 3.1, 7 Cisco Call Manger Express and 6 Cisco Unity Express.
  • Assisted users with-in the Department of Health with any Network or VoIP issues and troubletickets.
  • Worked with cutting edge cloud technology.
  • Forecasted the complete equipment need for the project, considering bandwidth, circuit type, routing platform, host switch, POE, house power, and HVAC.
  • Communicated any issues with supervisor and participated in weekly meetings. Developed hybrid cloud delivery model allowing for customers to choose the mix of public and private clouds to meet their individual needs.Also set up a WAN for all the ministries in Freetown.
  • Installation and management of new servers.
  • Streamlined server architecture and maximize usability for company and clients.
  • Controlled costs by investigating upgrades and new technology before implementation.
  • Managed multiple simultaneous customer design and risk avoidance projects.
  • Repaired and restructured current servers as needed.
  • Prepared reports on data center efficiency to improve function and reduce costs.
  • Ensured that data center stays as immaculate as possible to prevent unnecessary damage to computer systems.
  • Worked with a group of operators to maintain as flawless a system as possible.
  • Tracked all supplies both used and needed and reported to financial office.
  • Trained new data center employees on system operations.
  • Checked in and out any equipment to prevent loss.
  • Kept all systems as updates as possible implementing any new technology where possible.
  • Set up CAT5/6 & FC structured cabling - Cable trace, Crimp, FC testing, cable management.
  • Implemented labeling in the DFID and World Bank projects.
  • Produced monthly IT report to management.
  • Under the ADB project at the Confidential, installed hardware, Racking & Stacking, Power On Self-Test (Cisco UCS, Nexus, NetApp, Storage Cisco networking devices, PDU’s, Wireless Access Points) for five years.
  • Experienced leader in disaster recovery efforts and expert relevant to multi-site environment.
  • Managed the efforts of infrastructure, server, and applications recovery plans.
  • Conducted site assistance visits identifying critical assets, system interdependencies, cyber vulnerabilities.
  • Briefed management on findings that led to heightened security awareness.
  • Activated the fiber link between the Confidential and the central bank in the implementation of the Real Time Gross Settlement (RTGS) system for immediate payment transactions between banks.
  • Provided resolutions to clients’ problems and hardware functions.
  • Configuration of Firewalls, VPN Concentrators and routers.
  • Expertise in Network Intrusion Prevention Systems and Network Intrusion Detection Systems as well as in Host Intrusion Prevention Systems.
  • In charge of DFID and World Bank projects that involved cloud management and server virtualization.

Confidential

IT Network Consultant

Responsibilities:

  • Confidential IT Consultant for Sierra Leone Travel Agencies.
  • Confidential Selling Platform Travel Agent’s desktop and laptops administrator.

Confidential

Systems Administrator

Responsibilities:

  • Managed the local and wide area network.
  • Performed Linux server and client installation, administration and management.
  • Administered and managed their SQL server 2005 application for the company’s operation, financial and commercial departments.
  • Configured and managed the IBM NIPS device, Cisco routers, catalyst switches and Riverbed Steelhead device.
  • Transformed and modernize the power and backup system in all the three offices in Sierra Leone.
  • Provided technical support for networking, personal computers, specialized software and Windows server administration.
  • Administration of Windows servers, Exchange email, ZIX email encryption HP switches, Cisco Routers, Firewall, Wireless controller and email accessories (i.e. ministerialwide disclaimers and encryption). Websense web filtering, SPAM/malicious software prevention, Mcafee antivirus,
  • Performed both network and phone maintenance i.e. adds, moves and changes, as required.

Datatel 10/01 - 8/06

Network Administrator

  • Worked as an Internet administrator at Datatel Connection and was responsible for the day-to-day installation and maintenance of the LAN and WAN.
  • Installed and upgraded the Vsat terminal. Worked with Cisco wireless routers and switches, SkyX Gateways, Packet Shaper, Dell Power Edge servers and HP Alpha ProLiant and Blade servers.
  • Linux server and client installation, administration and management .
  • Delivered turnkey solutions to 100 corporate customers in Sierra Leone.
  • Supervised the daily activities of the Call center.

Confidential

Hardware Engineer

Responsibilities:

  • Worked as a Hardware Engineer at the Banjul Confidential in the Gambia.
  • Responsible for the maintenance and repairs of the PCs and accessories.
  • Managed the Software and Hardware inventories.

We'd love your feedback!