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Network System Engineer Resume

Rockville, MD

SUMMARY:

Dedicated professional with more than 7 years of IT experience, specializing with Cisco Networks, security, and Windows Servers. Adept at multi - level network designs, enterprise security, software management, application, system updates and migrations. Dedicated towards ongoing performance tuning and optimization. In-depth knowledge of Cisco and Microsoft products and services, and a resourceful problem solver. Well versed ability to deliver mission critical projects within short periods of time, and on budget.

CORE COMPETENCIES:

  • Network design: research, planning, implementation, deployment, and administration.
  • Network configuration, testing, and performance optimization.
  • Customer Service & knowledge transfer, inventory management, and cost analysis.
  • Software & hardware testing, implementation, security audit, and disaster planning.

TECHNICAL KNOWLEDGE:

Network hardware and software: T1/T3, DS3, ATM, Frame Relay, ADVA Optical FSP 3000 Re1, Re2, and R7, SONET over dark-fiber (DWDM), ADVA FSP NMS software 7.2, Gigabit Ethernet, CSU/DSU, Cisco Routers (810, 2500, 2600, 2610, 2800, 2811, 2851, 3825, 7000, 7500), Cisco ISR, Cisco Switches (1900, 2950, 2960S, 3560, 3750/3760, 4000/4506, 6506, Nexus (1000, 2000, 3000, 4000, 5000, and 7000/7010), Cisco PIX (501 {5.6-6.2}, 525), ASA-5505A, Cisco-VPN 3000, NG-5512X, NG-5516x with NGIPS, TACACS to LDAP, Cisco Secure ACS 5.2, Netronome SSL, Netwitness Concertrator/Broker/Decoder, Barracuda Web and Mail filters, Cisco Ironport S160 with network management, Cisco-Works, What’s up Gold, HP Open view 2.0-3.0, OpNet IT Guru 9.0, F5 Server Load Balancer, Alloy, Dell Servers (1850, 1950, 2850, 2950, R200, R610, R, R810, PowerVault MD, Nimble CS300-(3TB), and Cisco UCS C220 M4, and Cisco UCS C460 M2. Bitvise Tunnelier, Putty, WinSSHd, FreeSSH, tftpd, Terminals 8

Operating Systems: Cisco NX-OS and IOS, Windows-2008, 2012r2), 7, 8.1, and 10, IIS 7.5 and 8.5, Sharepoint 2007, 2010, SharePoint-Office365.

System Management tools: Cisco Works, NetCool, Sensaphone IMS 4000, WhatUp Gold, Symantec Altiris, InfoBlox DNS/DHCP, NetMRI, Orion Solarwind, LANDesk, Blink, Windows SUS, SpiceWorks 4.7, GFI Network Management 8.0 Suite, NetMRI, CacTi, Sourcefire, AlertLogic Cloud service, Symantec Endpoint Protection Manager 12.1 RU4-6 MP1-3, SolidCore S3, Evault Cloud services, CA Arc Server-backup, Nimble CS3.

Protocols: Advanced TCP/IP, IPX/SPX, Appletalk, SNA, HDLA, ISDN, BRI/PRI, Frame Relay - RIP, EIGRP, OSPF, BGP - Tacacs, and Cisco Discovery Protocol.

WORK EXPERIENCE:

Confidential, Rockville, MD

Network System Engineer

Responsibilities:

  • Current project include upgrading existing network and storage systems from EMC NX4/AX4 to Nimble Adaptive Flash storage (CS300) migration.
  • Clean-up existing 10GB interfaces and migrate data links to UCS manager.
  • Working with Cisco partner to integrate existing Dell/EMC storage running VMware into Cisco UCS Manager with Nimble CAS.
  • Assist installing and cabling new UCS Manager and Nimble CS300 to existing Nexus 5548 interfaces.
  • Assist installing and upgrading QLogic 10GB iSCSI/fibre channel connections to 10GB Fibre Channel.
  • Migrate data from EMC NAS (NX4) to UCS/Nimble storage using manager and vCenter.
  • Plan and manage to upgrade network bandwidth from 20Mbps to 100Mbps.
  • Planned and upgraded hardware and software changes to core routers and switches.
  • Planned and migrated DNS PTR between two ISP.
  • Planned and configured dual-homed connections to existing firewalls (Checkpoint 5507 and ASA 5512X)
  • Assisted and configured new ISR 4321s to DMZ and configured for failover.
  • Planned and upgraded floor to floor data lines for redundant connection.
  • Planned and assisted upgrading 3560 Layer 2 switches to 2960S.
  • Patch and update anti-virus (Symantec) to local and remote servers, and assist Tier 1 support staff.
  • Plan and design Print and FTP sites for local and contract users.
  • Assisting Domain controller migration project.
  • Planned and migrated connection strings between internal and external networks on Nexus.
  • Planned and migrated internal NTP to new DC.
  • Planned and migrating internal DHCP and DNS addresses for both remote and local machines.
  • Planned and migrating VPN traffic to new domain controllers and ADFS.
  • Troubleshoot and upgrade IronPort S160 IOS and connected to Orion.
  • Plan and design System Center 12 for patch management, update local group policies.
  • Installed new search tool to develop and stage sites.

Confidential, Washington, DC and Rockville, MD

Network Engineer / Security Analyst

Responsibilities:

  • Assist troubleshooting and managing SONET-based DWDM system trays at the Library’s data centers.
  • Built DWDM system monitoring and management tools (FSP NMS 7.1.5) for the Library.
  • Assist troubleshooting ADVA FSP300R7 shelves for clients. Troubleshoot 10Gb, 4Gb, and 8Gb fiber lines over wavelengths. Assisting with vendor migrate end-of-life FSP300RE1 and RE2s to R7s, and build and document network design changes.
  • Troubleshoot and configured new Cisco 4000/4506 switches at the Library.
  • Researched and built TCL script to automate system modifications on some Layer 2 switches.
  • Assisted researched and managing Flex Modules on Nexus Data Center switches.
  • Managed and troubleshoot wireless AIRCARD and Wireless LAN controllers at the Library.
  • Tested wireless Access Points in different buildings and documented AP changes within the Library’s wireless.
  • Assisting with HSRP, redundancy, failover project with library staff from primary to secondary systems. Assisted with stand-by datacenter and Capital Network projects. Assisting with Internet 2 project for national university connection to Library of Congress resources.
  • Configured, troubleshoot, and documented Sensaphone data center humidity and temperature monitoring.
  • Assist testing Public Key Infrastructure (PKI) and Personnel Identity Verification (PIV), middleware integration for PIV use of Oracle Single Sign-On and Active Directory on Confidential applications.
  • Providing technical and advisory assistance developing and deploying PIV card support architecture.
  • Assist PKI CA authority; building, and testing test lab environment
  • Tier III support for PIV project, installing middleware and Entrust software on client PCs, troubleshooting user, PC and system errors, card issuance personnel, testing and writing white papers.
  • Assist building and testing expiration prompts on user desktop.
  • Assist building and testing SMS software package through WMI.
  • Assist planning and building a secure Scientific Enclave network using firewalls, load balancers, and network managed and monitored by Security Operation Center (SOC) staff.

Confidential, Bowie, Maryland

Network Analyst/Database Administrator

Responsibilities:

  • Work with Sr. Oracle Database Administrators and Network Administrators to build enterprise-size network and database architectures.
  • UNIX, Linux, and Windows 2003 server environments.
  • Deploy Acer, Cisco, IBM, and HP firmware updates.
  • Research, test, and deploy Arch Linux, BIND, RPC, Apache Web, and UNIX Authentication patches and updates.
  • Researched, tested, and deployed Windows XP/2003/2008 ABE, KB, and MS updates and patches using KIXtart, and Samba 4 and 3.5.8 (current upgrade in progress)
  • Assisted in hardware and patch management upgrades.
  • Deployed VMware 2.0 Server (Linux and Windows) on Acer Servers.
  • Updated VMware to 3.5 on Clariion ESX and updated HP StorageWorks SAN, and B-Series Remote Replication. Also updated Fabric Architecture to client SAN.
  • Installed and updated VM Management 6.0 for HPVMMP- version 3.7.2
  • Installed and manage IDS and IPS hardware and software management tools, and installed Wireshark 1.4.
  • Assisted and installed LANGuardian 8, Netfort Management Reporting and AppDetective search engines.
  • Configured LANGuardian traffic to VPN LAN segment.
  • Installed and configured KBOX K1000 Service Desk management tool.
  • Modified and updated network design to support Oracle school, and segmented LAN.

Confidential, Dulles, Virginia

Network Administrator

Responsibilities:

  • Provided Network administration support to production environment.
  • Updated IOS patch and remote access services.
  • Worked with senior VoIP and LAN technicians on office-move project.
  • Documented and modified firewall rules, and managed VLANs for users.
  • Built TACACS+ server to manage Cisco routers and switches and connected to Active Directory LDAP.
  • Researched and tested Cisco Secure ACS 5.2 and recommended changes to network topology.
  • Researched and provided assistance for office-move project with documentation.

Confidential, Rockville, Maryland

Sr. Systems Administrator

Responsibilities:

  • Windows, Linux, and SUN server environments.
  • Manage and deploy anti-virus, system patches, and monitored security audit logs.
  • Work with datacenter EMC-Clarion SANs and ESX-VMware.
  • Assisted building viSCSII SAN to ESX.
  • Assisted linking LUNS to Oracle and SQL Databases.
  • Work with datacenter management Dell servers, Dell switches, and Cisco routers.
  • Ran backup, restoration, and recovery tasks for production and test ORACLE databases to Dell Clariion and EMC SANs.
  • Assisted building mail-relay server on LINUX for customer notification.
  • Troubleshoot Exchange 2007 mail issues and built backup mail system.
  • Configured distribution and core layer switches for production IIS services, and audited firewall and IDS/IPS system to monitor and notify group.
  • Provided access-control for client and vendor to local and datacenter production servers.
  • Assist designing, deploying, and managing datacenter per PCI audit rules network servers, switches, and routers.
  • Ran internal and external intrusion and penetration tests on a monthly and quarterly basis
  • Manage application load balancing using F5, LoadMaster, and DNS RoundRobin.
  • Manage application, server, and datacenter access control.
  • Manage network and application audit trails using SolidCore S3 Control.
  • Manage VPN and Web access control using Cisco and Barracuda network devices.
  • Configured datacenter routers for MPLS, and managed licensening and patch updates on servers and applications.
  • Planned for Cisco Wave 574 for VM and server optimization.
  • Assist managing Oracle database-test and production, and datacenter failover project.
  • Some Juniper network, Blackberry, and Linux experience.
  • Work with Microsoft Exchange 2007 server, and SmarterMail 4.7.
  • Installed and configured MS Sharepoint 2007, and created share sites for Sales, Tech Support and Projects teams.
  • 24/7 administrative position.

Confidential, Silver Spring, Maryland

IS Security Administrator/Analyst

Responsibilities:

  • Supported vendor VPN traffic and application access management,
  • Security Audit for HIPAA and Privacy Act Compliancy, servers at White Oak Data Center-hospital applications and servers.
  • Built ISA server for backup IDS monitoring, and IIS, and UNIX servers for Security-Administrators, and Personnel-management (PersonMaster) databases on Oracle 11g.
  • Deployed and managed server firmware, and security updates with KB. Tru64, and TCP Wrapper updates.
  • Deployed MS and Symantec firmware and security patches using Altiris 6.7.
  • Monitored and maintained Anti-Virus definitions on security-servers running databases using Blink.
  • Assisted managing project Sharepoint site for Security Operations and project teams including Cerner.
  • Assisted Firewall/Switch rules for NetComm. group.
  • Assisted in AD Migration Project, setting up GPOs for multiple hospitals within MedStar, and troubleshooting.
  • Assisted NetOps and SecurityOps integrate Tivoli Netcool/OMNIbus into datacenter router/switch and security device monitoring environment.
  • Tested and assisted manage Solarwind device monitoring service.
  • Participated in 24hr. On-Call Rotations.

Confidential, Fort Belvoir, Virginia

Network Support Analyst-Information Management

Responsibilities:

  • Using Active Directory, MS Exchange, Cisco, and SMS managed network infrastructure.
  • Position was based on providing solutions and support to users and commanders related to new and existing technologies.
  • Planned, installed, and troubleshoot VM Ware Server 1.0
  • Extensive knowledge with LANDesk and WSUS Desktop Management tools. Deployed MS updates and security patches to XP Desktops. Manually deployed Server 2003 security and hardware patches to HP (HSG80) and Dell Servers.

Confidential, Silver Spring, Maryland

IT Security Specialist

Responsibilities:

  • Entry-level systems access control officer, working with Sr. Security Administration Officer.
  • User access flow control to Clinical Applications such as SMS Invision, ACF2 rules, NT and Novell Networks.

Confidential, Bethesda, Maryland

Systems Engineer

Responsibilities:

  • Built two Campus Area Network on TCP/IP and ISDN-dual T1, connected via Cisco 2600 and 2651 routers, and Catalyst 0 series switches.
  • Installed PIX firewalls between the two Campus Area Networks.
  • Created LANs for auto-dealership, with VLANs for each department.
  • Installed IBM HS40 Blade Servers.
  • Deployed standard RAID configurations to meet integrity and availability requirements.
  • Installed MS Exchange 2003, MS 2003 Servers via Active Directory Architecture through VLAN and secured VPN channels.
  • Created AD GPO and email sizing limitation policies.
  • Created and deploying Oracle Databases to Sun Solaris 10.2, and Linux Red Hat servers.
  • Created, deployed and managed VMware 1.0 workstations and servers.
  • Installed server backup utilities using Veritas 10, RMAN, and varies other software for Servers, Web-servers, Databases, and emails to remote data storage center, servers and tapes.
  • Built, monitored and maintained network and server health via WSUS, EcoScope 4.0, and SourceFire Snort IDS.
  • Setup KIXtart login script for Windows security (KB) and firmware (BIOS) updates to local PCs. Manually updated MS 2003, Sun/Linux servers, and Cisco routers and switches. Updated HBA PCI Fibre Channel drivers to SATA drives running Oracle Databases.

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