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Senior Network Engineer Resume

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Van Nuys, CA

SUMMARY

  • IT Professional with extensive experience in network infrastructures from engineering, architecture, and design to support.
  • me have been delivering cost - effective and high-performance technology infrastructures for national and international growth.
  • Extensive expertise managing critical IT infrastructures requiring high SLA availability. Key core qualifications include:
  • 10+ years of experience in network and telecommunication infrastructures.
  • Extensive Hands on expertise in the architecture, design, implementation, and operations of datacenter, global networks and infrastructure technologies supporting multisite and multinational IT platforms led by the most critical, complex, and hard time-sensitive IT projects.
  • Supervisory and Management skills. Managed budgets in excess of $20 Millions.
  • Extensive Telecom/Voice experience including support of Nortel, Avaya, and Cisco PBX systems using conventional TDM and VOIP standards running over 3500+ concurrent.
  • Extensive Hands on experience in Architecture, design, and global CISCO network implementations from small to very large global infrastructures.
  • Extensive real experience installing, configuring, and maintenance of network devices including but not limited to: Cisco Routers Nexus 7K, 7200, 3800, 3600, 2800, 2600, and 1700; Cisco Switches 6500, 4948, 3548, 3550, 3560, 3750, 2900, and 1912; Load Balancers devices; WAN acceleration devices; Wireless equipment; etc
  • Extensive experience in network monitoring and troubleshooting techniques.
  • Extensive experience building, supporting, and management of critical 24x7 high-availability IP networks and infrastructures including networks, servers, databases, and storage devices distributed geographically among several national and international data centers.
  • Responsible for large networks including a worldwide MPLS cloud for over 70+ countries, an IPVPN cloud using Juniper/ASA/SonicWall; an international full redundant network consisting of DS3 Lines running throught two different countries landed in a full mess METROEthernet/VPLS and SONET ring.
  • Specific noledge and experience:
  • Experience in large national and international sites with over 20+ remote locations.
  • Strong Knowledge of TCP/IP and IPv4 (limited noledge of IPv6).
  • Strong noledge of LAN concepts such as VLANs, trunking and spanning-tree, QoS and VoIP.
  • Strong noledge of WAN technologies such as EIGRP, BGP, and telco circuits (T1, T3, OC3. OC12).
  • IP addressing design and subnets.
  • Knowledge of network design and architecture.

TECHNICAL SKILLS

Telephony Environment and PBX: Sansay VoIP Gateway and Session Controller (VSXi), Avaya (8700, 8710, and 8730), Nortel (11C, 81C, 1000E, 1000T), Cisco Call Center, Panasonic, Digium Switchvox, Asterisk, and TrixBox. ADTRAN, AUDIO CODES. IVR, Tex-to-Speech, CTI, Predictive Dialers, Microsoft Communication Server. CMS. Voice Recording (NICE, MIAREC) and Forecasting (IEX). H323, SIP, CODEC G711, G729, G723, G726, G728. TDM, VoIP, SIP.

Networking and Security: RIP, EIGRP, OSPF, BGP, MPLS, Fiber, Gigabit Ethernet, Voice-Over-IP, Frame Relay, IPSEC VPN, Multi-Cast, Cisco Works, Orion, Manage Engine suite, Wat’s up Gold, Orion Solar winds, AAA, Cisco and Juniper SSL VPN, Checkpoint, T1, T3, DSL, MPLS, Metro-Ethernet, CSA, RSA Token, Citrix Access Gateway, and Access-list.

Systems Hardware: Cisco Switches (6500, 4948, 3548, 3550, 3560, 3750, 2900, and 1912), Cisco Routers (Nexus 7x, 7200, 3800, 3600, 2800, 2600, and 1700), Load balancer, Cisco VPN Concentrator 3000, Cisco ASA and PIX, Fortigate firewall /VPN, HP Proliant Server (ML/DL/Blade Servers), Riverbed, HP Network Printers, Dell Servers, Overland / Quantum Backup Library (DLT, SDLT, LTO 2, LTO3, and Fiber), Fiber switch (Cisco, Brocade, and HP), and SAN (NetApps, HP and EMC).

Software/Operating AND Databases: Windows Infrastructure, Apple, Linux, UNIX, Citrix MetaFrame, Microsoft SQL Server, ORACLE, MySQL, Access.

Systems/Applications: Oracle eBusiness Suite, SAP Business One, Dynamics, Presentation Server 4.0 Server, XenApp, XenServer, XenDesktop, Citrix MetaFrame Server, SQLServer, Terminal Services, Exchange Server, BlackBerry Enterprise Server, IIS, Apache, DHCP, DNS, WINS, VMware, VERITAS, Norton Anti-Virus, MacAfee Anti-Virus, Visio Professional, Outlook, Microsoft Office, MS Project, Track it Ticket System, NETIQ, ORION, Smoke Ping, Angel, Symantec, Norton, Manage Engine, FTP, Flash, Dreamweaver, Photoshop, SharePoint, MySQL, PHP, Nagios, SVN, and Software Development Life Cycle.

PROFESSIONAL EXPERIENCE

Confidential, Van Nuys, CA

Senior Network Engineer

Responsibilities:

  • Responsible for the LAN/WAN/MPLS/Internet Network operation of a large hospital complex in Van Nuys, CA, with over 8,000 nodes.
  • Responsible to migrate all network devices and infrastructure to the new NAGIOS XI application.
  • Configuration and administration of firewalls, routers and switches (ASA CLUSTER 5520, 7400, 3900, 3750G, 3750, 3560, 3560G, and 6509Responsible for all routing and switching technologies (Cisco Systems).
  • Responsible for dual Cisco ASA 5520 firewall management and administration.
  • Responsible for several IPSEC VPN tunnel configuration, management and administration.
  • First level of escalation when network outages happen, responsible for problem solving and escalation notification. Perform in-depth network services troubleshooting and monitoring. Maintain proactive network monitoring alerting.

Confidential, Sylmar, CA

Senior Network Engineer

Responsibilities:

  • Responsible for the MPLS Network operation of a retail store consisting in over 26 Store locations across Southern California. Implemented BGP, OSPF and EIGRP routing protocols for the enterprise network. Configuration and administration of switches, routers, Motorola AP’s RFS4010, Cisco ASA, ORION monitoring system, etc… Provide all technical support for LAN, WAN, and remote stores.
  • Responsible for all routing and switching technologies (Cisco Systems).
  • Responsible for all companywide VoIP telephony using Digium Switchvox IP PBX.
  • Responsible for Cisco ASA 5510 firewall management and administration.
  • Responsible to provide different backup and DR capabilities including and not limited to IPSEC VPN tunnels to route data and voice during any circuit inoperability.
  • First level of escalation when network outages happen, responsible for problem solving and escalation notification. Perform in-depth network services troubleshooting and monitoring. Maintain proactive network monitoring alerting.
  • Evaluation and deployment of new network services as needed. Assist with the design, evaluation, selection and installation of improvements related to data network.
  • Vendor Management
  • Development and maintenance of network disaster recovery procedures
  • Maintain 99.99% SLA as network goal established by IT management.

Confidential, Los Angeles CA

Network Engineer / Architect

Responsibilities:

  • Responsible for managing multiple network (data and voice) projects.
  • Responsible for all routers, switches and other LAN/WAN equipment for the company and for managed services. Responsible for all the installation and configuration of routers and switches. Use BGP, OSPF and EIGRP routing protocols to provide routing mechanism for corporate and customer network infrastructure.
  • Responsible for all network and telecom technical support. Provide technical and network support for all troubles and problems.
  • Responsible to design and deliver Data Center and Hosting solutions leveraging Ethernet and Fiber Channel Switching, and Unified Computing Systems technology solutions to new and existing customers throughout Southern California area; Partner with sales teams to develop architectures leveraging server, storage, and switching technologies to deliver value-driven technology solutions.
  • Responsible for architecture, design, implementation and support of a Service Provider Network Infrastructure operation. Configure, install, administer, and operate telecommunications systems that support high internet, MPLS, and phone connectivity including local and long distance.
  • Educate customers on products, technologies, and solutions offerings. Analyze customers' challenges and needs, design and present strategies and ROIs, and assist in deploying technologies and best practices across enterprise data centers.
  • Provides support and scaling of IP-Telephony solutions
  • Provides support when necessary to assist, troubleshoot, or diagnose network issues
  • Document support related issues and common tasks performed by local staff and create step by step procedures.

Confidential

Manager of IT - Senior Network Engineer - Principal Architect

Responsibilities:

  • Principal network and infrastructure architect/engineer.
  • Opened 3 new data centers in USA and El Salvador in support of the company’s rapid growth, and transitioned IT to a network centric topology to better meets its business-process driven role.
  • Led a series of upgrades and application enhancements, including the replacement of obsolete systems, hardware and software with new LAN/WAN technology.
  • Responsible for the BPO/call center technology operations for over 3,500+ stations distributed within 9 locations and 4 countries running-out from an AVAYA PBX system 8730.
  • Maintained network uptime of 99.90% as baseline of our department. Provided network uptime to clients and customers in a weekly basis and as requested. Main expositor of client’s technology network uptime concerns and meetings.
  • Responsible for Confidential ’s vendors, carriers, and providers relationship including contract negotiations, agreements and commitments.
  • Some Projects and relevant accomplishments:
  • Leader of the PCI-DSS security certification for Confidential Panama. Project completed within a very aggressive timeline as well with very tight budgeting allocation.
  • Technology leader for the implementation and deployment of six call center sites in three countries.
  • Implemented and negotiated network communication lines saving up to 30% of the cost by implemented centralized network management and generated strong vendor business relationships.
  • Implemented the VzB-MPLS US based network to provide clients and customers easy and managed connectivity and interconnection to Confidential network infrastructure (over 12 PIP’s). Use BGP, OSPF and EIGRP routing protocols for BCP and disaster recovery systems.
  • 24x7 Network Operation Center and Monitoring implementation and deployment.
  • Server virtualization using VMWare Infrastructure, HP Blades, and EMC SAN to consolidate servers and create DR/BC plans.

Confidential, Torrance CA

IT Operations - Manager

Responsibilities:

  • Set and measure IT operations operational objectives by maintaining current system functioning. Managed assigned projects to ensure on-time and on-budget results, and with the goal to improve business processes and performance.
  • Responsible for Confidential vendors, carriers, and providers contract negotiations including but not limited to business relationship management, agreements and commitments.
  • Responsible for all IT assets of three world-wide geographically disperse data centers (Torrance CA, San Diego CA and Denver CO), 1000+ servers, WWW-MPLS network, and 30+ Nortel 1000E/81C systems distributed globally along worldwide countries, 300+ Cisco routers/switches/PIX, EMC/EVA/SATA SAN, 3000+ desktops, and multiple ORACLE/SQL instances (Oracle RAC, 11i application, Linux 4).
  • Responsible for a very large server implementation consisting in Windows and Linux (mostly RH9) for Corporate Production systems like websites, internal applications and others, Development and QA environments, etc. Responsible to support global applications and databases running ORACLE ERP suite. Managed Enterprise Black berry services, Terminal services, Citrix, Exchange, Active Directory, DNS, and application server environment. Evaluation and recommendation of new technologies and operational systems.
  • Responsible for the building relocation project from La Cienega/Century blvd building to Torrance CA, dis relocation also included the logistics, execution, and planning for the datacenter consisting in over 500+ systems, the Nortel PBX system which was migrated from an 81C TDM system to a full VoIP 1000E/1000T system.
  • Responsible for a world wide MPLS network interconnecting offices around the world using as backup lines Perebit equipment over DSL lines. Responsible for the local OC48 SONET fiber ring interconnecting Century City, Torrance, and Encino. Multiples DS3 lines interconnecting three data centers.
  • Responsible for the VMWare consolidation project in which consist the virtualization and consolidation for over 100+ servers into Virtual servers with an estimate budget of $0.5M. Designed and deployed HP blade servers, VMWare, and EMC SAN to consolidate the server data.

Confidential, San Fernando CA

Systems Consultant

Responsibilities:

  • Responsible for Confidential ’s vendors, carriers, and providers contract negotiations including but not limited to business relationship management, agreements and commitments. Member of the Disaster Recovery Committee responsible for the Company’s DR and BCP.
  • Direct responsible for three Nortel Voice Systems (81C/11C/1000E) spread out to three different locations. Part of the IT management team responsible for the implementation of the “Primary Data Center” and “Disaster Recovery Center”. Confidential ’s equipment inventory within two data centers includes 500+ servers, 150+ Cisco routers/switches, 1500+ desktops and thinks clients, and three Nortel Communication Systems.
  • Responsible for all network and computer operations center activities including but not limited to handling issues escalated from technical support and network operations for resolution, etc.
  • Relevant projects and accomplishments:
  • Built-out and Expansion of the Tijuana Contact center to support over 800+ contact center seats.
  • Implementation of the PDC (primary data center) and DRC (Disaster recovery center) and its components.
  • Implementation of DRC-Nortel 1000E configured in Standby mode to provided disaster capabilities in case inoperability of the PDC-Nortel 81C

Confidential, Cerritos CA

MIS Manager

Responsibilities:

  • Designed and implemented data & voice networks, by planning, designing, engineering, security, and capacity planning the IP network. Responsible for overseeing design and planning, as well as, handling issues escalated from technical support and network operations for resolution.
  • Influenced network policy by recommending standards, budget constraints, and long-range objectives. Satisfy current and projected organization requirements by researching, evaluating, and recommending software and hardware.
  • Developed and implemented organizational technology and financial strategies, policies, and procedures in the field of IT networking, administration, and operations. Recommend security standards and procedures for the enterprise. Coordinated and supervised all technical activities of the network and computer systems for 500 personal computers.
  • Responsible for a 24X7 international network environment that include Cisco VPN, National Frame Relay Connections, ISDN, DSL, T1, Wireless line communications, 50 Cisco Routers, 4 PIX/Firewalls, and 4 IDS.
  • Implemented of disaster recovery procedures, back-up procedures, and information security and control structures for the enterprise network. Create, maintain and manage internal operating policies and procedures within IT best practices to reaffirm Technology Services SLA.
  • Responsible for three AVAYA-Definity Model R7G3 Telecommunications system for over 300 call center station. 10 Right-Fax servers support Confidential daily operations.
  • Responsible for an 24X7 world wide IT networking operations environment that include over 150+ mission-critical servers.

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