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Travelling Senior
Network Engineer
Community Health
Systems, Inc.
06-30-2015 to
03-30-2016
Nashville TN
During my
tenure working for CHS corporation I traveled to customer site and build
new networks in the data center and the Main Distribution Frame. I did:
·
New
site network planning, architecture, and standard configurations.
·
Capacity
planning for applications and performance management
·
Provided
engineering design and documentation for new sites.
·
Provided
technical support and guidance to other staff members as necessary.
·
Monitor
usage to ensure security of data and access privileges.
·
Monitor
data to optimize network performance.
·
Analyse
and troubleshoot network logs and track the nature and resolution of
problem(s).
·
Test
network solutions to insure that the output conforms to organizational
needs.
·
Configure
monitoring system to monitor equipment and made recommendation for
network & security improvements.
Senior Network
Engineer Cisco System.
02-03-2014 to
05-30-2015
Richardson Dallas
Texas
During my tenure
working for Cisco Systems i did Network System Design and
Implementation: Designs and implements network systems.
·
Network
Connectivity: Provides support for network connectivity or related
network issues for the user community.
·
Network
Installation: Plans and monitors the installation of network systems.
·
Network
Monitoring: Analyzes network activity and network problems 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.
·
Capacity
Planning: Analyzes facilities bandwidth requirements and system
interdependencies. Develops capacity planning models.
·
Disaster
Recovery: Ensures planned testing activities are performed and technical
criteria are met.
·
Network
Performance Assessment: Assesses network performance to ensure that it
meets the present and future needs of the business. Provides network
planning recommendations to management.
·
Vendor
Management: Evaluates services provided by vendors and recommends
changes.
·
Knowledge
of Enterprise system monitoring and management tools such as Netcordia
NetMRI, Cisco MARS, Splunk, What’s Up Gold, Wireshark, Websense, MRTG and
NMAP.
·
Knowledge
of commercial enterprise-level tools and products to provide network
services, including: firewalls, IPS/IDS, DNS, DHCP, web security,
TACACS+, VPN and NAC.
·
Strong
working familiarity with Cisco IOS with hands-on experience configuring
Cisco routers, switches and firewalls.
Senior Network
Engineer Mobility/LTE/Wireless.
02-03-2013 to
02-03-2014 Tekelec/Verizon
Southlake Dallas Texas
During my
tenure working for Tekelec I Performed critical design and performance
activities in customer projects independently. These included complex
problem solving in multi-vendor environment. Provided support to clients
and/or customers (typically on site) in the field of expertise
·
Managed and maintained global network of over 20 sites, supporting
corporate needs of more than 2000 users, resulting in minimized downtime
of enterprise applications
·
Worked in a large enterprise level data center supporting more than 800
network devices
·Ability
to create Method of Procedures (MOP) and configuration templates for
integration of new services or equipment for Service Provider customers.
·Worked
on LTE interfaces s1-MME, S1-U,S5,S6A,GX,S9.S11. S3, S4, S5, S8, S10, S11
and S16 (eGTP) interfaces.
·Expert
level understanding and Designing DSR.
·
Worked for change management procedure and implementation of
configuration changes during non-production window
·
Worked extensively with Nexus 7000, 5000, 2000, Cisco 6500 series
multilayer switches, Cisco 2960s series switches and Cisco 3560/3750s
switches
Set up
HSRP, VLAN trunking 802.1Q, etherchannel, VTP and inter-VLAN routing
using MSFC on Nexus 7K
· Cisco
high end router GSR/C12000. Managed software projects on new forwarding
engines to entire GSR forwarding and feature migration to new OS,
Performed design, implementation and configuration in large ISP
customers.
·
Set up VSS cluster, ether channel, VLAN trunking, VTP and inter-VLAN
routing on 6506.
·
Configure VDC, OTV and vPC on Nexus 7000 and Nexus 5000
Responsible
for creating, modifying, removing VLAN confings as per the need
·Engaged in Network Cutover for multiple sites
·Upgrade
Cisco 6500, 3750, 2960s, Nexus 5000, Nexus 2000, Nexus 7000 switch IOS
software
·Support
after hours cut-over issues, Opening trouble tickets with NOC for special
support Expert in configuring Cisco Routers, Catalyst Switches, Nexus
Switches.
·Expert in configuring Routing Protocols EIGRP, BGP, OSPF, RIP,
ATM, MPLS and Frame Relay. Expert in configuring layer2
technologies like STP, RSTP, MST, VTP, Ethechannel and VLANs
·Knowledge
in ISL, 802.1q, PAgp, LAcp, SPAN, RSPAN, Voice VLAN, Flex Links
·Knowledge
in OTV, Virtual Device context, Fabric path, Virtual Port channel and VSS
cluster
·Expert
level knowledge of Cisco ISR, 7600, 7900, ASR 1000 and 9000, Nexus 7K,
Nexus 5k, ALU 7750 and CRS platforms.
·Proficient
in creating basic and advance network layout and design with strong
implementation skills in a Service Provider network.
·Expert
level understanding of routing protocols, BGP, OSPF,EIGRP RIP and
Diameter.
Senior Network
Engineer Mobility/LTE/Wireless/IPBH
04-03-2012 to
02-03-2013 Cisco Systems/Metro PCS/T mobile
Richardson Dallas
Texas.
Senior
Network Engineer LTE/Mobility.
During my
tenure working for Cisco Systems, I provided remote network analysis,
network diagnosis, and troubleshooting of complex routing and switching
issues for 4G/LTE wireless network to ensure high availability of
Critical business operations. I also troubleshoot wireless network
elements such as UMTS, GSM (GGSN and SGSN), CDMA (PDSN or MIP HA/FA), LTE
(SGW, PGW, MME) or IMS, Diameter, DSR and PCRF.
During overnight Mega Windows I assisted customer with the implementation
(CIQ, IW, NATP, EP) configuration and troubleshooting of Cisco 7613, ASR
9k and CSR routers Cisco high end router GSR/C12000. I also worked with
test equipment like Ethernet analyzers, WAN simulators and traffic
generators. I worked on ordering, RMA and configuring Nexus 5K and 7K, I
performed routing protocols (RIP,OSPF,EIGRP,BGP) and switching
troubleshooting. I installed and configured
Security firewall (ASA 5505, 5510, 5520, 5580) and site to site VPN. I
install and deployed Linux 4.0 Redhut boxes on VMware. I was in charge of
incident and problem management during outages. Configured PCRF, Diameter
and DSR.
Senior Network
Engineer R&S, Security, Wireless.
02-07-2011 to
03-07-2012. NEC Corporation (Cisco Gold partner)/Meritus Hospital /
Buy.com
Irvin Dallas Texas
Senior
Network Engineer Consultant/ TAC (Technical Assistance Center).
During my
tenure working for NEC Corporation, I worked for different businesses and
organization such as hospitals, universities and colleges, Hotels, Auto
companies, fast food restaurants, e-commerce, government offices and city
country, law farms, call centers and service providers. I performed
several advanced and high level duties such as.
. I was
the Primary engineer for both health care and e-commerce business. I was
the highest level of escalation in case of any network, security or
wireless issues. I worked on various technology like Adaptive
security Appliance (5505, 5510, 5520, 5540, 5580), WISM, ACNS, WLC, AP,
Nexus, Switches (6500 series (both MSFC and PFC), 4500.3750 stack switches)
and routers 7200, 3640, IPS module, IDS modules. I also acted as and on
call Engineer during this role.
Manage
deployment and testing of code updates for wireless systems, such as WCS,
WiSM, and WLC. Plan and coordinate system utilization and capacity, involving
configuration and testing with vendor
Oversee planning, design, implementation, and operation of customer
networking projects. During this role, I planned , design and deployed
ACNS(Application Content Network System) Firewall, expanded core network,
implemented Wireless network, I also Participated in the specification of
customer requirements and implementation plans for technically advanced
internetworking solutions such as Scansafe and Zscaler for advance
security. I worked on migrating different routing protocol such as
OSPF,EIGRP and BGP.I also worked on resolving Single points of failure.
Reviewed
network design for network security and other risks in course of
projects. During this role I worked on performing software and hardware
analysis. I went through entire network devices to make sure that the
hardware was still supported and had maintenance contract were up to
date, I also reviewed the software for any known Bugs and perform bug
scrap, security vulnerability. I worked on different product such as ASA
Firewall, PIX firewall, VPN concentractors. IOS, CATOS,ACE, ACNS,
Tandberg management Systems. At the end of my analysis I would recommend
either hardware upgrade or software (IOS) upgrade. I also reviewed
license to make sure that the customer was running the latest license per
Cisco. I ordered, renewed and install license.
Provided
technical consultation, network implementation and device configuration.
I installed and troubleshoot services at customer locations. During this
role i reviewed crash files, performed IOS/CATOS upgrade (ASA firewall,
PIX, Wireless control, routers and switches). I also ordered new
equipments and performed RMA for defective equipments.
Performed
advanced-level troubleshooting of network device. I worked on Spanning
tree issues, routing loops, high CPU utilization, Cisco bugs, routing
(RIP V2, EIGRP, OSPF, BGP) issues, Wireless phones, voice quality issues,
HSRP, QOS, ACNS, Tandberg T1700,VPN issues, Firewall issue, I sensor,
Solar winds, Netflow and Single point of failure.
Served as
a liaison to vendors and third-party providers. I worked with third
party providers and carriers on behalf of the customers. I worked with
Service providers both local and international. Worked with carriers
like, Time Warner, Cox communication, ATT, Verizon business, Sprint, BT
(British Telecom in London), Orange (France Telecom), Vodafone (Germany
Telecom), Neotel (South Africa). During this role I acknowledge alerts
through Netcool and Smarts, created tickets, and dispatch technicians for
circuits’ issues. I also worked with Cisco to resolve customer’s issues.
02-07-2007 to
09-07-2011 CITIGROUP GLOBAL COMMAND CENTER “GNCC” Irving TX
Senior Network Engineer Consultant for Global Conference
Integration.
Worked on integrating and
certification of Video systems and applications. During this role I
worked on certifying and upgrading TMS 12.5. Worked on creating and
standardizing Video conference rooms, certifying and testing Event
management system. Worked on integrating Video end points for Smarts
monitoring. Created a module for room control equipments. Created live
feed to automated event booking between SQL database and front end
application. I also provided technical support leadership to both
integration and operational Engineers. During this role I also worked
with different routing protocols (RIP, EIGRP, OSPF and BGP) and features
to priorities Video traffic (QOS, HSRP, SNMP, Load balance F5). Worked
with different Vendors such as Cisco (2950, 3550, 3650, 4500, 6500, 7200)
Tandberg (T1700, Edge95, Edge85, Voice Gateway, MCU) PGI blackberry
British Telcom. Worked with different monitoring tools such as Smarts,
Netcool, Cisco Works, Tivoli, Cisco Content Engine management. Worked in
configuring LAN and WAN circuits. Worked with clients globally (North
America, South America, Europe, Africa and South Asia)
Global Conference Project Lead.
I was project lead for ACNS (Application
content network system) hardware, IOS, design and deployment. I did project
management to create an inventory system for Video conference systems.
Lead project to automated Microsoft office communicator to generate
billing reports, create global usage reports. Head projects to create
Video phonebook to allow for integration between MOC and Tandberg
personal system. Over sow the creation of SSIS package to automate TMS
(Tandberg management suite) data and usage information for billing and
inventory.
SYSTEMS ENGINEER II
GNO Problem management
lead.
Performed daily work duties in support of Problem management Vice
president, which included:
Process
creation: Developed, implemented and enforced new
process to ensure that the department was providing high quality value to
the organization.
Technical
review: Performed in depth technical review to
ensure that information provided to the team by the technicians were
accurate and that correct technical troubleshooting approach was followed
and problem solved within the shortest time possible with minimal outage
time to the customers. During this role I worked on different routing
protocols such as OSPF, EIGRP, RIP and BGP.
Business
representation: Represented the organization to external
business to address their needs while providing excellent customer service
during daily and weekly conference calls.
CITI
standards enforcement: Liaison with CATE
Engineering to ensure that CITI network standards are enforced and
properly deployed to make sure that we were running an excellent and
healthy network.
New
Hire Interview: Performed technical new hire interview with
an aim of recruiting excellent technicians that are able to work in a
competitive environment.
Technical
training: Conducted technical and process training to
new hires and also provided refresher courses to team member to ensure
that they were technically up to date in this ever changing technology
world.
Acting
VP: Fill-in for Vice president whenever he was
away on business trips. During this time I made sure that daily duties
were performed in a timely manner and that team members were adhering to
department rules and code of conduct.
Problem
Management/ Task Manager
Performed problem management for Citigroup Global Command Center
using Executive Monitoring system (Application). All Network outages were
analyzed to justify down time, troubleshooting steps, business impacts
(Monetary value). Represented the department during conference calls with
other departments, vendors and external customers to discuss these
outages. During these calls I was responsible for translating technical
aspect of the outage to a simple version where everybody that was not
technical orientated understood the outage. Send out post mortem to our
clients as a follow up after the outage. Participated on follow up conference
calls after the outage or if the business needed to recreate outage
scenario. As a Task manager I was responsible for following up with
different businesses, vendors, contractors and Carriers to make sure that
future preventative action plan was completed and that any outage that
could be prevented never happened again. I was responsible for
documenting any process, procedure or network diagram that need to be
implemented in order to shortage or make troubleshooting easy during the
outage Acted as a led during network outage to make sure that all
necessary technicians and support like Firewall group, business to supply
the impact, DNS, Carriers and correct Level of engineering were engaged.
If escalation was needed I engaged the correct group to make sure that
the issues were escalated.
Troubleshoot Network
outage
Troubleshoot
network and firewall problems during outage. This included
troubleshooting routing (RIP, OSPF, EIGRP, BGP) Carriers Circuits issues
(DS3, T1, T3, OC3, OC45 TenGig, E3, CSPAN undersea cable), Application
latency issues, VOIP issues E-mails and DNS. I worked on Cisco Routers
and Switch (2950,3550,3650,3750,4500,6500,7200)
Level
II Level III Escalation Manager
Acted as a transition
between Level II and Level III Engineers, I reviewed all Level II trouble
tickets using Virtual Tech (ticketing application) to filter unwanted
tickets from being escalated to level III. Made sure all routing (RIP,
EIGRP, OSPF and BGP), capacity, IOS version, circuit issues with the
carries were properly addresses before escalating the tickets to Level
III Engineers. In some cases I submitted change control to perform IOS
upgrades or change routing in order to fix device monitoring instead of
escalating the tickets.
Migrating local sites
and branches to MPLS from Frame-relay.
Designed and
implemented migration from frame-relay to MPLS in order to improve QOS,
consolidate to single infrastructure, and cost saving.
COB
(Continuity of business) Test Performed continuity of business test on Citi Financial branches
and Morgan Stanley bank. Designed and deployed highly resilient
infrastructures incorporating firewalls, routers, switches and servers
through to complete e-commerce solutions. This design ensured that all of
the systems are fully resilient and completely backed up on a regular basis.
The process avoid incidents by identifying risks and taking preventative
measures, enhanced client confidence through thorough contingency
planning, ability to continue to operate in the event of an incident and
ability to relocate and operate quickly in the event of a total loss of
facilities.
Performed headed failover test for various businesses to ensure
Network redundancy test during outages. Shutdown 1500 smith Barney, 5000
CitiFinancial and 300 Private Bank branches every quarter and failover to
the backup headed. Managed conference call during the change control time
to make sure that all the business groups, application check outs and
technicians were present.
Upgraded
operating system on Video Conference
gateway. Certified performed development and UAT testing before upgrading
gateway in production network. The upgrade facilitated a more reliable
operating system, alleviated bugs and provided more features and
functions.
IPSLA.
Designed and implemented IPSLA (Ip
service level agreements) on the core network to generate time-based
network and services performance data. This enable network uses and
customers to assure new business-critical IP applications, as well as IP
services that utilize data, voice, and video users can verify service guarantees,
increase network reliability by validating network performance,
proactively identify network issues, and increase Return on Investment
(ROI).
ACNS.
Designed, ordered hardware and implemented
Application Content network service. Enterprises to deploy a highly
scalable, reliable, and manageable network infrastructure for video
business applications across a Wide Area Network (WAN). This
infrastructure allowed for deployment of more effective and timely
delivery of video for, Corporate Communications , eLearning and Digital
Signage.
Upgraded
operating system on Video Conference
Multipointcontrol unit. Certified performed development and UAT testing
before upgrading MCU in production network. The upgrade facilitated a
more reliable operating system, alleviated bugs and provided more
features and functions.
Network
Device reconciliation
Submitted necessary change control to make sure that devices were
being reconciliation to Smarts (Monitoring application), this involved:
-Changing routing information to make sure that devices were
responding to SNMP (Simple Network Management Protocols)
-Changing routing traffic to make sure that traffic was being sent
to the correct firewall to prevent Asymmetric routing.
-Upgraded device IOS code version to make sure those devices had
correct MIB.
-Decommissioned old configuration like Old VLAN, HSRP
configuration to eliminated unwanted alerts.
01-17-2007 to
07-01-2007 AT&T “NATIONAL IP RESOURCE CENTER “ Plano TX
SYSTEMS
ENGINEER
Monitoring the multi-customer ISP network environment using SMARTS
and NETCOOL ,for event notification acknowledgement, correlation, and
notifying the affected customers in a rapid manner, Monitored circuits
like T1,Mult bundle T1,Frame relay,DS3 circuit, DSL,ADSL,SDSL and OC3
circuit
Troubleshooting
complex Layer 1 through Layer 3 technical issues like
BGP,
OSPF,EIGRP and RIP routing protocols and route redistribution,
Interface
with customers during troubleshooting, resolving, and communicating technical
issues, event notification and the status of network.
Working on
special projects like MPLS and Internet based product, service
development and improvements.
Assist in
trouble ticket and technical escalation path forward
and resolution.
Network
monitoring and troubleshooting from layer one (Frame, Point to Point,
ATM), to layer three (routing with above listed routing protocols) though
SMARTS and NETCOOL
Support
NVPN customers and notify them when the circuit is down in order to do
intrusive testing.
Troubleshoot
VPN, internet connectivity and firewall issue with customer.
Made DNS
changes for customers and help them setup Zone file
Troubleshoot
e-mail issue and educate customers on how to setup and use their e-mail
client.
VOIP troubleshooting no dial issue ,static on
the line ,disaster call routing ,911 check during maintenance
05-27-2004 to 01
-16-2007 COX COMMUNICATION “Suddenlink communication”
Tyler
TX.
System
Support Engineer I NOC( Network Operation Center)
Network
monitoring: Monitor the Network
(plant monitoring) though (NETCOOL) and made sure that there are no
outages or pending outages that needs to be resolved,
Telephony /VOIP–porting
telephone numbers, took escalated calls for complex troubleshooting, like
no dial tone, soft switch problems, call Routing issues, opening disaster
call routing in case of an outage, update firmware on MTA modems,
Maintenance
at night -working with both the company Field
technicians and contractors to do maintenance during maintenance window
at night which involve creating tickets, logging the ticket with detail
information about maintenance, doing 911check for VOIP markets before
taking the plant down for maintenance, verifying that plant is working
after maintenance by looking at the routing table, OSPF neighbors,
tracert and ping. Close tickets, set customer impacts and time and graph
the outage for visual view. Maintenance involved Cuda, Fiber Node, set
light receiver, trunk lines, Microwave and feeder line
Network
problem troubleshooting:
Working
with Level II and III engineers together with FSR though conference call
(opening bridge) to solve problems like, routing protocol issue ”OSPF,
EIGRP, BGP”, slow speed issue, network bandwidth issue, IP issues, DHCP
problems, ACL problem and SONET problems
Provisioning – Solving complex problem between the billing software
(ICOMS) and provisioning switch (SOFTSWITCH) which involve manual send
transaction that are pending in fast flow
Network health status:
Report network reliability to FCC though
creating and closing tickets accurately, making sure that outage/minutes
is reported correctly
Tower-
Monitoring company tower to make sure that beacon and flash bulb works
for airplane pilot to visual see the tower, reporting faulty tower to FCC
so they can open NOTAM and warn the pilots of faulty towers. Doing
quarterly test to make sure that the towers are working and logging the
information to be reported to FCC
Power
supply: verify both backup power supply and regular
power supply, open project tickets, dispatch techs and follow up to make
sure that the assigned job is fixed
Call
center –Helping the call center to identify
impeding problems before they occurred so they can better prepare for
spike in call volume, posting outages so agents call easily fix problems,
taking escalation calls from level I to III including team lead.
Maintaining excellent communication with the call center to better help
our customers easily and reduce call volume so we can have excellent
service level
Roll
over calls: Take Roll over calls from backbone which
involve question about OC3, 0C12, OC48, flip flopping T1, T2, and T3,
OSPF adjacency BGP problems,DS3 and SONET ONS problem
After
Dispatch: Dispatch single customer issue after hours
for the entire company, this involves auditing the problem, opening
tickets, assigning the job to field techs, doing safety check, providing
necessary support for the technicians to fix the problem and closing the
ticket with correct time spend to fix the problem.
Helping
FSRs- Field service technicians- troubleshoot
complex customer problems
TV
GUIDE: Working with addressable technicians on issue like IPG gear,
Bigband network, set light receivers, and TV Guide
07-15-2002 to
05-25-2004 Cox Communications Tyler TX
Phone number
903-266-4500
Technical
Support Tech III
Troubleshoot
complex computer problem, like ARP caching problem, firewall issue,
viruses, took escalated calls from level I and II agents, managed EWFM (E
work force management) for the call center and help technical support
supervisors with strategies on how to better train agents
Technical
support Tech II
Troubleshoot
computer related problems, like e-mail issue, internet problems, NIC
problems, IP address problems, Microsoft windows problem, ant-virus,
spyware and firewall issue. Sale cable products and services while
troubleshooting
07-20-2002 11-02-2003
TCIM Service Longview TX
Phone Number (800)
952-2613
Customer
Service, Auditor. Third party verifier
for the sales department. Monitored recordings and verified that sales
transaction were placed with the customer
06-14-2002 Wiley
College Marshal TX
Phone Number
903-927-3300
Tutor. Tutoring in College Math, Calculus and Basic
Programming
10-01-2001 01-14-2002
Hampton inn Marshall TX
Phone Number
903-758-0959,
Night
Auditor. Balanced and recorded cash and credit
transactions for the business day and reported to the manager
01-18-2000 09-08-2001 SITEL Co-operation
Longview TX
Phone number 1- 800
952-2613
Customer
service, Data
entry –Analyzed call volume from each department (Macintosh, windows and
Phillips), monitored transferred calls and made sure calls were being
handled not just transferred to other departments. Submitted daily
reports to management
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