Jul 2013 –
present : Cisco voice network engineer, ATOS North America New York (IT
outsourcing company, supporting Disney/ABC group) - (fulltime position)
·
Work as
Level-3 voice engineer for Disney/ABC multi-cluster voice networks
·
Install,
maintain, upgrade, troubleshoot CUCM 8.6/9.1 on UCS Blades or MCS servers,
using EMC and VMware ESXi, at various locations. Implement redundancy for
business continuity plan.
·
Configure
voice gateway (Cisco 3845/3945, T1, FXS/FXO, VG224, Linksys SPA2102),
inter-cluster trunks and SIP trunks to ITSP, SRST/MGCP fallback for remote
locations
·
Configure
CUCM call routing: DN, intercom, hunt-group, voicemail profile, mobility, CTI
RP, roll-over, ringdown, callerID transformation mask, route list/route
group, route pattern/translation pattern, Location/Device Pool.
·
Configure
other CUCM server components: Cisco Unity, Cisco Unity connection, CUPS,
UCCX, CIPC, Jabber.
·
Configure
redundant inter-cluster route patterns and trunks, using Cisco SME
·
Configure
phone template, phone button template, softkey template, MOH, CDC for
deployment/migration.
·
Perform
migration from old PABX to Cisco CUCM, upgrade CUCM from lower version (7.x)
to 8.6.2 or 9.1
·
Support
customer working remote (home/vpn, other location)
·
Configure
voice VLAN on Cisco switches (core, distribution, access layer).
·
Configure
QoS on switches interfaces. Upgrade IOS.
·
Handle
add/move/change for any tasks beyond L1 and L2 network/voice technicians.
Assist in troubleshooting complex issues.
·
Perform
change in the infrastructure as per customer requirement, using HP service
manager
·
Maintain
existing documentation and network diagrams. Improve knowledge management
database.
·
Assess new
and emerging voice/network technology, lab solution and propose it to
customer/supervisor.
Dec 2012 – Jul
2013 : Cisco Field engineer, IVCi New York (fulltime position)
·
Support
corporate network (LAN/WAN, central office and remote branch), update
configuration on network devices : switch(Cisco, Dell), router/wap(cisco),
firewall(pix, ASA). Configure site to site and remote access VPN
(Anyconnect). Monitor availability and performance using SNMP based tools
(Solarwinds Orion, ScienceLogic, cloud-based tools).
·
Act as
tier-2 escalation for NOC and Helpdesk sections on networking, video
endpoints and other video infrastructure
·
Process
move and change in IP voice and video systems (cisco call manager 8.x, cisco
unity, cisco contact center express, cisco unified presence, cisco VCS, cisco
Jabber). Configure voice gateway (MGCP, H323, T1).
·
Manage
video infrastructure and systems : configure workstations and telephony/video
endpoints (local and remote users/customers) : Cisco TMS, Cisco MCU,
Tandberg, Polycom, Cisco CTS/TX endpoints, configure VCS-C/VCS-E, CUCM
(video) inter-operability.
·
Monitor
managed customers’ network. Troubleshoot connection failure and liaise with
isp/vendor for resolution.
·
Participate
in internal project and customer’s project in collaboration with sales
engineers and project managers
·
Maintain
and improve existing operation workflow, knowledge database and
documentation.
Aug 2012 – Dec
2012 : Helpdesk Assistant/SAP Roles Analyst, UNICEF New York (contract
position)
·
Process SAP
user account creation, deprovisioning, re-provisioning using Approva GRC
·
Process SAP
roles assignment to user or position, using Approva
·
Troubleshoot
authorization access using SAP security admin t-codes, LDAP to VISION
synchronization reports, Approva reports.
·
Analyze
effective roles (relation between single role and functional role) using
customized t-codes zrole and zvisa, and excel lookup spreadsheet.
·
Participate
in the SoD (segregation of duty) clean-up process for HQ, Regional and Field
Offices worldwide
·
Detect
flaws in the current business roles, the GRC software/tools and suggest fixes
or improvement (false SoD alert, issue with composite roles, etc)
·
Act as
second-line helpdesk for SAP security or roles mapping, using HP Service
Manager and MS Outlook email.
·
Analyze SoD
mitigation, broken roles, software flaws using Approva audit reports, SAP
reports, custom MS Access database queries, and suggest corrections and fixes
·
Suggest
correction or improvement to existing documentation and procedure
July 2000 –
Mar 2012 : ICT Specialist, UNICEF (full time), duty station: Madagascar, New
York, Cameroon
·
Lead and
manage the IT section, supervise two junior IT staffs and a couple of interns
·
Perform
managerial tasks for the section : draft workplan, supply plan and budget,
participate in meetings, conduct inventory, assessment and audit, write
annual report, organize tasks, coach IT colleagues, review and analyze
existing systems and suggest upgrade or replacement, draft policies for the
section based on organizational global guidelines and standards, liaise with
vendors for external services. Visit field offices.
·
Monitor,
upgrade and configure network devices : Cisco catalyst switches (1950, 2950,
3560, 3750), Cisco routers (2611, 1841, 1760, 2851), Cisco access points
(aironet 1232 and 1252), Cisco firewall PIX 515
·
Monitor,
troubleshoot device and cabling, and liaise with service provider for
telephony and internet access (ADSL, E1 line, wimax, VSAT, fiber optic,
analog telephone lines)
·
Deploy,
configure and troubleshoot computer equipments : HP desktops, laptops, laser
printers, digital senders, HP proliant servers
·
Manage
single domain/multi-site active directory (windows 2003, windows 2008), file
server, data backup, centralized anti-virus (Symantec EP), patch distribution
server
·
Administer
database server : Sybase Adaptive SQL (monitoring access, backup,
replication, simulation)
·
Administer
messaging server (Lotus Domino/Notes 8.5) : create mailfile, configure
client, manage mailing lists and access control, perform backup and upgrades,
monitor performance
·
Implement
Blackberry Enterprise Server for Lotus Domino (ver 5) and configure
smartphones
·
Provide
management oversight of helpdesk support, organize and dispatch tasks to
colleagues, troubleshoot and identify root-cause of problems, build/update a
knowledge base database for known and frequent issues. Prepare and conduct
user training (windows XP/7, MS Office 2007/2010, other corporate
applications)
·
Implement
Cisco IP Telephony system (CUCM 7), configure publisher, voice gateway (cisco
2851) with Ethernet, FXS, FXO and E1 interfaces. Configure IP phones (Cisco).
Generate monthly telephone billing.
·
Conduct IT
projects as per global rollouts (OS migration from Win XP to Win 7, from Win
2003 to Win 2008 R2, MS Office suite from earlier versions to 2010, upgrade
Lotus Domino to version 8.5.2, apply security patches to workstations and
servers, prepare and complete migration of database applications to SAP)
·
Configure
other telecoms devices : portable and mobile HF/VHF radios – Motorola/Codan),
mobile internet usb key, satellite phones and satellite modems (Thuraya,
BGAN)
·
Configure
remote access to corporate network and applications using SSL/VPN, Citrix
Presentation Server 4, Citrix XenApp and Citrix web plugins, Lotus Notes
mobile replications
·
Virtualize
10 servers into Hyper-V hosts (Windows 2008 R2)
Nov 2005 – Nov
2006 : Helpdesk Analyst, UNICEF New York, HQ (secondment position, rotational
shift, supporting all HQ offices and 160 country offices)
·
Attend
helpdesk calls or requests by email from local or remote offices and register
ticket in HP OVO Service Desk.
·
Provide
solution to request over the phone or dispatch the ticket to SME or
second-line group. Inform solution to end-user. Prepare daily and weekly
reports.
·
Participate
in project rollout phase (lab, data center, documentation preparation)
·
Analyse
recurrent problems and build a knowlegde database
Nov 1998 –
June 2000 : Hardware/Software Consultant at BULL Madagascar (full-time,
permanent contract)
Oct 1996 – Oct
1998 : Hardware/Software Consultant at IBM Madagascar (full-time, permanent
contract)