NDIFREKE SUNDAY OKORIE
Plot 912 Alex Ekwueme Way,
Jabi Abuja FCT, 240102, Nigeria
IT Manager with over 10 years of combined international experience in delivering tailor made, mission critical IT solutions in senior level assignments in ICT Infrastructure / Information Systems Management and Active Directory Server Administration. Offering a solid track record of creating innovative, customer-centric strategies that translate into long-lasting benefits in terms of service quality and market share. Proven ability to thrive in fast-paced environments and leverage excellent communication skills to perform effective sales presentations, develop and maintain positive business relationships, and liaise between various stakeholders to implement optimal solutions and instill a culture of excellence.
SKILLS & COMPETENCES
==NETWORKING & SECURITY==
u Advance computer network skills gained throughout my 20 years ICT industry experience
u Wireless local loop installation, management and VSAT installation and management.
u Layer 2 switches Expert (spanning tree, VLAN, QoS, VoIP), in-depth experience with routing (OSPF, EIGRP, BGP)
u Cisco products; connecting, administering and troubleshooting TCP/IP based networks.
u Advance IT Security skills gained on the job as an IT Manager and through CISSP training and first exam attempt in 2014/ 2015 respectively.
u Implementing security using Linux servers, VelociRaptor, Cisco Pix, Juniper and Check point Firewalls
u Penetration testing and Ethical Hacking skills (with Kali Linux)
==OPERATING SYSTEMS & TECHNOLOGIES==
u All versions of windows server OS and Active Directory implementation, support and administration in a mixed protocol environment
u All versions of windows workstations and Mac OS
u Linux and Unix experience in an ISP environment (administering and supporting DNS(s) )
u Working knowledge of these technologies: LDAP, Apache, MPLS, HTML, Active Directory & DNS
u Cloud computing /Virtualization Experience : Citrix, VMware, Oracle VM VirtualBox & HyperV
u WSUS & SCCM administration
==PROGRAMMING & SOFTWARE==
u Good command of scripting skills (java/ VB/ batch scripting) gained as a webmaster at starnet/ Service-trail ISP
u Good MATLAB and Python skills (Data Science with Numpy, Full stack development with Django, Object Oriented Programming with classes, etc)
u Programming skills with Visual Basic 5 & 6, and ease of porting to dot net
u Relational Database Migration Skills plus SQL Server and IIS implementation, support and administration
u SharePoint Server 2007, SAP & GLPI
u Good command of photo editing software (photoshop/CorelDraw) gained as a webmaster for starnet ISP
u Good command of office suite (word processor, spread sheet, presentation software)
u Linux Sendmail and Microsoft Exchange 2010 administration
u Mailing: Configuring and administering Radius NT on Emerald Database, and MailSite SMTP server sitting on MS SQL.
u Voice Circuit implementation and management, using access servers like Cisco AS5400 HPX
u Telecommunication experience acquired since1999 and used till date. Running, terminating, crimping of Heliax cables, coaxials cables, LMR series cables etc. Experience in Tsunami, Teletronics, Rocket, Avarion Radios (Can configure and implement just about any Telecommunication device)
u Help desk support (Level 2 and 3)
Bouygues Construction Nigeria Limited, Nigeria
Apr 2013 – Present
u Managing the IT staffs (assistant IT managers included).
u Conducting frequent travels to sites in Abuja and outside Abuja (Calabar, Bonny, Port Harcourt, Benin, Lagos),or monitoring, supervision, audit, problem solving and training of site IT Administrator/users.
u Analyzing business needs and spearheading initiatives regarding establishment of IT infrastructure.
u Ensuring application & compliance with company’s policies in administration of IT infrastructure / facilities.
u Carrying out the daily coordination of the IT Team.
u Managing Active Directory, Citrix, MS Exchange 2010, SAP Applications.
u Setting up & managing LAN, WAN, VPN, Cisco Routers 1800 & 2800, HP A3600 and H3C S3600 Switches, Dell PowerEdge R720 & R730 Raid setup and preparation.
u Implementation of Checkpoint Endpoint and Juniper firewalls for Bouygues in two major gateways in Nigeria
u Fibre implementation and monitoring. Long distance Wireless local loop planning, implementation, optimization and managing.
u Deftly interfacing with Bouygues Group International IT Body in France.
u Network Security (familiar and comfortable with the application of CISSP domains teachings), Information System Management (Asset management platforms).
u Advance Python scripting /MatLab development skills.
u Backup Exec Implementation and Management + Dell PowerVault TL2000 Management. Backup and Disaster Recovery planning
u Managing IP PBX Mitel MiVoice Business Release 7.0 SP1 /SIP Support (TOIP) & Level 1 & 2 Support.
u Successfully revamped IT procedures, policies (Security) and company-wide IT handling.
u Relocation of an entire head office server equipment to a new location + 3 MPLS sites connection + 1 wireless local loop site within 3 days.
Cotecna Destination Inspection Limited, Abuja, Nigeria
Assistant IT Manager
Dec 2008 – Mar 2013
u Managed not less than 3 employees and contributed in the knowledge transfer to IT staff in the Nigeria Destination Inspection offices in the North regions.
u Oversight functions of the Northern part of Nigeria with visits to Kano, Katsina and Borno.
u Visited northern states for supervisions and training of site staffs.
u Looked after the production of reports on IT activities, to be transmitted to technical supervisor, CC administrative supervisor
u Monitored 1st level Sites inventory and hardware renewal
u Single-handedly ensured the following as per CITT standards, or (if not applicable), as per specific documented procedures:
o New infrastructures deployment.
o Network, servers and workstations – monitoring, preventive maintenance and administration, documentation and definition of policies.
o Administration of local OU in ADS (users and computers).
o Computer patches and latest service packs installation (except for windows 2000 Domain Controllers).
o Proposals / project planning for infrastructure enhancements.
o System administration (server, workstation, ISA, windows update, switches, patch panels, connecting, monitoring, Citrix support, etc.).
o Up-to-date virus protections, especially for Workstation and Member servers.
o Tape backups on a daily basis, as per recommended strategies.
o Control and maintain the use of the PABX infrastructures.
o Work as a Systems/Network performance analyst
o Fibre monitoring.
o Server recoveries (except Windows 2000 Domain Controllers).
o HP Proliant Range of servers management.
o 1st level helpdesk.
u Setting up Valuation and Classification Center of excellence IT production infrastructure
u Running the IT infrastructure and administration of Abuja and the Entire Northern part of Nigeria for Cotecna.
Packetech Network Solutions Limited, Uyo, Nigeria
Feb 2006 – Nov 2008
u Resource person and business executive.
u Network security implementations.
u Vsat field engineering.
u Hotspot building.
u Built the first Wireless Internet Hot-Spot for the Akwa Ibom State Judiciary.
u Acted as a management consultant and implemented a wireless base station for Valimoh computers (an upcoming ISP in Uyo, Akwa Ibom State Nigeria).
EDUCATION & TRAINING
u Bachelor of Science degree (Honours), University of Calabar, Nigeria.
u Penetration Testing and Ethical Hacking Training _2019 Cybrary
u CISSP Training (2014) and Exam (2015)
u Voice switching over packet network (with ss7 and q.931 signaling capabilities) Training _2003 Redwood tech, London
u Customer Service Training _2009 by Kimberly Ryan, Lagos
u Quality Management Systems Training _ 2009 Cotecna
u Business Ethics And Compliance Code Training _2009 Cotecna
u Business Ethics And Compliance Code Training _2010 Cotecna
u Performance Appraisal Training _2010 Sustainability Ltd, Lagos
u Strategic Management Training _2011 Psyntech, Lagos
u Configuring, Managing And Maintaining Windows Server 2008 Training _2011 KarRox, Lagos
u Assertive Communication Skills For Managers And Team Leaders Training _2012 Pan-African University, Lagos
u English – high level of competence
u French – Basic and growing skill