PERSONAL INFORMATION
NDIFREKE SUNDAY OKORIE, MCSE, CCNA, TCP/IP Admin,
Python programming / CISSP skills

 Plot 912 Alex Ekweme way, Jabi Abuja-FCT, 240102, Nigeria

 +234 706 401 9635

 [email protected]

https://www.linkedin.com/in/ndifreke-okorie-6a105328/ 

: Ndifreke.Okorie

Sex Male | Date of birth 24/12/1972 | Nationality Nigerian

POSITIONs Applying FOR
personal statement
IT Manager, IT Infrastructure Manager, Application support, System Analyst, ETC.

Seeking to deliver tailor made, mission critical IT solutions in senior level assignments in ICT Infrastructure/Information System Management and Server Administration; with a leading organization of repute.

WORK EXPERIENCE
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Apr 2013 – Present
IT Manager

Bouygues Construction Nigeria Limited, Abuja, Nigeria

• Managing a team of 5 IT staffs (an assistant IT manager included)
• Frequent travels to sites in Abuja and outside Abuja (Calabar, Bonny, Port Harcourt, Benin, Lagos) for monitoring, supervision, audit, problem solving and training of site IT Administrator/users
• Analyzing business needs and spearheading initiatives regarding establishment of IT infrastructure
• Ensuring application & compliance with company’s policies in administration of IT infrastructure / facilities
• Carrying out the daily coordination of the IT Team
• Manage: Active Directory, Citrix, MS Exchange 2010, SAP Applications
• Setup & Manage: LAN, WAN, VPN, Cisco Routers 1800 & 2800, HP A3600 and H3C S3600 Switches, Dell PowerEdge R720 & R730 Raid setup and preparation.
• Fibre implementation and monitoring. Long distance Wireless local loop planning, implementation, optimization and managing.
• Deftly interfacing with Bouygues Group International IT Body in France
• Network Security (familiar and comfortable with the application of CISSP domains teachings), Information System Management (Asset management platforms)
• Advance Python scripting and development skills
• Backup Exec Implementation and Management + Dell PowerVault TL2000 Management
• Managing IP PBX Mitel  MiVoice Business Release 7.0 SP1 /SIP Support (TOIP) & Level 1 & 2 Support

Highlight:
• Successfully revamped IT procedures, policies (Security) and company-wide IT handling
• Relocation of an entire head office server equipment to a new location + 3 MPLS sites connection + 1 wireless local loop site within 3 days
Business or sector CONSTRUCTION

Dec 2008 – Mar 2013
Assistant IT Manager

Cotecna Destination Inspection Limited, Abuja, Nigeria

• Managed not less than 3 employees and contributed in the knowledge transfer to IT staff in the Nigeria Destination Inspection offices in the North
• Oversight functions of the Northern part of Nigeria with travels to Kano, Katsina and Borno.
• Travels to these northern states for supervisions and training of site staffs
• Looked after the production of reports on IT activities, to be transmitted to technical supervisor, CC administrative supervisor
• Monitored 1st level Sites inventory and hardware renewal
• 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
Highlights: Meticulously contributed in:
o Setting up Valuation and Classification Center of excellence IT production infrastructure
o Running the IT infrastructure and administration of Abuja and the Entire Northern part of Nigeria for Cotecna.

Business or sector Trade Facilitation

Feb 2006 – Nov 2008
CTO

Packetech Network Solutions Limited, Uyo, Akwa Ibom State, Nigeria

• Resource person and business executive
• Network security implementations.
• Vsat field engineering
• Hotspot building

Highlights: Built the first Wireless Internet Hot-Spot for the Akwa Ibom State Judiciary. And    also acted as a management consultant and implemented a wireless base station for Valimoh computers (an upcoming ISP in Uyo, Akwa Ibom State Nigeria).

Business or sector ICT

Mar 2003 – Jan 2006
Systems Administrator

Service-Trail Nigeria Limited (ISP & International Prepaid Calling Card), Uyo, Akwa Ibom State, Nigeria

• Managed a team of 3 IT staff
• Design, Setup and administering the Internet data dial-up network and the entire ISP’s systems and servers
• Design and maintenance of the company’s Web site.
• Setting up and managing the entire network security with Cisco pix firewall
• Windows, Linux and Vmware migration skills and techniques
• Setup and managing of the International Voice gateway, using Cisco voice equipment (AS5400) and E1 lines with an SS7/Q.931 capable telecom voice switch.
• Setting up of an ultra-modern cyber café for the company, using protocols / Standards like NAT, Proxy Servers, Making Windows 2000 Advance Server a network router, DHCP, Static IP addressing, etc.
• Vsat Installation and management
• The initiator and implementer of STN’s wireless network

Highlights: Gave some wireless internet implementation advice that saved the company hundreds of thousands of money in the local denomination (i.e. the choice of wireless radios and the architecture).

Business or sector ICT

May 2001 – Feb 2003
IP Engineer

Warsun Network Solutions (An Internet Gateway) Lagos, Nigeria

• IP management/Wireless local loop installations
• Security consciousness.
• Cobalt servers configuration and management (Running Linux OS)
• Cisco Routers 7000 series and catalyst switch 2900 administration
• Axent VelociRaptor Firewall installation and management
• Vsat installation and management
• VoIP implementation and management

Highlights: Headed a team of engineers who built and supported wireless internet repeater base stations
Business or sector ICT

Jan 2000 – Apr 2001
System Administrator

Starnet Limited (ISP) Lagos, Nigeria

• Setup & Administering the Servers In A New ISP, Starnet Ltd (DNS, Mail Server, Radius NT)
• Design and maintenance of the Company’s Web site.
• Designed & Implemented web based applications and solutions based on MS IIS 4.0, MS SQL 7.0, Visual Basic 5.0 and
FrontPage2000.
• Designed and implemented a web application i.e. ASP interaction with Emerald database sitting on MS SQL 7.
• Implemented and supported Windows NT 4.0 networks.
• Migrated the servers from Windows NT4 to Windows 2000 advance server
• Administering Cisco access server 3640 and a working knowledge of Cisco router 1601.
• Managing security with Cisco pix firewall
• Implemented Database design with MS SQL 7.0
• Development of dynamic web pages with extensive use and familiarity with HTML tags, and JavaScript’s, including GIF animated images and use of adobe Photoshop.
• Consulted on information technology issues to both medium sized and big business.
• Solid information technology solutions to executives of medium sized and big business.
• Implemented Microsoft’s NT 4.0 Terminal Server for some clients.
• Configuring and Administering Radius NT running on Emerald Database, and MailSite Email Managing SMTP server.

Highlights: The pioneer network engineer and system administrator

Business or sector ICT

Apr 1999 – Dec 1999
Computer Coordinator

Nordic Industries Limited (Coal Mining) Lagos, Nigeria

• Managing the computer section
• Designed, implemented & supported Windows NT & 95 based networks running on a Variety of protocols, and in a mixed operating system environment.
• Designed Microsoft Visual Fox pro database package
• Implemented & Supported the Internet connectivity via a Satellite modem.

Highlights: Developed their first ever staff database using MS visual fox pro

Business or sector Minning

Jan 1998 – Mar 1999
Systems Engineer

Cyberspace Nig. Limited (ISP) Lagos, Nigeria

• Designing and Implementing Sub-ISP(s) IP network, with the use of Digi-Board and Proxy Server to implement Internet gateways.
• Administering Microsoft Exchange Server (Multi-user license within a banking setup): Implementing this robust mailing system for a Sub-ISP & a notable bank.
• Administering Redhat Linux: Administering static IP addresses working with database files (Zone files), Administering and maintaining ISP users’ accounts, administering DNS.
• Involved in PC troubleshooting and hardware systems maintenance.
• Involved in installation and configuration of wireless connection to a remote LAN and remote workstations based on BreezeCom, AeroNet products.

Highlights: Single handedly install and deployed a sub-ISP as a trainee engineer

Business or sector ICT

EDUCATION AND TRAINING


1991 – 1995
B.Sc. Honours Degree
EQF= 8

The University of Calabar, Calabar Cross-River State Nigeria

▪ Physics

PERSONAL SKILLS


Mother tongue(s)
Efik

Other language(s)
UNDERSTANDING
SPEAKING
WRITING

Listening
Reading
Spoken interaction
Spoken production

English
Good user(7.0)
Competent user(6.0)
V. Good user(8.0)

Competent user(6.5)

IELTS. 7.0 ,  CEFR Level: B2

Levels: A1/A2: Basic user – B1/B2: Independent user – C1/C2 Proficient user
Common European Framework of Reference for Languages

Communication skills
▪ good communication skills gained through  “Assertive Communication Skills For Managers And Team Leaders” Training 2012
▪ good collaborating skills with my IT Manager while working as an assistant IT manager

Organisational / managerial skills
Bouygues Construction / managerial skills.
▪ leadership (currently responsible for a team of 5 people)
▪ good leadership skills gained as a result of a “Strategic Management Skills” Training in 2011
▪ Mentoring (Train users and IT professionals on the job as an IT manager)

Job-related skills
▪ good procurement and negotiation skills (currently responsible for IT purchases)
▪ supervisory and follow-up skills, gained while working as assistant IT manager and IT manager

Digital skills
SELF-ASSESSMENT

Information processing
Communication
Content creation
Safety
Problem solving

Proficient user
Proficient user
Proficient user
Proficient user
Proficient user

Levels: Basic user  – Independent user  –  Proficient user
Digital competences – Self-assessment grid

MCSE, TCP/IP Admin(Brain Bench), CCNA, CISSP (Future objective: attempted once with a score of 618 instead of a passing score of 700)

▪ Good command of office suite (word processor, spread sheet, presentation software)
▪ Good command of photo editing software (photoshop) gained as a webmaster for starnet ISP
▪ Beginner GW-basic programming skills gained in my 4 year as an undergraduate
▪ Good command of scripting skills (java/ vb/ batch scripting) gained as a webmaster at starnet/ Service-trail ISP
▪ Advance computer network skills gained throughout my 20 years ICT industry experience
▪ Advance IT Security skills gained on the job as an IT Manager (2017-2018) and through CISSP training and first exam attempt in 2014/ 2015 respectively.
▪ All versions of windows server OS and Active Directory implementation, support and administration in a mixed protocol environment
▪ All versions of windows workstations
▪ Mac OS
▪ Cisco products; connecting, administering and troubleshooting TCP/IP based networks.
▪ Help desk support
▪ SQL Server and IIS implementation, support and administration
▪ Redhat Linux experience in an ISP environment (administering and supporting DNS(s) )
▪ Configuring and administering Radius NT on Emerald Database, and MailSite SMTP server sitting on MS SQL.
▪ Wireless local loop installation, management and VSAT installation and management.
▪ Voice Circuit implementation and management, using access servers like Cisco AS5400 HPX
▪ MPLS, HTML, Lync
▪ Implementing security using Linux servers, VelociRaptor, Cisco Pix, Juniper and Check point Firewalls
▪ NAS, SAN, RAID
▪ Active Directory & DNS
▪ Relational Database Migration Skills
▪ Security: LDAP, Apache
▪ Unix/Linux Administration –Expert level:  HTTP, HTML, Apache, SSL, Sendmail
▪ Layer 2 switches Expert (spanning tree, VLAN, QoS, VoIP), in-depth experience with routing (OSPF, EIGRP, BGP)
▪ Programming skills with Visual Basic 5 & 6, and ease of porting to dot net
▪ VMware Implementation, MS Virtualization (Hyper V) / Cloud Computing Know-How / VM ESX Server)
▪ Implementing and administering Citrix
▪ SharePoint Server 2007, SAP & GLPI
▪ SCOM 2007 and SCCM administration
▪ Advance Python skills
▪ Telecommunication experience acquired since1999 and used till date. Running, termination, crimping of Heliax cables, coaxials cables, LMR series cables etc. Experience in Sunami , Teletronics, Rocket, Avarion  Radio (Can configure and implement just about any Telecommunication device
▪ Leadership, Management, Business Development, Customer Relationship Management, Customer service

Other skills
▪ Interior décor skills: acquired as I move from one apartment to another as a family man
▪ Digital photography: a beginner but making tremendous progress

Driving licence
Category B

ADDITIONAL INFORMATION


Presentations:
Project1:

Project2:
Seminars:
Honours and awards:
Courses:

Noise to Signal attenuation; paper presented leading to the award of a B.Sc. honour in physics, 1995.
New office block, Nigeria Customs Banki, Maduguri Nigeria: Deployment and commissioning engineer sent by Cotecna.NLNG Residential Area School building. Principal corporate site network (vpn) and internet setup engr.
Visits France on yearly basis since 2013 till date (except in 2015); for IT Seminars.
B.Sc. Physics: University of Calabar, 1995.
• Voice switching over packet network (with ss7 and q.931 signalling capabilities) – London 2003.
• CISSP Training – New Horizon 2014

Future Objective
• Expert Python developer: Mobile application, embedded systems programming, IoT with Cyber Security with Python
• CISSP certification

WORK/ PLAY BALANCE

Productivity
integrity
responsibility & accountability
diligence
perseverance
discipline

Interacting
Teamwork
Communicating & coordinating
collaborating
mentoring

Thinking & Developing
Proactive thinking
Build & develop plans



Socializing
Friends & family

Hobbies
traveling
table-tennis

Other times
reading
internet browsing

referencE
• To be provided on request

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