Engineer Desktop Support

Adeleye Onibokun B.TECH, CCNA, DCSE, MCSA, MCSE, MCDBA, ACCP

Atlanta, Georgia. - Email: adci8z@r.postjobfree.com Mobile: +1-706-***-****

Summary

Multi-Certified and highly motivated System Administrator, System Engineer, Infrastructure Engineer, Team Lead with extensive experience administering and supporting Server, Storage, Networking, Telephony, Printer, Desktop infrastructures in an enterprise level environment. An IT Professional with strong technical, analytical, organizational and problem-solving skills.

Relevant Skills

VOIP, Network Administration, Active Directory, Azure AD, Office 365 & Exchange Admin, DNS, DHCP, Group Policies, Microsoft Exchange, Python, PowerShell, Virtualization, VMware vSphere ESXi hypervisor, AWS, EC2, S3, VPC, Server Administration, Datacenter Infrastructure, Cisco IP Telephony, Desktop Support, Windows OS, Linux OS, Remedy, RDP, Problem & Change Management, Project Management, SAN, NAS, iPatch, CUCM, Technical Support, Backup & Recovery, Systems Installation, configuration and upgrade, User Training

Certifications / Educational Qualifications

AWS Certified Cloud Practitioner (A.C.C.P)

Cisco Certified Network Associate (C.C.N.A)

Dell Certified Systems Engineer (D.C.S.E)

Microsoft Certified Systems Administrator (M.C.S.A)

Microsoft Certified Systems Engineer (M.C.S.E)

Microsoft Certified Database Administrator (M.C.D.B.A)

Cisco Certified Network Associate (C.C.N.A)

B.Tech - Industrial Mathematics (Federal University of Tech. Akure, Nigeria.)

Work Experience

Computer Renaissance. Indianapolis, IN USA.

Sr. Infrastructure Engineer June 2018 – Till Date

Provide administration support to user accounts in Office 365, On-Premises directory, Azure AD, on-premises Microsoft Exchange and Exchange Online.

Analyze, troubleshoot and resolve system hardware, software and networking issues

Build, configure, patch, upgrade and troubleshoot bare-metal and virtual Linux/Windows servers

Manage and support virtualization environment using VMware ESXi 6.5 hypervisors and vCenter 6.5

Monitor server event logs, performance logs, growth of data and status of server backups

Design, provision and maintain scalable cost-efficient, highly available cloud environment using AWS services

Provide supervision to team members for system installation, set-up, and configuration

Provide system administration support for computers, servers and racks of equipment in the Datacenter

Conduct detailed analysis of infrastructure performance in order to assist with the development of infrastructure optimization and capacity management.

Specify high level solution designs which includes BoMs, based on business needs and provide detailed OPEX and CAPEX costs.

Provided technical support at various customer sites.

Support other technical teams in the implementation of Network, Storage, Compute and Back-Up solutions

Provide Technical solutions to identified problems and repeat incidents along with Root Cause Analysis of critical incidents

ExxonMobil - Mobil Producing Nigeria. Unlimited. Lagos. (subsidiary of ExxonMobil)

Advanced IS Analyst, Technical Support May 2012 – April 2017

Performed ongoing performance tuning, hardware upgrades, and resource optimization as required.

Worked on complex assignments, using best judgement to resolve problems and make routine recommendations.

Performed day-to-day maintenance and installation of servers, network equipment, virtual machines, audio-visual, backup and storage systems.

Installed new and rebuilt existing servers (Windows server 2008), and configured hardware, peripherals, services, settings, directories, storage, etc

Kept the Standard Operating Procedures up to date as technology and processes changed.

Successfully coordinated the expansion of the Lagos site Storage Area Network and Backup infrastructure to meet the data growth and storage demands of the business yearly.

Successful migration of site Cisco IP Telephony system from version 6.1.4 to 9.1.3, installed the servers, set-up and configuration of the test environment network in collaboration with Cisco and level 3 Support to upgrade functionalities for about 2500 telephone users.

Successful upgrade of virtualization servers. Increased resources for 52 virtual servers and expanded the virtual server cluster to facilitate end-of-life physical server migrations to virtual servers thus increasing the virtual clusters from 4 to 8, this ensured cost saving by eliminating the need to increase the physical servers’ infrastructure such as power, cooling and space.

Coordinated the successful rollout of the company wireless LAN infrastructure at all remote sites. Successfully installed Wireless Access Points at several strategic remote locations that served hundreds of users which supported the company’s drive of making the workforce more mobile and also improving IT service to the business.

Actively involved in the upgrade of an offshore backup VSAT link from 768k to 1536k. This upgrade improved the voice and data connectivity of critical users working at a deep-water platform offshore which is responsible for majority of the company’s overall crude production.

Actively involved in the successful implementation of Direct-Inward-Dialing feature on Cisco IP desk phones at all sites within Nigeria. This productivity enhancement provided over 5000 telephone users across sites in Nigeria with the ability to receive external calls directly at their desk phone without the involvement or bottleneck of a switchboard.

Carried out the successful replacement of the aged communication tower at the rooftop of the company’s HQ which hosted the communication antennas of several service providers connecting the HQ to the other remote sites at different part of the country with Zero downtime.

Successful installation of a Remote Access Gateway for about 4800 laptop users in the company. This effort significantly improved the performance and efficiency of users connecting remotely to the network from 3rd party sites and non-company locations through VPN.

Actively involved in the successful upgrade of the Data Centre cabling infrastructure from 1G to a 10G server farm network that enabled all servers have 10G network connections to the core switches which greatly improved users access to resources.

Involved in the re-designing of the Data Center that was built over 20 years ago. Part of the facility infrastructure was no longer functioning optimally thereby causing several breaks in service. This improved the existing infrastructure and upgraded it to industry standards.

Effectively contributed to daily local operations activities by coordinating my team to attend to users’ request in ITSM within SLA, which included resolution of issues with data and voice connectivity.

Consistently provided timely support to users at third party sites whenever there were issues, this ensured different on-going project went on without downtime from IT related services or infrastructure.

Consistently provided support as regards technical matters to different project teams working on several projects whenever the need arises.

Participated in developing and implementing security & control policies, standards and guidelines for the IT infrastructure.

Provision of operation and maintenance support for Storage, Back-up Tape Library, Network, Server, Telecommunication & Datacenter Infrastructure.

Participated in on-call rotation to provide 24x7 production support.

Trained, mentored and provided guidance to Network/Server and Telecoms support team.

Maintained list of critical spares for Servers, Network and Telecoms equipment.

ExxonMobil - Mobil Producing Nigeria Unlimited. Lagos. (subsidiary of ExxonMobil)

Site Lead - (Windows 7) Rollout Project April 2010 – April 2012

Successfully co-ordinated the activities of members of the Rollout team to ensure a seamless and timely migration of over 2000 users’ configurations, applications and PCs from Windows XP to Windows 7 OS

Successfully trained and led members of the Migration team to complete the migration of the entire workforce four months ahead of schedule.

Conducted and coordinated the orientation and training of over 2000 users at 8 different sites to ensure a smooth transition into the new computing environment.

Successfully stewarded the procurement and timely delivery of equipment required for migration despite issues encountered with vendors and manufacturers to ensure the project schedule was met.

Ensured deployment team provided warranty support post migration which included additional trainings to users, troubleshooting of application issues and replacement of failed equipment. This greatly reduced unnecessary downtime and improved overall user satisfaction.

Monitored the deployment console to assign technicians daily work orders and stewarded site migration progress.

Successfully coordinated retrieval of user’s old computer hardware and peripherals from their offices, transfer to junk storage and eventual disposal of all junk and obsolete equipment from the company premises.

Carried out periodic asset reconciliation and updates to ensure that all documentations related to retrieval and asset verification for the migrations were all up to date.

Documented solutions to maintain a “Best Practices” knowledge base which greatly benefitted the level 2 end-user support team that attends to normal daily computing issues even months after the migration.

ExxonMobil - Mobil Producing Nigeria Unlimited. Lagos. (subsidiary of ExxonMobil)

Team-Lead IT Asset Management Sept. 2008 – April 2011

Co-ordinated different units within the asset management team to ensure efficient service to both internal and external customers.

Monitored work orders in Remedy to ensure tickets are attended to and requests serviced promptly.

Updated ITSM work orders to reflect current status of requests.

Co-ordinated the activities of the IMAC (Install, Move and Change) team for the deployment, installation and retrieval of laptops, desktops, network printers and computer peripherals.

Managed the stock level of computing equipment (Desktops, Laptops, Network Devices and Accessories)

Monitored and re-ordered computing consumables based on usage and trends

Arranged the periodic inventory of standard computing equipment and consumables in different stock rooms.

Liaised with equipment vendors for the timely repair of faulty equipment under warranty.

Interfaced with other support groups on resolution of support issues.

Implementation of mini-projects as assigned by management.

Co-ordinated the movement of computing equipment between offices and retrieval to store/depot.

Co-ordinated the safe disposal of junk and obsolete equipment periodically

Assisted periodically with the update of the company Fixed Asset Register

Performed disk wipe process before equipment disposal.

ExxonMobil - Mobil Producing Nigeria Unlimited. Lagos. (subsidiary of ExxonMobil)

Team-Lead Onsite Support April 2005 – Aug. 2008

Provided Tier III support per request from various users using Remedy ticketing system

Co-ordinated members of 2nd level desktop support team to ensure a timely resolution of support issues at all locations.

Investigated, resolved and closed user reported PC problems and application issues using Remedy ticketing system.

Responsible for effective provisioning, installation, configuration and maintenance of systems hardware, software and related infrastructure.

Repaired hardware and software failures on Dell Latitude Laptops and OptiPlex Desktops.

Provided appropriate escalations of problems that cannot be resolved at the 2nd level.

Provided support for company issued mobile devices such as Blackberry and iOS devices connected to the Exchange server.

Installed, configured and deployed new PC with other computing equipment.

Provided VPN support to remote and home-based users.

Provided IT support to users at Remote sites and Offshore.

Provided Windows Operating System and Linux Support to Users.

Assisted with the installation of layered software products that are “pushed” to the desktop and laptop computers.

Interfaced with other support groups on resolution of support issues.

Managed the backup process and off-site tape storage

Trained and mentored new onsite support staffs

References – Available on request

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