Oyewale Akinrinde
Lagos,LA
Summary
Resourceful System Administrator consistently responds to wide range of technical challenges with focused and creative approach. Highly effective at problem solving and decision making. Five years of progressive IT experience.
Overview
10
10
years of professional experience
1
1
Certification
Work History
SYSTEMS ADMINISTRATOR
MTN BENIN
01.2023 - Current
- Successfully reduced operation costs by a significant amount through decommissioning unused servers and migrating a large percentage to HCI (vsphere7.0) infrastructure
- Overseeing and maintaining 200+ windows servers in mixed server environment
- Managing and troubleshooting Exchange Server, O365 and SMTP relay server
- Administration of SharePoint, Microsoft pki infrastructure
- Endpoint Management {intune, Sentinel and SCCM}
- Closing of Vulnerabilities on Windows server 2016 to 2022 to meet required Security benchmark of 90%
- Constantly implementing system security tools (Crowd strike, arcloger, nxlog, Nessus agent) and maintaining email application and virus protection software also to provide full functionality on all Servers within the Infrastructure
- Daily ticket resolution which involves troubleshooting and resolving of in place systems services assigned by end user or escalated medium.
SYSTEMS ADMIN SPECIALIST
PREMIERLOTTO HQ
01.2018 - 01.2023
- Minimalized downtime at a disastrous event of Active Directory infrastructure crash during production hour
- Managed trust relationship, server security and hardening, between 13 Branch offices and Head office
- Managing and Deploying Cloud solutions (Azure), azure vpn from one-card to mtn, airtel and 9mobile, Migration of sister companies workload to Azure
- Vulnerability scan of infrastructure nodes across branch offices and hq, internal and assisted external pentest on sister companies' server infrastructure
- Integration of 3rd party Disaster Recovery systems with on prem infrastructure (Synology, Veeam etc)
- Experience with Virtualization (VMWare, Hyper-V, KVM etc) virtualized on prem datacenter by eliminating series of servers, which had significant impact in power utilization, datacenter resource allocation and operation cost generally
- Cisco ASA firewall 5506, 5506x
- Palo-alto deployment, configuration, natting with my servers to provide vpn access to banks, regulatory policy sites etc
- Managed VoIP network using Yeaster and Cisco Unified Communications Manager, CUCM BE600 C220, C240 servers ~400 users
- Radius sever solution deployment (ASA/ CISCO APS), (Meraki mx/ Cloud managed Aps).
MIKROTIK NETWORK ENGINEER
NETPOINT COMMUNICATIONS IKEJA
01.2016 - 01.2017
- Establishing Ptp and Ptmp Wireless (5ghz & 2.4ghz) Radio Links Of 0-40km
- Monitoring Network (Queues and Firewall Implementation)
- Configuring Cpe's For Office Spaces and Floors
- Mounting Parabolic and Aligning Signals.
INSTRUCTOR
KRYSTAL DIGITALS (MICROSOFT I.T ACADEMY)
01.2015 - 01.2016
- Courses handled include Microsoft Office Suits (2007-2013), Scratch, Graphics Suite, Html.
Education
BACHELOR OF SCIENCE (B.Sc) - HORT.
FUNAAB
Skills
- Well-developed analytical and numerical ability
- Strong understanding of computer hardware and software used in troubleshooting infrastructure platforms)
- Active Directory, hybrid and Clouds identity as a service
- Familiar with security protocols and best practices
- Positive attitude and customer service skills
- Microsoft Office 365 proficiency
- Installation and Configuration of Surveillance Equipment (CCTV, Fire alarm, flood alarm, datacenter temperature monitoring)
- Research & Analysis
- Collaboration and networking skills
- Ability to work in a team and adapt to changing situations
- End-User Training
- Data Security
- Program installations
Certification
- MIKROTIK CERTIFIED NETWORK ASSOCIATE
- MIKROTIK CERTIFIED ROUTING ENGINEER
- MICROSOFT CERTIFIED SOLUTION ASSOCIATE
- MICROSOFT CERTIFIED SYSTEMS EXPERT
- MICROSOFT AZURE ADMINISTRATION (AZ -104 2023 UPDATE)
- MICROSOFT AZURE SECURITY TECHNOLOGIES (AZ-500 2023 UPDATE)
- CISCO CERTIFIED NETWORK ASSOCIATE (CYBER-OPS)
- CISCO MERAKI NETWORKING (ON-PREMISE AND CLOUD SOLUTIONS)
- MS-102 Microsoft 365 Certified: Administrator Expert (IN-VIEW)
Hobbies and Interests
Red-teamer(wireless), Server Administration, Azure and GCP deployments, Virtualization, Systems and Device Networking, osint, infrastructure hardening etc
Training
- NETWORK+ @NEW-HORIZONS, IKEJA
- 2014 CLOUD MODELS AND ARCHITECTURE-crash course @Charles Sturt Univ. Australia
- 2015 HACKING COUNTER-MEASURES-crash course @Charles Sturt Univ. Australia
- 2016 CCNA R&S @NEW-HORIZONS, IKEJA
- 2017 MTCNA@ NET-POINT COMMUNICATIONS, MAGODO
- 2017 MTCRE @ NET-POINT COMMUNICATIONS, MAGODO
- 2018 AZ104 and AZ-500
- 2019 CISCO MERAKI NETWORKING (ON-PREMISE AND CLOUD SOLUTIONS)
- 2020 MCSE 2016 ZOOM TECHMOLOGIES
- 2020 CCNA CYBER-OPS CISCO NETACAD
- 2020 CISCO MERAKI BLACK BELT
- 2022 EC COUNCIL -CYBER SECURITY TECHNICIAN
- 2023 DELL POWER STORE TRAINING
- 2023 AZ-800 Administering Windows Server Hybrid Core Infrastructure
- 2023 AZ-801 Configuring Windows Server Hybrid Advanced Services
- 2023 SC-300 Microsoft Identity and Access Administrator
Timeline
SYSTEMS ADMINISTRATOR
MTN BENIN
01.2023 - Current
SYSTEMS ADMIN SPECIALIST
PREMIERLOTTO HQ
01.2018 - 01.2023
MIKROTIK NETWORK ENGINEER
NETPOINT COMMUNICATIONS IKEJA
01.2016 - 01.2017
INSTRUCTOR
KRYSTAL DIGITALS (MICROSOFT I.T ACADEMY)
01.2015 - 01.2016
BACHELOR OF SCIENCE (B.Sc) - HORT.
FUNAAB
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