Abolarinwa Emmanuel
Oluwarotimi
Sittingbourne,KEN
Summary
Hands-on IT Infrastructure Engineer with over 20 years of experience supporting enterprise Windows, UNIX, and Linux environments across global organisations including IBM and Dimension Data. Strong expertise in Windows Server, Active Directory, IBM AIX, and Red Hat Enterprise Linux within high-availability production environments. Experienced in enterprise storage systems, infrastructure troubleshooting, and hybrid cloud fundamentals (Azure & AWS). Actively developing modern Microsoft cloud and hybrid infrastructure skills. Seeking a Junior Infrastructure Engineer role within a UK-based infrastructure team to contribute technical expertise and continue professional growth.
Overview
18
18
years of professional experience
4
4
Certifications
Work History
IT Service Support Representative
IBM
01.2012 - 01.2022
- Supported enterprise Windows Server, AIX, and Red Hat Linux environments in high-availability production settings.
- Performed incident diagnosis, system monitoring, and root cause analysis across hybrid infrastructure platforms.
- Administered Active Directory user accounts, permissions, and group policies.
- Assisted with UNIX/Linux user management, file system permissions, and routine maintenance tasks.
- Supported IBM POWER Systems running AIX within enterprise client environments.
- Contributed to patch management and vulnerability remediation activities across Windows and Linux servers.
- Collaborated with infrastructure, DevOps, and security teams to maintain service reliability and performance.
- Environment: Windows Server, IBM AIX, Red Hat Linux, Active Directory, SAN, NetApp, enterprise ITSM tools, TCP/IP networking.
System Support Engineer
Dimension Data
01.2004 - 01.2012
- Provided infrastructure support across banking, telecoms, and oil & gas sectors.
- Supported Windows and UNIX-based server environments.
- Assisted with system upgrades, deployments, and enterprise storage management.
- Managed incident escalation and technical troubleshooting across multi-site environments.
- Mentored junior engineers and supported operational improvement initiatives.
- Environment: Windows Server, UNIX systems, enterprise storage, networking infrastructure.
Education
MSc - Information Technology
Bournemouth University
UKBEng - Electrical & Computer Engineering
Skills
Operating Systems
Windows Server 2012 / 2016 / 2019
Windows 10 / 11
IBM AIX (enterprise UNIX administration support)
Red Hat Enterprise Linux (RHEL server support)
Cloud Platform
Microsoft Azure (VMs, storage, networking – foundational)
AWS (EC2, IAM, VPC – foundational)
Directory & Identity
Active Directory Administration
Group Policy
Entra ID (Azure AD fundamentals)
Infrastructure & Virtualisation
VMware (enterprise exposure)
Hyper-V (basic knowledge)
Server patching & updates
System monitoring & incident management
Networking
TCP/IP
DNS
DHCP
VPN support & connectivity troubleshooting
Storage
SAN environments
NetApp storage systems
Security & Compliance
ISO 27001 alignment
NIST framework exposure
Vulnerability remediation support
Scripting
PowerShell (administrative tasks – foundational)
Basic Linux command-line administration
Certification
AWS Certified Cloud Practitioner
Timeline
IT Service Support Representative
IBM
01.2012 - 01.2022
System Support Engineer
Dimension Data
01.2004 - 01.2012
BEng - Electrical & Computer Engineering
MSc - Information Technology
Bournemouth University
Continuous Professional Development
- Maintaining Azure lab environment for virtual machine deployment and network configuration practice.
- Practising Active Directory and Group Policy administration in lab environment.
- AWS EC2 and IAM configuration exercises.
- Ongoing Microsoft 365 and cloud administration learning.
- Continued Linux command-line and server administration practice.
Additional Employment
Customer-facing roles demonstrating strong communication, teamwork, and adaptability while continuing professional IT certification development.