Dubem Erojikwe
Staincross, Barnsley
linkedin.com/in/dubem-erojikwe-miet-b- • - •-
Security Operations Centre Analyst Profile
Multifaceted technical career entailing robust security analyst and infrastructure monitoring to improve efficiency.
A tech-savvy cyber security analyst with a proficient and good understanding of network security and threat hunting.
Specialized in identifying and analyzing suspicious events by proactive monitoring of Security Incident and Event
Management (SIEM) ArcSight and Splunk. Skilled at executing different security tools to perform logs and packet analysis. I
have a good working understanding of endpoint security, forensics, threat intelligence, and network as well as know of
specific applications and underlying IT infrastructure.
Infrastructure Security/ IT Systems Security / Network Security / Monitoring & Investigation.
TECHNICAL PROFICIENCIES
Programming Languages:
Virtualization/Administration:
Operating System:
Appliance:
Security Management:
Bash/Linux scripting Apache Big and JavaScript, JSON, YAML
VMware ESXi; VMware Horizon; Citrix; MS Hyper-V; Microsoft Azure, SCCM, SCOM.
Microsoft Windows (All versions); Mac OSX; Linux/Unix, and Android.
Cisco Firewall/Routers/Switches; Cisco IPS; Websense; Juniper IPS; FortiGate.
Checkpoint; McAfee; Elastic Search; Kali Linux;Cuckoo Sandbox; Logstash and Kibana (ELK);
ArcSight; Nessus Security Centre; Snort; Cisco Firepower; FireEye, Wireshark, Symantec,
Nmap; Suricata, Qualys, Autopsy, Qualys and Rapid 7, Splunk,AlienVault, Zeek and
VirusTotal.
PROFESSIONAL EXPERIENCE
SOC Analyst March 2021 to Date
Thamesview Solutions Limited
Responding to events and acting as the incident responder to account/system attacks and compromises by determining the
threat vectors and providing initial remediation. Analyzing and investigating alerts triggered by Splunk to ascertain whether a
true /false positive incident. Using Splunk Enterprise Security (ES) to analyze and monitor network traffic, Intrusion
Detection System (IDS), and security event logs. Processing, Analysing, and Investigating malicious / phishing email alerts
from Iron port and FireEye following standard operations techniques. Exploring Cisco firepower to monitor traffic to
guarantee that malicious network traffic is dropped. Researching new developing threats, and vulnerabilities with the
potential to affect the monitoring environment.
Key Contributions:
•
Developing new use cases for automation and tuning of security tools.
IT Project /Infrastructure Engineer Jan2020 to March 2021 Contract
Ezko Technology Limited
Pioneering different Ad-hoc projects, migration of Microsoft Exchange 2013 to Office 365, Microsoft Windows 7 to 10, Users
migrating from VMware Air watch to Microsoft Intune. Managing and Implementing Redundancy Array of Independent Disks
(RAID) for effective load balancing of the enterprise. Installation and Configuration of VMware ESXi Deployment and
implementation of Microsoft and Linux servers on vSphere Client. Upgrading\configuring of Switches, Routers, Firewalls,
and Configuring VLANs. Training on Cyber Security and Network Intrusion Detection and Qualys Vulnerability Management.
Key Contributions:
•
Delivering full optimization of the network resource by allowing high availability and reliability by sending requests
only to servers that are available online.
Deployment Engineer Oct – Nov 2019 Contract
Capita IT Professional Service, Sheffield, UK.
Led a team of engineers in the migration of 3500 desktops/Laptops from Windows 7 to Windows 10 across different
locations. Rebuilt, imaged, and deployed applications/software using SCCM /MDT to integrate new/used equipment into
the enterprise. Administration/configuration of the setting up of Active Directory domain on 2012R2/2016 servers.
Migrated users to 0365 and Microsoft Intune (MDM) from on-premises to Azure cloud enterprise. Ensured that all the IT
systems supporting the infrastructure were functioning efficiently with necessary upgrades and continuously improving the
operating system updates.
Key Contributions:
•
Contributed to the testing, planning, design, and estimation of the Quality Assurance process for the
implementation of Windows 10.
IT Engineer Aug – Oct 2019 Contract
Pyronix Hikvision Ltd, Rotherham, UK.
Maintained and supported VMware servers by ensuring that configuration, patches, and upgrades are applied to core
servers. Configured and upgraded operating systems, applications, and infrastructure for the implementation of the latest
Windows enterprise environment. Orchestrated techniques to execute BAU maintenance plans across a wide portfolio of
systems. Mitigated operational problems by studying and observing system functioning and performance using SCOM and
completed troubleshooting procedures to restore network/infrastructure issues.
Key Contributions:
▪ A reduced backlog of outstanding incidents by 80% and facilitated the remaining Windows 10 migration projects.
▪
Implemented the distribution of workload across multiple servers by maximizing speed and preventing downtime.
Migration Engineer June – Aug 2019 Contract
Leeds, UK.
Leeds City Council,
Achieved overall success in analyzing and resolving servers, networking, hardware, and software issues. Deployed various
applications using SCCM and data migration of windows 10 utilizing the image load process to accomplish the required
configuration. Performed compliance check of Quality Assurance (QA) on Laptops & Desktops before dispatching it to users.
Administration of Windows Server 2012R2.Prohibited the introduction of bad or untested code into production on which the
organization`s external and internal Customers depend for their utilization.
Key Contributions:
▪
Coordinated the migration process across different sites and resolved all BAU/infrastructure issues.
Desktop Engineer June 2018 – May 2019 Contract
NHS Digital, Leeds, UK.
Drove seamless execution of Windows 10 projects and McAfee removal to enable installation of Windows Defender for
users via the network. Minimized potential infrastructure issues by rigorous configuration and troubleshooting of Servers,
Desktops, Surface Hubs. Ensured full compliance of BAU processes within the Windows/VMware environment with service
level agreement. Optimized overall management activities through effective troubleshooting via the utilization of SCCM and
other remote desktops. Prevented deficiencies across the system by diagnosing and resolving desktop, application,
networking, and infrastructure issues. Fostered extensive patch management and deployment of services via SCCM.
Key Contributions:
▪ Acknowledged for establishing and implementing best practices to maximize compliance of infrastructure and
support deliverables/components with company strategy.
▪ Executed smooth migration activities for Microsoft Exchange 2013 to Microsoft Office 365.
2nd Line Desktop Support Engineer April 2018 – June 2018 Contract
Arthur J Gallagher & Co., Wakefield, UK.
Increased overall efficiency through identification and resolution of all hardware, software, mobile devices, and end-users
problems. I carried out virtualization activities by utilizing Citrix, SCCM, LogMeIn, and Microsoft Windows Desktop Remote
Assistance to troubleshoot IT network resources. Fostered timely deployments of new builds through maintenance of system
backups and project activities on Windows Server/Active directory. Navigated complex project deliverables in time during
migration and roll out.
Key Contributions:
▪ Organized project implementation processes using Citrix, VMware, and Microsoft Servers by configuring and
▪ integrating a structure that improved productivity.
Desktop Support Engineer March 2016 – March 2018
Capita IT Enterprise Services, Sheffield, UK.
Owned holistic control over the provision of exceptional technical support to a plethora of multi-client across the UK.
Facilitated multiple project implementations and upgrades, including OKTA management with single sign-on for all users.
Deployed a total of unattended 3000 desktops, operating systems, drivers, and software. Leveraged leadership skills to
orchestrate intense training sessions for new starters by serving as supporting line managers with service improvement plan
session initiation protocol. Boosted client satisfaction by resolving complex issues through remote desktop virtual server
Citrix, SCCM, and VMware.
Key Contributions:
▪ Co-ordinated migration for users from Blackberry Enterprise Server to Microsoft Intune.
▪ Executed the implementation of OKTA Sign-on in collaboration with infrastructure across the UK.
IT Support Technician Jan 2016 – March 2016 Contract
Computacenter UK, Sheffield, UK.
Rendered impeccable first and second-line support to users by conducting troubleshooting on PCs, Laptops, and mobile
devices. Accelerated routine operations through the configuration and management of backups, as well as restoration of
procedures sustainability. Optimized LAN /WAN network administration via the delivery of expert-level support, which
increased the performance of general productivity.
Key Contributions:
▪ Improved organizational tasks execution by prioritizing and delegating duties to junior staff members.
Application Support Analyst Nov 2011 – Dec 2015
British Gas, Rotherham, UK.
Employed the expert use of SAP Utilities, CRM, Siebel, and the use of Workbench to coordinate problem resolution for
clients. Managed client`s account regarding personal invoices and bills by supporting potential technical abnormality on
individual applications software.
Key Contributions:
▪ Introduced and integrated a work structure, boosting KPIs and SLAs.
ICT Support Technician June 2010 –Oct 2011
Rotherham Metropolitan Council, UK.
Delivered exceptional application, desktop, and infrastructure support through effective investigation and rectification of
client issues from a broad range of council ICTS systems. Streamlined overall governance process for active directory,
Microsoft Exchange, and supported workstations. Supported a wide range of applications, peripherals on-premises and on
the Virtual Network.
Key Contributions:
▪ Executed deployments to more than 650 desktop operating systems and applications.
EDUCATION & PROFESSIONAL DEVELOPMENT
PGDip-Mobile, Personal & Satellite Communication Engineering
University of Westminster, London, UK
Certificate – Computer Technology | College of Computer Engineering Technology Affiliated to Obafemi Awolowo University
Splunk 7. x Fundamentals Part 1 - Completion Certificate | ITILv3 Course - Completed |Certified Information Systems
Security Professional (CISSP) – in progress |Certified Cisco Network Associate(CCNA) – Completed| Cyber Security for
Beginners - Completed | Certified Network Security Specialist(CNSS) – Completed| Cyber Security Advanced Persistent
Threat Defender – in progress |Autopsy Digital Forensic Training - Completed| CCNA CyberOps – in progress | CompTIA
A+, Network+ and Security+ – Completed course(E -Careers) and achieved a Distinction -| Qualys Training &
Certificate – in progress | Network Intrusion Detection (SANS SEC503)| - Training| Postgraduate Project: Design and
Implementation of a Generic Graphical User Interface for a Remote Health Monitoring System | HND Project – Design of
Automatic Irrigation System
MEMBERSHIPS
Member – The Institution of Engineering and Technology, UK (IET)
Member – The Institute of Electrical and Electronics Engineers (IEEE)
ACHIEVEMENTS
Employee Representative for Southwark ICT Contract – Transfer to Brent Council, Oct 2017.
Exceptional delivery of outstanding value to market and client in line with company`s value, July 2016.
Management Positive Commendation for outstanding performances expressing excellent service delivery and
overcoming difficult circumstances, April 2014.
Commendation for an exemplary character, adaptability, and strong communication skills, Sept 2015
