Lagos State, Nigeria
Senior OT/ICS Cybersecurity Engineer with 13+ years building and defending critical infrastructure in high-stakes oil and gas environments. Recognised as a technical authority on industrial control system security, with a proven record of sustaining zero ICS incidents across Chevron Nigeria Limited's Escravos Terminal through rigorous defence-in-depth architecture, ISA/IEC 62443 compliance programmes, and enterprise-grade OT monitoring via Claroty CTD and Splunk. Equally effective in the field and the boardroom — bridging IT, OT engineering, and vendor teams to deliver security outcomes that protect production continuity without compromising operational integrity.
1. Designed and maintained OT/ICS reference architectures for the Escravos PCN network, applying ISA/IEC 62443, NIST 800-82/53, and MITRE ATT&CK for ICS frameworks to deliver a defence-in-depth posture that reduced critical vulnerabilities by 99%. 2. Implemented OT vulnerability and risk assessments across 1500 plus control system assets, producing prioritized remediation plans that cut mean time-to-remediate by 50%. 3. Implemented and administered Claroty Continuous Threat Detection (CTD) across the PCN environment, achieving 100% passive visibility of OT assets and improving threat detection response times. 4. Co-led three PCN CyberWise design and administration projects (OTAZ Apr 2019, PAZ Nov 2025, DAZ Apr 2026) in collaboration with Chevron's Cybersecurity Engineering & Innovation Team, hardening zone segmentation across the Escravos Terminal. 5.Administered Splunk SIEM for OT log aggregation and monitoring, enabling proactive anomaly detection and supporting PCN compliance reviews for patching, backup, and asset inventory. 6. Managed firewalls, switches, routers, DMZs, and secure remote-access solutions (Active Directory, GPO, DNS, DHCP) for the ICS/PCN environment, maintaining 99.9% network availability. 7. Mentored engineering staff through the OT Cybersecurity Guild and delivered knowledge-transfer sessions that strengthened the team's operational cybersecurity capability. 8. Participated in post-project design validation reviews to confirm conformance with OT cybersecurity standards, reducing non-conformances by 100%.
▸ Ensured 99%+ availability of the Escravos server infrastructure by proactively patching, monitoring, and maintaining Windows Server 2012 R2 / 2016 / 2019 environments across 800 servers. ▸ Co-designed an IT Asset Inventory tracker in Excel that gave the team real-time visibility of 10,300+ hardware assets, reducing misplaced or untracked devices by 70%+. ▸ Deployed a USB file-transfer solution across five departments — enabling secure media ingestion into the Chevron LAN while enforcing 'No USB' Group Policy — eliminating a previously open data-exfiltration vector and remediated three infected USB incidents per the IRM Action Plan. ▸ Configured and optimized WDS to fully automate OS imaging across seven Panasonic Toughbooks, slashing manual deployment time by 65%+. ▸ Administered user access controls via Chevron IAM tools and Active Directory, upskilling Information Stewards on grant/revocation workflows and strengthening access governance across 50+ departmental group folders. ▸ Monitored server and network health via SolarWinds, proactively resolving Tier-3 performance incidents before operational impact — maintaining a 100% team response average and earning 4 consecutive Chevron Human Energy Awards for Outstanding Performance (2018–2022). ▸ Authored technical documentation and a knowledge base on Microsoft SharePoint, reducing first-call resolution time and supporting onboarding of new IT staff.
▸ Resolved customer support tickets across multiple SaaS products using a 'Pair Support' model, improving first-contact resolution rate by [insert metric]%. ▸ Defused escalated customer situations and communicated technical solutions in plain language, consistently meeting SLA targets and growing the company's online knowledge base
▸ Implemented a network monitoring platform that tracked all IT infrastructure at HQ, auto-raised tickets on threshold breaches, and shifted the team from reactive to proactive support — reducing incident response tickets by 40% and improving overall infrastructure availability. ▸ Deployed a helpdesk management system across 26 retail outlets, reducing average ticket resolution time by 40% through automated prioritization and routing — improving technician efficiency and end-user satisfaction across all locations. ▸ Trained the IT support team on helpdesk tooling and authored a 'How To' knowledge base that accelerated onboarding of new hires.
▸ Provided 1st and 2nd-line technical support, managed remote servers, and led client-site application training for engineering and IT consulting clients across Africa. ▸ Produced business specifications, technical documentation, and managed Zendesk helpdesk and ZOHO CRM, supporting multi-client accounts simultaneously.