I am a detail-oriented Data Analyst with a strong mathematical foundation and hands-on experience analyzing operational, financial, cybersecurity, and project datasets. I thrive on turning messy data into clear insights using SQL, Python, Excel, and Power BI to clean, explore, report KPIs, and build dashboards.\n\nI excel at translating complex data into actionable recommendations that support executive decision-making and optimize processes. My experience spans construction, energy, IT, and security environments, where I improve efficiency through data-driven optimization and strong collaboration with cross-functional teams.

JOSIA H YAHI

I am a detail-oriented Data Analyst with a strong mathematical foundation and hands-on experience analyzing operational, financial, cybersecurity, and project datasets. I thrive on turning messy data into clear insights using SQL, Python, Excel, and Power BI to clean, explore, report KPIs, and build dashboards.\n\nI excel at translating complex data into actionable recommendations that support executive decision-making and optimize processes. My experience spans construction, energy, IT, and security environments, where I improve efficiency through data-driven optimization and strong collaboration with cross-functional teams.

Available to hire

I am a detail-oriented Data Analyst with a strong mathematical foundation and hands-on experience analyzing operational, financial, cybersecurity, and project datasets. I thrive on turning messy data into clear insights using SQL, Python, Excel, and Power BI to clean, explore, report KPIs, and build dashboards.\n\nI excel at translating complex data into actionable recommendations that support executive decision-making and optimize processes. My experience spans construction, energy, IT, and security environments, where I improve efficiency through data-driven optimization and strong collaboration with cross-functional teams.

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Language

English
Fluent

Work Experience

Data & Project Analyst (Construction Operations) at Procon Build Inc (Renovation & Construction)
March 1, 2015 - August 1, 2025
Analyzed project cost, schedule, and procurement datasets using Excel and structured tracking models to identify budget variances and cost overruns. Built data tables and reports for estimates, change orders, and vendor pricing to support forecasting and management decisions. Applied trend and variance analysis to monitor labour and material cost fluctuations across renovation projects. Standardized project reporting formats to improve data consistency, traceability, and audit readiness. Collaborated with engineers and suppliers to validate data accuracy, reducing discrepancies affecting timelines and cash flow.
Data Analyst – IT Systems & Automation at Valid Point Consulting
January 1, 2025 - March 1, 2025
Analyzed customer registration, payment, and engagement data from automated event management systems. Used SQL queries and Excel models to identify workflow bottlenecks, drop-off points, and conversion inefficiencies. Conducted exploratory data analysis (EDA) to assess user behaviour trends and system performance.Implemented data-driven automation recommendations, reducing manual workload by 43%. Designed performance dashboards that improved customer conversion rates by 18%.
Cyber Security Data Analyst - Intern at Adrois Inc
June 1, 2024 - August 1, 2024
Analyzed vulnerability assessment and audit datasets to identify recurring security weaknesses and risk patterns. Designed and maintained a centralized vulnerability database, improving reporting speed and data accessibility. Performed trend analysis on security incidents to support remediation prioritization and compliance planning. Generated analytical summaries and reports for technical and non-technical stakeholders. Supported risk assessments aligned with cybersecurity frameworks and audit requirements.
Senior Executive Assistant – Data & Strategic Operations at Halkin Exploration and Production Limited
January 1, 2022 - December 31, 2024
Analyzed financial, logistics, and operational datasets to support executive-level planning and decision-making. Built recurring dashboards and reports tracking budgets, procurement efficiency, and operational KPIs. Conducted cost trend and variance analysis to identify inefficiencies and cost-saving opportunities. Consolidated data from multiple departments into executive-ready summaries for board and leadership reviews. Handled sensitive operational and financial data, demonstrating high trust and data governance awareness.
Operations & Data Analyst at Halkin Exploration and Production Limited
January 1, 2020 - December 31, 2022
Managed and analysed procurement, logistics, and operational datasets to track performance metrics. Built Excel-based analytical models for cost tracking, vendor performance, and delivery timelines. Improved data accuracy by standardizing data collection and reporting processes. Supported forecasting and risk monitoring through structured analysis and trend identification. Partnered with operations teams to translate data insights into process improvements.
Administrative Assistant at Halkin Exploration and Production Limited
January 1, 2018 - December 31, 2020
Collected, cleaned, and maintained operational and financial datasets across departments. Produced routine performance, expense, and logistics reports using Excel and internal systems. Assisted in data standardization and documentation, laying the foundation for scalable reporting. Supported senior staff with data preparation and quality checks for management reviews.
Data/Risk Analyst at OJB Global Power Limited
January 1, 2017 - December 31, 2018
Conducted quantitative risk and operational analysis using Excel and Power BI. Built risk dashboards and analytical reports to visualize financial exposure and operational threats. Applied scenario analysis to support strategic planning and risk mitigation. Improved visibility into project risks through structured data modelling and reporting.

Education

Diploma in Graphics Design at AOLCC College, Ontario
January 11, 2030 - December 1, 2025
Diploma in Cyber Security at ABM College, Ontario
January 11, 2030 - October 1, 2024
Graduate Foundation Program in Mathematics at National Mathematical Centre
January 11, 2030 - October 1, 2015
B.Sc. Mathematics at University of Maiduguri
January 11, 2030 - January 1, 2013

Qualifications

CRISC (Certified in Risk and Information Systems Control) – ISACA
January 11, 2030 - January 16, 2026
Professional Scrum Master I (PSM I)
January 11, 2030 - January 16, 2026
Professional Scrum Master II (PSM II)
January 11, 2030 - January 16, 2026
Google Analytics Individual Qualification
January 11, 2030 - January 16, 2026
Google Fundamentals of Digital Marketing
January 11, 2030 - January 16, 2026
Google Data Analytics Professional Certificate
January 11, 2030 - January 16, 2026
IBM Data Analyst Professional Certificate
January 11, 2030 - January 16, 2026

Industry Experience

Real Estate & Construction, Software & Internet, Energy & Utilities, Professional Services, Other