About
Oluwatumininu Ajayi is a dynamic, detail-oriented, and results-driven technology professional with a strong background in cloud computing, data analytics, and program management. With years of progressive experience in enterprise environments, she has demonstrated technical depth, leadership, and strategic thinking that drive business transformation through technology. Currently serving as an Enterprise Account Engineer at Amazon Web Services (AWS), she manages a portfolio of high-value clients and provides expert guidance on cloud architecture, cost optimization, and service adoption strategies. Her efforts have consistently led to enhanced client retention and increased monthly recurring revenue. She brings hands-on expertise in a broad range of AWS Core Services, including compute, storage, networking, and databases, as well as DevOps tools and infrastructure as code platforms such as Terraform and CloudFormation. Her professional journey is supported by a Master’s degree in Industrial and Systems Engineering from Texas A&M University and a Bachelor’s degree in General Engineering from the University of Lagos, along with multiple AWS certifications. In her previous roles—as a Technical Program Manager at Amazon Robotics, GIS Analyst, and Research Assistant—she has contributed significantly to digital transformation projects, supply chain optimization, and analytics-driven decision-making. She has designed automated ETL pipelines, developed insightful Tableau dashboards, and applied statistical and geospatial tools to real-world business and environmental challenges. Her approach is deeply data-driven and collaborative, and she thrives on cross-functional teamwork involving engineering, UX, data science, and executive stakeholders. Adept in tools such as Python, SQL, Power BI, Excel VBA, and remote sensing platforms like ArcGIS and QGIS, she ensures seamless integration between data systems and decision-making processes. Her ability to articulate technical solutions to both technical and non-technical audiences makes her a key bridge between engineering and business leadership. Her areas of expertise include AWS architecture, data analytics, cloud migration, SDLC, program execution, business intelligence, and visualization—making her a multifaceted contributor to modern tech-driven enterprises. She has also demonstrated a passion for improving organizational processes, whether it’s optimizing warehouse operations using lean manufacturing principles or reducing defect rates through supply chain analysis. Her professional affiliations, such as her involvement with the National Society of Black Engineers (NSBE), reflect her commitment to mentorship, diversity, and leadership in the tech community. With a consistent track record of success, she brings not only technical excellence but also integrity, adaptability, and vision to every role. Her enthusiasm for learning and growth continues to drive her forward in the fields of cloud computing, AI integration, and enterprise architecture. As a highly capable and proactive technology leader, she is poised to contribute impactful solutions in any complex, evolving digital ecosystem she becomes part of.
Skills & Expertise
Python
AWS Core Services
Excel VBA
Google Analytics
Power BI
Tableau
MySQL
PostgreSQL
DynamoDB
MongoDB
Terraform
CloudFormation
DevOps
CI/CD
JIRA
SAP ERP
ArcGIS
QGIS
Remote Sensing
SQL
Data Modeling
ETL
Route53
IAM
VPC
EC2
Auto-scaling
RDS
CloudFront
SDLC
GTM
Dashboards
Metadata Design
Forecasting
Inventory Management
Procurement
Supply Chain
Agile Methodologies
Roadmapping
Research Interests
Data Mining
Strategic Planning
Data Analytics
Software Development
Database Management
Lean Manufacturing
Program Management
Cloud Migration
Serverless Computing
Cloud Architecture
Business Intelligence
Dashboard Development
Software Development Lifecycle
Infrastructure Automation
AWS Services
AWS Cloud Services
DevOps Engineering
Technical Program Management
Supply Chain Analysis
GIS Analysis
Supply Chain Optimization
GIS & Remote Sensing
AWS Core Services
GTM Strategy
Cloud Infrastructure
Connect With Me
Experience
Technical Account Manager
Enterprise Account Engineer Jan 2023 – Present
• Managed a portfolio of 10 enterprise accounts with an average contract value of $1.5M annually, achieving a 95% customer retention rate.
• Drove AWS service adoption resulting in a 25% increase in monthly recurring revenue (MRR) through strategic account management and upsell opportunities.
• Collaborated with customers to develop and execute strategic plans aligned with business goals, leveraging AWS solutions.
• Provide technical guidance and best practices on cloud architecture, security, and cost optimization.
• Conducted quarterly business reviews (QBRs) with key stakeholders, driving a 25% increase in AWS service adoption and identifying cost-saving opportunities.
• Reduced customer escalations by 15% through proactive monitoring and resolution of technical issues, maintaining a 90% customer issue resolution rate within SLA.
Technical Account Manager Intern
Developed and deployed a multi-region relational database system (RDS) for VMWare’s external customer’s (Michelin) eCommerce application to ensure data residency within each region (US & EU). – Identity and access management (IAM), Route53, Elastic Load Balancing (ELB), Application gateways, Virtual Private Cloud (VPC), EC2, Auto-scaling groups (ASG), Amazon Aurora (RDS), Cloud front, Cloud formation (IAS).
• Migrated applications, data, system architecture from on-premises environment to AWS Cloud.
Systems and Product Integration Co-op
• Collaborated with business, data science, UX and engineering teams to identify product data and views from multiple sources; databases (Oracle DB and DynamoDB), spreadsheets (Microsoft Excel) and csv files to perform analysis with Python and MS Excel for Tableau Dashboard milestones and capital spending.
• Designed an automated structured query language (SQL) and extract transform and load (ETL) process for periodic reporting on our enterprise resource planning. (ERP) platform. This improved operational business manual routine and reporting processing by 65%.
• Identified a broad range of Amazon’s data resources to develop a data model and metadata to support ad-hoc and pre-built reporting. This sped up data collection and pre-processing by 40%.
• Developed roadmaps (project timelines, systems design, and data requirements) and Tableau dashboards to manage my team's progress and critical indicators, as well as a bill of materials (BOM) data change management to track cross-functional changes across multiple portfolios to reduce the lead time of product parts from 55 weeks to 30 weeks.
Graduate Research Assistant
• Researching and Identifying opportunities to improve efficiency, eliminate cluster, reduce lead-times, operational costs, and refine processes through application of continuous improvement 5S and lean manufacturing principles to Warehousing, Materials Handling and other Supply chain operations
• Collaborating with Mechanical and Industrial Engineering undergraduate seniors on sourcing, pricing, and procurement of materials needed for their senior design projects.
Supply Chain Analyst
• Reviewed forecast exceptions and historical demand SKU (Stock Keeping Unit) during forecasting cycle to facilitate daily reordering and product logistics. This ensured accurate inventory management projections by 25%.
• Conducted a procurement analysis with the purchasing management team for a $200,000 quotation for embedded systems for all factory location sites in relation to the final year's budget.
• Supplier Management: Coordinated RFQs, bids, tenders, inventory analysis, negotiation, and vendor/supplier product quality assessment.
• Collaborated with a global manufacturer to resolve quality and packaging issues that were affecting the bottom line. This reduced defect rate by 18% and increased manufacturing flow by 15%.
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Managed daily Sales Order Management activities to improve Service Level, Cycle Time, and On-Time performance while reducing risk.
• Analysed forecast & performed capacity planning for production, to identify the improvement options for better utilization of resources.
Program Manager
• Evaluated and streamlined core IT systems for multiple clients. Retired bespoke applications, built scalable platforms to support business growth, and strengthened information systems design.
• Collaborated closely with executive leadership to define go-to- market strategies and develop innovative business processes and technology initiatives, resulting in a 60% increase in operational efficiency.
• Managed development of applications and updates throughout the SDLC, including analysis of business requirements, development of technical specifications, planning, coding, testing, implementation, and QA using agile methodologies for product release.
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Collaborated with business architects, developers, business analysts, and subject matter experts to understand the complex technological system to develop integrated end-to-end solution options.
• Identified opportunities to work with category management and Seller Support management to correct the routing issue that prevented 80% of sellers from contacting Seller Support for technical assistance.
Education
Texas A&M University
University of Lagos (UNILAG)
Certificates & Licenses (4)
AWS Certified Cloud Practitioner
https://www.credly.com/badges/3c1d9c11-3261-4cdf-b737-fc8797955e4a?source=linked_in_profile
Apex Collegiate Member
AWS Partner: Cloud Economics Accreditation
https://www.credly.com/badges/5daece41-eb7a-4da1-bd4b-55d610dd9a99?source=linked_in_profile
AWS Certified Solutions Architect – Associate
https://www.credly.com/badges/2700bd52-7129-4837-a525-138e2be5f76e/linked_in_profile
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