Tochi Sammy C.



I am a diligent and versatile engineer pursuing a MAS/MSc in Mechatronics Engineering. With a passion for renewable energy, data analysis, systems identification, computational methods, control systems and machine learning, I am committed to utilizing my skills and experience to drive innovation in sustainable development and make a meaningful impact on society.

about picture

Mechatronics/Mechanical Engineer & Digital Plumber.

I hold a B.Eng. in Mechanical Engineering and have gained valuable work experience in the renewable energy industry, construction, and information and communication technology (ICT). I have a strong interest in sustainable technology.

  • Name: Ernest Toochukwu, Samuel
  • Age: 28
  • Phone: +233 20 341 9117
  • Origin: Enugu, Nigeria
  • Degree: Masters
  • Email:
  • Freelance: Available
  • City: Accra, Ghana


I have a proven track record of providing engineering and maintenance support to reputable companies and clients. I have worked with a variety of systems and have a deep understanding of how to keep them running smoothly. I am also skilled at troubleshooting and resolving problems quickly and efficiently.

Happy Companies/Clients Eight Companies, Four Clients

Projects @ School, Work and Freelance

Hours Of Support To 56+ clients for the Solar Company

Work Hours Over 3+ years work Experience


I am skilled in mechanical troubleshooting, electrical troublshooting, computer programming (Python, C++, MATLAB, HTML and PLC), energy audit, solar PV installation, leadership, emotional intelligence, CAD design, mathematical and engineering analysis, Procuremen, cash flow management, critical thinking, and problem-solving.

Python 85%
C++ 70%
HTML 65%
PLC 60%
PHP 50%


Unlocking Excellence: Here's what those who've worked alongside me have to say. Discover why I'm regarded as a pivotal candidate, recognized for my exceptional skills, unwavering dedication, and collaborative spirit. Join the journey of success with someone who consistently delivers outstanding results.

Ernest Samuel's exceptional leadership, attention to detail, and unwavering determination were evident during our collaboration at UNN. As our team leader for the project "Characterization of crack propagation in Natural Fibre Reinforced Polymer Composites," he consistently motivated the group with strong problem-solving skills and a goal-oriented approach. His dedication to achieving excellence makes him an outstanding leader, and I have no doubt he will excel in his future endeavors.

Precious Osuagwu

MSc Aeronautic Engr | Stanffordshire University, UK

I had the pleasure to meet Ernest as part of the ETH-Ashesi Mechatronics Masters program, where I was impressed with his motivation and commitment to learning new concepts, which he very quickly grasped, his curiosity, problem solving skills and critical thinking, his sense of teamwork, and eventually the deep understanding he reached in the topic taught (dynamic analysis of systems).

Eleni Chatzi

Assoc. Prof. Structural Mechanics & Monitoring | ETH Zurich, CH

My observations of Ernest's exceptional qualities were forged during our collaboration on solar installations and maintenance projects across various regions in Nigeria, including Benin, Akure, and Delta state. Ernest emerged as the kind of team member you eagerly want on board. His enthusiasm for brainstorming sessions, unwavering focus on tasks, and impressive leadership skills greatly contributed to our project successes

Ugonna Unachukwu

Operations Manager | ICE Commercial Power, NG

As Ernest's former lecturer in Dynamics of Systems in Engineering, I can attest to his exceptional abilities. He demonstrates a remarkable aptitude for swiftly understanding complex mathematical concepts and applying them effectively to solve dynamics problems with precision. Ernest's attention to detail and enthusiasm for continuous learning make him a standout candidate in the field. If you're seeking a valuable candidate in your Dynamics Systems project, rest assured, he's the one.

Vasilis Dartimanis

Executive Scientific Collaborator | ETH Zurich, CH

I highly recommend Ernest Samuel for his impressive leadership, public speaking skills, and political insights. Ernest played a vital role in my 2017 senatorial campaign, impressing audiences with his eloquence, all while excelling academically and helping peers with their studies. He embodies a unique blend of leadership, communication prowess, and academic diligence, making him an invaluable asset to any endeavor.

JohnPaul Adimonyemma

PhD Industrial Engr | FAMU, USA

Ernest is a dedicated individual who is always ready to offer options that are out of the box. His reliability as the vice president of the ARM (E3)NGAGE Student Club made the presidential role exponentially easier. Additionally, his ability to connect with a wide range of personalities made it easier to connect with people who eventually became close partners with the club.

Marilyn Appenteng

Computer Engineer, GH

Ernest's engineering prowess was truly remarkable during our collaborative CAD design work with NX, he showcased exceptional skills in mechanical and energy system design for an electric truck. His expertise extended to hands-on applications, evident in his proficient use of the lathe machine and welding operations during our pilot Precision Planter fabrication in MeSADA PCL. Ernest's technical proficiency and dedication to precision consistently impressed me

Eleazar Archer

Application Engr | Co-Founder MeSADA PCL & CTO, GH

Ernest's role as my Vice President at the International Student Association was truly outstanding. His deep understanding of students' needs, combined with his policy-generation prowess and ability to brainstorm and swiftly find solutions, made him an invaluable asset to our team. Ernest's remarkable interpersonal skills further enriched our collaborative efforts, creating an inclusive and dynamic environment that left a lasting impact.

Miriam Duke

ISA President & Computer Engineer | Ashesi University, GH

Ernest possesses remarkable engineering, community, and stakeholder engagement abilities as well as a deep interest in IoT and embedded systems. He is a leader whom I have seen effectively organize and lead a good number of Embedded Learning Challenge (ELC) and Student Club community events and workshops while collaborating with engineers from diverse backgrounds. Any team would considerably profit from having him as a member.

Marvin Rotermund

Management Consulting & Advisor | BLACK XR NETWORK, LDN

Decades ago, I met Ernest in primary school, and our friendship endured. Ernest, a dedicated engineer passionate about sustainability, have kept demonstrating strong teamwork, problem-solving, and effective communication skills. Our collaborative journey, including a 2015 internship in an automobile workshop and successful university ventures, was enriched by his wise counsel on finances, investments, and interpersonal matters.

Chima Emmanuel

HSE / Safety Coordinator | TotalEnergies EGINA, NG


As an engineer, I bring precision to CAD designs and and problem-solving skills. My expertise in sustainable energy solutions ensures both cost savings and environmental responsibility. Let's collaborate to achieve excellence in your projects with innovative engineering and sustainability at the forefront.

Sustainable Energy Solutions

  • Provide energy audit and storage design expertise.
  • Optimize energy usage and storage solutions for sustainability.
  • Implement strategies to reduce energy costs and environmental impact.
  • CAD Design Services

  • Utilize industry-standard software like NX and Autodesk Inventor.
  • Turn concepts into tangible designs for various engineering projects.
  • Precision and attention to detail ensure high-quality design solutions.
  • Data Analysis and Machine Learning

  • Provide data analysis and machine learning services.
  • Extract actionable insights from data to inform decision-making.
  • Implement machine learning models for predictive analysis and optimization.
  • Troubleshooting Expertise

  • Provide mechanical and electrical troubleshooting solutions.
  • Quickly diagnose and resolve technical issues.
  • Minimize downtime and optimize system performance.
  • Programming Solutions

  • Proficient in Python, C++, MATLAB, HTML, and PLC programming.
  • Develop customized software solutions to streamline processes.
  • Harness programming expertise to automate tasks and improve efficiency.
  • Graphics Design

  • Leverage Canvas to create visually appealing and informative graphics.
  • Enhance presentations, reports, and marketing materials with compelling visuals.
  • Transform complex data into easy-to-understand visuals.
  • Resume

    I am an innovative and diligent cross-discipline Engineering degree holder with a diverse background. I have spent 6 months in the construction industry as a Mechanical Engineer, followed by a year in the renewable energy sector specializing in Solar PV as an Operations and Maintenance Engineer. In addition to my technical skills, I bring 1 year of experience in Finance Management and fundraising for TedX organization, and I am currently leveraging my analytical abilities in a 5-month, and counting, role as a Data Analyst for an AI startup company. My career journey is defined by my commitment to innovation, process optimization, and data-driven decision-making across multiple domains.


    Ernest Samuel

    Innovative and sustainability-driven Engineer with over 3+ years work experience. Skilled in: • CAD Design; NX and Autodesk Inventor. • Troubleshooting; Mechanical and Electrical. • soft-skills;Teamwork,Creativity Technique,Emotional Intelligence, Problem-Solving and Critical Thinking. • Programming: Python, C++, MATLAB, HTML and PLC. • Data Analyst and Machine Learning. • Cash Flow Management and Analytics. • Microsoft Suits. • Energy Audit and Storage Design. • Electrical Connections. • Solar PV System Design and Installation.

    • Ashesi University, Berekuso, Eastern region, Ghana
    • +233 20 341 9117 | +234 906 726 0172


    Master of Science in Mechatronics Engineering

    2023 - Present

    Ashesi University, Ghana

    • Control Systems • International Environmental Politics • Leading Teams • Renewable Energy Technologies • Machine Learning • Manufacturing Processes • Systems Identification and Modeling • Robotics and Mechatronics • Investment appraisal and cost-effectiveness analysis / Corporate Responsibilities and sustainability • Energy Systems and Mobility • Process Engineering • Systems Identification and Modelling • Advanced Communication Systems and Internet of Things • Development Economics • Sustainable Engineering • Product Development and Reliability and Risk

    Master of Advanced Studies in Mechatronics Engineering

    2022 - 2023

    ETH Zurich, Switzerland

    • Mathematical Tools • Thermofluids • Computer Programming and Embedded Systems • Analog and Digital Electronics • Statics and Solid Mechanics • Signals and Systems • Material Engineering • Dynamics and Computational Methods

    Bachelor of Engineering in MECHANICAL ENGINEERING

    2014 - 2019

    University of Nigeria Nsukka, Nigeria

    • General Courses • Workshop • Engineering Drawing • Engineering Design • Laboratory Courses • Stregth of Materials • Mechanics of Machines • Vibrations • Controls • Mechanics of Fluids • Engineering Thermodynamics • Heat and Mass Transfer • Engineering Law and Management • Technology Policy • Engineering Metallurgy

    Professional Training & Certification

    Technical Sales: The role of Sales Engineer

    ISSUED: May 13, 2022

    Linkedin Learn.

    • Acquired expertise in technical sales techniques.
    • Achieved proficiency in contract closure techniques.
    • Gained proficiency in developing marketing strategies and planning skills.

    Trainee Solar Specialist

    2020 – 2021

    Energy Talent Company, Nigeria

    • 250+ hours of online training in ETC’S Solar PV Foundational Course.
    • 350+ hours of online training in ETC’S Solar PV Specialisation Course.
    • Participated in two In Class Projects involving Solar Design and Installation.
    • Designed schematic diagram of a Solar PV System using Microsoft Word.
    • Participated in group activities involving solar research, documentation and presentation.
    • Demonstrated ETC’s values during individual and group tasks (Trust & Transparency; Team work & Diligence; Global Excellence).
    • Demonstrated respect, friendliness and willingness to help wherever needed.
    • Carried out day-to-day online challenges accurately and efficiently.
    • Completed six weeks apprenticeship program at ICE Commercial Power; Off-takers Relations, Energy Audit, Solar Systems Design, Installation and Maintenance.

    Energy Transition - Innovation Towards A Low-Carbon Future

    ISSUED: April 29, 2021

    IFP School - College in Rueil-Malmaison, France.

      Amongst 32% of 11,429 candidates, to complete 5 weeks MOOC on Energy Transition and obtain the Certificate.

    • Renewable energy challenges and floating offshore wind turbines.
    • Electricity in global energy demand and societal approach to energy demand.
    • Cost issues and risks of low-carbon technology minerals.
    • Path to sustainable energy access and stresses on energy demand.
    • Low-carbon electricity mix and innovation for a low-carbon future.
    • Oil and gas exploration to distribution, gas resources and reserves.
    • Geothermal energy for heating and greenhouse gas reduction.
    • Carbon Capture and Storage and energy storage solutions.
    • Natural hydrogen overview and role of natural gas and underground natural gas storage.
    • Hydrogen production for decarbonization and negative emissions with Bioenergy & CCS.
    • Bio-sourced chemicals & fuels and IoT technology for energy efficiency
    • Pinch methodology and waste heat exchanger for energy efficiency.

    The COSHH Risk Assessor Certification

    ISSUED: July 25, 2020

    The Knights of Safety & The International Association for Chemical Safety.

    • Demonstrated Sufficient knowledge of hazardous substances and how they can affect their workplace.
    • Proficiently demonstrated a comprehensive understanding of the risk assessment process, encompassing its key principles and methodologies.
    • Understanding how the risk assessment process aids in implementing employee health protection measures.

    Training & Certification

    Autodesk Inventor 2022 Essential

    ISSUED: May 01, 2022

    Linkedin Learn.

    • Proficient in Autodesk Inventor 2022, including 3D modeling, parts assembling, and drawing technicaldocumentation.
    • Experienced in creating complex 3D models and assemblies, ensuring precision and accuracy in design.

    Jobberman Soft Skills Training

    ISSUED: March 20, 2021

    Jobberman, Nigeria

    • Proficient in team collaboration and effective communication.
    • High emotional intelligence for improved interpersonal relationships.
    • Applied creative techniques for innovative solutions.
    • Strong critical thinking for informed decision-making.
    • Demonstrated leadership skills for goal attainment.
    • Effective networking for valuable professional relationships.
    • Demonstrated leadership skills for goal attainment.

    Excel Fundamentals - Formulas for Finance

    ISSUED: July 1, 2020

    Corporate Finance Institute

    • Demonstrated Sufficient knowledge of Excel for Finacial Modeling.
    • Demonstrated Sufficient knowledge of Advanced Excel formulas.
    • Demonstrated Sufficient knowledge of Finacial Analysis.

    Professional Experience

    Data Preprocessing Engineer

    April, 2023 - Present

    NSMQ AI, Accra, Ghana

    • Developing and implimenting data preprocessing pipelines for AI training using variety of techniques, including data scraping, video croping, and textbook parsing.
    • Developing and Implementing Python scripts to parse textbooks into a well structured JSON, TXT and CSV format.
    • Contributing scripts and documentations to the open source nsmqai GitHub repo to support reproducibility and collaboration.
    • Complying with ML engineering best practices and data preprocessing code.
    • Developing and implementing a Python script to crop videos based on subject or riddles segmentation, identifying the start and end points of each subject or riddle in the video.


    September, 2022 - May 2023


    • Curated and Managed budget.
    • Sourced for funds and sponsorship to raise equal or more than the budgeted amount.
    • Analysed and Managed Cash flow internally and externally


    January, 2021 – January, 2022


    • Ensured daily Operations and maintenance of ten (10) mini-grid solar plant sites in Asaba, Delta State.
    • Troubleshooted, Maintained, Changed, and Installed smart meters.
    • Monitored all sites on two independent Software UI and resolved any observed issues within the shortest possible time.
    • Designed, installed, and maintained Solar PV systems.
    • Collated daily Energy generation and consumption data and reported daily to the regional operations manager.
    • Carried out monthly and weekly data analysis and presentation of site performance with improvement and optimisation suggestions.


    April, 2018 – October, 2018


    • Assisted in Heavy-duty machinery (Caterpillar machines and Trucks) servicing and maintenance.
    • Managed spare parts Inventories, diesel and engine oil usage daily.
    • Reported to the Head of the mechanical department.


    July, 2017 - September, 2017
    July, 2016 - September, 2016


    • Designed and managed Google forms for e-documentation
    • Transformed and uploaded physical files into e-records using Microsoft Suits, for the Department of Education Foundation .
    • Carried out WIFI connectivity monitoring and downtime optimization protocols

    leadership Skills

    Vice President

    2022 - 2023

    ARM Student Club, Ashesi University, Ghana

    • Technology / Innovation Club

    Vice President

    2022 - 2023

    ISA, Ashesi University, Ghana

    • International Students Association

    Platoon leader

    2020 - 2021

    NYSC, Rivers State Camp, Nigeria

    • National Youth Service Corps 2020 Batch B, Platoon Eight

    Project group leader

    2018 - 2019

    Mechanical Designs, University of Nigeria, Nigeria

    • Characterization of Crack Propagation in Natural Fibre Reinforced Polymer Composites.

    Download Resume

    Portfolio & Certifications

    Welcome to my portfolio, showcasing a diverse range of projects I've undertaken, ongoing endeavors, and my professional certifications. I invite you to explore each entry by clicking the link provided for comprehensive details. These projects and certifications represent my commitment to excellence and continuous growth in my field. Feel free to delve into the full spectrum of my work and qualifications.

    • All
    • Certifications
    • Projects
    Ernest working on Lathe Machine


    Contact Me Anytime, Anywhere! 🌐📞 Reach out 24/7 via Phone, WhatsApp, Email, or Direct Message Below! 📲✉️.


    1 University Avenue, Ashesi University, Berekuso, E/R Ghana


    +233 20 341 9117

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