Curriculum vitae

Doubra Sipi

Physicist · Researcher · Technology Professional · STEM Educator

Port Harcourt, Rivers State, Nigeria

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Profile

I am a physicist, theoretical physics researcher, and multidisciplinary technology professional. My work brings together nuclear physics and scientific modelling, telecommunications and digital systems, data and AI, STEM education, and visual communication.

Holds an M.Sc. in Theoretical Physics and is pursuing a PhD in Theoretical Physics, with research interests in nuclear physics, nuclear energy, reactor neutronics and scientific modelling. Combines analytical and problem-solving skills with practical experience supporting digital systems, coordinating technical operations, developing educational content, and teaching Physics and Mathematics.

Also works in freelance graphic design and has experience in web content writing and transcription.

Education

PhD, Theoretical Physics

University of Port Harcourt · Choba, Rivers State, Nigeria

Research focus: Neutronic Analysis and Core Optimization of a Small Modular Reactor (SMR) Concept for Grid Integration in Nigeria.

M.Sc., Theoretical Physics

University of Port Harcourt · Choba, Rivers State, Nigeria

CGPA: CGPA 4.11 / 5.00

Thesis: The Effect of Vector Meson on the Ground State Properties of Nuclear Matter in the Relativistic Mean Field Theory.

Postgraduate Diploma (PGD), Physics

University of Port Harcourt · Choba, Rivers State, Nigeria

Thesis: Dispersion of Radioactive Effluent from Nuclear Power Stations.

B.Sc. (Ed.), Physics Education

Delta State University · Abraka, Delta State, Nigeria

Research

Neutronic Analysis and Core Optimization of a Small Modular Reactor (SMR) Concept for Grid Integration in Nigeria

Ongoing

PhD research, University of Port Harcourt. Reactor neutronics and core optimisation.

Non-linear Vector Meson Self-interaction in Relativistic Mean Field Theory

In preparation

Paper in preparation. Related to the M.Sc. thesis (2024).

Analytical Solution of the Advection-Diffusion Equation for Radioactive Effluent Dispersion

In preparation

Paper in preparation. Builds on the PGD thesis (2019).

Conference contribution

NIP Conference, Nnamdi Azikiwe University, Awka, Nigeria

“Models of The Relativistic Mean Field Description of Nuclear Matter - Recent Advances”

Professional experience

Regional Coordinator

Golden Petals Limited · Rivers State, Nigeria

  • Coordinate field activities supporting FTTH and fibre-network installation and operations.
  • Support site assessments, fibre routing, installation, configuration, and maintenance activities.
  • Assist with troubleshooting fibre faults, signal loss, and connectivity issues.
  • Coordinate field engineers, technicians, customers, and other project stakeholders.
  • Monitor work progress, maintain project records, and support quality assurance and safety processes.

Technical Assistant / Physics and Mathematics Teacher

Rolings Montessori Academy · Alakahia, Rivers State, Nigeria

End date under review: an earlier CV records December 2024.

  • Supported school ICT operations, computer-room activities, IT assets, and end-user technical needs.
  • Assisted with the transition from paper-based processes to the Skoolbod digital school-management platform and supported users during adoption.
  • Managed and supported digital learning activities, including LearnDash backend administration.
  • Delivered Physics and Mathematics lessons and supported practical and classroom learning.
  • Used digital tools including Zoom, Google Meet, and Google Classroom to support teaching and learning.
  • Developed and organised digital learning resources.

Instructional Design Specialist

SmartMathz Tutoring · Baldwin, New York, USA (Remote)

  • Developed web-based Mathematics learning content aligned with New York P-12 standards.
  • Used Articulate Storyline to create interactive learning materials.
  • Delivered online Mathematics tutoring to students in Grades 3–12 through Zoom.
  • Supported communication between students, teachers, and the administration team.
  • Provided remote technical support and assisted with digital learning operations.
  • Contributed to educational banners and flyers.

ICT Administrator / Physics Teacher

Epsilon3 Schools · Effurun, Delta State, Nigeria

  • Supported school ICT administration and day-to-day technology needs.
  • Used Excel to support the preparation and management of student results.
  • Provided basic technical support and maintained ICT-related records.
  • Taught Physics and supported students’ understanding of scientific concepts.

NYSC Mathematics Tutor

Sahawa Foundation · Tunkuntawa, Kano State, Nigeria

  • Delivered Mathematics lessons to learners with varied educational backgrounds.
  • Adapted explanations and teaching methods to support learners with limited English proficiency.

Freelance and additional professional work

Freelance Curriculum Design Specialist

Siotoh Academy · Freelance · Florida, USA (Remote)

  • Collaborated with a team to develop and improve a Legal Office Assistant course curriculum.
  • Reviewed existing curriculum materials and contributed to their improvement.
  • Created educational learning videos to support course delivery.

Freelance Web Content Writer

Tradexbox · Freelance · Remote

  • Wrote web content on financial and consumer topics.
  • Contributed articles including “What to Know Before Borrowing From Binance Loan” and “Domiciliary Account.”

Freelance Transcriptionist

Gee's Africa · Freelance · Remote

  • Produced written transcripts from audio content.
  • Focused on accurate transcription, clear formatting, and adherence to task requirements.

Freelance Graphic Designer

Self-employed · Remote

  • Create graphic design materials for communication, educational, and promotional purposes.
  • Develop visual content based on project briefs and client requirements.

Freelance Online Mathematics Tutor

Independent · Remote

  • Provide online Mathematics tutoring to learners across primary and secondary levels.
  • Currently support learners across Grades 3–10 under the Ontario curriculum.
  • Adapt explanations and practice activities to students’ learning needs.

Technical skills

Telecommunications & IT

  • FTTH and fibre-network installation and operations support Professional experience
  • Site coordination and technical troubleshooting Professional experience
  • End-user support and basic hardware/software troubleshooting Professional experience
  • IT asset coordination and records management Professional experience
  • Basic LAN concepts, DHCP and DNS Working knowledge
  • Printers, office equipment and audiovisual support Professional experience

Data & digital tools

  • Microsoft Excel Professional experience
  • Google Workspace Professional experience
  • Power BI Training / developing
  • Data cleaning, organisation, analysis and visualisation Training / developing
  • Database management Working knowledge
  • Python and NumPy Training / developing
  • Mathematica Research use
  • OpenMC Learning

Education & digital learning

  • LearnDash Professional experience
  • Skoolbod Professional experience
  • Articulate Storyline Professional experience
  • Zoom, Google Meet and Google Classroom Professional experience
  • Online tutoring and digital lesson delivery Professional experience
  • Curriculum and instructional content development Professional experience

Creative & communication

  • Graphic design Freelance experience
  • Video editing Freelance experience
  • Web content writing Freelance experience
  • Transcription Freelance experience
  • Educational content development Professional experience

Proficiency is described in words rather than percentages. Python, NumPy, Mathematica and OpenMC levels remain under review and will be updated after confirmation.

Certifications, fellowships and training

  • Fiber Optic Technician Training Certificate, 2025

    Golden Petals Limited

  • Qubators AI Foundry Programme

    Qubators

    Fellow. Official programme title to be confirmed.

  • MIT Universal AI Foundations

    MIT

  • ATF AI Challenge

    Fellow.

  • 3MTT Data Analytics Training

    Federal Ministry of Communications, Innovation and Digital Economy, Nigeria

    Training year to be confirmed.

  • McKinsey Forward Advance Certificate, February 2023

    McKinsey & Company

  • ALX Virtual Assistant Certification, 2022

  • Side Hustle Data Analysis in Excel, 2022

  • Jobberman Soft Skills Certification, May 2022

    Jobberman

  • Humanitarian Leadership Fellowship, November 2021

    Institute for Development Research

Editorial notes

These items are pending confirmation and are flagged rather than silently resolved:

  • Rolings Montessori Academy end date: January 2021 – present, or December 2024.
  • Qubators AI Foundry Programme: official programme title.
  • 3MTT Data Analytics Training: year to display.
  • Python, NumPy, Mathematica and OpenMC: proficiency levels.
  • Public contact details: awaiting approval.