Mylene Constantino
Al Khobar
Summary
Dedicated Instructional Assistant and Substitute Teacher with proven experience in supporting high school science instruction, managing classrooms, and enhancing student engagement. Known for strong communication, problem-solving, and organizational skills, with a focus on safety and quality standards. Proficient in Google Workspace and committed to fostering collaborative learning environments and driving student success.
Overview
24
24
years of professional experience
2002
2002
years of post-secondary education
Work history
Substitute teacher
American School Dhahran
Dhahran, Saudi Arabia
2025.11 - Current
- Followed and implemented lesson plans provided by classroom teachers to ensure continuity of learning during their absence.
- Monitored class engagement and worked to cultivate inclusive atmosphere for all students.
- Built rapport with students to provide top-quality instruction.
- Took attendance and maintained records in line with teacher-established processes.
- Achieved effective classroom management prioritizing safety and security of the students.
- Managed a tidy classroom environment, promoting a focused learning atmosphere.
- Supervised students during break periods and meals to address safety or behavioural issues.
- Attended staff meetings if required.
- Performed other duties assigned by the administrators.
Instructional Assistant
American School Dhahran-International Schools Group
Dhahran
2016.08 - 2025.09
- Prepared and set up experiments across Biology, Chemistry, and Physics for all grade levels, ensuring compliance with safety protocols.
- Supported teachers and students during lab sessions, promoting safe and effective use of scientific equipment and materials.
- Prepared chemical solutions and reagents; ensured safe storage, accurate labeling, and proper handling of hazardous substances.
- Operated, calibrated, and maintained wide variety of lab equipment including Vernier data-collection tools.
- Assisted IB (International Baccalaureate) students with Internal Assessments (IAs), offering guidance on experiment design, equipment use, chemical prep, and data collection.
- Maintained clean, organized, and sanitized lab spaces; followed correct disposal procedures for hazardous waste in line with safety regulations.
- Managed lab inventory, processed local and international supply orders.
- Managed and maintained the chemical storeroom, ensuring proper segregation, labeling, and safe storage of chemicals in accordance with institutional and regulatory safety guidelines.
- Managed lab schedules to ensure that all materials and equipment were adequately prepared and available for simultaneous lab sessions.
- Provided technical support to staff and trained new team members to ensure consistent lab operations and safety standards.
- Assisted the department with any classroom maintenance and technology requests. (Done through KissFlow)
- Subbed for Teachers. Followed and implemented lesson plans provided by classroom teachers to ensure continuity of learning during their absence.
- Proctored the SAT, ensuring secure testing conditions and adherence to College Board protocols.
Medical Lab Specialist
King Abdulaziz Airbase - Armed Forces Hospital
Dhahran
2005.01 - 2015.01
- Conducted complex laboratory tests and analyses on a wide range of patient specimens (blood, urine, tissue, etc.) to assist physicians in accurate diagnosis and effective treatment planning.
- Developed and implemented rigorous quality control protocols, ensuring precision, accuracy, and reliability of test results in compliance with lab standards and accreditation requirements.
- Collaborated closely with doctors and healthcare teams to interpret laboratory findings, providing timely and clinically relevant information to support patient care decisions.
- Trained and supervised junior laboratory staff and interns, ensuring adherence to standard operating procedures (SOPs), safety protocols, and good laboratory practices.
- Maintained and calibrated laboratory equipment regularly, troubleshooting issues promptly and ensuring full compliance with health, safety, and hygiene regulations.
- Contributed to maintaining accurate laboratory records, patient data confidentiality, and compliance with regulatory bodies.
Medical Technologist
Mary Mediatrix Medical Center
2003.09 - 2004.12
- Conducted complex laboratory tests and analyses on a wide range of patient specimens (blood, urine, tissue, etc.) to assist physicians in accurate diagnosis and effective treatment planning.
- Developed and implemented rigorous quality control protocols, ensuring precision, accuracy, and reliability of test results in compliance with lab standards and accreditation requirements.
- Collaborated closely with doctors and healthcare teams to interpret laboratory findings, providing timely and clinically relevant information to support patient care decisions.
- Trained and supervised junior laboratory staff and interns, ensuring adherence to standard operating procedures (SOPs), safety protocols, and good laboratory practices.
- Maintained and calibrated laboratory equipment regularly, troubleshooting issues promptly and ensuring full compliance with health, safety, and hygiene regulations.
- Contributed to maintaining accurate laboratory records, patient data confidentiality, and compliance with regulatory bodies.
Drug Testing Analyst
Mark Drug Testing Center
2002.10 - 2003.08
- Collected and processed biological urine specimens from individuals renewing or reinstating driver's licenses, following strict chain-of-custody protocols.
- Conducted drug screening tests using approved analytical methods.
- Ensured full compliance with DOT and health department regulations related to substance abuse testing and reporting.
- Verified test results, prepared documentation, and reported findings securely and confidentially to the relevant licensing authority.
- Maintained and calibrated testing instruments, ensuring reliability, accuracy, and timely results.
- Managed data entry and recordkeeping in compliance with data protection laws and departmental protocols.
- Identified and reported any irregularities, tampering, or non-compliance issues promptly to supervisors or compliance officers.
- Educated clients on testing procedures, rights, and responsibilities while maintaining professionalism and discretion.
- Collaborated with compliance teams and legal departments to ensure proper handling of positive test results or disputes.
- Followed safety and hygiene standards in specimen collection and laboratory operations.
Education
Bachelor of Science - Medical Technology
Centro Escolar University
Manila, PhilippinesSkills
- Excellent communication and interpersonal skills
- Ability to work independently and as part of a collaborative team
- Effective problem-solving and troubleshooting abilities
- Excellent time management and multitasking capabilities
- Experienced in training and onboarding new team members
- Consistent commitment to safety, quality, and operational standards
- Proficient in Google Workspace (Docs, Sheets, Slides, Forms, Drive, Gmail, Calendar)
- Strong attention to detail and accuracy
REFERENCES
- Richard, Smith, Head of Science Department - ASD, smith.ro4@isg.edu.sa, +966 568719342
- Will, McConnell, Assistant Principal - ASD, mccon.w04@isg.edu.sa, +966 549209159
- Brent, Wingers, Principal - ASD, winge.o4@isg.edu.sa, +966 502062549
Timeline
Substitute teacher
American School Dhahran
2025.11 - Current
Instructional Assistant
American School Dhahran-International Schools Group
2016.08 - 2025.09
Medical Lab Specialist
King Abdulaziz Airbase - Armed Forces Hospital
2005.01 - 2015.01
Medical Technologist
Mary Mediatrix Medical Center
2003.09 - 2004.12
Drug Testing Analyst
Mark Drug Testing Center
2002.10 - 2003.08
Bachelor of Science - Medical Technology
Centro Escolar University