Helmina Ayunda

Fresh graduate in Environmental Engineering from Diponegoro University with hands-on internship experience in the HSE division at PT. NSK Bearing Manufacturing Indonesia. Trained in hazard identification and risk assessment (HIRADC), hazardous waste management, and occupational health and safety (K3) practices within a high-standard international manufacturing environment. Passionate about creating safe, compliant, and sustainable workplaces.

Research Assistant at Departemen Teknik Lingkungan, Universitas Diponegoro (2025-09 – Present)

• Conducted primary waste data collection across 18 districts and 20+ villages, coordinating with 50 local farmers to establish a baseline for regional sustainable energy initiatives.
• Developed mass balance calculations to quantify corncob waste output and potential for energy conversion.
• Prepared a strategic document outlining waste management strategies for converting corncob biomass into renewable energy sources.
• Contributed to faculty-led research aimed at supporting regional sustainable waste and energy policies

Intern at PT. NSK Bearings Manufacturing Indonesia (2025-01 – 2025-02)

• Managed hazardous waste disposal operations (B3 metal chips) using strict containment protocols.
• Executed stack emission measurements across 13 chimneys to monitor air quality parameters, ensuring 100% compliance with national environmental standards through precise data sampling.
• Contributed to the development of 100+ chemical safety documents (MSDS) to centralize chemical hazard protocols.
• Conducted 5+ weekly inspection and documented hazards to support corrective actions and improve workplace safety.
• Monitored employee PPE compliance during routine inspections and promoted adherence to workplace safety standards.
• Assisted a strategic OHS training proposal for 10+ personnel to eliminate critical safety competency gaps and strengthening workplace.
• Provided recommendations for the implementation of Occupational Health and Safety (OHS) management systems in accordance with ISO 45001:2018 standards, supporting the company's commitment to continuous environmental and safety improvement.

Mentor at Kakak Asuh (2023-08 – 2024-01)

• Managed weekly progress reporting for the Year Book (Buku Angkatan) project, consolidating team deliverables and tracking milestones to ensure 100% on-time completion.
• Mentored 7 freshmen throughout the orientation program, guiding them through academic workflows, campus culture, and personal development to accelerate their university adaptation.
• Documented and evaluated student development programs with 0 report revisions, providing accurate references for future organizational event planning

Staff of Media at SEBERLING 2023 (2023-07 – 2023-08)

• Spearheaded social media campaigns by crafting educational Instagram copy for environmental initiatives, enhancing public awareness and participation across 100+ followers.
• Produced real-time event coverage for environmental campaign attended by 200+ participants.
• Created documentation on the day of the Seberling event.

Staff of Creative and Media at Hari Bumi (2023-02 – 2023-06)

• Created environmental and safety awareness campaigns by crafting persuasive social media copy, reaching 500+ audiences to promote sustainable practices and safety culture.
• Designed and published an interactive Instagram's filter for environmental campaigns, increasing student engagement by 80% through innovative digital safety and sustainability messaging.

Bachelor of Environmental Engineering in Environmental Engineering – Universitas Diponegoro (2022-08 – 2026-05)