Curriculum Vitae
Cardony Juven Salonika Sagala
Portfolio
I hold a degree in Engineering Physics from Universitas Gadjah Mada and am eager to embark on a professional career in instrumentation engineering, process automation, and control systems. Through projects, internships, and my thesis, I have developed strong competencies in field instrument specification analysis, instrument sizing, technical instrumentation drawings, protocol communication, and PLC programming. I am highly motivated to apply and further develop these skills and I am committed to delivering reliable, efficient, and innovative engineering solutions.
Juni 2025
Universitas Gadjah Mada
S1 • Teknik Fisika • IPK 3.21
Januari 2025 - Februari 2025
Expert/Lecturer Assistant in Instrumentation and Control Unit
PT. Kilang Pertamina Internasional • Project Base
• Conducted technical evaluation and specification analysis to replace turbine flowmeter with Coriolis flowmeter in custody transfer system Line 67, aiming to enhance measurement accuracy and reliability-supporting effective instrument maintenance and optimization.
• Assessed control system reliability issues on switching compressor and recommended segregation of BPCS and SIS systems to meet SIL requirements in compliance with ISA-84, contributing to improved performance and safer operation of critical instrumentation.
• Performed flowrate estimation and hydraulic calculations to define appropriate piping sizes, redundancy strategies, and instrument specifications for LPG custody transfer Line 39, supporting inspection and engineering planning activities.
• Utilized flowmeter sizing software to calculate pressure drops, ensuring proper selection and specification of field instruments to support reliable operations and preventive maintenance activities.
• Applied API and ISA standards to analyze and resolve various instrumentation and control challenges, contributing to system commissioning, testing procedures, and compliance reporting.
Februari 2024 - Juni 2024
Mechanical Engineering System Intern - Instrumentation Focus
PT Industri Kereta Api (Persero) • Magang
• Conducted simulation-based analysis of air pressure distribution in the pneumatic brake system of Jabodetabek KRL to support retrofit instrument selection, contributing to preventive maintenance planning and performance improvement of field instrumentation.
• Designed and simulated electro-pneumatic brake systems for Jabodebek KRL, including analysis of PLC control logic, supporting commissioning and functional testing activities to ensure proper control integration.
• Investigated and diagnosed automation door system failure on Jabodebek LRT by analyzing mechanical interface principles. Identified radar sensor reading errors caused by material obstruction and lack of maintenance-proposed material improvement and routine inspection to enhance sensor reliability.
• Estimated hydraulic force range in VMBI train locking suspension system by simulating fluid parameters (flow, pressure, temperature), supporting safety and reliability assessment aligned with preventive maintenance strategies.
• Developed automatic switching control logic for hydraulic suspension during load/unload operations, enhancing operational reliability and simplifying inspection and functional testing procedures.
Agustus 2023 - Desember 2023
Project Leader
Automation System Design (PSO) | Capstone Course of Physics Engineering UGM • Project Base
• Designed Piping & Instrumentation Diagram (P&ID) and Safety Instrumented System (SIS) based on Process Flow Diagram (PFD) and ISA-51 standards.
Process: Fuel Gas System, Distillation Column, and Water Injection Pump Plant.
• Developed technical documents: Instrument Index, Control Narrative, Instrument IO List, Cable Block Diagram, Junction Box Diagram, Instrument Loop Drawing, and Instrument Process Datasheet that accordance to ISA-20, ISA-52, dan ISA-54 standards.
• Determined field instrument sizing: control valve and orifices flowmeter, by manual calculation accordance to ISA-75 standard and software.
• Coordinated the team with 14 members for division of tasks and evaluated all the technical documents.
• Mentored 6 members (junior students) for basic P&ID drawing by CAD software.
Februari 2023 - September 2023
Creative Media Division Coordinator
Unit KKN-PPM UGM 2023 • Organisasi
• Created social media concept design and template design for KKN activities publication.
• Organized 6 members of the Creative Media Division to do the job descriptions, such as: publication, documentation, social media, proposal, editing design, etc.
• Managed a timeline design program for 3 months.
Januari 2023 - Februari 2023
Electrical-Instrumentation Intern
PT Sinar Tambang Arthalestasi | Pabrik Semen Bima • Magang
• Designed a compressor sequential control system using PLC S7-200 and HMI Weintek MT6071iP simulation software to ensure stable air supply, supporting control system testing and commissioning procedures.
• Supported instrument technicians in performing maintenance activities, including calibration of sensors, transmitters, and gas analyzers-enhancing the reliability of instrumentation systems and contributing to effective routine inspections and maintenance records.
Januari 2023 - Januari 2024
Member
Ikatan Mahasiswa Berprestasi (IMAPRES) Kabupaten Wonogiri • Organisasi
• Selected as one of Wonogiri Government scholarship awardees from over 2000 participants.
• Designed air quality monitoring system of Final Disposal Site in Ngadirojo to minimize the adverse impact on community health and environment .
• Improved UMKM social branding by creating banners, social media, and product label designs.
• Conducted socialization of stunting prevention to local communities.
November 2021 - November 2022
Human Resources & Development Bureau Member
Keluarga Mahasiswa Teknik Nuklir dan Teknik Fisika (KMTNTF) • Organisasi
• Led Equipment Division of KMTNTF Upgrading 2022.
• Monitored performance of 10 members by created monthly activity report document.
• Facilitated discussions events to upgrade soft skills of over 20 members.
November 2020 - November 2022
General Coordinator of the Principal Launching 2021
Cendekia Teknika FT UGM • Organisasi
• Led 23 members of Cendekia Teknika Principal Launching 2021 Committee.
• Created and organized job descriptions for 4 divisions.
• Maintain proactive communication between 4 divisions.
• Led post-event evaluation.
Januari 2024
Proces Control and Instrumentation Masterclass
Udemy • UC-d7a7d4aa-10e1-49fb-ad0b-407114aa2616
Media
Januari 2024
Peserta Magang Bersertifikat (MSIB) PT. Industri Kereta Api (INKA) Tahun 2024
PT. Industri Kereta Api (INKA) • 031/22/MSIB/INKA/2024
Diterima menjadi peserta magang bersertifikat (MSIB) Tahun 2024 di PT. INKA sebagai Mechanical Engineering System Intern dan terlibat dalam berbagai proyek kereta: KRL Jabodetabek, LRT Jabodbek, kereta New Generation, dan kereta perawatan jalan VMBI
Media
Desember 2023
Mahasiswa Berprestasi Kabupaten Wonogiri Tahun 2023/2024
Pemerintah Kabupaten Wonogiri • KEPUTUSAN BUPATI WONOGIRI NOMOR 427/323/HK/2023422.5
Terpilih sebagai salah satu dari 393 penerima baru Penghargaan Mahasiswa/Pemuda Berprestasi Kabupaten Wonogiri tahun 2023/2024 dari +1000 pendaftar. Proses seleksi meliputi administrasi, essay dan video rencana kontribusi pembangunan Kab. Wonogiri, serta wawancara.