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marissa choirunisa

@marissachoirunisa

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Informatics-minded communications & marketing secretary who builds data-driven content operations.

Indonesia

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What I'm looking for

I want to work where communications and digital execution meet data-backed decisions. I’m looking for a team that values disciplined operations, fast learning, and measurable performance—so I can grow in marketing, analytics, and web-enabled delivery.

I’m an Informatics Engineering graduate who blends communications, administration, and practical data analysis to keep marketing teams running smoothly. I bring strong computer operation and communication skills, with a disciplined, detail-oriented approach to both independent work and collaboration.

In my most recent role as Secretary to the Communications & Marketing Department, I managed daily, weekly, and monthly schedules for the Head of Communications and Marketing, coordinated internal and external meetings, and handled all incoming and outgoing communications (email and telephone). I also archived vital departmental documents (100+ incoming/outgoing letters), organized business travel logistics, maintained a technical marketing database with up-to-date product/mineral specifications, and collected performance data to draft monthly performance reports.

I also support front-line digital presence and operational alignment—serving as the primary point of contact for official social media platforms (LinkedIn, Instagram, etc.) and supporting SCM functions through vendor identification and procurement for digital vendors. Earlier experience strengthened my digital execution: I contributed to consistent social media and department website content updates, improved website navigation for retention, and delivered analytics using clustering (K-medoids) while building CRUD functionality with the CodeIgniter Framework for a library information system.

Experience

Work history, roles, and key accomplishments

Secretary, Communications & Marketing

PT Zeolite Natura Tangguh

Nov 2023 - Apr 2025 (1 year 5 months)

Managed daily/weekly/monthly schedules for the Head of Communications & Marketing, coordinated internal and external meetings, and archived 100+ incoming/outgoing letters. Handled team communications and travel logistics, maintained marketing databases/specifications, supported vendor/procurement for digital services, and managed official social media responsiveness per company guidelines.

Scheduling Document Management Database Management Report Writing Vendor Identification Procurement Support

Digital Marketing Assistant

PT Zeolite Natura Tangguh

Apr 2023 - Nov 2023 (7 months)

Supported daily management and consistent content updates for Instagram/LinkedIn and the department website, contributing to content pillar strategy and engagement-focused creation. Helped improve website navigation to enhance user retention and supported candidate hiring by managing interview schedules and assisting initial interviews.

Social Media Management Content Pillar Strategy Content Creation User Retention Canva Candidate Interview Scheduling

Admin (Thesis Project)

Konveksi Hoolaqueen

Jan 2022 - Mar 2022 (2 months)

Input daily sales data for 2020–2021 into MS Excel and analyzed performance to identify best-selling and underperforming items. Built future sales strategy insights and summarized results using the K-medoids clustering method for clearer decision-making.

Microsoft Excel Sales Analytics K Medoids Clustering Summarization Strategy Development

Library Admin Intern

MTsN 3 Tasikmalaya

Jan 2020 - Mar 2020 (2 months)

Managed library book loan data by inputting records into MS Excel to support library administration. Designed and implemented a school library information system website with CRUD functionality using the CodeIgniter framework.

Microsoft Excel CRUD Development CodeIgniter Web Application Development Information Systems

Education

Degrees, certifications, and relevant coursework

Universitas Perjuangan Tasikmalaya

Bachelor of Informatics Engineering, Informatics Engineering

2017 - 2022

Grade: 3.81/4.00

Activities and societies: Participated in KKN community service in Kawalu, Tasikmalaya City. Active in HIMATIF as Secretary.

Earned a Bachelor’s degree in Informatics Engineering, graduating with a GPA of 3.81/4.00. Completed coursework and projects including data analysis and building a library information system with CRUD functionality using CodeIgniter.