Othonny T.
Mid-Level Administrative Assistant
Open to offersNew to PlatformAbout
Othonny T. is an experienced administrative and secretarial professional with a background spanning public and private companies in the commercial, technological, and public sectors in Brazil. Currently an undergraduate in Executive Secretarial Studies at the Federal University of Sergipe, Othonny applies expertise as an Administrative Assistant at Petrox Comercial LTDA, handling invoice processing, management software problem-solving, and document control. At Invisible Technologies, Othonny serves as a Portuguese Language Specialist – Trainer AI, conducting AI language model evaluation and leveraging local cultural knowledge for language accuracy. Previous roles include administrative support and executive secretarial services for Aracaju City Hall’s health department and managing technical teams in the telecom sector. Othonny is proficient in advanced Excel, Microsoft 365, and Generative AI, and demonstrates advanced English and intermediate Spanish language skills.
Experience
Portuguese Language Specialist – Trainer AI
Invisible Technologies · 2025 — PresentIdentify and recommend language models focusing on verb conjugation, noun-adjective agreement, and sentence structure. Assist with translations from Portuguese (Brazil) and conduct evaluations of language model responses in Brazilian Portuguese. Validate outputs for accuracy and relevance, utilizing local linguistic expertise while maintaining thorough documentation to ensure quality control.Administrative Assistant
Petrox Comercial LTDA · 2023 — PresentHandle invoicing processes, including receiving and issuing invoices. Make necessary tax adjustments and corrections on purchase invoices, while also updating and correcting product registrations. Identify potential issues in management software.Special Services Assistant
Aracaju City Hall – Health Municipal Secretary · 2023 — 2023Support the administrative department of the Aracaju Municipal Health Department through executive secretarial functions. Create and utilize Excel spreadsheets containing budget tables and charts. Manage the Director's schedule and appointments while scheduling meetings and issuing internal communications. Contribute to the delivery of assets for inaugurations.Administrative Assistant
Boaz Comércio e Serviços Telecom – EIRELI · 2018 — 2020Oversee technical teams for the installation of internet and TV services. Organize installation itineraries and schedule customer services while providing secretarial assistance to co-owners. Manage inventory, storage, and archiving of physical documents, in addition to receiving and checking equipment and PPE.Manager
LGP Comércio e Tecnologia LTDA · 2017 — 2018Supervise the store and sales team, leading and training staff in sales techniques. Organize work shifts and manage product purchases. Engage in direct customer consultations while employing digital marketing strategies on social media and Google.Copywriter
Reembolse Intermediação de Negócios - LTDA · 2016 — 2017Develop strategic content linked to digital sales and analyze team-created content. Conduct analyses of Google Ads and assess competition within the market.Administrative Assistant
Reembolse Intermediação de Negócios - LTDA · 2015 — 2016Produce informative content and organize website page layouts while analyzing organic traffic data. Conduct organic traffic analysis using Google SEO and assess competitive positioning.
Skills & Expertise
Education
- Undergraduate student in Executive Secretarial StudiesFederal University of Sergipe · — — 2026
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