Celline Butuem

Summary

Passionate IT professional with more than 13 years of experience, including 5 as System Administrator specialized in Linux servers; proactive and organized.

Education

• MSc in Computer Science - Rochester Institute of Technology (2016)
  • Capstone project: Image Segmentation via Graph Cuts with Connectivity Priors. (GPA 3.36)
• BSc in Physics - Universidade de São Paulo (2010)

Work history

• Brazilian Air Force - System Administrator (Jun. 2016 - Jul. 2019; Dec. 2020 - Present)
  • Management and support of more than ten Linux servers (Ubuntu and Debian) with different services, such as file server (Samba), e‑mail, website and DNS.
  • Implementation and administration of e‑mail server and service (Zimbra Collaboration Open Source) in multiple virtual servers (VMWare).
  • Shell script development for backup and maintenance of e‑mail accounts.
  • Support and administration of several websites Joomla in a Docker structure.
  • Administration of Microsoft Active Directory (Windows server 2019) users and groups accounts and attribute modification optimization through Windows PowerShell scripting.
• CUBi Energia - Data Analyst (Dec. 2019 - Dec. 2020)
  • Developed several algorithms to identify cost reduction opportunities relative to energy comsumption, using Python.
  • Data collection procedure optimization by developing a process automation system using shell scripting and Python.
  • Energy consumption data pre‑processing and validation for multiple clients, using Python and BigQuery.
  • Cloud‑based (Google BigQuery) database maintenance for supporting the cost reduction opportunity system.
• Brazilian Air Force - IT Support Technician (Dec. 2006 - Aug. 2014)
  • Configured hardware, devices and software to set up work stations for employees.
  • Removed and replaced malfunctioning components to correct hardware problems.
  • Responded to support requests from end users and walked individuals through basic troubleshooting tasks.
  • Managed IT equipment inventory.

Skills/Tools

• Linux
• Windows
• Bash
• Python
• PowerShell
• Docker
• VMware
• XCP-ng
• Windows Active Directory
• Git
• AWS
• Google Cloud
• Microsoft 365

Languages

• Portuguese (Brazilian) - Native
• English - Advanced (IELTS General Training ‑ Overall: 8.5)
• French - Intermediate (TEF Canada ‑ Compréhension écrite et orale: C1 ; Expression écrite et orale: B2)

Certifications

• AWS Certified Cloud Practitioner (2022)
• Python Programmer from DataCamp (2019)