HANS SEBASTIAN
DAR-ES-SALAAM,TANZANIA
Summary
Hardworking system/network administrator proficient in hardware, software and security planning. Able to select, install, configure and manage components. Flexible schedule and adaptable approach. With background in Information Technology. Progressive experience in the field marked by continuous contributions above and beyond requirements.
Overview
6
6
years of professional experience
15
15
years of post-secondary education
Work history
System Technical Operations supervisor
TAGMETER TANZANIA
Dar es Salaam, TANZANIA
10.2025 - Current
- Installed and operated LoRa network and ultrasonic smart prepaid water meters.
- Resolved customer queries, elevating client satisfaction levels.
- Diagnosed and rectified equipment failures through systematic scanning of systems.
- Performed routine audits of systems, implementing necessary updates promptly.
- Delivered first-line technical support, ensuring swift on-site issue resolution.
- Collaborated with team members to meet project deadlines efficiently.
- Documented repairs accurately in log book for effective record-keeping.
- Facilitated training sessions on new technology, enhancing user competency.
System and network administrator
MR ELECTRICAL CO.LTD
DAR-ES-SALAAM, TANZANIA
06.2023 - 01.2025
- Planned and implemented upgrades to system hardware and software.
- Implemented, maintained, developed and tested the installation and update of file servers, print servers and application servers in all departments.
- Configured, tested and maintained network equipment.
- Improved installation and configuration procedures to maintain stable traffic and response times.
- Maintained up-to-date software inventory, managing vendor hardware and software licensing to guarantee compliance.
- LAN Installation in buildings
- Website design
- Deployed and managed complex networks with 70+ users, including Wi-Fi, and LANs
FIELD STUDENT
TTCL
DAR-ES-SALAAM, TANZANIA
07.2020 - 11.2020
- Analysed existing hardware, software and networking systems to bolster data security.
- Planned and executed the selection, installation, configuration and testing of switches and routers.
- Automated patching and updates to improve efficiency and accuracy of network administration.
- Improved installation and configuration procedures to maintain stable traffic and response times.
Education
PRIMARY EDUCATION - GENERAL STUDIES
Star International School
TANZANIA 01.2008 - 09.2014
SECONDARY SCHOOL EDUCATION - SCIENCE STUDIES
EPIPHANY SECONDARY SCHOOL
TANZANIA 01.2015 - 11.2018
DIPLOMA - COMMUNICATION SYSTEMS AND TECHNOLOGY
DAR-ES-SALAAM INSTITUTE OF TECHNOLOGY
TANZANIA 11.2018 - 07.2022
CERTIFICATE - CISCO CERTIFIED NETWORK ASSOCIATE (CCNA)
DAR-ES-SALAAM INSTITUTE OF TECHNOLOGY
TANZANIA 01.2023 - 05.2023
CHINESE LANGUAGE
LANZHOU JIATONG UNIVERSITY
LANZHOU,CHINA 02.2025 - 08.2025
Skills
- Web development
- Linux systems admin
- Network development and administration
- Hardware and software installation
- Programming
- Network Pen-testing
- Network configuration and maintenance
- IT consultation
- Software installation and configuration
- Email system set-up experience
- IT help desk services
- Switching and routing
- LoRa Network Installation and maintenance
Languages
Swahili
Native
English
Fluent
Chinese (Mandarin)
Elementary
Timeline
System Technical Operations supervisor
TAGMETER TANZANIA
10.2025 - Current
CHINESE LANGUAGE
LANZHOU JIATONG UNIVERSITY
02.2025 - 08.2025
System and network administrator
MR ELECTRICAL CO.LTD
06.2023 - 01.2025
CERTIFICATE - CISCO CERTIFIED NETWORK ASSOCIATE (CCNA)
DAR-ES-SALAAM INSTITUTE OF TECHNOLOGY
01.2023 - 05.2023
FIELD STUDENT
TTCL
07.2020 - 11.2020
DIPLOMA - COMMUNICATION SYSTEMS AND TECHNOLOGY
DAR-ES-SALAAM INSTITUTE OF TECHNOLOGY
11.2018 - 07.2022
SECONDARY SCHOOL EDUCATION - SCIENCE STUDIES
EPIPHANY SECONDARY SCHOOL
01.2015 - 11.2018
PRIMARY EDUCATION - GENERAL STUDIES
Star International School
01.2008 - 09.2014