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
2025.10 - 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
2023.06 - 2025.01
- 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
2020.07 - 2020.11
- 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 2008.01 - 2014.09
SECONDARY SCHOOL EDUCATION - SCIENCE STUDIES
EPIPHANY SECONDARY SCHOOL
TANZANIA 2015.01 - 2018.11
DIPLOMA - COMMUNICATION SYSTEMS AND TECHNOLOGY
DAR-ES-SALAAM INSTITUTE OF TECHNOLOGY
TANZANIA 2018.11 - 2022.07
CERTIFICATE - CISCO CERTIFIED NETWORK ASSOCIATE (CCNA)
DAR-ES-SALAAM INSTITUTE OF TECHNOLOGY
TANZANIA 2023.01 - 2023.05
CHINESE LANGUAGE
LANZHOU JIATONG UNIVERSITY
LANZHOU,CHINA 2025.02 - 2025.08
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
2025.10 - Current
CHINESE LANGUAGE
LANZHOU JIATONG UNIVERSITY
2025.02 - 2025.08
System and network administrator
MR ELECTRICAL CO.LTD
2023.06 - 2025.01
CERTIFICATE - CISCO CERTIFIED NETWORK ASSOCIATE (CCNA)
DAR-ES-SALAAM INSTITUTE OF TECHNOLOGY
2023.01 - 2023.05
FIELD STUDENT
TTCL
2020.07 - 2020.11
DIPLOMA - COMMUNICATION SYSTEMS AND TECHNOLOGY
DAR-ES-SALAAM INSTITUTE OF TECHNOLOGY
2018.11 - 2022.07
SECONDARY SCHOOL EDUCATION - SCIENCE STUDIES
EPIPHANY SECONDARY SCHOOL
2015.01 - 2018.11
PRIMARY EDUCATION - GENERAL STUDIES
Star International School
2008.01 - 2014.09