KELVIN MUTURI
Day Wireless Systems
NEWCASTLE,US
1
Certification
13
years of professional experience
Seasoned technical expert for Public safety systems and other electronics equipment and networks, adept in troubleshooting and systems design, with a proven track record at Day Wireless Systems.
Equipped with strong problem-solving abilities, willingness to learn, and poised to contribute to team success and achieve positive results. Ready to tackle new challenges and advance organizational objectives with dedication and enthusiasm.
Work History
Senior Systems Technologist
3 Years 5 Months- Public safety Systems, RF Sites and 911 dispatch console site including CAD systems and PBX projects, Proficient with Solarcom,Vesta system, open-source UC platforms, Kamailio, Freewitch, Management and Maintenance and Providing technical support on emergency communications systems.
- VoIP/RoiP architecture and solutions deployment.
- Strong knowledge of VoIP protocols (SIP, RTP, SDP, H.232)
- Operation and maintenance of wide area, simulcast, P25 land mobile radio systems.
- Design, monitoring and management of radio network equipment and site infrastructure. Implementation of Network operations and Administration, IP numbering schemes and subnetting, routeing, switch configuration, Data Center Maintenance and disaster recovery, servers, Land Mobile Radio system programming, reporting and event management, and troubleshooting wireless communication systems.
- RF troubleshooting, Ethernet, Radio Systems Design, Installation.
- Technical support and expertise for small and large projects, Commissioning and removal, Connectors - Cable termination and dressing to provide safe means, organizing equipment within a large and ambiguous electronics systems environment, use of electronics tools, network monitoring tools, network tester, electrical and mechanical faults, reading and drawing blueprints, schematics, repair & rework of circuit boards, soldering.
- Establishing and maintaining effective working relationships with stakeholders and collaborating with others to achieve service and operational goals.
- Microwave, BDA, DAS, P25 system (TDMA/FDMA) and subscriber equipment, Code plug template development and programing, Radio management, fiber optics maintenance, DC, AC, and applied RF theory, Oscilloscopes, Spectrum analyzer, Anritsu, Viavi test sets among others.
Avionics Technician
7 Months- Aircraft electronic systems Maintenance and repair, component level troubleshooting, Cable termination.
- Installing, upgrading and testing aircraft electronic communications devices.
- Troubleshooting: Identifying and fixing the root cause of issues with faulty voltmeters to test electronic instruments.
- Maintenance: Performing scheduled maintenance and evaluations of aircraft. This includes repairing or replacing electrical components.
- Assembly: Assembling avionics components using hand tools or soldering irons.
- Testing: Testing and implementing avionics systems and products based on specifications and interpreting flight test data to diagnose performance issues.
- Support: Setting up ground support and testing equipment to check flight-readiness equipment or systems.
Radio Frequency Technician
1 Year 5 Months- Ethernet/ RF sites Audit and maintenance Projects: PSERN, LAPD/LA Rics radio system - Coverage testing -P25 Systems.
- Technical support and expertise for small and large projects, Commissioning and removal, Connectors - Cable termination and dressing to provide safe means, organizing equipment within a large and ambiguous electronics systems environment, use of electronics tools, network monitoring tools, network tester, electrical and mechanical faults, reading and drawing blueprints, schematics, repair & rework of circuit boards, soldering.
- Establishing and maintaining effective working relationships with stakeholders and collaborating with others to achieve service and operational goals.
- Microwave, BDA, DAS, Astro system (TDMA/FDMA) and subscriber equipment, Code plug template development - CPS/Radio management, Dispatch console - Z2 Mini / VPM configuration and troubleshooting, fiber optics maintenance, DC, AC, and applied RF theory, Anritsu Line sweeps.
Electronics Technician
3 Months- Circuit board rework, Bench Tech troubleshooting, Assembly line test technician.
- Use of spectrum Analyzer, Signal Generator, Oscilloscope.
- Drawing blueprints schematics, repair & rework of circuit boards SMC/Through hole - soldering and use of electronics test equipment such as Watt meter, Oscilloscopes, Signal Generators and multimeters.
Electronics Communications Technician
4 Years- WAN/LAN Operations - IP numbering schemes and subnetting, server, router, switch management and configuring
- Circuit board rework, Bench Tech / Bench checks, troubleshooting, Assembly line test technician
- Use of spectrum Analyzer, Signal Generator, Oscilloscope.
- Drawing blueprints schematics, repair & rework of circuit boards SMC/Through hole - soldering and use of electronics test equipment such as Watt meter, Oscilloscopes, Signal Generators and multimeters.
Education
No Degree - Advanced Avionics
Bachelor of Arts - Communication Technology
No Degree - Computer Networking And Administration
Skills
VoIP Protocols: Mastery of SIP (Session Initiation Protocol) and RTP (Real-time Transport Protocol) for managing call signaling and audio streams.
IP Networking: Deep knowledge of TCP/IP
VLANs
DNS
DHCP
and routing protocols like OSPF or BGP.
Quality of Service (QoS): Experience prioritizing voice packets to reduce jitter
latency
and packet loss.
PBX & Unified Communications Platforms: Hands-on skill with enterprise systems like Cisco Unified Communications Manager (CUCM) or open-source solutions like Asterisk.
Network Analysis Tools: Ability to capture and decode packets using Wireshark for deep troubleshooting.
RF Theory and Principles: Understanding electromagnetic waves
signal propagation
and circuit analysis.
Test Equipment Operation: Using tools to measure and test signal performance.
Troubleshooting and Repair: Diagnosing faults in transmitters
receivers
and antennas.
Schematic Drawing and Reading: Interpreting complex electrical blueprints and wiring diagrams.
Soldering and Hardware Assembly: Fixing physical circuit boards and RF connectors.
Regulatory Compliance: Knowing local laws and FCC regulations regarding broadcast and wireless transmissions.
Problem-Solving: Quick root-cause analysis for dropped calls
audio delays
or registration errors.
Attention to Detail: Precision when modifying dial plans
codecs
and firewall configurations.
Communication: Explaining technical issues clearly to non-technical stakeholders or clients.
Certification
Fortinet, FortiGate firewalls, Aruba/Cisco/Juniper /Hp/Nokia/Mikrotik, Motorola Certified, Aruba/Cisco/Juniper/, Networking Essentials in Motorola communications Equipment, Astro 25 Systems Applied Networking, Mcc 7000 Series Dispatch Consoles Workshop, Astro 25 IV&8 GTR 8000 Repeater Site Workshop, Astro 25 IV&8 IP Based Digital Simulcast workshop, Astro 25 IV&8 System Core Workshop
Information Communication Technology
Use of Personal computer, Microsoft office 365 Applications, Visio
Timeline
Senior Systems Technologist
Day Wireless Systems
03.2023 - CurrentRead More
Avionics Technician
Aviation Technical Services
08.2022 - 03.2023Read More
Radio Frequency Technician
Commdex LLC
03.2021 - 08.2022Read More
Electronics Technician
Audio Control
10.2020 - 01.2021Read More
Electronics Communications Technician
Omega Electronics
01.2014 - 01.2018Read More
Everett Community College
No Degree from Advanced Avionics
Read More
St Paul's University
Bachelor of Arts from Communication Technology
Read More
Motorola
No Degree from Computer Networking And Administration
Read More