Mark Miller
Allen,Tx
Summary
Experienced with troubleshooting and maintaining telco equipment. Utilizes technical expertise to ensure seamless lab operations and support. Track record of effective team collaboration and problem-solving in dynamic environments.
Diligent Network Engineer with solid background in hardware and network support. Demonstrated ability to troubleshoot and resolve technical issues, ensuring seamless operations. Proven track record in deploying and maintaining network infrastructure, leveraging analytical skills and problem-solving abilities.
Overview
8
8
years of professional experience
Work History
Network Support Engineer
Mavenir Inc.
11.2020 - 09.2024
- On-site, lead network support position, supporting system integration/installation and diagnosis of various components such as digital hardware, radio transceivers and embedded software and much more constituting a RAN 4G/5G end to end system
- Interfaced with partners and customers through ticket-based system (JIRA) to assess readiness of components for deployment
- Assembled and configured test environments to allow end-to-end integration, tested for functionality and validation of performance
- Familiar with 3GPP 5G NR and LTE standards
- Professional experience in communications and networking technologies involving knowledge of system integration and validation
- Effective communication with local and remote engineers, to understand the requirements in a fast-paced environment
- Well-acquainted with test instruments used in wireless networks
- Assisted in calibrating phase-shifter test equipment, calibration boxes, TM500, Dingli UE, Apple and Samsung UE
- Created RF cable construction, installations, labeling and modifications to lab and ordered materials
- In charge of international and domestic shipping of materials
- I received instruction, created the documents, boxed the materials, transported to shipping and followed up with the tracking and communications to parties of interest
- Supervised storage areas and storage units
- Responsible for inventory and location of lab materials
- Managed component connections in test lines and provisioned ports by description, VLAN tagging, port-mirroring, sync e, PTP, interface configuration, front haul connections, console connections
- Familiar with Python and Linux, for linking prevailing components together and inventory systems
- Worked with Dell servers R740, XR11, R750 servers, primarily
- Installed Dell and Cisco network switches…, configured ports, updated data bases…modified RAN lab inventory in Excel
- GPS systems provisioned and maintained, Antennas installed, connected and adjusted
- Installed and maintained programmable variable attenuators
- Radio Transceivers used: Fujitsu, Comba, Dell, MTI, Zillnk, NEC, Benetel, IHGA, (Mavenir radios) MR44NA, MR44NLA, MR44VA, MR44TA, dual band/tri-band, PROSE
- Managed lab inventory systems, used specifically (Samanage asset management) and our RAN lab inventory in Excel
- Responsible for the installation, power and maintenance of all 234 (4g/5g) radio transceivers in the RAN laboratory
- Helped inform, educate and train new network engineers and lab support personnel on the specifics of the RAN lab and its operations
- Improved network performance by troubleshooting and resolving hardware, software, and connectivity issues.
- Enhanced network security with the implementation of firewall policies and regular vulnerability assessments.
- Maintained strong relationships with key vendors to obtain necessary equipment and services at competitive prices.
- Contributed to disaster recovery planning efforts by designing resilient systems capable of maintaining operations during unexpected outages.
Lab Support Technician
Fujitsu Network Communications
04.2018 - 09.2020
- Position providing network engineer support, on-site and remote, for fiber core end to end testing lab
- Ticket system network maintenance and IT support on rotating swing shifts
- Organized, installed and maintained networks in lab setting
- Assist engineers with network connections, configurations, topologies and testing scripts
- Assist with fiber-core, LAN troubleshooting on various networks
- Install/test/report gigabit Ethernet cat 5-6 cable, SM-MM fiber
- Utilized Telnet/CMD/DOS/Putty/Wireshark connection software
- Performed Fiber/copper equipment patched connections 'spoke and hub' (MPP)
- Installed and maintained switch/Router/server Hub management
- Managed equipment line-ups/restructure cabling configurations
- Provided VLANs/Subnet support and assistance per requirements
- Troubleshoot Broadcast Storms/routing loops by port identification and fiber or cat 6 cable disconnections
- Tested Ethernet pathways with Fluke technology and cleared lapsed leases for new usage for engineers in lab
- Provide and restored IP addresses/leases to engineers for various components in the lab
- Assisted with baud rate modifications to increase signal speeds for various applications required by engineers
- Inventory/shipping/ordering/stock organization
- Used Software: PIMS/FLAMS as critical software for inventory system for hardware located in our lab stock
- Maintained RFID tracking/ distribution inventory system coded with Python language
- Installed/configured wireless access points (WAP) located throughout the lab for better wireless access at various stations and test lines
- Maintained clean and organized environment by giving attention to lab stations, wear and tear of lab equipment and treating anti-static mats with care
- Installed telecom equipment with AC and DC power in the lab area
- Proficient in troubleshooting power issues and providing safety for all users
- Installed and managed various Fujitsu components such as blades/cards, NICs, SFPs, XFP and QSFP optics of various speeds 10/20/25/100, attenuators and test-sets
- Shipping - Receiving, checked lab components into inventory, back stock located near lab
- Labeled test equipment and cabling with end-to-end specific data using label makers and printers
- Rotated equipment from Japan, India, United States, UK and China from back stock and to and from domestic and foreign entities
Central Office Project Engineer
Verizon Business
02.2017 - 11.2017
- Project management/network engineer position involving the organization of necessary installation procedures and engineering instructions for build-outs in Verizon sites throughout the US. Completed 10 installations successfully.
- Relevant information to be passed along by ISPEC/Method of Procedure document, to the technicians in the field and all involved in the execution of the assigned project
Education
Associate of Arts - Graphic And Digital Design
ATI
Dallas, TX01-2000
Skills
- RAN Lab safety protocols
- Customer support
- Hardware configuration
- Electrical engineering
- Instrumentation expertise
- Laboratory safety protocols
- Quality control procedures
- Environmental monitoring
- Excellent communication
- Team collaboration
- Security management
- Network security
- TCP/IP protocol
Timeline
Network Support Engineer
Mavenir Inc.
11.2020 - 09.2024
Lab Support Technician
Fujitsu Network Communications
04.2018 - 09.2020
Central Office Project Engineer
Verizon Business
02.2017 - 11.2017
Associate of Arts - Graphic And Digital Design
ATI