Computer Systems C++

Mohammad Silat

Irving, TX ***** Cell: 469-***-**** Email: *****.**@*****.***

TECHNICAL SKILLS

Operating Systems: Windows NT/XP/95/98/2000/Vista/Win7/Win10/Win11

Tools: Wireshark, Nokia NSP, SAM5620, Nokia NetACT, Putty, Secure CRT, MS-Office 2007 + (Word, Excel, Power Point, Outlook)

Technologies: Computer Systems, Peripherals, Smart phones, Remote Resolution, Networking, VPN, MS Office 2007+, Remedy, Lotus Notes, Outlook, Websphere, SQL, C++, iPad, iPhone, Android, Mac OS, Telecomm, 2G, 3G, 4G, UMTS, LTE, EPC, VoLTE, bCEM, bCEM2, eCCM, TRDU, RRH, NOKIA NSP, ARP, Multicast, TCP/IP, Wireshark, Packet Tracer, IPv4, IPv6, ARP, DNS, DHCP, IP, SNMP, SMTP, SIP, TCP, UDP, Cisco VPN, Putty, PCB, Citrix, Linux, C, RIPv1, RIPv2, EIGRP, OSPF, ASIA, ABIA, ASIK, ABIL, ASIL, ABIO, MME, NSB, CRAN, mmWave, CBAND, LAA, CBRS, MIMO, Remote Integration, OSS, PIM, MPILOT, PILOT, 3GPP, CDMA, UMTS, NetACT, CLI, AWS, VM, ENDC, BEDC, Commission, Integration, Decommission

Skills: Over 12 years of knowledge and experience in managing telecom projects as well as hands on knowledge of 3GPP, LTE and 5G technologies.

WORK EXPERIENCE

Techmo Investments LLC July 2015 – Present

Freelance Work

Terminate CAT5, CAT5E and CAT6 cables

Terminate RG6 cables with F connectors

Install and configure home and small business network

Install and configure WIFI network

Install and configure CCTV Coaxial and POE systems

Upgrade and troubleshoot windows-based computer systems

Techmo Investments LLC January 2018 – Present

Automotive Technician

Diagnose vehicle problems using diagnostic tools and procedures

Identify and resolve mechanical, electrical, and electronic issues

Repair, replace and service R-134a and R-1234YF AC systems

Perform manufacture recommended maintenance services

Perform 2-wheel and 4-wheel alignment

Rebuild, repair and replace engine

Repair and replace transmission

Mount and balance wheels and tires

Perform Texas State Inspection

Test vehicles after repairs to ensure they are functioning correctly

Perform safety checks to guarantee vehicles are road-worthy

MobileComm Professionals Inc. – Richardson, TX February 2023 – October 2023

RAN Technical POC

Managed and led a team of 14 engineers for troubleshooting RAN and Core. Technical Point of Contact at MobileComm between MobileComm and their vendor. My responsibilities were to provide expertise and guidance on the project's technical requirements and deliverables. It also included monitoring the progress and performance of the contract, identifying potential issues or deficiencies and recommending corrective actions. I also served as the primary point of contact for technical matters, coordinating with engineers and other stakeholders. Lastly, I also maintained accurate records of technical discussions, decisions and progress, and prepared reports on the technical aspects of the project. Also supported teams in Nokia AirScale FSM4 AT&T LTE/5G troubleshooting and optimization. This included CRAN, NSB, SMM, LTE and 5G carrier adds including LAA carrier, Low Band, Mid Band, High Band, FNET, NB-IoT, CBAND and DoD and mmWave. Key Accomplishments:

In depth knowledge of Nokia WebEM

Knowledge of LTE, VoLTE and 5G KPIs

PIM/VSWR/MIMO/RET experience including knowledge of fiber and LTE radio heads

Configure DSS for 5G NR and LTE coexistence

Remotely supporting general contractors swapping radio equipment on cell site antenna systems

Running work orders within internal tools

Performing health checks on recently converted sites (analyzing KPIs and RF health)

Performing checks on 5G Home customers that may have been impacted during equipment swaps

Documenting tasks performed within internal tools

Engaging appropriate teams when needed

Understand Nokia and Ciena route switching HW and Cisco

Modify and executed C&I XML scripts in NetACT and troubleshot Post Integration alarms.

Provided L2/L3 support on Nokia OSS and performed L2/L3 Health Checks.

Provided technical support to field operations and maintenance personnel on LTE/5G, SRAN deployment for site integration and verification, start up and commissioning, O & M, alarms resolution and escalation and hardware modernization.

Collaborate with RF Engineering team to create CIQ for future SOW.

Collaborate with Field Engineering team to implement new carriers on existing sites and NSB.

Collaborate with NPO team to modify site parameters to resolve KPI degradation of site.

Create and modify XML SCF Scripts for LTE, CRAN, 5G NR, mmWave, C-Band and DoD sites for NSB commissioning and integration.

Create scripts using CIQ for new carrier implementation such as subject matter expert, LTE, 5G, CBAND, mmWave and DoD.

Overall responsible for RAN network element technical issue handling.

Performed problem analysis on RSSI/VSWR and clearing alarm and troubleshooting UMTS, LTE. Such as (TMAs, RETs, Configuration, etc.)

Provided RSSI and VSWR troubleshooting support and guidance to tower crews for (PIMS, Sweeps, sky-shots, dummy load testing, HW swap).

Daily Network KPI Monitoring and reporting and analysis.

RET configuration/definition and Troubleshooting on Antennas.

Verified, troubleshot and modified IPv6 static routes in eNB and gNB config.

Parameter baseline alignment for new integrated sites with Golden Standard.

Perform root cause analysis

Teltech Group – Frisco, TX September 2019 – January 2023

Senior C&I Engineer

Contractor at Nexius

Nokia FSM4 AirScale Integration, Commissioning and Troubleshooting

Work side by side with field engineers and other teams on Nokia FSM4 AirScale Baseband Units. Also support and troubleshoot UMTS. Responsible for monitoring customer equipment in an LTE/UMTS/5G based wireless telecommunications network as well as assist field engineers and other teams such as tiger team with troubleshooting using various tools such as NetAct, Web Element Manager, BTS Site Manager tool and creating trouble tickets in response to alarms with the customer. Key Accomplishments:

In depth knowledge of Nokia WebEM

Knowledge of LTE, VoLTE and 5G KPIs

PIM/VSWR/MIMO/RET experience including knowledge of fiber and LTE radio heads

Configure DSS for 5G NR and LTE coexistence

Remotely supporting general contractors swapping radio equipment on cell site antenna systems

Running work orders within internal tools

Performing health checks on recently converted sites (analyzing KPIs and RF health)

Performing checks on 5G Home customers that may have been impacted during equipment swaps

Documenting tasks performed within internal tools

Engaging appropriate teams when needed

Understand Nokia and Ciena route switching HW and Cisco

Create and modify XML SCF Scripts for LTE, CRAN, 5G NR, mmWave, C-Band and DoD sites for NSB commissioning and integration.

Create scripts using CIQ for new carrier implementation such as subject matter expert, LTE, 5G, CBAND, mmWave and DoD.

Experience with 5G/LTE parameters, KPI counters, Operational Performance Indicator (OPI) counters, and associated call scenarios.

Collaborate with RF Engineering team to create CIQ for future SOW.

Collaborate with Field Engineering team to implement new carriers on existing sites and NSB.

Collaborate with NPO team to modify site parameters to resolve KPI degradation of site.

Review daily KPI reports and identify sites with performance degradation issues.

Experience with network performance management functions including trending, analysis, monitoring, reporting, and troubleshooting.

Assist field engineers with CPRI relocation as well as 4T4R antenna modifications.

Troubleshoot various issues on LTE and 5G such as PIM, ALD/RET, fiber loss, VSWR and RTWP, RRU Connectivity, X2 configuration and backhaul connectivity.

Scheduling and executing MPILOT and PILOT tests to test for interference.

Update and create internal articles and/or documentation.

Expertise in troubleshooting to perform tasks such as resetting an eNB/gNB/RRH, changing parameters, run XLM plans, alarms, RSSI issues.

Integrate new sites within clients Nokia NetAct OSS

Update and create MOP for current and upcoming projects

Configure Interworking X2 and DSS

Perform Root Cause Analysis for LTE MMEs and 5G Interworking

Perform ASIK to ASIL swaps for CBAND and DoD readiness

Execute python scripts for 5G sites during throughput testing.

Working with Nokia NetAct OSS in alarm management, and parameter configuration.

Have in depth knowledge of Nokia tools including Nokia NetAct OSS, Web Element Manager and CM Editor.

Glow Networks – Irving, TX September 2017 – August 2019

Remote C&I Team Lead

Contractor at Nokia

Managed and led a team of 90+ integration engineers as well as assisted field engineers and other teams such as tiger team with troubleshooting using NFM/NSP/SAM5620 and BTS Site Manager tool and creating trouble tickets in response to alarms within the customers’ network. Responsible for monitoring customer equipment in an LTE and 5G based wireless telecommunications network. Key Accomplishments:

In depth knowledge of Nokia WebEM and Nokia NSP

Knowledge of LTE, VoLTE and 5G KPIs

PIM/VSWR/MIMO/RET experience including knowledge of fiber and LTE radio heads

Remotely supporting general contractors swapping radio equipment on cell site antenna systems

Running work orders within internal tools

Performing health checks on recently converted sites (analyzing KPIs and RF health)

Performing checks on 5G Home customers that may have been impacted during equipment swaps

Documenting tasks performed within internal tools

Engaging appropriate teams when needed

Understand Nokia and Ciena route switching HW and Cisco

Successfully migrated over 38,000 Verizon cell sites from ALU BBU over to Nokia FSM4 BBU ready for 5G and subject matter expert.

Provide AirScale 4G LTE integration and commissioning training for new hires.

Update and create MOP for current and upcoming projects

Perform eNB/gNB software upgrades using Linux

Support various BAU (Business as Usual) activities such as RRH replacement, Carrier Growth, AMIA shelf inspection, ASIA to ASIA-A swap.

Provide fault management support for pre-migrated AirScale sites.

Collaborate with RF Engineering team to create CIQ for future SOW.

Collaborate with Field Engineering team to implement new carriers on existing sites and NSB.

Collaborate with NPO team to modify site parameters to resolve KPI degradation of site.

Managed 3 separate teams with a total of 90+ engineers combined.

Execute python scripts for 5G trial sites during throughput testing.

Glow Networks – Plano, TX June 2016 – January 2017

LTE NOC Engineer II

Contractor at Nokia

Monitor eNodeB, Mobility Management Entity, and Serving Gateway in the LTE network for problems or failures and report to clients or reset network equipment using LTE NOKIA NSP according to policies and escalation procedures. Also reporting national outages if meeting criteria and serve as a direct point of contact for most customer and service provider interactions. This interaction includes receiving and resolving Tier 1 & 2 customer requests via Phone, e-mail and internal ticket system, escalating alerts to appropriate personnel and performing site perimeter checks. Acting as a liaison between customers/providers and our NOC Engineer Team and working and resolving network problems and testing with customers. Key Accomplishments:

Monitor LTE Network call flow for functioning levels including monitoring performance statistics.

Work with various vendors to develop tools to monitor LTE network for current performance levels and for future capacity planning.

Run audits and analyze trends and reset the eNodeB based on guidelines.

Use Nokia NSP to analyze eNodeB reset history and alarm trends.

Use NEM to reset certain eNodeB or their sectors such as bCEM, bCEM2, eCCM, TRDU, RRH that meet criteria as analyzed in the LTE NOKIA NSP.

Document audit results and the proactive actions in a trouble ticketing system.

Responsible to document minutes of key meetings and communicate to executives, managers and team.

Escalate and communicate customer issues and network related alerts to staff, Management, and Administration as defined by our client’s policies and escalation procedures.

Troubleshoot various issues such as internal questions/requests raised (ticket investigation, researching vendor position), customer issues or questions, or issues our client is requesting a provider to take action on.

Respond to customer requests and provide consistent communication as defined by our client’s policy.

Interact with Network Suppliers, Vendors, and Customers on a daily basis; opening tickets and performing follow up with external organizations on customer and other related issues.

Administer and monitor system availability and performance tools.

Add and enhance monitors for various systems.

As a team member, work to meet or exceed service level targets.

Solve or document and further escalate issues as needed.

Update and create internal articles and/or documentation.

Glow Networks – Jackson, MS January 2016 – May 2016

IP/MPLS Resident Engineer

Contractor at Nokia

Worked in the MPLS Core at C-Spire as IP subject matter expert, knowledgeable on Nokia 7750 and 7705 Service Aggregated Routers as well as Omni 6800 Series Switches. Worked onsite with CSpire NOC and Engineering Teams to provide support and assistance at the direction of Customer personnel. Also assist NOC with cleaning up and troubleshooting alarms in NOKIA NSP using SSH to access Nokia service aggregated routers and switches. Key Accomplishments:

Analyze alarm history and trend using SAM5620.

Solve, document and further escalate issues as needed.

Create and provide troubleshooting MOP for customer.

Troubleshoot various alarms and research hardware issues for customer.

Respond to customer’s requests and provide consistent communication as defined in customer’s policy.

Monitor activities

Execute CLI to troubleshoot Nokia 7705/7750 routers and OMNI switches

Provide routine diagnostics and corrective action management

Perform event detection and isolation/Fault resolution

Configure IP elements

Verified VLAN configuration was correct on router

Verified BGP protocols

Corrected NTP protocols

Glow Networks – Plano, TX October 2012 – December 2015

LTE NOC Engineer I

Contractor at Alcatel-Lucent

Monitor eNodeB, Mobility Management Entity, and Serving Gateway in the LTE network for problems or failures and report to clients or reset network equipment using LTE NOKIA NSP according to policies and escalation procedures. This interaction includes receiving and resolving Tier 1 & 2 customer requests via Phone, e-mail and internal ticket system, escalating alerts to appropriate personnel and performing site perimeter checks. Acting as a liaison between customers/providers and our NOC Engineer Team and working and resolving network problems and testing with customers. Key Accomplishments:

Monitor LTE Network call flow for functioning levels including monitoring performance statistics.

Work with various vendors to develop tools to monitor LTE network for current performance levels and for future capacity planning.

Run audits and analyze trends and reset the eNodeB based on guidelines.

Use LTE NOKIA NSP to analyze eNodeB reset history and alarm trends.

Use NEM to reset certain eNodeB or their sectors such as bCEM, bCEM2, eCCM, TRDU, RRH that meet criteria as analyzed in the LTE NOKIA NSP.

Document audit results and the proactive actions in a trouble ticketing system.

Responsible to document minutes of key meetings and communicate to executives, managers and team.

Escalate and communicate customer issues and network related alerts to staff, Management, and Administration as defined by our client’s policies and escalation procedures.

Troubleshoot various issues such as internal questions/requests raised (ticket investigation, researching vendor position), customer issues or questions, or issues our client is requesting a provider to take action on.

TRAINING

Irving ISD – Irving, TX January 2025 – March 2025

Cyber Security

Completed Cyber Security course for entry-level technician opportunities in the information security sector with emphasis in cyber security in government, private sector, and law enforcement agencies.

Nokia – Irving, TX September 2018 – October 2018 5G-NR

Completed Nokia’s 5G Network Architecture such as 5G System standardization, PDU Sessions and QoS flows, NG-RAN elements: gNB, eNB, DU, CU, RAP. Also learned about NG-RAN interfaces and protocols: F1 interfaces and E1 interface. Covered New Radio (NR) Physical Fundamentals, NR and NR-RAN Procedures as well as Radio Interface Protocols.

Dallas County Community College – Irving, TX March 2017 – December 2017

CCNA

Completed Cisco Network Fundamentals and Route Protocols, learned the use of OSI and TCP layered models to examine the nature and roles of protocols and services at the applications, network, data link, and physical layers. Covered the principles and structure of IP addressing and the fundamentals of Ethernet concepts, media and operations. Build simple LAN topologies by applying basic principles of cabling; perform basic configurations of network devices, including routers and switches; and implementing IP addressing schemes. Also analyzed, configured, verified, and troubleshot the primary routing protocols RIPv1, RIPv2, EIGRP and OSPF. Recognized and corrected common routing issues and problems. Model and analyze processes.

EDUCATION

Bachelor of Science in Information Systems – University of Texas at Arlington

Associates in Liberal Arts – Dallas County Community College District

CERTIFICATION

Cybersecurity – ISC2 March 2025 – March 2028

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