Lead Systems Engineer with extensive experience in quantum networking and AI/ML automation. Authored 115 granted patents and played a pivotal role in mentoring engineers while defining strategic frameworks for advanced technologies.
Overview
32
32
years of professional experience
Work History
Expert Member of Technical Staff (Quantum Networking/Software Systems Engineering)
AT&T Labs
01.2019 - 01.2025
As a core member of the AT&T Quantum technology CoE (Center of Excellence) team
Designed entanglement-based quantum network testbed for fiber-connected lab routers, focusing on key components: source to generate entanglement, infrastructure to route and measure photons with precise timing, and integration of at least three connected nodes.
Defined quantum networking and security framework strategy, establishing testbed setup in collaboration with multiple vendors.
Leveraged flexible-grid wavelength division multiplexing for dynamic routing of quantum channels, collaborating with multiple quantum computer and network vendors.
Integrating quantum systems into classical (AT&T) networking infrastructure employing TCP/IP
Established satellite-based data centers for enhanced connectivity, Quantum Networking testbed employing QKD employing DTN/BP
Expert Member of Technical Staff (Systems Engineering)
AT&T Bell Labs/AT&T Labs
01.1993 - 01.2025
Research on Satellite-enabled Quantum Internet
Two-way and one-way Quantum Network Architecture
Entanglement generation and distribution
Quantum-enabled built-in security; NIST-Sponsored Quantum communications and networks
As a core member of the AT&T Quantum technology CoE (Center of Excellence) team
Defining Quantum networking and security framework (testbed setup in collaboration with multiple vendors) strategy
Designing an entanglement-based quantum network testbed for fiber-connected lab routers, concentrating on essential components: a source that generates entanglement, infrastructure to route and measure photons with precise timing, and at least three connected nodes
Leveraged flexible-grid wavelength division multiplexing to enable dynamic routing of quantum channels.
Integrating quantum systems into classical (AT&T) networking infrastructure employing TCP/IP
Leading a team in AT&T Service Assurance automation team
Solution architecture, design, and systems requirements for Fault and Performance Management
Solution architecture, design, and systems requirements for AIOPS for alarms and ticket reduction through an advanced AI/ML-enabled alarms and ticket correlation engine in collaboration with DriveNets (AT&T selected vendor)
Conducted proof of concept to test fault detection and prediction capabilities. with pleaf fault detection/prediction and root cause analysis in collaboration with DriveNets AIOPS (AT&T DAP platform)
Analyzing, evaluating, and gauging the effectiveness of the existing service assurance and cloud monitoring (FM/PM) automation requirements
Defined and recommended innovative data-driven service assurance solution and strategy
Leading the team throughout conversion of customer (network operations) and product requirements into the total system’s design and requirements of mobility Operations Support Systems (OSS), and solutions that acknowledged technical constraints
Perform research, evaluation, and engineering of security technology, products, and solutions for safeguarding, monitoring, and assessing the security of IT assets
Designed software for operational systems to monitor network performance. and programming for OSS for network monitoring and surveillance
Developing V&V strategy, requirements, and test plan
Defining, designing, and developing data-driven AI ML model-based intelligent service assurance and network (mobility) Network Surveillance and monitoring systems automation, serving to detect, diagnose, and interpret operational anomalies and failures
Concept to realization for Analytics modules in batch mode (historical telemetry) and real-time inference – geared towards reactive, adaptive, and predictive (detecting incipient faults)
Strategic Analyst and Research Scientist possessing broad functional knowledge in strategic planning, data acquisition, data mining, and overall project management – research, problem resolution, data design, coordination, evaluation, and modeling
Collaborated with executive team members, decision-makers, and stakeholders to define business requirements and systems goals while identifying and resolving business system issues
Engaged with business and IT partners to enable architecture advancing FM analytics model-based solutions and migrating analytical models from prototype to production
Outstanding communication and technical writing skills in research and development, application design, and reporting success metrics and research/analysis information to executive staff
Systems Engineer, Gateway C&T, Wireless & Communication Systems
NASA/JACOBS
08.2023 - 10.2023
Supporting Gateway architecture of initial capabilities
Designing/Writing/Analyzing/Reviewing level 2 requirements for the Gateway
Developing and maintaining Gateway systems engineering documentation
Supported generation and testing of C&T requirements, facilitating V&V planning and execution.
Managed direct Earth communication links, including K-band and Ka-band, to support mission operations.
Collaborated with Gateway multi teams, including CMV Verification and Validation Working Group, CMV Test Working Group, Gateway T&V Working Group, CMV End-to-End Testing Working Group, and GRAIL, to drive cohesive project outcomes.
Established standards for external providers, enhancing compliance and quality assurance.
Working verification plan and tailoring
Review of and providing options for changing baseline designs
Johnson Space Center, Houston
Systems Engineer Lead, Satellite, and Ground Data Communications
AT&T Satellite and Ground Communications
01.2015 - 01.2019
Operations and maintenance of Satellite (AST/AT&T) and Ground data Communications systems (Satellite systems, Ground stations/Gateway, and Ground Processing systems including RF/Antenna)
Evaluating communications ground systems in support of new and existing programs and initiatives
Designing, analyzing, evaluating, and assessing the effectiveness of the existing Ground Data Systems
Identifying systems/subsystems and interface requirements and managing interactions across system and cross-org subsystem boundaries by leading the team of systems engineers, developers, and testers
AI/ML-based Ground Station design and requirements for automation for reliability and availability
Generating requirements
Conducting requirements review/testing V&V, including V&V planning, execution, coordination, and integration for end-to-end systems to ensure design compliance through cross-org collaboration
Ensuring the systematic conversion of customers/external/internal partners’ product requirements into total systems solutions
Supporting advanced and reliable ground-distributed data systems management, reliability, monitoring, data processing, and delivery
AST/AT&T partnership project
Led AI/ML mobility network operation automation
AT&T Terrestrial Wireless and Mobility Communications & Automation
01.2007 - 01.2018
Developing AT&T Service Assurance ML-enabled DACE/ OSS automation for fault and performance systems
Defining Target Architecture for Service Assurance, Fault Management, GFP-Mobility, and DCAE-FM
Defining Fault Management functionalities for 5G RAN Integrated Network Automation (INA)
Defining business proposal for service assurance OSS transformation for data-powered advanced automation
Carrying out preliminary research in the area of 'Quantum Computing and Future Networking'
Generated a study report on the challenges and opportunities with Quantum technologies for the IT
Feasibility Study for using Quantum-enabled nodes for FirstNet fault and performance management
Principal Member of Technical Staff (PTSM)
AT&T
01.1995 - 01.2012
Led planning, modeling, validation, engineering, and verification activities for the satellite and wireless network management
Led data analytics project to shape and influence the general thinking, and the near and long term vision for satellite network surveillance analytics using open source SW (R, Java and Python)
Defined and detailed the design of satellite communications’ Analytics mS implementation architecture context and data flows
Delivered improved quality analytics mSvcs for the satellite service assurance, which obviated the need for the costly vendor solutions; led the successful completion of analytics vendor tools evaluation by working with internal and external team
Defined and designed the first system’s architecture, functional flows and connectivity between distributed satellite network data centers, the Analytics Server, and a BI (Business Intelligence) dashboard
Led TD (Technology Development) Analytics Team by having many internal brainstorming sessions – shared and explained the TA (Technology Architect) Open DCAE analytics and design strategy and technical direction
‘think tank’ for satellite security network analytics strategy planning, goal setting and execution, which greatly contributed to funded satellite, wireless network operations satellite and mobility networks Analytics Program
Guided the Analytics Team to design the foundation architecture and data flow for Satellite Ops. Analytics
Developed core competency business and technical aspect predictive / descriptive and streamlining analytics for satellite data networks by designing relevant use cases and POCs; completed satellite cloud security analytics POC using IBM Info sphere
Led SW design and programming for OSS for network monitoring and surveillance using: C, C++, Java, Python, and R
Managed fault and performance of the AT&T Direct TV and wireless operations as it pertains to surveillance systems
Data Analytics systems architecture and requirements for the satellite and wireless networks
Led architecture and requirements for real-time analytics systems to be used in AT&T wireless/satellite TV operations
Led 15 SEs for FM Analytics Microservices from concept to realization, including systems requirements generation, validation and verification
Directed FM Cross org mServices strategy and planning team
Designed and developed (R and Python) Big Data Analytics Platform for the wireless operations
Selected to manage the IP and LTE joint team of E2E VoLTE Cross Domain Correlation Architecture
Designed and developed mobility, TV, and IMS fault management systems
Directed One AT&T MOE Femtocell GFP-Mobility architecture and requirements
Led the GFP Mobility Statistical Alarm Correlation Task Force Team for 4G alarms to develop correlator/engine for the fault management platform
Managed a team in support of requirements generation for LTE, IMS cvOIP, Satellite Direct TV and IPTV U-verse
Led a team of 14 engineers selected to develop architecture requirements and high-level design for fault management of AT&T light-speed networks supporting cVoIP
Developed the statistical correlation methodology and an advanced statistical correlation model for network management
Led cross-organizational team in technical planning, system integration, verification, validation, and effectiveness analyses for E2E service assurance operations systems
Led throughout the planning, modeling, validating, engineering and verifying all activities
Managed service and systems development technical planning (VoIP)
Manage fault and performance of the AT&T wireless operations
AT&T
01.2005 - 01.2007
Manage fault and performance of the AT&T wireless operations as they pertain to surveillance systems
Apply Data Analytics systems architecture and requirements for the DT satellite and wireless networks
Execute micro-services architecture supporting AT&T operations systems architecture and requirements
Facilitate architecture and create requirements for the applied real-time analytics systems to be used in AT&T wireless and
Led 15 SEs for 2017 FM Analytics Microservices from concept to realization, including systems requirements generation, AT&T Circuit Switch/TDM Communication
Education
Ph.D - Electrical Engineering
Stevens Institute of Technology
Hoboken, NJ
01-2025
M.S. - Electrical Engineering
Wayne State University
Detroit, MI
M.S. - Radio Electronics Engineering
Odessa Polytechnic Institute
Odessa, SU
B.S. - Radio Electronics Engineering
Odessa Polytechnic Institute
Odessa, SU
Skills
Quantum networking
Entanglement generation
TCP/IP integration
Fault management
AI/ML automation
Systems architecture
Publications
Broadband-facilitated Inter-WLAN Mobility architecture, Rahman M., Harmantzis F., International Journals of wireless Information Networks, 07/01/06
Low-Latency Handoff inter-WLAN IP Mobility with Broadband Network Control, Rahman M., Harmantzis F., Computer Communications, 09/01/06
Gateway Performance for Network Controlled WLAN IP Mobility, Rahman M., Harmantzis F., International Journal of Communication Systems, 11/01/06
IP Mobility with High Speed Access and Network Intelligence, Rahman M., Harmantzis F., IEEE WIRELES Communications and networking Conference WCNC, Atlanta, Georgia, 03/21/04
IEEE 802.11 Inter-WLAN Mobility Control with Broadband Supported Distribution System Integrating WLAN and WAN, Rahman M., Harmantzis F., 11th International Conference on Telecommunications, Ceara, Brazil, 08/01/04
QoS for Inter-WALN IP Mobility with High-speed Accessed Network Server, Rahman M., Harmantzis F., Gunasekaran V., IEEE WCNC, New Orleans, Louisiana, 03/13/05
Leadership Experience
President, Bangladesh Jhenidah Ex-Cadets Association, North America, 01/01/00, 12/31/05
President, Bangladesh Student Association, Odessa Polytechnic Institute, 01/01/78, 12/31/80
Timeline
Systems Engineer, Gateway C&T, Wireless & Communication Systems
NASA/JACOBS
08.2023 - 10.2023
Expert Member of Technical Staff (Quantum Networking/Software Systems Engineering)
AT&T Labs
01.2019 - 01.2025
Systems Engineer Lead, Satellite, and Ground Data Communications
AT&T Satellite and Ground Communications
01.2015 - 01.2019
Led AI/ML mobility network operation automation
AT&T Terrestrial Wireless and Mobility Communications & Automation
01.2007 - 01.2018
Manage fault and performance of the AT&T wireless operations
AT&T
01.2005 - 01.2007
Principal Member of Technical Staff (PTSM)
AT&T
01.1995 - 01.2012
Expert Member of Technical Staff (Systems Engineering)
<p>Hours per week: 40</p>
<ul>
<li>Duties, Accomplishments and Related Skills:</li>
<li>Applied IT knowledge gained from both academic and professional experiences to provide expert technical support and consultation for camera video systems, utilizing various communication channels including phone, email (with or without a ticketing system), and remote access to clients’ systems</li>
<li>Delivered in-depth support for a range of industry-standard video management software (VMS), including IVC VMS, ExacqVision, Wisenet, and Axis VMS software, ensuring optimal system performance and end-user satisfaction</li>
<li>Engaged with clients in a calm and professional manner to deliver high-level technical support across software, networking, and camera hardware systems</li>
<li>Frequently traveled across various states to perform on-site assignments, including troubleshooting camera system issues and providing training to new and existing clients.</li>
<li>Collaborated with various law enforcement agencies—primarily Public Safety—and the U.S. military to conduct site visits, deliver customized camera system solutions (including surveillance trailers), and optimize system performance.</li>
<li>Leveraged strong teamwork skills to coordinate with the Support Team, Software Developers, and Manufacturing Team in setting up, configuring, and troubleshooting camera video systems</li>
<li>Utilized Chinese language skills to effectively communicate with local and international clients and vendors for training and troubleshooting purposes</li>
<li>Conducted seasonal system checks on clients' camera video systems, performed necessary optimizations, and maintained detailed records of system status and performance</li>
</ul> at INDUSTRIAL VIDEO & CONTROL<p>Hours per week: 40</p>
<ul>
<li>Duties, Accomplishments and Related Skills:</li>
<li>Applied IT knowledge gained from both academic and professional experiences to provide expert technical support and consultation for camera video systems, utilizing various communication channels including phone, email (with or without a ticketing system), and remote access to clients’ systems</li>
<li>Delivered in-depth support for a range of industry-standard video management software (VMS), including IVC VMS, ExacqVision, Wisenet, and Axis VMS software, ensuring optimal system performance and end-user satisfaction</li>
<li>Engaged with clients in a calm and professional manner to deliver high-level technical support across software, networking, and camera hardware systems</li>
<li>Frequently traveled across various states to perform on-site assignments, including troubleshooting camera system issues and providing training to new and existing clients.</li>
<li>Collaborated with various law enforcement agencies—primarily Public Safety—and the U.S. military to conduct site visits, deliver customized camera system solutions (including surveillance trailers), and optimize system performance.</li>
<li>Leveraged strong teamwork skills to coordinate with the Support Team, Software Developers, and Manufacturing Team in setting up, configuring, and troubleshooting camera video systems</li>
<li>Utilized Chinese language skills to effectively communicate with local and international clients and vendors for training and troubleshooting purposes</li>
<li>Conducted seasonal system checks on clients' camera video systems, performed necessary optimizations, and maintained detailed records of system status and performance</li>
</ul> at INDUSTRIAL VIDEO & CONTROL
<ul><li>Assist in preparing Subs Annual Budgets and reviewing Subs financial reports.</li><li>Provide support and training to partners to ensure adequate support for the program component.</li><li>Conduct partner technical supportive supervision on request basis from Grants & Compliance teams.</li><li>Coordinate grantee proposal review process and ensure compliance with solicitations and donor regulations.</li><li>Coordinate pre-award evaluations and assessments of potential grantees as needed.</li><li>Analyze, verify and review grantees proposal budgets to ensure donor compliance and reasonableness.</li><li>Coordinate the assessment of grantee risk and implement appropriate systems and agreements to minimize risk.</li><li>Ensure timely and appropriate close-out of sub-grants and coordinate the close-out of EGPAF prime grants.</li><li>Provide support and training to partners finance staff to build financial and accounting capacity to ensure adequate support for the program component.</li><li>Monitor partners’ spending patterns as part of the overall project budget to actual analytics.</li><li>Follow up on Grantee monthly invoices & supporting documents</li><li>Serve as an expert on applicable policies, procedures, rules, and regulations and assist staff with their interpretation and understanding of these.</li><li>Stays abreast of donor policies, procedures, rules and regulations and host country legal requirements and informs local and regional management of significant changes.</li><li>Perform internal departmental/grants reviews ensuring compliance with Foundation and donor requirements. Identify potential areas of compliance vulnerability and risk; assists with the development of corrective action plans for the resolution of problematic issues; and provides general guidance on how to avoid or deal with similar issues in the future</li><li>Conduct on-site financial compliance reviews which include: cash counts; review of accounts receivables including employee receivables; documentation of segregation of duties and internal control structure; document storage and retention</li><li>Document findings, propose improvements or change as relevant, disseminate findings and ensure follow up implementation of recommendations as well as resolution</li><li>Conduct random surprise checks and vendor verification reviews to ensure proper procurement procedures are being practiced and report on findings</li><li>Develops an effective Compliance & Ethics training program, including appropriate introductory training for new employees as well as ongoing training for all employees and managers</li><li>Assists with improving the awareness and understanding of compliance to assist employees with the establishment of a “culture of compliance”</li></ul> at Elizabeth Glaser Pediatric Aids Foundation<ul><li>Assist in preparing Subs Annual Budgets and reviewing Subs financial reports.</li><li>Provide support and training to partners to ensure adequate support for the program component.</li><li>Conduct partner technical supportive supervision on request basis from Grants & Compliance teams.</li><li>Coordinate grantee proposal review process and ensure compliance with solicitations and donor regulations.</li><li>Coordinate pre-award evaluations and assessments of potential grantees as needed.</li><li>Analyze, verify and review grantees proposal budgets to ensure donor compliance and reasonableness.</li><li>Coordinate the assessment of grantee risk and implement appropriate systems and agreements to minimize risk.</li><li>Ensure timely and appropriate close-out of sub-grants and coordinate the close-out of EGPAF prime grants.</li><li>Provide support and training to partners finance staff to build financial and accounting capacity to ensure adequate support for the program component.</li><li>Monitor partners’ spending patterns as part of the overall project budget to actual analytics.</li><li>Follow up on Grantee monthly invoices & supporting documents</li><li>Serve as an expert on applicable policies, procedures, rules, and regulations and assist staff with their interpretation and understanding of these.</li><li>Stays abreast of donor policies, procedures, rules and regulations and host country legal requirements and informs local and regional management of significant changes.</li><li>Perform internal departmental/grants reviews ensuring compliance with Foundation and donor requirements. Identify potential areas of compliance vulnerability and risk; assists with the development of corrective action plans for the resolution of problematic issues; and provides general guidance on how to avoid or deal with similar issues in the future</li><li>Conduct on-site financial compliance reviews which include: cash counts; review of accounts receivables including employee receivables; documentation of segregation of duties and internal control structure; document storage and retention</li><li>Document findings, propose improvements or change as relevant, disseminate findings and ensure follow up implementation of recommendations as well as resolution</li><li>Conduct random surprise checks and vendor verification reviews to ensure proper procurement procedures are being practiced and report on findings</li><li>Develops an effective Compliance & Ethics training program, including appropriate introductory training for new employees as well as ongoing training for all employees and managers</li><li>Assists with improving the awareness and understanding of compliance to assist employees with the establishment of a “culture of compliance”</li></ul> at Elizabeth Glaser Pediatric Aids Foundation
<ul>
<li>Operations Management Responsibilities:</li>
<li>Supervised a cross-functional team of over 40, including field technicians, logistics personnel, and customer service agents.</li>
<li>Developed and implemented SOPs that improved field installation efficiency by 30%.</li>
<li>Managed nationwide GPS device deployments for fleet clients, coordinating logistics, and resource allocation.</li>
<li>Maintained service-level agreements (SLAs) with clients, ensuring a 95%+ client satisfaction rate.</li>
<li>Monitored and managed the inventory of GPS tracking devices and installation equipment.</li>
<li>Generated and presented monthly operational performance reports to executive leadership.</li>
<li>IT Management Responsibilities:</li>
<li>Led the administration and technical maintenance of the Nsoroma GPS tracking platform (web and mobile).</li>
<li>Oversaw server infrastructure, software updates, and data security across internal systems.</li>
<li>Integrated third-party APIs into the company’s GPS platform for enhanced client reporting.</li>
<li>Provided tier-2 technical support for software and hardware issues, reducing resolution time by 40%.</li>
<li>Implemented cybersecurity protocols and backup solutions to secure client data.</li>
<li>Researched and deployed new GPS hardware models, reducing device failure rates by 25%.</li>
</ul> at NSOROMA GPS LTD<ul>
<li>Operations Management Responsibilities:</li>
<li>Supervised a cross-functional team of over 40, including field technicians, logistics personnel, and customer service agents.</li>
<li>Developed and implemented SOPs that improved field installation efficiency by 30%.</li>
<li>Managed nationwide GPS device deployments for fleet clients, coordinating logistics, and resource allocation.</li>
<li>Maintained service-level agreements (SLAs) with clients, ensuring a 95%+ client satisfaction rate.</li>
<li>Monitored and managed the inventory of GPS tracking devices and installation equipment.</li>
<li>Generated and presented monthly operational performance reports to executive leadership.</li>
<li>IT Management Responsibilities:</li>
<li>Led the administration and technical maintenance of the Nsoroma GPS tracking platform (web and mobile).</li>
<li>Oversaw server infrastructure, software updates, and data security across internal systems.</li>
<li>Integrated third-party APIs into the company’s GPS platform for enhanced client reporting.</li>
<li>Provided tier-2 technical support for software and hardware issues, reducing resolution time by 40%.</li>
<li>Implemented cybersecurity protocols and backup solutions to secure client data.</li>
<li>Researched and deployed new GPS hardware models, reducing device failure rates by 25%.</li>
</ul> at NSOROMA GPS LTD