MOHAMMAD BILLAH , PE

Technical Skills Experience

1. Signal Design and Implementation: Proficiency in designing and implementing railway signaling systems, including conventional and CBTC.

2. Control Systems: Experience with control systems for train operations, such as Positive Train Control (PTC) and Automatic Train Control (ATC).

3. Field Testing: Conducting factory acceptance & field testing of signal of equipment to ensure proper functionality.

4. Project Management: Managing projects from conception to completion ensuring adherence to timelines & budgets.

5. Software Proficiency: Skilled in using tools like AutoCAD, MATLAB, and other relevant software for signal design and analysis.

6. Communication Systems: Knowledge of telecommunications systems used in CBTC for traffic management and infrastructure control.

7. Safety Standards: Familiarity with safety standards and regulations in railway signaling, such as IEEE 1474 for CBTC.

8. Data Analysis: Analyzing data from signaling systems to optimize performance and ensure safety.

1. Design and Implementation: Designed and implemented signaling systems for both conventional and CBTC, improving train control and safety.

o Example: “Led the design and implementation of a CBTC system, reducing headway's and increasing track capacity by 20%.”

2. Project Management: Managed multiple signaling projects, ensuring timely delivery and budget compliance.

o Example: “Successfully managed a $400 million signaling project, delivering it 10% under budget and 2 weeks ahead of schedule.”

3. Field Testing: Conducted extensive field testing of signaling equipment to verify performance in real-world conditions.

o Example: “Performed factory acceptance and field testing of signal bungalows, ensuring 100% compliance with safety standards.”

4. Collaboration: Worked closely with cross-functional teams, including engineers, project managers, and clients, to deliver successful projects.

o Example: “Collaborated with a team of 15 engineers to implement a new signaling system, resulting in a 30% reduction in delays.”

5. Training and Mentoring: Trained junior engineers and provided technical guidance to ensure high-quality work.

o Example: “Mentored a team of 5 junior engineers, improving their proficiency in signal design and implementation.”

The most important skills for a signal engineer and required skills for a signal engineer:

Field Testing: Performed factory acceptance and field testing of signal bungalows.

Control Systems: Control systems are designed to manage and regulate the behavior of other systems. Signal engineers use control systems in various ways, such as requesting track authority and dealing with Positive Train Control Systems, designing and implementing control systems for manufacturing environments, and managing power distribution and control systems for electrical building systems. They also design control systems for industrial facilities, oil refineries, petrochemical plants, and gas compression applications.

• Experience requesting track authority and dealing with Positive Train Control Systems (PTC).
• Impart of carry out design review, Installation, Testing, Commissioning and monitoring of Signaling & Train Control systems.

Project Management: Project management is the process of overseeing projects from planning to execution. Signal engineers use project management to direct their teams, design and test products, and control project costs. They also use it to develop and maintain documentation and repositories. For example, a signal engineer might use project management to develop a test program and review laboratory results for an injection molded electrical connector product.

• Power Distribution Project Management Design Management
• Developed Share Point repository for project management

AutoCAD

• Draft blueprints using AutoCAD for track wiring and other utilities in confined city areas.
• Updated circuit schematics for trains using AutoCAD and CAD Overlay.

Signal Design: Signal design is the process of developing plans, specifications, estimates, budget, and schedules for signal-related projects. Signal engineers use signal design by reviewing and preparing these plans, mentoring others to become proficient in signal design, and updating field and office plans.

• Reviewed the development of plans, specifications, estimates, budget and schedules for signal design projects.
• Assist Sr. Signal Circuit Designer in preparation of signal design.

Analog refers to a type of signal or information represented by a continuous physical quantity, such as voltage or current. Signal engineers use analog in their job by designing and reviewing analog and mixed-signal circuits, working with analog data systems, and writing custom scripts for supporting analog components. They also interface with other teams to review the layout of analog cells.

• Designed and reviewed analog and mixed-signal circuits from the transistor to top level while ensuring each design meets MIPI standards.
• Worked in Taipei for several weeks to interface with the Taipei ASIC team and review layout of analog cells.

RF: RF, or Radio Frequency, is a type of electromagnetic wave used in wireless communication. Signal engineers use RF in various ways, such as developing and implementing testing methodologies for Direction Finding systems, designing and developing new RF coil structures, and facilitating communication between engineers and technicians who perform RF alignment and test of high-reliability, satellite hardware. They also use RF to perform system diagnostics, isolating problems within RF and Network interfaces.

• Developed and implemented testing methodologies for several Direction Finding (DF) systems Developed RF testing procedures for MIL-STD 461F.

Railway: Railway refers to a system of tracks where trains run. Signal engineers use railway when managing direct reports for area managers on engineering projects. They also use railway information to calculate braking distances based on speed limits.

• Managed direct reports for 4 area managers for MTAs engineering projects.
• Calculated and checked braking distance based on given speed limit and related railway information.

Signal Systems: Signal systems are networks that manage and control the flow of traffic. Signal engineers use these systems to design and install modifications, provide technical support, and maintain and repair equipment. They also support the implementation of new technology for signal control strategies.

• Installed, inspected, maintained, and repaired various railroad service equipment and railroad signal systems.
• Design and draft circuit modifications to the existing Signal System for moderate and difficult projects.
• FRA: Planned equipment specification inspections per Federal Regulations Authority (FRA) Testing requirements and policies.
• CAD: Review electronic contractor bid plans and ensure drawings and revisions adhere to company quality control guidelines and accepted industry CAD standards.
• Coordinated between engineers, CAD techs, and customers to provide quality projects.
• Traffic Signals: Designed and implemented traffic signal timing plans for isolated and coordinated system intersections throughout NYC Transit.
• Prepared and conducted training sessions to introduce basic traffic signal operation functions and concepts to traffic field and branch staff.
• Grade Crossings: Design Grade Crossings for New York City transit Authority.
• ISO: Assisted in creation of Total Quality System and responsible for compliance with ISO.
• Performed Preventive and Corrective Maintenance, troubleshooting, ISO document preparation and updating of Instrumentation Equipment Calibration.
• Automatic Train: Developed the Automatic Train Supervisor (ATS) subsystem for the Automatic Train Control (ATC) system.
• Involved in commissioning of Automatic Train Protection & Automatic Train Operation System.
• Track Circuits: Utilized different narrow-band, wide-band, and tuned shunts to allow for safe use of track circuits.
• Designed non-insulated joint track circuits with Auto train Protection System.
• Switches: Operated switches, handbrakes, coupling levers, and lace train air line hoses as needed.
• Ordered and designed SS7 circuits for class 4/5 switches.
• PLC: Designed interlocking system with relay based logic circuits and PLC for NX circuits.
• Delivered/developed software (using PLC) for leading edge automated technology equipment.
• Signal Construction: Provide quantity takeoffs, schedules and pricing for PTC signal construction project estimates.
• Implemented schedule modifications for signal construction projects based on coordination with available man power and time constraints.
• Design Standards: Peer check engineering drawings for technical accuracy and adherence to design standards.
• Maintained design standards set by customers and federal agencies.
• Test Equipment: Reduced test times for power-share products by over 65% and saved over $10m in test equipment expense.
• Interpreted Electrical wiring schematics of vehicle electronics and manufacturing test equipment to diagnose failure modes and recommended corrective actions.
• CTC: Worked with dispatchers on Centralized Train Control (CTC) equipment Operations Management.
• Design Specifications: Analyzed design specifications and used data to develop programs that enable railroads' advanced interlocking and signaling systems.
• Analyzed proposed and existing crossing frequencies to comply with design specifications.
• ATS: Documented and gathered ATS subsystem requirements.
• Signal Integrity: Performed signal integrity and functional testing.
• Managed all Unit analyses including Power dissipation, voltage drop, data throughput, and signal integrity.

• Negotiated contracts with vendors to secure competitive pricing for goods or services.
• Recruited, trained, mentored, and managed employees at all levels within the organization.
• Introduced innovative approaches that improved efficiency while reducing costs.
• Directed long-term research initiatives to identify new markets for growth opportunities.
• Monitored budgetary expenditures across multiple departments to ensure fiscal responsibility.
• Represented the organization at conferences, events, and networking activities as needed.
• Established policies and procedures that promoted an ethical work environment.
• Analyzed market trends and customer data to inform decision-making processes.
• Created and maintained relationships with key stakeholders, including customers, suppliers, government agencies, and other industry partners.
• Reviewed current systems and processes regularly for potential improvements or upgrades.
• Maintained open communication channels between departments to maximize efficiency and productivity.
• Implemented technological solutions designed to improve operational effectiveness.
• Managed executive team members to ensure successful execution of projects in a timely manner.
• Overseen the daily operations of the organization and ensured compliance with applicable laws and regulations.
• Spearheaded internal initiatives designed to foster collaboration among staff members.
• Assessed financial performance of the organization on a regular basis and identified areas for improvement.
• Developed and implemented strategic business plans to increase company profitability.
• Facilitated board meetings and provided leadership guidance to senior management.
• Hired, trained and mentored sales and marketing staff dedicated to employing Google AdWords, Google Analytics, and other SEO techniques and metrics sources.
• Provided organizational leadership and collaborated with executive partners to establish long-term goals, strategies and company policies.
• Executed on-time, under-budget project management to adhere to project road map.
• Strategized and implemented plans to transform and revitalize operations, capitalizing on emerging industry trends.
• Oversaw corrective action plans to remedy structural, organizational and departmental issues.
• Signed and approved budgets for new funding and program initiatives.
• Oversaw technological improvements, successfully reducing waste and eliminating business bottlenecks.
• Optimized supply chain to reduce materials costs and improve distribution.