City and County of San Francisco
Network Architect (1044), Administration Division – San Francisco Municipal Tran
City and County of San Francisco, San Francisco, California, United States, 94199
Network Architect
Location:
San Francisco, CA
Salary:
$200,000.00- $250,000.00
The San Francisco Municipal Transportation Agency (SFMTA) is a department of the City and County of San Francisco responsible for the management of all ground transportation in the City. The SFMTA oversees the Municipal Railway public transit (Transit Division or “Muni”), as well as bicycling, paratransit, parking, traffic, walking, and taxis. The Agency is implementing a major upgrade of the technology used to manage light rail operations, known as the Train Control Upgrade Project (TCUP). The TCUP is a multi‑year, multimillion‑dollar initiative to replace the existing train control system with a state‑of‑the‑art radio‑based technology. This upgrade expands supervision of trains from the subway to the entire surface Muni light rail system.
Information Technology is at the core of TCUP. SFMTA’s Technology Solutions and Integration (TSI) team will deliver the technology scope for TCUP. The successful candidate will support the delivery of the IT components.
Responsibilities
Design and implement an optimized network topology to support reliable, low‑latency, high‑bandwidth communication for the radio‑based train control system.
Develop redundancy and failover strategies to ensure network resiliency and availability during system failures or outages.
Create detailed documentation of logical and physical network layouts, including diagrams and inventory of assets.
Establish and document network policies, including quality of service (QoS), bandwidth allocation, access control, and routing protocols.
Define and enforce wireless spectrum allocation policies to prevent interference and optimize channel utilization.
Design and implement the wireless communication system, including site selection, radio propagation analysis, and antenna placement.
Specify wireless standards and protocols (e.g., Wi‑Fi, LTE, 5G, or proprietary radio systems).
Plan and oversee the deployment of fiber‑optic networks for high‑speed backhaul communication.
Ensure fiber installations meet specifications for signal integrity and minimize latency.
Coordinate with civil engineers and contractors for fiber installation, splicing, and testing.
Specify, procure, and oversee the installation and commissioning of network equipment such as routers, switches, access points, base stations, and controllers.
Design and configure equipment to support dynamic routing, multicast, and VLANs.
Develop maintenance plans and monitor hardware life cycles for timely replacements or upgrades.
Implement cybersecurity measures such as firewalls, intrusion detection/prevention systems (IDS/IPS), and endpoint protection.
Conduct periodic vulnerability assessments and ensure compliance with industry standards (e.g., NIST, CISA, ISO/IEC 27001).
Conduct quality assurance inspections and verify installations against engineering designs.
Develop and execute comprehensive test plans for network performance, including stress tests, failover tests, and latency measurements.
Validate end‑to‑end functionality of the network for train control operations, including communication between trains, trackside equipment, and control centers.
Troubleshoot and resolve issues identified during testing phases.
Develop detailed technical documentation for network designs, configurations, and operational procedures.
Ensure all network components comply with applicable railway safety standards and regulatory requirements.
Implement network monitoring tools to continuously assess performance metrics such as signal strength, throughput, and latency.
Perform other related duties as assigned.
Seniority Level Mid‑Senior Level
Employment Type Full‑time
Job Function Information Technology
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Location:
San Francisco, CA
Salary:
$200,000.00- $250,000.00
The San Francisco Municipal Transportation Agency (SFMTA) is a department of the City and County of San Francisco responsible for the management of all ground transportation in the City. The SFMTA oversees the Municipal Railway public transit (Transit Division or “Muni”), as well as bicycling, paratransit, parking, traffic, walking, and taxis. The Agency is implementing a major upgrade of the technology used to manage light rail operations, known as the Train Control Upgrade Project (TCUP). The TCUP is a multi‑year, multimillion‑dollar initiative to replace the existing train control system with a state‑of‑the‑art radio‑based technology. This upgrade expands supervision of trains from the subway to the entire surface Muni light rail system.
Information Technology is at the core of TCUP. SFMTA’s Technology Solutions and Integration (TSI) team will deliver the technology scope for TCUP. The successful candidate will support the delivery of the IT components.
Responsibilities
Design and implement an optimized network topology to support reliable, low‑latency, high‑bandwidth communication for the radio‑based train control system.
Develop redundancy and failover strategies to ensure network resiliency and availability during system failures or outages.
Create detailed documentation of logical and physical network layouts, including diagrams and inventory of assets.
Establish and document network policies, including quality of service (QoS), bandwidth allocation, access control, and routing protocols.
Define and enforce wireless spectrum allocation policies to prevent interference and optimize channel utilization.
Design and implement the wireless communication system, including site selection, radio propagation analysis, and antenna placement.
Specify wireless standards and protocols (e.g., Wi‑Fi, LTE, 5G, or proprietary radio systems).
Plan and oversee the deployment of fiber‑optic networks for high‑speed backhaul communication.
Ensure fiber installations meet specifications for signal integrity and minimize latency.
Coordinate with civil engineers and contractors for fiber installation, splicing, and testing.
Specify, procure, and oversee the installation and commissioning of network equipment such as routers, switches, access points, base stations, and controllers.
Design and configure equipment to support dynamic routing, multicast, and VLANs.
Develop maintenance plans and monitor hardware life cycles for timely replacements or upgrades.
Implement cybersecurity measures such as firewalls, intrusion detection/prevention systems (IDS/IPS), and endpoint protection.
Conduct periodic vulnerability assessments and ensure compliance with industry standards (e.g., NIST, CISA, ISO/IEC 27001).
Conduct quality assurance inspections and verify installations against engineering designs.
Develop and execute comprehensive test plans for network performance, including stress tests, failover tests, and latency measurements.
Validate end‑to‑end functionality of the network for train control operations, including communication between trains, trackside equipment, and control centers.
Troubleshoot and resolve issues identified during testing phases.
Develop detailed technical documentation for network designs, configurations, and operational procedures.
Ensure all network components comply with applicable railway safety standards and regulatory requirements.
Implement network monitoring tools to continuously assess performance metrics such as signal strength, throughput, and latency.
Perform other related duties as assigned.
Seniority Level Mid‑Senior Level
Employment Type Full‑time
Job Function Information Technology
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