Network Administrator

Sigma Software; Foster City (CA); On-site; USD 85,000 - 110,000; Full time

Benefits offered by this job

Health, Dental, Vision

Life Insurance

Paid Time Off

Training & Development

401k Retirement Plan

Free breakfast & lunch

Job summary

Sigma Software is seeking a Telecommunications Network Administrator in Foster City, CA to manage lifecycle of our telecom services onsite. You will bridge IT, Facilities, Procurement, and providers, deploying connectivity to new locations and supporting Network Engineering on projects.

Responsibilities include vendor and carrier management, circuit provisioning, device configuration, troubleshooting, and meticulous inventory documentation.

Qualifications

• Proven ability to manage vendor and carrier relationships and meet aggressive project deadlines.
• Exceptional attention to detail for tracking circuit IDs, billing accuracy, and timely circuit delivery.
• Deep knowledge of networking fundamentals, including TCP/IP, VLANs, and routing protocols (BGP, OSPF).
• Knowledge of telecom circuit types (Fiber, EPL, Wave, DIA, etc.).
• Bachelor’s degree in IT or Computer Science; CCNA or Network+ desirable.
• 3+ years of experience in a similar role.

Responsibilities

• Drive end-to-end process for data service orders (MACD) including Broadband/DIA, Fiber, EPL, and WISP services.
• Identify circuit needs and manage ordering with LECs and long-distance providers.
• Serve as main contact for telecom carriers (AT&T, Verizon, Lumen) and manage orders, installations, SLAs, and issue resolution.
• Oversee activation and turn-up of circuits and equipment per project requirements.
• Configure and maintain routers, switches, and firewalls to interface with external circuits.
• Diagnose and resolve circuit-level issues during testing and activation.
• Collaborate with Network Engineering on projects and daily operations.
• Maintain accurate inventory of active circuits with IDs, locations, costs, and renewal dates.

Skills

Vendor management

Carrier management

Networking fundamentals

TCP/IP

VLANs

Routing protocols (BGP, OSPF)

Attention to detail

Project deadlines

Education

Bachelor’s degree in IT or Computer Science

Tools

Cisco IOS

CCNA (desirable)

Job description

Telecommunications Network Administrator

Onsite in Foster City, CA | at least 3 days in office

Join the team as a critical link responsible for managing the lifecycle of our telecommunications services. The Telecommunications Network Administrator is essential in ensuring we deliver robust, accurate, and timely network connectivity across the organization as we expand into new cities. This role acts as a primary liaison, bridging the gap between IT, Facilities, Procurement and various external telecommunications providers. You will be instrumental in deploying connectivity to new locations while assisting the Network Engineering team on various projects and initiatives.

Key Responsibilities

Connectivity Management & Procurement:

Drive the end-to-end process for all data service orders (MACD—Move, Add, Change, Disconnect), including Broadband/DIA, Fiber, EPL, and WISP services.

Identify new circuit needs and manage the full ordering process with Local Exchange Carriers (LECs) and long-distance providers.

Vendor & Carrier Management

Serve as the main point of contact for telecom carriers (e.g., AT&T, Verizon, Lumen). You will be responsible for submitting complete order packages, scheduling installations, driving Service Level Agreements (SLAs), and aggressively resolving service issues to meet deadlines.

Technical Provisioning And Integration

Oversee the technical activation and turn-up of new circuits and associated equipment, ensuring strict adherence to project requirements and technical standards.

Configure and maintain network devices, including routers, switches, and firewalls, to seamlessly interface with external telecom circuits.

Operational Support And Troubleshooting

Diagnose and resolve circuit-level issues, particularly during the testing and activation phases.

Collaborate with the Network Engineering team on both major project rollouts and daily operational support initiatives.

Inventory & Documentation

Maintain a comprehensive and accurate inventory of all active circuits, documenting critical details such as IDs, physical locations, associated costs, and contract expiration dates. This attention to detail is essential for accuracy and lifecycle management.

Required Qualifications And Skills

Proven ability to manage vendor and carrier relationships to effectively drive and meet aggressive project deadlines.

Exceptional attention to detail is essential for tracking complex circuit IDs, maintaining billing accuracy, and ensuring timely circuit delivery.

Deep functional knowledge of networking fundamentals, including TCP/IP, VLANs, and routing protocols (e.g., BGP, OSPF).

Knowledge of diverse telecom standards and circuit types (Fiber, EPL’s, Wave, DF, Broadband, DIA, etc.).

Typically requires a Bachelor’s degree in IT or Computer Science.

Industry certifications such as CCNA or Network+ are highly desirable.

3+ years of experience in a similar role.

Benefits

• Health Care Plan (Medical, Dental & Vision)
• Life Insurance (Basic, Voluntary & AD&D)
• Paid Time Off (Vacation, Sick & Public Holidays)
• Training & Development
• Retirement Plan (401k, IRA)
• Free breakfast and lunch