Senior Network Engineer: Fiber Access & PON Architect

JSI; Austin (TX); On-site; USD 110,000 - 150,000; Full time

Benefits offered by this job

Competitive salary

Medical, dental, vision

401(k)

Generous PTO

Job summary

JSI invites you to join our Broadband IP team in Austin, TX as a Network Engineer III, focusing on fiber access architectures and multi-vendor integration. You will drive high-level design, vendor evaluations, and client-facing deliverables while mentoring junior engineers.

You will work across GPON, XGS-PON, and 25G/50G PON technologies, ensuring seamless integration with edge routing and transport layers. A senior role with strategic client guidance and project leadership awaits.

Qualifications

• Bachelor's degree or equivalent practical experience in a related field.
• Professional-level certifications (e.g., Calix Certified Expert, CCNP, JNCIP) are required.
• 5–8 years of network engineering experience with fiber access architecture and multi-vendor integration.
• Experience with high-capacity PON platforms and core edge integration is preferred.
• Ability to translate complex architectures into client-ready recommendations.

Responsibilities

• Maintain a strong generalist foundation while serving as a fiber access SME (GPON, XGS-PON, 25G/50G).
• Architect large multi-vendor PON access networks aligning to core IP/MPLS backbones.
• Lead evaluations and platform selections for OLT/ONT vendors for client RFPs.
• Review high-level designs, migration strategies, and technical specs for broadband projects.
• Mentor junior engineers on standards, troubleshooting, and client deliverables.
• Provide cross-functional engineering support and root-cause analysis for complex environments.

Skills

Fiber access architecture

Multi-vendor integration

PON platforms

HLD/LLD writing

Mentoring junior engineers

Vendor coordination

Client relation management

Education

Bachelor's degree in Engineering/CS/IT

Tools

Calix Certified Expert

CCNP

JNCIP

Job description

JSI invites you to join our Broadband IP team in Austin, TX as a Network Engineer III, focusing on fiber access architectures and multi-vendor integration. You will drive high-level design, vendor evaluations, and client-facing deliverables while mentoring junior engineers.

You will work across GPON, XGS-PON, and 25G/50G PON technologies, ensuring seamless integration with edge routing and transport layers. A senior role with strategic client guidance and project leadership awaits.