Senior Fiber Access Network Architect

JSI; Lubbock (TX); Hybrid; USD 90,000 - 130,000; Full time

Benefits offered by this job

Competitive salary

Medical, dental, vision

401(k)

Generous PTO

Professional development

Job summary

JSI invites you to join our Engineering team as a Network Engineer III focused on broadband IP in Lubbock, TX. You will work on fiber access architectures, building scalable, multi-vendor PON networks and integrating with IP/MPLS backbones to support clients nationwide.

The role requires deep expertise in GPON/XGS-PON and OLT/ONT platforms, plus strong written deliverables and client-facing communication. Demonstrated mentoring and project leadership are highly valued at JSI.

Qualifications

• Bachelor's degree or equivalent practical experience.
• Professional vendor certifications (e.g., Calix Certified Expert, CCNP, JNCIP).
• 5–8 years of network engineering experience with focus on fiber access and multi-vendor integration.

Responsibilities

• Maintain a solid generalist networking foundation while serving as a primary SME in fiber access architectures (GPON, XGS-PON, 25G/50G PON).
• Architect large-scale, multi-vendor PON access networks with core edge routing and IP/MPLS backbones.
• Lead vendor evaluations and platform selection for OLT/ONT vendors for client RFPs.
• Review and approve HLDs, migration strategies, and specifications for client projects.
• Mentor Level I/II engineers on standards, troubleshooting, and deliverables.
• Provide expert advisory and cross-functional support in multi-vendor environments.

Skills

Fiber access architecture

Multi-vendor service provider

Technical writing

Client relationship management

Mentoring senior engineers

Education

Bachelor's degree in Engineering/CS/IT or related

Tools

GPON

XGS-PON

OLT/ONT platforms

IP/MPLS

Job description

JSI invites you to join our Engineering team as a Network Engineer III focused on broadband IP in Lubbock, TX. You will work on fiber access architectures, building scalable, multi-vendor PON networks and integrating with IP/MPLS backbones to support clients nationwide.

The role requires deep expertise in GPON/XGS-PON and OLT/ONT platforms, plus strong written deliverables and client-facing communication. Demonstrated mentoring and project leadership are highly valued at JSI.