The Role
Designs and evaluates large-scale, multi-vendor fiber access networks using advanced PON technologies. Integrates OLT and ONT platforms with core routing, IP/MPLS, and optical transport layers; leads vendor and platform evaluations; reviews high-level designs and migration strategies; provides complex troubleshooting and client advisory support; mentors junior engineers; and develops technical deliverables for broadband clients.
Summary Generated by Built In
JSI invites you to join our team as a Network Engineer III on our Broadband IP team in our Huntsville, AL office, where you'll play a critical role in advancing broadband and telecommunications initiatives that expand connectivity and drive digital inclusion—while advancing your career within a mission-driven, growth-focused organization.
About the Company:
JSI is a leading full-service consulting firm specializing in broadband solutions. For over 60 years, we have provided independent communications service providers with expert financial, engineering, management, operational, regulatory, and strategic guidance. Our extensive industry knowledge and proven track record of success have empowered clients to achieve sustainable growth and profitability. With clients nationwide and a powerful presence in markets across the United States, JSI empowers rural and regional broadband providers to expand, evolve, and excel in a rapidly shifting digital world.
JSI is a leading full-service consulting firm specializing in broadband solutions. For over 60 years, we have provided independent communications service providers with expert financial, engineering, management, operational, regulatory, and strategic guidance. Our extensive industry knowledge and proven track record of success have empowered clients to achieve sustainable growth and profitability. With clients nationwide and a powerful presence in markets across the United States, JSI empowers rural and regional broadband providers to expand, evolve, and excel in a rapidly shifting digital world.
Position Overview:
As a Network Engineer III on the BBIP you will have a Focus in Fiber Access. Building upon a strong generalist network engineering foundation across multi-vendor telecom domains, this senior-level engineer brings specialized subject-matter expertise in high-level fiber access architecture, platform evaluation, and advanced PON technologies to serve JSI's diverse client base.
Responsibilities
- Maintain a solid generalist networking foundation while serving as a primary subject matter expert in fiber access architectures (GPON, XGS-PON, 25G/50G PON, Zero-Touch Provisioning).
- Architect large-scale, multi-vendor PON access networks, ensuring seamless integration with core edge routing, IP/MPLS backbones, and optical transport layers.
- Lead technical evaluations and platform selection of Optical Line Terminal (OLT) and Optical Network Terminal (ONT) vendors for client RFPs.
- Review and approve complex High-Level Design (HLD) documents, network migration strategies, and technical specifications for client broadband projects.
- Mentor Level I and Level II network engineers across technical engineering standards, general network troubleshooting, and client deliverable quality.
- Provide expert-level advisory, cross-functional engineering support, and root-cause troubleshooting for complex multi-vendor client environments.
Required Qualifications
- Bachelor's degree in Engineering, Computer Science, IT, or a related field (or equivalent practical experience).
- Professional-level vendor certifications (e.g., Calix Certified Expert, CCNP, JNCIP, or equivalent) required.
- 5–8 years of experience in network engineering, with a strong focus in fiber access architecture and multi-vendor service provider integration.
- Extensive experience with high-capacity PON platforms and core edge integration.
- Demonstrated ability to manage complex engineering engagements and high-level client relationships.
- Ability to translate complex technical architectures into actionable client recommendations.
- Proficiency in technical writing and creating high-quality client-facing engineering deliverables (HLDs/LLDs).
- Strong interpersonal skills for client meetings and vendor coordination.
- Solid understanding of project budgets, timelines, and billable-hour environments.
Benefits & Compensation
- Competitive salary + performance-based bonuses.
- Comprehensive benefits package (medical, dental, vision, 401(k)).
- Generous PTO and wellness opportunities.
- Ongoing professional development and educational opportunities.
About
To learn more about JSI, visit us at jsitel.com.
Skills Required
- Bachelor's degree in Engineering, Computer Science, IT, or a related field, or equivalent practical experience
- Professional-level vendor certification such as Calix Certified Expert, CCNP, JNCIP, or equivalent
- 5-8 years of network engineering experience focused on fiber access architecture and multi-vendor service provider integration
- Extensive experience with high-capacity PON platforms and core edge integration
- Ability to manage complex engineering engagements and high-level client relationships
- Ability to translate complex technical architectures into actionable client recommendations
- Proficiency in technical writing and creating client-facing HLD and LLD engineering deliverables
- Strong interpersonal skills for client meetings and vendor coordination
- Understanding of project budgets, timelines, and billable-hour environments
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The Company
What We Do
JSI is a full-service consulting firm that provides financial, engineering, management, regulatory, and strategic guidance to independent communications and broadband providers. With over 60 years of experience, the company helps clients modernize networks, secure funding, and achieve sustainable growth. JSI operates as a unified partner, offering end-to-end solutions that empower rural and regional providers to expand their reach and compete effectively in the rapidly evolving digital landscape.
