Infrastructure Technology Senior Engineer

Description

Lightpath is building the fiber infrastructure the digital economy depends on - owning, operating, and expanding dense, high-performance networks for enterprises, public institutions, carriers, and cloud innovators. Our all-fiber network supports mission-critical environments, from financial markets and healthcare systems to AI platforms and next-generation cloud architectures. As we expand across the Northeast and into high-growth markets nationwide, we invest ahead of demand - building infrastructure with precision, resilience, and accountability.

To support that growth, we’re building a team of people who take ownership, think long-term, and take pride in tackling complex work with care and integrity. At Lightpath, every role contributes to infrastructure that powers critical systems and real-world outcomes. We look for individuals who value precision, accountability, and collaboration and who want to help build networks, processes, and partnerships that are engineered to last.

The Infrastructure Technology Senior Engineer is responsible for the technical design, analysis, analysis, documentation, and implementation support of Lightpath’s inside plant (ISP), outside plant (OSP), fiber backbone, and Head-End/Data Center infrastructure. This individual contributor role translates approved infrastructure plans and standards into detailed engineering deliverables, validates capacity and equipment requirements, and supports reliable, scalable network expansions and customer solutions. The Engineer works with Network Planning, Construction, Operations, and other technical teams to resolve design issues, evaluate passive infrastructure technologies, and maintain accurate engineering records.

As an individual contributor within Network Planning & Engineering, the Engineer performs technical analysis and develops engineering deliverables for Head-End/Data Center, fiber backbone, and passive infrastructure projects.

Responsibilities include:

• Produce detailed ISP/OSP engineering designs, drawings, equipment layouts, fiber assignments, connectivity diagrams, and technical specifications for approved network infrastructure projects.
• Maintain and validate engineering records for passive infrastructure, fiber distribution, rack layouts, space utilization, and network inventory; identify and correct data discrepancies.
• Inspect and assess infrastructure conditions, available capacity, and equipment constraints; document findings and recommend specific remediation or upgrade actions.
• Coordinate technical requirements and design handoffs with Network Operations, Network Engineering, Construction, Service Activation, and Sales Engineering.
• Prepare bills of materials, quantity takeoffs, engineering cost estimates, and technical inputs supporting project budgets and procurement requests.
• Work with regional construction engineers to develop fiber route designs, splice plans, optical/data infrastructure layouts, and engineering packages for expansions and reconfigurations.
• Use GIS tools and network records to analyze fiber routes, available strands, geographic constraints, and capacity requirements; provide technical feedback on planning tools.
• Survey and evaluate candidate Head-End, Central Office, colocation, and Data Center locations for space, cabling, fiber access, rack configuration, and infrastructure feasibility.
• Perform laboratory and field evaluations of fiber optic cable, splice enclosures, patch panels, demarcation equipment, and other passive systems; record test results and prepare implementation procedures.
• Calculate and document fiber backbone, distribution, rack, and passive infrastructure capacity; identify thresholds and proposed engineering augment requirements.
• Develop technical feasibility assessments, preliminary designs, material requirements, and cost inputs for complex or non-standard customer opportunities.
• Compare technical design alternatives for infrastructure upgrades and expansions, documenting trade-offs, implementation constraints, and recommendations for management review.
• Apply established engineering, construction, cabling, safety, and documentation standards; identify deviations and recommend corrective engineering actions.
• Evaluate emerging ISP/OSP and passive infrastructure technologies through technical research, vendor demonstrations, and testing; provide findings to support technology selection.

The position works with technical and…