DocSis Engineering

🕒 October 30, 2025

🇮🇪 Ireland – Remote

⏳ Contract/Temporary

🟡 Mid-level

🟠 Senior

🖥 Software Engineer

👻 Ghost score 66%

What it means: how likely this posting is sitting open without active hiring.How to read it: 60% or higher means we think this is a ghost. Lower scores are less of a worry.How we score it: age, reposts, open roles vs team size, how fast jobs close, and whether pay is listed.Fine print: an estimate from public data, not a judgment of the company. Real jobs can score high, so treat it as a hint, not a fact.

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Castillians

WebsiteLinkedInAll Job Openings

51 - 200 employees

Founded 2006

Castillians is a company whose publicly available text is inaccessible without JavaScript; the provided content only shows a message asking the user to enable JavaScript. No information about the company's product, services, industry, or target customers can be determined from this text alone.

📋 Description

• This is a remote position. • Be part of our Global Engineering Network! • One of our clients in the Telecom sector is looking for an experienced Senior DOCSIS Engineer to join its Network Engineering team. • This role is responsible for the design, implementation, optimization, support, and evolution of its cable broadband network infrastructure. • Design, implement, and support DOCSIS broadband network infrastructure and services. • Configure, manage, and troubleshoot Cisco CBR8 CMTS platforms and CommScope (Arris/Motorola) cable modems. • Monitor network performance, capacity, QoS, and bandwidth utilization to ensure optimal service delivery. • Design, maintain, and upgrade ISP access, core, distribution, and transit network infrastructure. • Support enterprise network solutions for corporate customers. • Lead customer migrations to new CMTS nodes, including planning, execution, validation, and issue resolution. • Support the migration from legacy Cisco platforms to Harmonic CableOS architecture. • Implement, support, and optimize VoIP services across the cable broadband network. • Provide advanced technical support and guidance to Network Field Teams during deployments and troubleshooting activities. • Investigate and resolve complex network, service, and migration-related issues. • Collaborate with internal teams and external vendors to ensure successful delivery of network upgrades and projects. • Track migration and project progress to ensure timely completion of operational objectives.

🎯 Requirements

• Minimum 5+ years of experience as a Network Engineer within a telecommunications, ISP, or cable broadband environment. • Strong expertise in: DOCSIS technologies and architectures • TCP/IP networking • Routing and switching • Bandwidth management • Quality of Service (QoS) • Network monitoring and management systems • Broadband service delivery • Proven experience implementing and supporting large-scale DOCSIS deployments. • Hands-on experience with: Cisco CBR8 CMTS • CommScope / Arris / Motorola cable modem platforms • HFC (Hybrid Fiber Coaxial) networks • Experience supporting migration projects involving CMTS platforms and broadband infrastructure upgrades. • Strong troubleshooting and problem-solving skills within complex service provider environments. • Experience implementing and supporting VoIP services over cable broadband networks. • Familiarity with ISP access, core, distribution, and transit network infrastructure.

🏖️ Benefits

• Clear scope with no ambiguity over deliverables. • Flexible working arrangements. • Opportunity for repeat engagements based on performance.