Cable Infrastructure • DOCSIS Optimization • RF Analysis • Field Operations
Hands‑on field engineering work focused on installing, tuning, and modernizing cable infrastructure across Charter Communications’ broadband network.
This repository contains sanitized workflows, diagnostics, templates, and documentation representing real field engineering practices.
Duration: 2017–2019
Explore the core components of this system:
- 📐 Architecture →
/architecture - 📄 Documentation →
/docs - ⚙ Configuration Templates →
/config - 🧰 Diagnostic Scripts →
/scripts
Each folder contains structured, portfolio‑ready materials aligned with Charter’s field engineering workflows.
This repository models the operational lifecycle of broadband field engineering:
- Cable plant installation and modernization
- RF spectrum analysis and impairment detection
- DOCSIS tuning for modem stability and throughput
- Field troubleshooting workflows and SOPs
- Infrastructure health and customer experience metrics
All content is sanitized and generalized for professional demonstration.
Reliable broadband service depends on:
- Accurate RF alignment
- Stable DOCSIS performance
- Proactive diagnostics
- Scalable field workflows
This work reduced repeat service calls, improved customer satisfaction, and modernized aging infrastructure across multiple service areas.
- Led cable infrastructure installation and optimization across multiple sites
- Performed RF analysis and signal tuning for optimal network performance
- Managed 300+ monthly service calls with industry‑leading resolution rates
- Delivered $240K in infrastructure modernization projects
- Trained and mentored junior field engineers
- Ensured compliance with Charter’s operational and safety standards
| Category | Technologies | Purpose |
|---|---|---|
| 📡 Network Standards | DOCSIS optimization, RF spectrum analysis | Cable modem and signal quality management |
| 🔧 Field Equipment | Signal meters, RF testing tools, installation equipment | Infrastructure deployment and diagnostics |
| 📊 Analysis | RF analysis tools, tuning software | Performance optimization and troubleshooting |
| ⚙️ Automation | Bash scripting, diagnostic scripts | Automated signal checks and testing |
| 📋 Operations | Field workflows, installation procedures | Service delivery and quality assurance |
Charter-Network-Engineering/
│
├── architecture/ # System diagrams, workflow maps, layered breakdowns
│ ├── architecture-summary.md
│ ├── architecture-layers.md
│ ├── architecture-diagram.md
│ └── Network_Architecture_Layers.png
│
├── docs/ # Field workflows, diagnostics, SOPs, reference materials
│ ├── deployment-overview.md
│ ├── troubleshooting-guide.md
│ ├── runbook.md
│ ├── data-dictionary.md
│ ├── DOCSIS-Tuning-Workflow.md
│ └── RF-Analysis-Log-Sample.md
│
├── config/ # Baselines, templates, operational definitions
│ ├── rf-baseline-template.md
│ ├── docsis-profile-template.md
│ ├── field-operations-checklist.md
│ ├── infrastructure-health-template.md
│ └── customer-experience-template.md
│
├── scripts/ # Diagnostics, RF analysis, DOCSIS checks, automation tools
│ ├── rf-diagnostics.ps1
│ ├── docsis-health-check.py
│ ├── signal-level-capture.sh
│ ├── plant-health-audit.ps1
│ └── signal-check.sh
│
└── README.md
architecture-summary.mdarchitecture-layers.mdarchitecture-diagram.mdNetwork_Architecture_Layers.png
deployment-overview.mdtroubleshooting-guide.mdrunbook.mddata-dictionary.mdDOCSIS-Tuning-Workflow.mdRF-Analysis-Log-Sample.md
rf-baseline-template.mddocsis-profile-template.mdfield-operations-checklist.mdinfrastructure-health-template.mdcustomer-experience-template.md
rf-diagnostics.ps1docsis-health-check.pysignal-level-capture.shplant-health-audit.ps1signal-check.sh
Infrastructure Deployment Workflow
| Step | Action | Purpose |
|---|---|---|
| 1 | Assess existing cable plant | Identify upgrade requirements |
| 2 | Install or replace amplifiers, taps, and splitters | Improve physical layer reliability |
| 3 | Perform RF alignment and signal tuning | Optimize downstream/upstream performance |
| 4 | Validate improvements using diagnostics | Confirm SNR, MER, and power levels |
| 5 | Document installation details | Maintain traceability and support future work |
| 6 | Handoff to operations teams | Ensure continuity and readiness |
For detailed workflows, see:
- Deployment Overview →
/docs/deployment-overview.md - DOCSIS Tuning Workflow →
/docs/DOCSIS-Tuning-Workflow.md
| Outcome | Description |
|---|---|
| 📈 Improved Service Reliability | Reduced noise, better signal levels, fewer outages |
| ⚙️ Stabilized DOCSIS Performance | Consistent throughput and channel bonding |
| 🔧 Faster Troubleshooting | Standardized workflows reduced resolution time |
| 👥 Stronger Team Capability | Training and documentation improved field readiness |
| 💰 Infrastructure Modernization | Delivered $240K in upgrades across service areas |
| Area | Challenge | Outcome |
|---|---|---|
| 📡 Signal Quality & Noise | Interference, ingress, poor SNR | Improved signal levels through targeted RF tuning |
| ⚙️ DOCSIS Stability | Modem drops, speed inconsistencies | Standardized DOCSIS optimization workflows |
| 🔧 Field Troubleshooting | High volume of complex calls | Achieved 95% first‑attempt resolution |
| 🏗️ Infrastructure Modernization | Aging cable plant | Delivered $240K in upgrades |
| 👥 Team Capability | Lack of structured training | Built training materials and mentorship programs |
This repository contains no proprietary configurations, customer data, or internal operational details.
All workflows, logs, and templates are sanitized and generalized for educational and portfolio demonstration purposes.
All content in this repository is fully sanitized.
No sensitive operational data, customer information, or internal Charter Communications configurations are included.
Content is provided solely for professional demonstration.
Suren Jewels
Cloud & Infrastructure Engineer • Security & Automation Specialist
This repository showcases sanitized engineering patterns and automation workflows used in enterprise ServiceNow environments.
- LinkedIn: https://www.linkedin.com/in/suren-jewels/
- GitHub: https://github.com/Suren-Jewels
- Email: SurenJewelsPro@gmail.com