Abhishek Suman
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Senior Network Engineer & GenAI/LLM Engineering Specialist

Network engineer building GenAI systems for operations.

Senior Network Engineer with 16+ years of enterprise IT experience, building the transition into full-time GenAI/LLM Engineering through production-minded automation, RAG systems, and agentic workflows.

Read the build log on GitHub
years in enterprise IT
16+
employers, TCS since 2021
5
projects listed below
15

Projects

Each one points at a real operations problem. Pick a row to question the Twin about it.

  • Router_Reachability_Monitor

    Reachability monitoring for two internet edge routers. A canary check keeps a local outage from being read as a router outage; alerts go out over Telegram, voice, WhatsApp and ntfy.

    • ICMP/TCP
    • State machine
    • Docker
    • Tailscale
    Network operationsBuilt with Claude Code

  • Store_Down_Automation

    A NOC runbook automated end to end: four scoped subagents and a deterministic coordinator, typed hand-offs, and a supervised send-gate before anything leaves the building.

    • Subagents
    • Pydantic
    • Browser automation
    • Airtable
    Network operationsBuilt with Claude Code

  • NetOps_Flow_Kanban

    A Kanban board for change requests, incidents and CAB windows. The AI sidebar creates, edits and moves cards through a validated JSON action list.

    • FastAPI
    • Next.js
    • SQLite
    • Docker
    Network operationsBuilt with Claude Code

  • CiscoConfigDiffAuditor

    A block-aware diff for Cisco IOS configs that flags security-relevant changes such as ACLs, shutdown, line vty and enable secret.

    • Cisco IOS
    • Security
    • LLM
    Network operationsBuilt independently

  • Network_KB_RAG_Claude

    The LangGraph retrieval notebook grown into an app: Haiku grades retrieval, Opus answers, Haiku checks groundedness, with a retry loop and streaming UI. Tested on my own network SOPs.

    • Claude
    • Chroma
    • LangGraph
    • Gradio
    RAG and agentsBuilt with Claude Code

  • LangGraph Agent

    A self-correcting RAG pipeline over network SOPs that grades its own retrieval and retries on weak matches.

    • LangGraph
    • Chroma
    • Evaluation
    RAG and agentsBuilt independently

  • multi_agent_system

    A Researcher, Analyst and Writer pipeline on the OpenAI Agents SDK, with Tavily tool calling, Pydantic contracts between agents and a shared SQLiteSession.

    • OpenAI Agents SDK
    • Tavily
    • Pydantic
    RAG and agentsBuilt independently

  • Autogen Agent

    An AutoGen team in which OpenAI, Gemini and Claude each play a distinct role in one group chat.

    • AutoGen
    • OpenAI
    • Gemini
    • Claude
    RAG and agentsBuilt independently

  • Hotel_Experience_Assistant

    A bilingual English/Hindi voice concierge. Every data-changing action is proposed first and runs only after the guest confirms; speech runs on a Modal GPU worker.

    • Tool calling
    • Modal
    • FastAPI
    • Playwright
    ApplicationsBuilt with Claude Code

  • AI_Forex_Bot

    An MT5 trading system where deterministic analysis does the work and an LLM is called only on ambiguous signals, with a hard cap on its influence and a multi-layer risk engine.

    • MT5
    • Risk engine
    • Streamlit
    • Webhooks
    ApplicationsBuilt with Claude Code

  • LinkedIn_Post_Automation

    A Claude Code plugin that takes a Telegram message through research, a draft in my voice, an image, an approval step and publishing.

    • Claude Code plugin
    • Telegram
    • Airtable
    • Playwright
    ApplicationsBuilt with Claude Code

  • ResumeRocket AI

    Resume tailoring from a job description: gap analysis, rewrite, visual diff and cover letter.

    • LLM
    • Gradio
    Applications

  • Portfolio_Website

    This site and its Digital Twin: a server-side route grounded in a condensed context file, with a safety pass and rate limiting.

    • Next.js
    • OpenRouter
    • Cerebras
    ApplicationsBuilt with Claude Code

  • Fine_Tuning

    QLoRA on TinyLlama and Gemma, compared against the frozen base model using peft's disable_adapter() to see exactly what the fine-tune changed.

    • QLoRA
    • peft
    • trl
    Model workBuilt independently

  • Claude Skills for network operations

    incident-rca-writer turns incident notes into review-ready RCA documents; network-capture-analyst triages packet captures with tshark.

    • Claude Skills
    • RCA
    • tshark
    Network operations

Skills

GenAI / LLM
Claude, OpenAI, LangChain, LangGraph, MCP
RAG and agents
Chroma, AutoGen, CrewAI, OpenAI Agents SDK
Open models
Transformers, PyTorch, LoRA / QLoRA, quantization
Network systems
BGP, OSPF, SD-WAN, Cisco Nexus, F5 BIG-IP

Experience

  1. Senior Network Engineer & AI Automation Lead

    Tata Consultancy Services

    Network operations automation, enterprise infrastructure, and applied LLM workflows.

  2. Senior Consultant

    Atos-Syntel

    Global Cisco Unified Communications support and complex incident resolution.

  3. Technical Lead

    Wipro

    Enterprise voice platform delivery, migration, and relocation programs.

  4. Associate Consultant / Senior Specialist

    Atos & HCL Technologies

    Cisco unified communications administration, troubleshooting, and operations.