Kalleda Manoj Kumar

About

Infrastructure professional with 3+ years of experience in server, network, storage, virtualization, monitoring, backup and disaster recovery administration. Hands-on with Linux, Windows, SIEM/SOAR, and automation using Python, PowerShell, Bash, Ansible, Puppet, Terraform and CloudFormation.

Experience

• IT Senior Associate
  SDBTPL · Hyderabad
  Jun 2024 – Oct 2026

  Progressed to infrastructure engineering, administering Linux (RHEL) and Windows servers in physical and virtual environments, including OS installation and patching. Automated server builds and configuration with Kickstart, Ansible and Puppet, and provisioned infrastructure with Terraform and CloudFormation, with code kept in Git. Managed VMware ESXi hosts and vCenter and Hyper-V servers; maintained HPE DL, Apollo and Synergy servers and handled hardware faults and vendor cases. Administered NAS, 3PAR, Nimble and TrueNAS storage; configured NFS and Samba shares, automount and home directories and resolved user access issues. Ran Veeam and Commvault backups, tested restores and supported disaster recovery. Built monitoring with SolarWinds, Zabbix, Prometheus and Grafana; tuned alerts and acted on warnings to prevent outages. Investigated security alerts in Splunk (SIEM) and supported SOAR automation workbooks for incident response. Supported SD-WAN, load balancers and VPN alongside Meraki and Sophos firewalls and Cisco switches; resolved connectivity, routing and firewall issues. Ran Qualys scans and coordinated patching and fixes with infrastructure teams. Took ownership of escalated tickets under ITIL, ran RCA and wrote runbooks and documentation for the team.

• Technical Executive
  Vijay Sales India Pvt Ltd · Hyderabad
  Jun 2023 – Jun 2024

  Expanded from system administration into network and security: managed firewall and endpoint security, administering Meraki and Sophos firewalls and Cisco switches. Administered Microsoft, system and network infrastructure, including VPN access for users and sites. Implemented security controls to protect corporate data and systems. Supported backup, recovery and system availability across the enterprise using Veeam. Handled incidents per ITIL (logging, prioritization, escalation, closure) and performed RCA on recurring issues to drive preventive actions. Automated system checks, log collection and reporting using Python, PowerShell and Bash to reduce manual effort. Used SolarWinds for monitoring and identified automation and alert-noise reduction opportunities to improve operational efficiency.

• System Administrator (Intern)
  Cybervidyapeeth · Haryana
  Jun 2022 – Mar 2023

  Built a foundation in system administration: administered Windows and Linux servers and workstations, including patching. Managed Active Directory user accounts, groups, permissions and access requests. Performed SQL database backups and restores and supported disaster recovery planning and recovery testing. Provided network support (LAN, DHCP, DNS) and administered network firewall rules and access policies. Monitored system performance, resolved server, network and user issues and wrote Bash scripts for routine tasks.

Education

• 2027 SR
  M.Tech in Cybersecurity

  SRM University

  Cyber Security · 2025 – 2027

  Cyber Security · 2025 – 2027
• 2023
  B.E. in Electronics and Communication Engineering

  Hindusthan College of Engineering and Technology

  Electronics and Communication Engineering (ECE) · Aug 2019 – May 2023

  Electronics and Communication Engineering (ECE) · Aug 2019 – May 2023
• 2019 GJ
  Intermediate (10+2)

  Sri Gayatri Junior College

  Science · 2017 – 2019

  Science · 2017 – 2019
• 2017 IH
  Secondary School

  Indur High School

  2017 – 2017

  2017 – 2017

Skills

Tools / apps / platforms

Languages

Projects

• Healthcare Chatbot Security (RAG Architecture)
  Python, HuggingFace, FAISS, FLAN LLM

  Secure retrieval-augmented generation (RAG) healthcare chatbot. Engineered a secure RAG-based chatbot mitigating prompt injection and data poisoning attacks, improving response reliability. Evaluated LLM outputs and reduced hallucination risk through validation pipelines. Conducted third-party component risk evaluation of open-source LLM dependencies, assessing supply chain vulnerabilities and data integrity risks.

• Network Traffic Analysis
  Wireshark

  Monitored and analyzed network traffic to detect security and operational anomalies. Kept a real-time and historical record of network activity, detected malware activity and suspicious traffic patterns, identified vulnerable protocols and weak ciphers, troubleshot slow-network issues, and improved internal visibility.

• Web Phishing Detection
  Python

  Python machine-learning classifier to detect phishing websites that impersonate e-banking sites to steal credentials and card details. Built and evaluated a classification model using data preprocessing, feature extraction and model evaluation.

Courses & certifications

• CompTIA Network+ · Simplilearn
• CompTIA Security+ (SY0-601) · Simplilearn
• CCSP · Simplilearn
• CISSP · Simplilearn
• Google IT Support Professional · Coursera
• In the Trenches: Security Operations Center · Coursera