SOC STATUS ▲ OPERATIONAL THREAT INTEL ACTIVE MONITORING INCIDENT RESPONSE ✓ READY CLOUD SECURITY ENFORCED VULNERABILITY MGMT ▲ SCANNING ENDPOINT DEFENSE PROTECTED NETWORK IDS/IPS ▲ INLINE SIEM CORRELATION RUNNING PALO ALTO NGFW ▲ ONLINE MITIGATA SOC ENGAGED SOC STATUS ▲ OPERATIONAL THREAT INTEL ACTIVE MONITORING
Ranjeethu Kumar — Senior Cybersecurity Analyst
Senior Cybersecurity Analyst · Mitigata

RANJEET KUMAR

🔗 Connect with me: Instagram | LinkedIn

Cybersecurity  |  Security Operations  |  Cloud & Network Defense

Senior Cybersecurity Analyst at Mitigata protecting digital infrastructure through threat detection, incident response, and proactive security operations across cloud and network environments.

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01 / Profile

About Me

Ranjeethu Kumar
CYBERSECURITY ANALYST

I'm Ranjeethu Kumar Senior Cybersecurity Analyst at Mitigata, where I protect organisations through advanced threat detection, security operations, and proactive defense across cloud and network environments.

With a background spanning Hitachi Systems, NPCI, and Global Edge Software, I bring 7+ years of cross-domain expertise from enterprise network engineering and cloud architecture to full-stack security operations. I've built and hardened infrastructure for mission-critical environments across banking, telecom, and enterprise verticals.

Beyond the SOC, I'm passionate about fitness, travel, and building a credible personal brand around continuous growth because a sharp mind and a strong body work better together.

Ranjeethu Kumar is a cybersecurity engineer based in Bangalore, India, specializing in presales engineering, vulnerability assessment (VAPT), and enterprise security solutions. You can follow Ranjeethu on Instagram for insights and connect on LinkedIn: @ranjeethu, LinkedIn Profile.

Cybersecurity Incident Response Threat Analysis Palo Alto Cloud Security SIEM Vulnerability Mgmt Network Defense
02 / Capabilities

Core Skills

🛡️
Security Operations
Threat Detection & Analysis92%
Incident Response90%
SIEM & Log Correlation88%
Vulnerability Management87%
☁️
Cloud & Network Security
Cloud Security (AWS/Azure)88%
Palo Alto NGFW85%
Network Defense & IDS/IPS87%
Zero Trust Architecture82%
🔍
Analysis & Consulting
Presales / Technical Consulting90%
Risk & Threat Assessment88%
Stakeholder Reporting87%
Security Research85%
⚙️
Operations & Infrastructure
Endpoint Security88%
Linux & Shell Scripting85%
Remediation Coordination87%
Documentation & Runbooks90%
03 / History

Work Experience

Mar 2026 – Present// Full-Time · Current Role
Senior Cybersecurity Analyst
Mitigata — Bangalore
  • Monitor and analyse security alerts across endpoint, network, and cloud environments using advanced SIEM and threat intelligence platforms.
  • Investigate suspicious activity, perform root cause analysis, and lead incident response workflows from detection through containment and recovery.
  • Conduct vulnerability assessments and coordinate structured remediation with internal teams and stakeholders.
  • Deliver presales support and technical consulting — translating complex security requirements into actionable architecture and solution proposals.
  • Prepare executive-level reports, threat briefings, and security posture insights for leadership and clients.
  • Continuously tune detection rules, review telemetry, and improve security visibility across tools and log sources to strengthen proactive defense.
Dec 2020 – Feb 2026// Full-Time · Senior Role
Network Engineer
Hitachi Systems India Pvt Ltd — Bangalore
  • Delivered enterprise network operations for switches, routers, and high-availability systems with continuous uptime focus.
  • Managed end-to-end incident response, troubleshooting, and escalation workflows to minimize MTTR.
  • Designed route-based IP network solutions and commissioned production-ready infrastructure.
  • Troubleshot Cisco, Juniper, and Aruba platforms at scale across software, hardware, and communications layers.
  • Monitored network capacity and performance metrics to identify and fix bottlenecks before impact.
  • Collaborated with vendors for performance optimisation and hardware lifecycle planning.
  • Authored operational runbooks, diagrams, and documentation for mission-critical teams.
Dec 2020 – Mar 2021// Contract · Network Build
Network Build Engineer
NPCI — Hyderabad
  • Implemented Cisco, Aruba, and Fortigate systems for NPCI production environments under strict SLA requirements.
  • Produced HLD and LLD diagrams for Ambattur and Hyderabad data centre designs.
  • Configured routing, VLAN, and security policy architecture for high-security payment infrastructure.
  • Collaborated with cross-functional teams to deliver a resilient, compliant enterprise network.
Apr 2017 – Apr 2020// Full-Time · Software Engineering
Software Engineer
Global Edge Software Pvt Ltd — Bangalore
  • Delivered scalable applications for enterprise data extraction, analysis, and indexing solutions.
  • Built automation scripts that eliminated manual work and improved operational efficiency.
  • Led a team of 6 engineers, driving delivery and mentoring technical talent.
  • Built BLE and IoT solutions on Samsung ARTIK and Raspberry Pi platforms.
  • Modernised legacy systems and reduced operational costs by 50% through refactoring.
04 / Credentials

Certifications & Education

🌐
F5 Distributed Cloud Technical Pre-Sales
F5 Networks
● ACTIVE
🛡️
CYBERFORCE: Defender
Cyberforce Security
● ACTIVE
🏅
Cisco Certified Specialist
Cisco Systems
Enterprise Infrastructure
🔷
VMware Certified Technical Associate
VMware · Broadcom
Network Virtualization
☁️
AWS Certified Advanced Networking
Amazon Web Services
● ACTIVE
🔥
Palo Alto Networks System Engineer (PSE)
Palo Alto Networks
● ACTIVE
🔐
Palo Alto Networks Certified Software
Palo Alto Networks
● ACTIVE
📊
Dynatrace Associate
Dynatrace
Observability & Security
🎓
Bachelor of Engineering — Electronics & Communications
Don Bosco Institute of Engineering — Bangalore
Jun 2012 – Jan 2016  ·  Electronics & Communications Engineering
05 / Achievements

Key Accomplishments

01
📉
50% Cost Reduction
Modernised legacy codebases, cutting operational expenses by 50% through disciplined refactoring and modern architecture.
02
😊
90% Satisfaction Lift
Improved customer satisfaction by 90% through effective Wi-Fi and IoT issue resolution.
03
🗺️
NPCI Network Architecture
Designed HLD/LLD network diagrams for NPCI data centre locations supporting national payment infrastructure.
04
🏠
Home Automation Framework
Built an IoT automation framework for Samsung ARTIK and Raspberry Pi, earning recognition from successive teams.
05
👥
Team Leadership
Led a team of 6 engineers, boosting delivery through strong collaboration and technical mentoring.
06
🔒
Security Patching
Implemented a patching programme to remove vulnerabilities and protect sensitive production systems.
06 / Blog

Latest Posts

Networking · Cloud · Engineering · Career — practical articles from Ranjeethu Kumar.

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07 / Connect

Get In Touch

Let's Strengthen Security Together

Open to cybersecurity consulting, senior analyst roles, and technical partnerships. Based in Bangalore (560079) — available for on-site, hybrid, or remote engagements.

✉
ranjeethkumar054@gmail.com
📞
+91 7899654469
in
linkedin.com/in/ranjeethkumar054
📍
Bengaluru, India — 560079
contact_rk.sh
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msg:
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Life Outside the NOC
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