Kallol Chowdhury

DevOps Engineer

Gurugram, Haryana, India8 yrs 8 mos experience

Most Likely To SwitchHighly Stable

Key Highlights

Over 7 years of experience in network security.
Proven track record of delivering projects on time.
Expert in threat analysis and risk management.

Stackforce AI infers this person is a Cybersecurity professional with expertise in network security and risk management.

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Skills

Core Skills

Network SecurityCybersecurityNetwork Engineering

Other Skills

CcnaCisco ASACisco CertifiedCisco Firewall SecurityCisco NetworkingCisco Systems ProductsCisco WANCommunicationComputer Network OperationsComputer NetworkingCore NetworkCrowdstrike FalconCyber Threat Hunting (CTH)Cyber Threat Intelligence (CTI)EDR

About

Experienced Network Security Engineer with over 7.6 years of expertise in designing, implementing, and managing secure network infrastructures to safeguard organizational assets. Proficient in Security Operations Center (SOC), Cybersecurity operations, firewall management, intrusion detection/prevention systems (IDS/IPS), and vulnerability assessments. Skilled in ensuring compliance with security policies, mitigating risks, and responding to security incidents to maintain robust network defenses. A proven track record of delivering projects on time and within budget while maintaining high-security standards. Adept at collaborating with cross-functional teams and stakeholders to align security strategies with business objectives. Recognized for identifying innovative solutions to complex security challenges, optimizing network performance, and enhancing overall cybersecurity posture. Strong leadership and time-management skills, combined with a proactive approach to problem-solving, have consistently driven operational excellence and contributed to organizational success. Committed to staying updated with the latest security trends and technologies to deliver cutting-edge solutions.

Experience

Concentrix

Network Security Engineer

May 2023 – Present · 2 yrs 10 mos · Gurugram, Haryana, India

Hcl technologies

Specialist

Jul 2021 – May 2023 · 1 yr 10 mos · Noida, Uttar Pradesh, India

Handel day to day task, maintaining SLA , monitoring, follow ups,
connecting with teams, maintaining network security
Performing FortiGate firewall activity like taking backup, implementation
policy, whitelisting and blocking ip , domain , URL
Handling perimeter and as well as endpoint EDR account as well like
(crowd strike, Symantec, defender)
Streamlined the process of troubleshooting and monitoring activities,
leading to an improvement up-time .
Worked with the leadership team to improve wired and wireless network
infrastructure, resulting in uptime of 99.99%
Drove operational improvements, increasing network efficiency and
productivity .
Built out relationships with key client stakeholders and troubleshot 100%
of Firewall problems
Perform several DR ( Disaster recovery ) Activity .
Performed threat analysis in a 24/7 environment, mitigating and
managing all threats and risks to the company and gaining 99% security in
data.
Managed and created rules and policies for end-users in the data
protection area
Quarantined and removed any security issues found to ensure security,
Successfully secured and monitored attacks utilizing skills, expertise, and
proficiency in cybersecurity and safety

FortiGate firewallEDRThreat analysisNetwork securityOperational improvementsNetwork Security+1

Inetwork experts

NETWORK SUPPORT ENGINEER

Dec 2017 – Jul 2021 · 3 yrs 7 mos · india

Handling network and access related issues for users
Configuring routing (ripv2, eigrp,ospf ) switching ( vlan , stp ) to manage
Network access
Configuring firewall FortiGate , CISCO ASA ( creating policy, managing URL filtering , ACL ) to
control access of the network
Charged with building, configuring, installing, managing, and monitoring
networking infrastructure-related hardware and software .
Drove operational improvements, increasing network efficiency and
productivity .