Sachin Kumar

Cyber Security Leader with 14+ years of experience in Information Security, Data Loss Prevention (DLP), Security Operations (SOC), Network Security, Vulnerability Management, DevSecOps, and Enterprise Infrastructure Security. Proven expertise in implementing and managing enterprise-grade security solutions including Trellix/McAfee DLP, Zscaler, Netskope, CrowdStrike, SentinelOne, PAM, SIEM, Firewall Security, and Compliance Frameworks (ISO 27001, PCI-DSS, HIPAA, HITRUST). Successfully reduced incident response time by 40%, strengthened security posture across 400+ servers, and led security transformation initiatives across large-scale enterprise environments.

Senior Manager – Cyber Security - Gigabit Technologies Pvt. Ltd.

(2026-03)

• Leading enterprise cyber security strategy and governance initiatives.
• Driving OT, IoT, and IoMT security programs using Claroty and Zscaler technologies.
• Implementing Akamai Micro-Segmentation for advanced network security.
• Managing enterprise-wide network architecture and infrastructure security.
• Driving security modernization initiatives across hybrid environments.
• Collaborating with business and technology leadership teams to enhance cyber resilience.

Assistant Manager – IT Security - R Systems International Limited

(2021-08 - 2026-03)

Managed comprehensive security operations and infrastructure across enterprise environments.

• Managed enterprise-wide Data Loss Prevention (DLP) program covering Endpoint DLP, Email DLP, CASB, and Proxy Security solutions.
• Administered Harmony Check Point Email Security platform to monitor, detect, and prevent sensitive data leakage through email communications.
• Worked extensively with Trellix/McAfee DLP, Proofpoint, Netskope, and Zscaler (ZIA, ZPA, ZDX) to strengthen enterprise data protection controls.
• Configured and maintained DLP policies across USB devices, email communications, web uploads, printing, clipboard activities, and network shares.
• Implemented data classification, content inspection, and compliance policies to safeguard PII, financial records, and confidential business information.
• Investigated DLP incidents, analyzed policy violations, performed root cause analysis, and coordinated remediation activities with business and IT stakeholders.
• Conducted DLP policy tuning and optimization activities to reduce false positives and improve detection accuracy.
• Managed DLP agent deployment, upgrades, health monitoring, troubleshooting, and operational support across Windows endpoints and server environments.
• Integrated Trellix DLP alerts with SIEM platforms for centralized monitoring and incident response workflows.
• Generated executive-level security reports and collaborated with stakeholders to continuously enhance enterprise data protection controls.
• Oversaw enterprise security operations involving SIEM, EDR, DLP, Firewall, and endpoint security solutions.
• Led threat detection, incident investigation, incident response, and remediation activities across enterprise environments.
• Managed and monitored CrowdStrike Falcon EDR and SentinelOne security solutions to identify and respond to advanced threats.
• Improved incident handling processes through automation, escalation management, and operational excellence initiatives.
• Conducted internal security audits aligned with ISO 27001, HIPAA, PCI-DSS, and HITRUST compliance requirements.
• Coordinated audit evidence collection, implementation validation, and compliance reporting activities.
• Worked closely with audit teams to ensure successful certification, recertification, and regulatory compliance.
• Performed endpoint security assessments before onboarding project teams and critical business systems.
• Provided technical support and documentation during external compliance assessments and security audits.
• Integrated SAST, DAST, and SCA security testing into DevSecOps pipelines to strengthen secure software development practices.
• Implemented automated security scanning within CI/CD workflows for continuous security validation.
• Performed application security assessments and vulnerability analysis using SAST, DAST, and SCA solutions.
• Supported secure coding initiatives through identification and remediation of application security vulnerabilities.
• Conducted open-source dependency analysis and security posture reviews.
• Performed periodic Vulnerability Assessment and Penetration Testing (VAPT) across corporate websites, applications, servers, and internal infrastructure.
• Conducted monthly and quarterly infrastructure security reviews covering servers, network devices, and enterprise applications.
• Presented detailed vulnerability reports and remediation recommendations to business and technology stakeholders.
• Tracked remediation efforts and continuously improved enterprise security posture.
• Designed and supported enterprise security infrastructure projects.
• Managed firewall security, endpoint encryption, and infrastructure hardening initiatives.
• Troubleshot and resolved networking issues involving TCP/IP, DNS, DHCP, and Layer 2/Layer 3 network devices.
• Administered Sophos Safeguard Encryption, WinMagic Encryption, McAfee Encryption, and BitLocker-based endpoint encryption solutions.
• Managed Network ATP solutions including DDI and DDAN technologies.
• Led Proof of Concept (POC) activities for emerging security technologies and enterprise security solutions.
• Supported deployment and administration of ARCON Privileged Access Management (PAM) solution.
• Led technical security projects and collaborated with cross-functional teams to deliver security initiatives.
• Worked closely with business stakeholders, infrastructure teams, development teams, and audit teams to strengthen organizational security controls.
• Drove continuous security posture improvement initiatives across enterprise environments.

Senior Infosec Engineer - SSIL Infotech Pvt. Ltd.

(2021-05 - 2021-08)

• Managed enterprise firewall security solutions including Palo Alto, Check Point, Fortinet, SonicWall, and Cyberoam.
• Administered Trend Micro, McAfee, and Symantec endpoint security platforms.
• Supported deployment and management of Trend Micro Tipping Point NIPS.
• Performed firewall policy reviews and security hardening activities.
• Assisted in threat prevention and incident response activities.
• Supported enterprise network security initiatives and customer security projects.

Team Lead – Security - Gigabit Technologies Pvt. Ltd.

(2018-07 - 2021-05)

• Led technical teams responsible for implementation of enterprise security solutions.
• Designed and deployed firewall, VPN, IDS/IPS, and network security architectures.
• Implemented IPsec VPN, SSL VPN, Cisco VPN, PPTP, and L2TP remote access solutions.
• Configured site-to-site VPN connectivity between firewalls and branch locations.
• Implemented VLANs, VTP, EtherChannel, and Layer-3 routing solutions.
• Configured QoS policies and security policies across enterprise networks.
• Implemented IDS, IPS, ACLs, and DoS protection mechanisms.
• Managed firewall high availability (HA) deployments.
• Conducted infrastructure hardening and security assessments.
• Troubleshot enterprise networking issues involving TCP/IP, DNS, DHCP, and routing protocols.
• Managed endpoint encryption solutions and security controls.
• Led customer implementations and technical project delivery.
• Mentored junior engineers and provided technical leadership.

Pre-Sales & Technical Consultant - Trifin Technologies Pvt. Ltd.

(2016-04 - 2018-06)

• Provided pre-sales consulting and technical solution design for enterprise customers.
• Conducted customer requirement analysis and solution architecture discussions.
• Designed network security and firewall solutions for enterprise environments.
• Implemented IPsec VPN, SSL VPN, Cisco VPN, PPTP, and L2TP solutions.
• Configured routing protocols including OSPF and policy-based routing.
• Implemented VLANs, VTP, EtherChannel, QoS, IDS, IPS, and High Availability solutions.
• Conducted product demonstrations and technical workshops.
• Assisted customers in security transformation projects.
• Delivered technical presentations and proof-of-concept deployments.

IT Support Engineer - Eon Networks Pvt. Ltd.

(2015-01 - 2016-04)

Managed Windows Server environments and enterprise infrastructure.

• Managed Windows Server environments including Active Directory, DNS, DHCP, DFS, FTP, and Exchange Server.
• Supported server administration, migration, and infrastructure maintenance activities.
• Managed firewall security and endpoint protection solutions.
• Administered user accounts, groups, permissions, and shared resources.
• Performed troubleshooting of network, server, and endpoint issues.
• Supported enterprise antivirus and security management solutions.
• Assisted in implementation of IDS and IPS controls.

Dialer & System Engineer - BMA Wealth Creators Pvt. Ltd.

(2013-01 - 2015-01)

• Managed Windows desktop and server infrastructure supporting business operations.
• Administered routers, switches, EPBX systems, and network connectivity.
• Managed Exchange and Outlook email environments.
• Supported server monitoring, troubleshooting, and maintenance activities.
• Configured user accounts, shared resources, printers, and endpoint devices.
• Provided L1/L2 technical support to end users.
• Supported call center infrastructure and voice recording systems.
• Managed remote troubleshooting using VNC and remote support tools.
• Assisted in deployment and maintenance of Linux and Windows environments.

Master of Computer Applications (MCA) - Cyber Security - Jain University, Bangalore (2022 - 2024)

Bachelor of Education (B.Ed.) - Himachal Pradesh University, Shimla (2008 - 2010)

Bachelor of Science (B.Sc.) - M.J.P. Rohilkhand University, Bareilly (2005 - 2008)