Sr. Security Engineer

Hitachi Digital; New Delhi; On-site; INR 1,800,000 - 3,000,000; Full time

Job summary

Hitachi Digital is seeking a Senior Security Engineer to join the Global SOC Team. You will strengthen detection, response, and threat hunting within a 24x7 SOC, working closely with cross-functional teams to improve security controls and analytics.

You will lead investigations of escalated incidents, develop detection logic, and mentor junior analysts while staying current on emerging threats and best practices across Windows, Linux, macOS, and cloud environments.

Qualifications

• 4–6 years in a 24x7 SOC environment.
• Experience handling escalated security incidents and leading investigations.
• Hands-on with SIEM, EDR, DLP, Email Security, Identity Protection.
• Experience creating and tuning correlation rules, detection logic, and security policies.
• Experience with CrowdStrike Falcon or other enterprise EDR platforms.
• Experience conducting incident response, threat hunting, forensics, and malware investigations.
• Strong knowledge of MITRE ATT&CK Framework, Cyber Kill Chain, Threat Intelligence, and Attack Analysis.
• Experience performing root cause analysis and producing incident reports for management and technical teams.
• Good understanding of Identity Security and Privileged Access concepts.
• Strong networking knowledge and familiarity with Windows, Linux/Unix, macOS, and server environments.

Responsibilities

• Monitor, triage, and investigate alerts from SIEM, EDR, DLP, Email Security, Identity Protection.
• Lead the investigation of escalated security incidents and drive resolution with RCA.
• Proactive threat hunting across enterprise environments to identify advanced threats.
• Develop, tune, and maintain detection use cases, rules, and security analytics.
• Manage and optimize security controls, policies, and automated workflows within EDR platforms (CrowdStrike preferred).
• Conduct malware analysis and security investigations across endpoints, identities, cloud services, and networks.
• Review telemetry, logs, and threat intel to identify anomalies and attack patterns.
• Collaborate with Infra, Cloud, Network, IAM, Compliance, and Eng teams to improve security controls.
• Mentor SOC analysts and provide guidance during investigations and IR activities.
• Keep up to date with emerging threats and industry best practices.

Skills

SOC operations

SIEM

EDR

DLP

Email Security

Identity Protection

Threat hunting

Incident response

Root cause analysis

MITRE ATT&CK

Cyber Kill Chain

Threat Intelligence

Forensics

Networking

Windows

Linux/Unix

macOS

CrowdStrike Falcon

Security analytics

Tools

CrowdStrike Falcon

Job description

Job Description

Meet Our Team

We are the Global SOC Team, part of Enterprise Information Security at Hitachi Digital. Our mission is to protect the companys and its customerscritical information systems and data by proactively monitoring, detecting, investigating, and responding to cyber threats. We are a team of passionate security professionals, threat hunters, and problem-solvers who continuously strive to improve our security posture through innovation, collaboration, and operational excellence.

We are looking for a highly motivated Senior Security Engineer who is passionate about cybersecurity, thrives in a fast-paced environment, and is eager to contribute to a world-class Security Operations Center.

What You''ll Be Doing

As a Senior Security Engineer, you will work as an individual contributor within our 24x7 Security Operations Center and play a key role in strengthening our detection, response, and threat hunting capabilities.

Core Responsibilities

• Monitor, triage, and investigate alerts from SIEM, EDR, DLP, Email Security, Identity Protection.
• Lead the investigation of escalated security incidents and drive them to resolution with clear root cause analysis (RCA).
• Perform proactive threat hunting across enterprise environments to identify advanced threats and suspicious activities.
• Develop, tune, and maintain detection use cases, correlation rules, and security analytics.
• Manage and optimize security controls, policies, and automated workflows within EDR platforms (CrowdStrike preferred).
• Conduct malware analysis and security investigations across endpoints, identities, cloud services, and network environments.
• Review and analyze telemetry, logs, and threat intelligence to identify security anomalies and attack patterns.
• Collaborate with Infrastructure, Cloud, Network, IAM, Compliance, and Engineering teams to improve security controls.
• Mentor SOC analysts and provide technical guidance during investigations and incident response activities.
• Keep up to date with emerging threats, attacker techniques, security technologies, and industry best practices.

What You Bring to the Team

Required Experience

• 4-6 years of experience in a 24x7 Security Operations Center (SOC) environment.
• Strong experience handling escalated security incidents and leading investigations.
• Hands‑on experience with SIEM, EDR, DLP, Email Security, Identity Protection.
• Experience creating and tuning correlation rules, detection logic, and security policies.
• Experience working with CrowdStrike Falcon or other enterprise EDR platforms.
• Experience conducting incident response, threat hunting, digital forensics, and malware investigations.
• Strong knowledge of MITRE ATT&CK Framework, Cyber Kill Chain, Threat Intelligence, and Attack Analysis.
• Experience performing root cause analysis and producing incident reports for management and technical teams.
• Good understanding of Identity Security, Privileged Access, and Identity Protection concepts.
• Strong knowledge of networking fundamentals including TCP/IP, DNS, DHCP, SMTP, HTTPS, LDAP, VPNs, and web technologies.
• Experience with Windows, Linux/Unix, macOS, and server environments.
• Strong analytical, troubleshooting, communication, and stakeholder management skills.
• Ability to work independently and drive security initiatives to completion.

It Will Be a Plus If You Have

• Knowledge of Cloud Security (Azure, AWS, Google Cloud Platform).
• Knowledge with Vulnerability Management and Security Assessments.
• Security certifications such as:
  • CrowdStrike Certifications
  • CEH
  • CompTIA CySA+

Why Join Us

If you are passionate about cybersecurity, threat hunting, detection engineering, and incident response, and want to work with a highly skilled global security team protecting a large enterprise environment, we invite you to join Hitachi Digital Cyber Defence Team and contribute to our mission of securing the future.