Top Cyber Security Jobs in Kolkata

Short internship supporting security product operations: gather requirements, track tasks, coordinate cross-team testing and launch, improve workflows and documentation, assist security user channels, and perform day-to-day operational tasks under guidance.

Analyze complex Web3 security incidents, extract attack patterns, and maintain SOPs. Identify workflow gaps and improve operations, partner with AI agents to build a security knowledge base, and convert manual analyses into automated detection rules while staying ahead of emerging DeFi and wallet exploit techniques.

Analyze large-scale on-chain data to detect anomalous transactions, develop detection mechanisms and risk monitoring frameworks, apply supervised and unsupervised ML, identify malicious accounts via community-discovery algorithms, and design integrated on-chain/off-chain prevention and control systems.

Design, develop, maintain, and optimize backend and big-data systems for Binance's Web3 security domain. Build scalable, high-concurrency services, improve security tooling and threat detection, work with data teams on collection and processing, and collaborate with cross-functional and global stakeholders to deliver security-focused technical solutions.

Lead SecOps and threat initiatives: detect, investigate, and remediate complex incidents; perform forensics and adversary emulation; build automation and security tools; mentor engineers; run threat exercises and collaborate cross-functionally to reduce risk.

Lead hands-on application security for a healthcare SaaS platform: perform web and API penetration tests, integrate AppSec tooling into CI/CD, run incident response, manage vulnerabilities, conduct OSINT and attack surface discovery, support HIPAA/SOC2/HITRUST/FedRAMP/ISO27001 compliance, and drive the AppSec roadmap with engineering and leadership.

Design, implement, and maintain security and compliance controls in AWS environments using IaC (Terraform). Manage vulnerability remediation, perform risk assessments, support audits (SOC2, GDPR, ISO), harden systems, integrate controls into engineering workflows, and collaborate with teams to ensure secure software development and automated compliance monitoring.

Lead offensive and defensive security engineering for a threat-hunting product: emulate attackers, perform threat research, design workflows, validate detection accuracy, run penetration tests and simulations, collaborate with data science, and guide product teams on security best practices.

Lead and run vulnerability management and other security programs, drive metrics and accountability, coordinate cross-functional engineering and product teams, improve program practices and tools, and support security leadership with business operations.

Support threat intelligence, incident analysis/response, penetration test coordination, vulnerability scanning and remediation tracking, security tool administration, dashboard maintenance, and adherence to security policies while learning and developing cybersecurity skills.

Manage and operate CyberArk PAM components, implement secret vaulting and automated rotation, integrate credential retrieval for applications, ensure high availability and incident response, collaborate across teams, document procedures, and support compliance through audit trails.

Lead and own the information security program and security engineering at NEAR Foundation. Drive SOC 2 Type 2 and ISO 27001 readiness, run logging/monitoring/incident response, manage vulnerability and third-party risk, harden identity/access/endpoint stacks, automate security and compliance across SaaS, and advise on tooling and cloud security (AWS/GCP).

Secure Aptos core infrastructure and products via design reviews, code audits, penetration tests; build security tools and mitigations; define secure operational practices; advise engineers; and triage bug bounty reports.

Perform protocol-focused security research to prevent vulnerabilities on Ethereum mainnet. Tasks include AI-assisted analysis, fuzzing, manual review, reviewing hardforks and spec changes, improving security tooling and automation, coordinating disclosures, and supporting audits and audit competitions while collaborating with devops, specifications authors, and client implementers.

Lead and align MSS with telecom cybersecurity strategy; implement GRC and risk frameworks; manage risk registers, audits, and incident response; ensure compliance with ISO 27001, NIST CSF, GDPR and communicate risk to executives and customers.

Lead enterprise security architecture: define strategy, design and validate Zero Trust, IAM, multi-cloud and AI security solutions, advise senior stakeholders, perform security assessments and remediation, drive security automation and integrations across DevOps and business units.

Lead evaluation and mitigation of security risks for telecom and data-center technologies (5G, Open RAN, cloud-native, edge). Produce structured security advisories, analyze emerging attacks, recommend secure architectures and segmentation, and collaborate with architecture, engineering, SOC, and leadership to ensure advisory adoption and resilient deployments.

Design, implement, and govern enterprise security architectures across applications, cloud, infrastructure, and networks. Lead threat modeling (STRIDE, MITRE ATT&CK); define security controls, guardrails, landing zones, CSPM and cloud-native controls for Azure/AWS/GCP. Oversee IAM/PAM/SSO/MFA/federation and ensure alignment with ISO27001, NIST, CIS Controls and SOC2. Collaborate with DevOps and architecture teams and present security decisions to stakeholders.

Assess and document security posture for emerging telecom and cloud-native technologies, identify systemic risks, publish structured security advisories, provide defensive guidance, and advise on secure data center builds and architectural resilience while collaborating with architecture, engineering, SOC, and leadership to ensure advisory adoption.

Lead and conduct security assessments, implement secure-by-design practices across IT and business solutions, translate strategies into actionable requirements, evaluate supplier security, identify and remediate vulnerabilities, develop security solutions for corporate infrastructure, and mentor junior team members.

Lead offensive security activities including vulnerability management, deep-dive penetration testing (infrastructure, web, mobile), red teaming/assume-breach simulations, telecom-targeted attacks, APT simulation using MITRE ATT&CK, attack surface and dark-web monitoring, and producing PoCs and remediation roadmaps while mentoring Blue Team members.

Lead application security efforts by governing vulnerability management, automating security workflows, embedding SSDLC practices, partnering with engineering/GRC to meet compliance, and serving as a security SME during incident response and customer escalations.

Lead design and implementation of cloud security controls across AWS and Azure; maintain CSPM and SOC 2 controls; secure container/Kubernetes environments; perform threat modeling, security architecture reviews, continuous vulnerability/compliance validation, incident monitoring/response, and collaborate with engineering teams to embed security practices.

Analyze security incidents and document findings clearly, producing tailored reports with root cause analysis, impact assessment, and remediation recommendations. Track and follow up on vulnerabilities, collaborate with SOC and IT teams, refine documentation processes, and support compliance and knowledge-base development.

Monitor and analyze security, system, application, and cloud logs for anomalies and incidents; use SIEM/SOAR/EDR and CSPM tools; coordinate incident response with cross-functional teams; maintain SOPs, playbooks, vulnerability assessments, and documentation; own shift responsibilities in a 24/7 SOC rotation.