Top Cyber Security Jobs in Chennai

Support enterprise PKI and Certificate Lifecycle Management platforms, including certificate issuance, renewal, revocation, monitoring, automation, troubleshooting, and compliance. Maintain Certificate Authorities, HSMs, and cryptographic services; assist application and infrastructure teams with certificate onboarding; participate in disaster recovery, upgrades, audits, and documentation. Collaborate with cybersecurity, cloud, infrastructure, and application teams to improve secure certificate management practices.

Designs and reviews security architecture, performs threat modeling and cloud assessments, responds to incidents, manages security tools, and advises engineering teams on secure development. Conducts code and vulnerability reviews using OWASP and MITRE ATLAS, evaluates AI and LLM security risks, and supports security monitoring, risk assessment, data protection, and compliance across applications, infrastructure, and endpoints.

Provides advanced managed-services support across cloud, security, networking, and application environments. Resolves complex incidents, monitors infrastructure, manages escalations and SLAs, coordinates with vendors, and identifies opportunities for optimization and automation. Creates knowledge articles, mentors junior engineers, supports projects and disaster recovery, and ensures client systems remain configured, tested, operational, and aligned with service requirements.

Provides first-line support for client IT infrastructure across cloud, security, networking, applications, and collaboration domains. Monitors systems, investigates and resolves low-complexity incidents, maintains tickets, performs patching and configuration changes, supports disaster recovery testing, updates knowledge articles, and escalates issues when needed. The role also supports project activities, shift handovers, service-level compliance, and positive client experiences.

Leads secure-by-design and secure-by-default architecture across on-premises and cloud environments. Responsibilities include threat modeling, architecture reviews, cloud and SaaS security assessments, API and secrets security, identifying security gaps, defining controls and mitigations, advising stakeholders, and improving security architecture maturity, policies, and standards. The role serves as a subject matter expert and thought leader in emerging cyber technologies and secure architecture practices.

Own product security end to end, including vulnerability identification and remediation, secure SDLC practices, SOC 2 compliance, incident response, access controls, data protection, security tooling, vendor assessments, and audit readiness. Partner directly with engineering teams, review production code, strengthen security culture, communicate risk to leadership and external stakeholders, and support evolving compliance requirements such as ISO 27001.

Maintain and configure Workday security, tenant settings, business processes, roles, groups, integrations, data visibility, SSO, and access controls. Perform EIB uploads, tenant migrations, data purging, logging, and mass operations. Resolve complex support issues, assess dependencies, manage incidents and changes, and advise stakeholders. Requires Workday security certification, knowledge of HR processes and another Workday module, ITIL expertise, customer support experience, and strong communication skills.

Provides L2 managed security services support by monitoring infrastructures, investigating and resolving incidents, managing tickets and SLAs, executing approved changes, assisting L1 engineers, and supporting incident triage. The role includes client escalation handling, ticket quality audits, trend analysis, automation collaboration, change documentation, maintenance planning, and cross-team communication.

Manage and optimize enterprise vulnerability scanning and exposure management platforms across global regions. Identify coverage gaps, prioritize vulnerabilities by business risk and threat intelligence, perform root cause analysis, coordinate remediation, manage vendor and technology partnerships, support incident response, test emerging security technologies, provide technical guidance, and report strategic updates to senior leadership.

Own security and compliance for finance and digital platforms. Implement KYC/AML, audit logging, encryption, and compliance controls. Coordinate external VAPT vendors and auditors. Define security policies for mobile and backend systems to meet SEBI/IRDAI, PCI-DSS, and GDPR standards.

Conduct security assessments, audits, threat modeling, vulnerability testing, and remediation across IT and business solutions. Translate security strategies into actionable requirements, advise teams on secure-by-design practices, evaluate supplier security, and develop security solutions for corporate infrastructure. The role also involves mentoring colleagues, promoting security policies, and communicating cybersecurity concepts to technical and non-technical stakeholders.

Own the GRC engineering program by building continuous control monitoring, common controls frameworks, automated evidence collection, control validation, risk workflows, asset prioritization, and audit-ready reporting. The role integrates identity, cloud, code repositories, endpoints, and ticketing systems; develops policy and control checks in code; guides AI-assisted compliance workflows; tracks program metrics; and represents the technical implementation during audits.

Own cloud and infrastructure security architecture across Azure and AWS, including network segmentation, workload isolation, hardened images, Kubernetes, policy as code, AI workload security, and vulnerability management. Build secure-by-default infrastructure modules, landing zones, and automated evidence processes. Establish cloud posture and workload protection practices, drive remediation through pull requests, and ensure controls satisfy ISO 27001, SOC 2, and future regulatory requirements.

Lead application security across One Identity’s products by threat modeling designs, defining security requirements, reviewing and fixing code, tuning security testing tools, managing vulnerability response and coordinated disclosure, overseeing SBOM and software composition analysis, and advising engineering on AI-assisted development. The role requires deep C#/.NET expertise, Java fluency, product security experience, and the ability to embed practical security controls throughout the software development lifecycle.

Defines enterprise security architecture strategy and standards across Nokia, leading complex initiatives involving Zero Trust, IAM, multi-cloud security, application and network segmentation, AI security, and cyber resiliency. Advises senior stakeholders on security strategy, supplier risk, M&A due diligence, and regulatory matters. Assesses vulnerabilities, validates security solutions, supports penetration testing and hardening, and delivers automated security capabilities across cloud-first infrastructure and DevSecOps environments.

Own platform architecture, infrastructure security, access controls, database maturity, and AWS migration. Write secure production code, establish infrastructure standards, review security changes, partner with InfoSec, mentor engineers, troubleshoot recurring failures, and guide DevOps implementation. The role also supports AI infrastructure, model serving, agent observability, React and TypeScript applications, and infrastructure security on-call responsibilities.

Designs and implements secure telecom network architectures, including firewalls, IDS/IPS, VPNs, and network segmentation. Advises clients on threat modeling, vulnerability analysis, risk mitigation, security policies, audits, incident response, and telecom-specific threats. Develops security strategies and awareness training while leading complex security improvement projects and collaborating with architecture, engineering, SOC, and business stakeholders.

Assess emerging telecom and infrastructure technologies for security risks, attack surfaces, dependencies, and systemic impact. Develop actionable security advisories, threat-based recommendations, and mitigation strategies for engineering, operations, architecture, SOC, and leadership teams. Evaluate data center and network security, translate attack intelligence into defensive controls, and influence cross-functional adoption of risk-based security guidance.

Conducts cybersecurity risk assessments for telecom network infrastructure, maintains risk registers, develops security policies, performs audits, supports incident response, monitors emerging threats, and delivers security awareness training. The role collaborates with network engineers and security architects to implement risk mitigation strategies and align telecom security with regulatory frameworks and organizational security objectives.

Manages physical security for a power plant, including threat assessments, vulnerability mitigation, workforce readiness, surveillance and access control. Coordinates with law enforcement and intelligence agencies, leads crisis response drills and investigations, and ensures compliance with industrial security requirements. The role requires extensive security operations experience in high-stakes industrial or sensitive environments, with military or senior police backgrounds also considered.

Provides L2 managed security services support for client security infrastructures, monitoring and resolving incidents, managing tickets and SLAs, executing approved changes, supporting escalations, assisting L1 engineers, auditing ticket quality, and identifying automation opportunities. The role requires collaboration with clients and internal teams, clear documentation, change management participation, and troubleshooting of WAF-related security operations.

Provides first-line managed services support for client IT infrastructure, monitoring systems, investigating and resolving security and network incidents, handling ITSM tickets, performing patching and configuration changes, supporting disaster recovery testing, documenting solutions, and escalating issues while maintaining service levels.

Oversee remediation of information security findings from third-party assessments. Review evidence, validate security controls, evaluate risks, identify program gaps, coordinate with vendors and stakeholders, report progress, manage escalations, and drive findings to closure. Lead remediation assessors and resources while supporting risk management, compliance, audit, process improvement, and global security initiatives.

Configure and secure Workday HCM, manage user provisioning and access, process security-related business process corrections, and support UAT, regression, integration, and report testing. Collaborate on SOX, privacy, and security audits; review access procedures and controls; and work with quality assurance teams to validate application requirements. The role also involves process redesign, project management, documentation, and occasional variable scheduling, nights, weekends, and overtime.

Supports enterprise IAM and cybersecurity operations across Active Directory, Entra ID, SSO, MFA, and identity lifecycle processes. Investigates security alerts using SIEM, EDR, cloud, and infrastructure tools; resolves IAM incidents; supports RBAC, privileged access, access reviews, audits, and compliance activities. The role also maintains documentation, identifies automation opportunities, mentors junior analysts, and works rotating 24x7 shifts in collaboration with global IT and cybersecurity stakeholders.