Senior Security Expert

1 day ago

Chennai, Tamil Nadu, India beBeeSecurity Full time ₹ 20,00,000 - ₹ 25,00,000

We are seeking a seasoned security expert to join our team as a Senior Security Engineer.

This role requires an individual with deep hands-on experience in Linux, scripting, and automation. The ideal candidate will have expertise in threat detection engineering, log management, SIEM operations, and security hardening across the infrastructure stack.

Responsibilities include configuring and managing open-source SIEM solutions, automating log ingestion and parsing, maintaining firewalls for network-level defense, and monitoring alerts from various security tools.

The successful candidate will also be responsible for deploying and hardening web servers, integrating identity access management platforms, securing containers and orchestration platforms, and collaborating with cross-functional teams on threat-informed defense strategies.

Key Responsibilities :

  • Configure, tune, and manage open-source SIEM solutions (e.g., Wazuh) and IDS/IPS tools (e.g., Suricata)
  • Automate log ingestion, enrichment, parsing, and correlation using Python, Bash, or PowerShell
  • Maintain and customize firewalls (e.g., CSF, PFsense, VyOS) for network-level defense
  • Monitor and investigate alerts, vulnerabilities, and anomalies from SAST, DAST, and SIEM
  • Deploy and harden NGINX / OpenResty web servers, including custom Lua-based security modules
  • Integrate and manage IAM/IDP platforms like Keycloak with OAuth2, JWT, SAML, TOTP, RBAC
  • Secure containers and orchestration platforms (Docker, Kubernetes) and enforce best practices
  • Implement Linux system hardening and optimize performance for critical workloads
  • Collaborate with Red Team and DevSecOps on detection rules, attack simulations, and alert fidelity
  • Contribute to a threat-informed defense aligned with HIPAA, SOC2, and Zero Trust

Required Skills :

  • Expert-level Linux administration and performance tuning
  • Strong proficiency in Python, Bash/Shell, and optionally PowerShell
  • Experience with Wazuh, Suricata, Syslog, and log correlation
  • Deep hands-on experience in NGINX / OpenResty, including custom configuration and tuning
  • Proven automation experience for:
    • Log parsing
    • Security alerting
    • Threat enrichment
  • Hands-on with firewall systems like PFsense, VyOS, CSF
  • Experience with Keycloak IAM/IDP, OAuth2, JWT, TOTP, RBAC
  • Experience with MongoDB (security, logs, field-level encryption optional)
  • Experience with Docker and Kubernetes for container security and runtime hardening
  • Familiarity with SAST/DAST tools and how to triage and fix issues from reports

Preferred Skills :

  • Experience customizing or extending open-source security tools
  • Ability to write Lua scripts for OpenResty WAF custom rules
  • Familiarity with threat intelligence ingestion (AbuseIPDB, OTX, etc.)
  • Knowledge of CI/CD pipeline security (GitHub Actions, GitLab CI, Jenkins)
  • Familiarity with compliance frameworks (HIPAA, SOC2, ISO 27001)

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