Senior IT Security Administrator

Location: Bangalore
Department: IT Security
Reports To: Head of IT

Job Overview:

Valenta is seeking an experienced and proactive Senior IT Security Administrator to lead our end-to-end IT security operations. This role will be responsible for safeguarding our entire technology stack-including infrastructure, cloud, endpoints, email systems, and VPN environments-while ensuring compliance with industry standards like ISO 27001.

The ideal candidate will have hands-on experience with tools such as Azure, Sophos, ManageEngine, endpoint security platforms, and will be able to implement security from the initial development phase through to production environments.

Key Responsibilities:

• Audit Compliance:
  
• Lead and manage IT infrastructure audits (internal external).
  
• Ensure ongoing ISO 27001 compliance and security best practices.
  
• Maintain documentation for audits, compliance checks, and client reviews.
  
• Security Operations:
  
• Oversee the complete security lifecycle across development, staging, and production environments.
  
• Implement and manage hardening strategies for all systems (servers, VMs, applications, networks).
  
• Administer and monitor endpoint security tools across all devices.
  
• Ensure email security using anti-spam, phishing detection, and encryption protocols.
  
• Tools Infrastructure:
  
• Manage and secure Microsoft Azure environments and services.
  
• Deploy and administer Sophos for firewall, endpoint, and threat prevention.
  
• Use ManageEngine for IT operations, device management, patching, and log analytics.
  
• Handle virtual machine (VM) deployment, configuration, and security hardening.
  
• Monitor and maintain the health and performance of all security tools and platforms.
  
• Configure and maintain secure VPN setups for remote workforces.
  
• Policies Governance:
  
• Develop and enforce IT security policies, SOPs, and incident response plans.
  
• Train staff on IT security awareness and corporate security standards.
  
• Collaborate with DevOps, IT, and leadership to maintain a secure development pipeline.
  
• Monitoring Incident Response:
  
• Proactively monitor logs, alerts, and system behavior.
  
• Lead incident response, root cause analysis, and corrective action planning.
  
• Continuously evaluate and improve detection and response capabilities.
  

Required Qualifications:

• Bachelor s degree in Computer Science, Information Security, or a related field.
  
• 5+ years of experience in IT Security Administration or related role.
  
• Hands-on experience with:
  
• Microsoft Azure security configuration
  
• Sophos security suite (firewall, EDR, antivirus)
  
• ManageEngine tools (Endpoint Central, Log360, ADManager, etc.)
  
• Endpoint security platforms, VPN, email filtering systems
  
• VM deployment and management
  
• Strong knowledge of firewalls, IDS/IPS, and network segmentation.
  
• Experience in implementing and managing hardening procedures across environments.
  
• Familiarity with scripting (PowerShell, Bash) for automation and monitoring.
  

Preferred Certifications:

• CISSP, CISM, CEH, CompTIA Security+, or ISO 27001 Lead Implementer/Auditor