Job Title: IT Manager Infrastructure, Networking & Security

Education & Qualifications

- Bachelors degree in information technology, Computer Science, or a related field
- Relevant industry certifications (e.g., Microsoft, AWS, Cisco, VMware, Fortinet) preferred
- Certifications in ITIL, Information Security and ISO standards (e.g., ISO/IEC 27001, CISSP, CISM,CEH) are preferred.

Experience Requirements

- Minimum 5+ years of hands-on experience in IT infrastructure, networking, and security administration
- Proven experience managing Windows Server and Linux (Red Hat or equivalent) environments
- Solid experience with virtualization technologies such as VMware and Hyper-V
- Hands-on expertise in firewall, IDS/IPS, and network security management
- Experience with cloud platforms such as Microsoft Azure and Amazon Web Services (AWS) is mandatory
- Familiarity with Fortinet, Cisco ASA, and A10 Networks appliances is an added advantage
- Exposure to ITIL Framework, ISO standards and Information Security frameworks is preferred

Key Skills & Competencies

- Strong knowledge of network architecture, system administration, and IT security best practices
- Ability to design, implement, and manage secure network infrastructures, including VLANs and segmentation
- Expertise in data centre security, including inbound/outbound traffic control and firewall policies
- Proficiency in load balancing and network performance optimization




- Understanding of Information Security principles, risk management, and compliance frameworks (e.g., ISO/IEC 27001)
- Experience in IT governance frameworks and security compliance standards
- Strong problem-solving skills with a proactive approach to infrastructure and security management
- Excellent communication and stakeholder management skills

Roles & Responsibilities

- Manage and maintain the organizations IT infrastructure, network systems, and security architecture
- Design, implement, and continuously improve secure and scalable network solutions
- Administer and optimize virtual environments for business and testing needs
- Configure, monitor, and maintain firewalls, IDS/IPS, load balancers, and other network/security appliances
- Ensure system security, implement policies, and respond proactively to threats and vulnerabilities
- Support and align infrastructure with Information Security policies and ISO standards compliance requirements
- Participate in or support security audits, risk assessments, and compliance initiatives
- Oversee user management, access control, and IT service support, ensuring a high-quality user experience
- Provide regular executive reports on infrastructure health, performance, and security posture
- Recommend and implement infrastructure improvements and modernization initiatives

Ensure adherence to IT governance, compliance, and best practice standards

📌 Information Technology Manager (Chennai)
🏢 Dun & Bradstreet Technologies and data services
📍 Chennai