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Information Technology Manager

Dun & Bradstreet Technologies & Data Services
Posted on
Dun & Bradstreet Technologies & Data Services logo

Experience
10 - 15 yrs
Job Location
Chennai, India
Vacancy
1
Designation
IT Manager
Job Type
Not specified

Job Description

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
  • Strong 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



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