Assistant Manager - Captive Operations

Tata Communications Redefines Connectivity with Innovation and IntelligenceDriving the next level of intelligence powered by Cloud, Mobility, Internet of Things, Collaboration, Security, Media services and Network services, we at Tata Communications are envisaging a New World of Communications

Requirement: Engineering graduate or MCA

8 hours shift, 6 days a week.

• More than 8 years of IT experience, out of which at least 5 years in dealing with Cyber Security systems and operations

• Design and architect multi-site DR setups with high availability, Expertise in audits, vulnerability assessments, and security frameworks, Strong communication with stakeholders and OEMs.

• Familiar with Firewall ,Load Balancer, WAF, API Security, Switches (KVM and Network), Forward Proxy ,HCI Severs ,VPN Solution, PAM and ticketing and monitoring tools.

Certifications (Any one of the following) :

• Certified Information Systems Security Professional (CISSP)

• Certified Ethical Hacker (CEH) Master/Practical

• Certified Cloud Security Professional (CCSP)

• CCNP Routing & Switching/Security or equivalent

Primary Role & Responsibilities: Lead in-depth troubleshooting, configurations, and system tuning.

a) Responsibilities:

• SPOC for entire project spanning all sites.

• Handle escalated incidents from L2 and perform root cause analysis.

• Design and implement policy changes on NGFW, SSLO, WAF, etc., based on

  IOCL requirements.

• Perform complex configurations and issues in SLB,LLB, PAM policy, VPN

  tunnels, etc.

• Optimize systems for performance and security posture.

• Work with OEMs for bug fixes, feature requests, or patches.

• Assist in HCI server maintenance and virtualization-related tasks.

• Coordinate with IOCL’s Cyber Security and Network teams for policy

  alignment.

• Perform impact analysis for major changes, upgrades, or version migrations.

• Participate in DR drills, failover testing, and performance benchmarking.

• Engage in periodic audits, compliance checks, and security posture

  assessments. Drive quarterly service reviews and ensure SLAs are being met across L2/L3.

• Conduct knowledge-sharing sessions and train L2 teams.

• Manage L2 resources, shift operations, Knowledge up skills of the entire

  team.

• Maintain system documentation, change logs, and configuration backups.

• Implement SSL offloading policies with application-specific certificates.

• Validate failover configurations for DR setup, including HCI-level replication.

• Customize dashboards and alert rules on NMS or monitoring tools.

  Manage the security infrastructure at the Mumbai Data Centre on a 24/7 basis in three shifts per day and must do all the activities needed to maintain the SLA’s commitment to the customer.