Manas Das

• Analyze threats by taking the events from Firewalls, Endpoints, Servers, IDS/IPS, EDR, WAF etc. and identify a false positive.

• Investigating incidents, remediation, tracking and follow-up for incident closure with concerned teams and stakeholders.

• Interact with application, Security Owners/Stakeholders, L2 & L3 Level infrastructure teams for remediation of security alerts.

• Build, deploy and manage security tools and services to address information security risks in networks, endpoints and servers and increase the company's security posture

• Configure & manage Crowdstrike, Sentinel One policies including malware prevention, antimalware, USB device control, prevention policies

• Participate in POC & evaluation of SOAR solutions. Maintain up to date documentation of design and configurations in Confluence

• Monitor and triage security alerts detected from SOAR or through Advanced Threat Detection systems like Crowdstrike, Splunk, Proofpoint, Darktrace, Imperva etc.

• Ensuring incident identification, assessment, mitigation and reporting

• Develop content for SIEM by writing correlation rules, dashboards, reports & fine tuning rules.

• Actively involved in in threat hunting activities from building hypothesis to finding evidence and enhancing security controls & detection logic

• Patching and upgrading of these security devices for the UK region.

• Perform penetration testing using Metasploit to identify vulnerabilities and provide remediation.

• Implemented security policies and procedures to ensure compliance with industry standard such as HIPAA and PCI-DSS.

• Worked on Networking devices like Firewalls (checkpoint, ASA) Load balancers (F5), routing, Switching, ACI, APIC

• Worked as Associate SME at TataAIG, Mumbai

• Managing and taking care of whole network of TAGIC and its branches across the country.

• Provide L2 and L3 level support for customer and handle all high-level escalations.

• Responsible for network connectivity in branches and in corporate office

• Design, plan and implement of new projects for customer till go live.

• Manage FWSM (Load Balancer, ASA, L3/L2 Switch)

• Implement and manage Websense URL filtering-(ForcePoint)

• Manage WLAN 2504 module and Access points across the branches.

• Provide Wifi access to users as per the SSID and make sure MAC authentication enabled for all

• Checkpoint Firewall R77 – Internet facing firewall; Manage and monitor

• NATing, routing, whitelisting vendors and manage checkpoint firewall.

• Configure with the help of vendor and manage F5 LTM Load balancer.

• Creation of Virtual servers, Pools and SSL offloading on F5 device.

• iRule management and http forwarding on F5 device

• Sonicwall Firewall – manage and work on Service Requests and Incidents

• Bluecoat Proxy – manage and work on URL filtering (Migrated to Force point)

• Update signatures as and when new update comes on IBM IPS

• Taking care and managing MPLS links, P2P links across offices. CISSP CEH CC Azure Generative AI Cloud Computing

• Ensure connectivity in DC and DR located in Mumbai and Hyderabad.

• Take weekly configuration back up of all the networking devices

• Manage RSA Envision integrated device, pull reports and analyze

• Design and modify Network diagram as and when we have any changes in the network

• Work on daily tickets on day-to-day issues in the environment of client

• Configure Routers and Switches of new branches that

I was part of the transition team, understand the client network Architecture, setup, configuration and day to day administration and management activities, Document the technical and the process related activities

• Maintaining internal network & connectivity within the organization

• Configuring and manage Checkpoint R76 Firewall, ASA, Cisco Routers (2811,3945), Switches (2960,3750), F5 LTM Load balancer, Layer 2/3 routers and switches.

• Configuring and manage L2/L3 Router and switches, Firewall, monitoring of networking devices

Used to support any issues related to laptop, internet connectivity and backing things up and anything users face in the small branc