Subrata Sarkar Email & Phone Number

Sydney, Australia

• My team is focused on building upon deployment and implementation capabilities across a broad range of security-focused technologies. Some of the key drivers are:
• Be responsible for deploying security changes across a broad range of Telstra’s networks and platforms including but not limited to firewall systems
• Build upon current capability and expand services for an increasing scope of deployment needs within Security Engineering
• Manage the overall team planning, supervise team members, governance of activities within to ensure that team resources are used effectively and projects are implemented in accordance with project plans and budgets
• Drive end to end digital certificate management process for devices in scope of security engineering
• Drive the problem management function for teams in security engineering to continuously reduce incidents, improve end to end cycle time and deliver an improved customer experience.

Sydney, Australia

• Responsibilities include driving escalated incident and problem management to achieve platform stability, measuring end-to-end customer experience, driving opportunities for automation to optimize and reduce incident.
• Run internal forum to drive resolution for escalated incidents and problem management function for internal and external cloud customers
• Run weekly forum with service desk to understand why customers are calling and find ways to reduce incident volume and repeat calls
• Lead and conduct preparatory work for ISO9001:2015 audit of problem management
• Perform advanced analytics using Splunk and Tableau and generate insights for senior management stakeholders
• Coordinate and run Business Continuity Plan (BCP) test activities for internal and external cloud teams

Centurion, South Africa

• Single point of escalation for customer on incidents, problems and any managed services delivery issue
• Take ownership for coordination amongst management stakeholders and execute effective status communication during critical incident situations or service outages
• Drive post incident reviews (PIR), prepare and share formal reports with senior management stakeholders on major incidents
• Prepare and present monthly and quarterly service performance reviews (SPR) to customer and negotiate penalties if applicable
• Review and drive CSI initiatives around the core operation and transition processes - incident, problem, change, release and SLM
• Contribute in CAB as a key stakeholder to ensure accurate prioritization and sufficient impact assessment is performed before a change is approved

Centurion, South Africa

• Manage Front Office (FOH), Back Office (BOH) and the OSS team with main focus over achieving, sustaining and further improving the agreed contractual KPI for managed service customer
• Restructure the Front Office (FOH) and ensure required processes and job description for the roles are in place and communicated to all
• Own and drive improvement in MTTR KPIs ensuring the expected level of service availability and maintainability is delivered
• Review and take actions on all the network changes under change control guidelines and interact with CAB/ECAB as the key stakeholder
• Take full responsibility for the network performance, build improvement plans (SIP) and drive actions across teams
• Perform resource planning for the NOC, assist project director & regional office in budgeting and drive cost optimization within the organization

Centurion, South Africa

• Manage performance in incident/fault handling and drive SLA assurance amongst all relevant parties to deliver an improved customer experience
• Periodical service performance review with customer as an assessment against contractual deliverables
• Build unified change management process and ensure all changes are executed according to the process
• Analyse the work load in 24x7 surveillance and level1 service desk area to drive service improvement at the frontline
• Build and document emergency service restoration and support process to ensure operational compliance to business continuity plan (BCP) requirement
• Lead monthly and quarterly service quality inspections of all core application services and drive resolution of identified issues proactively

Bangladesh

• Lead and coordinate the O&M activities of VAS and data service elements
• Lead the daily report and health check automation project
• Assist the sales and development team on functional requirement specification for new services
• Document and implement the operational level agreement (OLA) between internal parties to ensure a better end user experience within the scope of SLA.
• Vendor management as per annual maintenance contract in a multi-vendor environment
• Regular and periodical health check of servers, interconnecting nodes and applications

Dhaka, Bangladesh

• Lead the IN&VAS team dedicated for managed services operations
• Manage resources, prepare job description (JD) and actively participate in recruitment process with HR
• Ensure all incidents and problems are logged, handled and resolved as per agreed SLA and service KPIs are met
• Conduct Post Incident Reviews (PIR) and generate the formal report for senior management and customers
• Lead activities in the CAB and ECAB as the technical SME to ensure that all changes are recorded, reviewed, roll back plans are tested to deploy changes with no or minimal impact to business
• Assist sales team in identifying new business opportunities and contribute in writing business case

Chittagong, Bangladesh

• Planning and configuration of SS7 and R2 Digital signaling and V5.2 interfaces
• Analyze traffic pattern and execute link/device load balance
• Daily maintenance and troubleshooting of core network NEs
• Daily report analysis and trouble ticket handling
• Coordination among related departments and multiple vendors
• Configuration management to meet new business requirement

Dhaka, Bangladesh

1. Maintenance of Satelite communication equipments2. Develop the computer network for office premises3. Find optimization scopes for performance enhancement

Cert Iv In Training And Assessment, Training And Assessment

Successful completion of this course qualifies the learner to provide training in the vocational training sector and equip with the skills.

Diploma In Information Technology, Project Management, Sdlc, Virtualisation, System Adminitration

A 12 months diploma that addresses the following areas of Information technology: 1. Hands on project management 2. SDLC 3. System.

B.Sc. Engineering, Computer Science & Engineering

Four years Bachelor degree.