SUMMARY

• 5 years of experience in designing, deployment and maintenance of IT infrastructure and Automation.
• Linux/Unix/Windows system administrator expert on solution design, deployment, troubleshooting, analysis, patching, user management and excellence in operation using multiple DevOps tools like: Ansible, Terraform, Nagios, Monit and Scripting Using: Bash, Powershell, Yaml and HCL.
• Certified AWS Solution Architect with hands on 3+ years’ experience in designing and configuring scalable, elastic, scalable and fault tolerant cloud infrastructure on AWS Platform.
• 2+ years of experience of design, deployment, configuration, maintenance and support of enterprise VMware cluster (ESXi servers, vSphere, vCenter) and FusionSphere OpenStack (NFV,VNF,MANO,KVM) on - premises cloud and ensured service quality deploying DRS, HA, FT, ELB and vMotion.
• Architect and deploy solutions using components of Amazon Web Services for application migration to AWS Cloud using AWS and Open source CI/CD pipelines like Git,SVN, Maven, Selenium and Jenkins.
• Certified Scrum Professional involved in leading large, complex, enterprise-level projects.
• Competent in Incident management, Problem management and Change management based on ITIL.
• Education: BSc in EEE: BUET, IT Infrastructure Bridging Programme (Part time): Humber college.

TECHNICAL SKILLS

• System Administration, Capacity management, Load balancing and Disaster recovery of Linux, UNIX and Windows based VM, On-premises Cloud and AWS cloud infrastructure.
• HCL, YAML, BASH shell scripting to automate routine activities, Backup, Recovery & Patching (Security/Bug fixing/new feature) efficiently and effectively in multiple VMs of Data Centre.
• JAVA development tool kit JDK and editor tool eclipse.
• Terraform, Cloud Formation, Elastic Beanstalk.
• Maven & Selenium, CI/CD tool Jenkins & Ansible, continuous monitoring tool Nagios, Monitd/L and containerization with Docker.
• AWSCloud, Openstack(KVM) On-premises Cloud, VMware ESXi 6.0 & DevOps principle.
• AWS Cloud component i.e S3, EC2, VPC, Routes53, RDS, Dynamo DB, Lambda, IAM and ELB.
• Compute, Storage and Networking to provide IaaS, PaaS, SaaS service.
• IPsec, NAT/PAT, RADIUS, LDAP, DMZ, Patching, Firewall policy design.
• DHCP, HTTP, FTP, Telnet, SSH, TCP/IP, UDP, SMTP, NBI: SNMP, CORBA, and File sharing: nfs, samba, iSCSI and web service stacks LAMP/LEMP and Jboss/Tomcat.
• Agile Scrum, DevOps, and ITIL standard and best in customer service.
• Application migration, Ensure High Availability, Fault Tolerance and Stability of services and Hardening of System. Strong analytical, problem solving and decision making skills.

PROFESSIONAL EXPERIENCE

Technical Lead: System Admin, Cloud & DevOps

Confidential

Responsibilities:

• Maintain Red Hat Linux, SUSE Linux, Solaris and Windows based multi-vendor EMS/NMS (Ericsson: OSS RC/ENIQ, Confidential: U2000-ATAE/NFV, Nokia: NetAct, NMS).
• Performed O&M, administration, user management, backup, scripting, monitoring, trouble-shooting, patching and auditing security policy of On-premises/hybrid/AWS cloud IT infrastructure.
• Deployed and Maintained EMS APP and On-premises Cloud Infra built in 1) Elastic Computing E9000 enterprise server, OceanStar5500 Block Storages and Network resources 2) FusionSpehere KVM Hyper-Visor and 3) MANO for Management and orchestration in Cloud Solution Project by Confidential .
• Deployed and Maintained NMS App and VM of 1) IBM X3650M5 Servers 2) VMware ESXi 6.0 3) SAN Storage and Brocade-300 switches and ensured HA and FT clustering server in OSS project by Nokia.
• 200+ VMs patching, configuration & monitoring using DevOps tool-Jenkins,Ansible,Terraform,Nagios.
• Planned, Managed and executed the Migration of On-Premises IT Infrastructure to AWS Environment and saved around 40% cost on infrastructure investment.
• Ensured Scalable, Elastic, Fault Tolerant, self-healing and Resilient IT Infrastructure for Customers with 99.99% availability and 99.999999% Durability applying various Disaster Recovery Methods.
• Acted as a Scrum Master and used DevOps tools for coding, build, testing and deployment of “Advance Correlation” feature in NMS Application and reduced 60% Fault TT.

NOC lead

Confidential

Responsibilities:

• Focus on automation and developed more than 20 Tools for operational efficiency.
• Deployed 100% Automation of TT through REMEDY, 100% Node Integrated-Monitoring through SEM, 100% Automation of Business Intelligent Reporting through BIRT.
• Deployed LED Monitoring screen in NOC premises as a PM for E2E network monitoring and improved MTTR SLA 10% and awarded Guiding Principle Champion “Customer @the center”.
• Led lesson learning of Incident and preventive action taken after root cause analysis to avoid recurring

RAN Specialist

Confidential

Responsibilities:

• Provided remote support and on-site support for both domestic and international customers.
• Predictive and Preventive analysis of Network performance data and action taken to avoid incident.
• Supported Project Team and Customer for Hardware modernization, new feature activation & testing, capacity expansion and integration with OSS server for centralized network and service management.
• Provided Technical support to deploy Mobile Data service and awarded Best Engineer.