Harri Havanka Email & Phone Number

Tampere, Fi

Tampere, Pirkanmaa, Finland

I am managing global team of database administrators and specialists being responsible of all SQL/NoSQL products at Qvantel while still doing operational work as an DBA part-time when I have time.We are serving all programs and deliveries from deployments and updates to migrations and troubleshooting. We have arranged 24/7 oncall support in place for products we are responsible. Those include MariaDB/Galera/MaxScale, Apache Cassandra and Datastax Enterprise, Postgres, Progress, Kafka… Show more I am managing global team of database administrators and specialists being responsible of all SQL/NoSQL products at Qvantel while still doing operational work as an DBA part-time when I have time.We are serving all programs and deliveries from deployments and updates to migrations and troubleshooting. We have arranged 24/7 oncall support in place for products we are responsible. Those include MariaDB/Galera/MaxScale, Apache Cassandra and Datastax Enterprise, Postgres, Progress, Kafka, Redis and MongoDB. Show less

Tampere Area, Finland

Worked as an NoSQL DBA doing operational work and troubleshooting while maintaining and updating computing platform NoSQL components as required and writing backup and various other tools using shell scripting and Python.

Tampere Area, Finland

I was building micro services based computing platform. In practise creating infrastructure as code by creating installable components consisting of Docker files and shell scripts for Docker containers plus Ansible playbooks with Jinja templating for installing them. Learnt many products while creating those: started with Marathon/Mesos, Consul, Logstash, Grafana, Graphite and Prometheus with various exporters and after that focusing into NoSQL databases Cassandra, Kafka and Redis.

Training lab installation and administration, acting as technical subject matter expert and assessing technical training needs for products. Conducting user task analysis, creating web/instructor-led training and creating and supporting MOOC training. Delivering technical competence training to instructors, continually improving course materials.

Training system administration, troubleshooting, and configuration/fault/performance management for all radio technologies and core networks. Delivering on-the-job trainings utilizing live networks and consulting customers to develop new processes to solve their problems. Certification of other trainers and subcontractors.Subject Matter Expert for NetAct network management system. Designing and creating learning solutions, course material, e-learnings, virtual classes, recording… Show more Training system administration, troubleshooting, and configuration/fault/performance management for all radio technologies and core networks. Delivering on-the-job trainings utilizing live networks and consulting customers to develop new processes to solve their problems. Certification of other trainers and subcontractors.Subject Matter Expert for NetAct network management system. Designing and creating learning solutions, course material, e-learnings, virtual classes, recording instructional videos and creating assessment tests. Show less

Evaluating partner candidates Network Function Virtualization orchestrator software maturity and building, installation and administration of environments for them (RHEL + OpenStack).Installation, integration and testing tasks in a datacenter project delivering first ever co-located software delivery of Nokia’s network management products to customer’s live network.

Development of new services and solving customer problem cases. Teaching troubleshooting, administration, network management and optimization for technical support engineers. Presenting customer demos to support sales people.

Programming with Perl, C++ and Java. Subsystem owner implementing configuration management interface between network management system and 3G Radio Network Controller (C++ and CORBA). Creating design documents and technical specifications, writingXML readers and writers for configuration planning data (with Java).