SRE

• Mar 2019 - Present

DevOps / SRE

• Jan 2018 - Mar 2019

Main Tasks: - Automate Ops processes making the tasks and work less painful. - Design and Implement Openshift clusters as per customer needs and making them resilient and highly available. - Working with CM tools and SCM tools in order to make Infrastructure as a code possible and create a better and more efficient working environment for the whole DevOps team - Implement Logging and monitoring solutions by utilizing metric based alerts or per event alerting solutions. - Implement various infrastructures in Microsoft Azure cloud environment Main Competences and technologies involved on a daily basis: - Container Platforms: OpenShift, Kubernetes - Configuration Management/ Automation: Ansible, Terraform - Containers technologies: Docker, cri-o - Database: Percona, MongoDB - Build-chain: Jenkins - SCM: Git - Image/Binary Repository: Jfrog Artifactory - Logging & Monitoring: Prometheus, Grafana, EFK, Icinga - Storage Systems — CNS (GlusterFS) - Cloud Technologies: Azure Cloud, ARM-Templates - Scripting: Python, Shell - SSO – Keycloak - Authentication: Oauth2, SAML - Troubleshooting/ Distributed tracing/ Microservices: Dynatrace, Sysdig, Wireshark, Jaeger - Operations procedures: On-call/stand-by, ITIL - Documentation/ Ticketing tools: Jira, Emma, Confluence Show less

Core Support Supervisor

• May 2014 - Mar 2018

1. Managing Daily and weekly operational and troubleshooting activities for Core elements part of CS and PS domain such as GGSN, SGSN, MGW, MSS, HLR, STP, SSU. 2. Responsible for maintaining agreed levels of SLA for any Core network issue.3. Responsible for Reaching given Objectives related to Core network O&M activities.4. Managing Emergency Situations related to Core Network Issues.

Core Support Senior specialist

• Apr 2013 - May 2014

1. Monitor performance, capacity, and availability of the network on an ongoing basis. RecommendImprovements in technologies and practices to increase these metrics.2. Proactive Troubleshooting using SS7 traces and other monitoring tools to locate issue of any kind related to interconnection and Roaming scenarios.3. Support for complex technical activities such as SW upgrades and technical audits

Core Support Specialist

• Aug 2011 - Apr 2013

1. Routine health checkup of core network elements (MSS, MGW, HLR, SGSN, GGSN, HIS, SSU) and perform preventive maintenance of nodes;2. Monitor performance, capacity, and availability of the network on an ongoing basis. Recommend improvements in technologies and practices to increase these metrics. 3. Create regular reports (daily, Weekly, Monthly) about all network activities and Network Nodes based on utilization trends4. Proactive Troubleshooting using SS7 traces and other monitoring tools to locate issue of any kind related to interconnection and Roaming scenarios.4. Troubleshooting of all issues related to any call scenario for 2G Network. 5. International Roaming and Interconnection Testing 6. Handle subscriber issues7. Support for complex technical activities such a SW upgrades and technical audits8. Acceptance test for different systems in Core network9. HW troubleshooting and replacement in case of faulty Units.10. Message monitoring for advanced troubleshooting using HIT Tools in case of internal process and message handling problems.11. Minimize impact of different issues that occur in the System by providing a prompt Solution/Workaround Show less

BSC Support

• Jun 2010 - Aug 2011

1. Routine health checkup of radio network elements (BSS) and perform preventive maintenance of nodes2. Generate reports on Netact to improve and analyze better any issue on Radio network ( e.g interference, SDCCH/ TCH congestion, Channel seizures failure, handover issues)3. Perform different Work orders provided by planning team ( HO optimization, HR/FR, change GPRS prameters, Increase/decrease ABIS pool for EDGE, Site Re-configuration on BSC etc)4. Check configure External alarms for sites5. Commission/Reconfigure Sites using BTS manager6. TRX signaling monitoring, TCH monitoring7. Monitor performance, capacity, and availability of sites and BSC on daily basis. 8. HW troubleshooting in BSC9. Message monitoring of internal processes in BSC in case of advanced troubleshooting10. BSSAP (DTAP/BSSMAP) analysis in case of issues related to specific SS7 signaling related to radio network (paging, re-paging ) and capacity issues.11. Dimensioning and re configuring GBoIP (interface with SGSN)12. KPI and parameter troubleshooting (BTS and BSC level) Show less

IT and Telecommunication Specialist

• Apr 2009 - Jun 2010

1. Several IT and Telecommunication related projects within the companies and 3rd parties with whom we had cooperation 2. Providing counselling and expertise in IT related projects 1. Several IT and Telecommunication related projects within the companies and 3rd parties with whom we had cooperation 2. Providing counselling and expertise in IT related projects

Seminar lecturer

• Sep 2009 - May 2010

1. Lecturing seminars for subject “Electronic Measurements” for Military University Students. 2. Preparing Seminar and Lab materials in cooperation with lead Professor. 3. Preparing middle term and final exams for the subject. 1. Lecturing seminars for subject “Electronic Measurements” for Military University Students. 2. Preparing Seminar and Lab materials in cooperation with lead Professor. 3. Preparing middle term and final exams for the subject.

Biomedical Engineer

• Sep 2008 - Apr 2009

1. Technical support for all medical equipments on the Hospital. 1. Technical support for all medical equipments on the Hospital.