- Automation of the QA process for the network router appliance project.- Developing appliance tests using Python (framework based on pytest library).- Close cooperation with Manual QA Team to troubleshoot appliance behavior andsubmit bug reports for Dev Team if needed.- Developing and maintaining of GitLab CI/CD pipelines for AQA purposes (automatedrun of smoke tests and full regression tests pipelines).- Using Ansible to automate operations with GitLab runners VMs (install, uninstall,update, register, unregister, etc.).

- The Product is Controller managed Multi Cloud Networking solution.- Handling of Technical Support tickets queue.- Product configuration / integration / migration / upgrade assistance.- Reproducing of customers topology using Terraform / REST API calls.- Solving issues related to Product’s Terraform provider.- Reproducing customers issues in lab and documenting all required steps toreproduce.- Filing bug reports / feature requests / escalation for Dev / Eng Teams.- Solving customer specific automation tasks using REST API / Bash / Python.- Testing Product’s new features and providing TOI within the Support Team.

- Dealing mostly with Cisco ACI technology.- Creating BoM (bill of materials).- Developing HLD and LLD of a solution.- Pilot projects for customers, demonstrations and presentations of the Cisco ACI andits benefits for business.- Defining tasks and detailed migration / integration steps with customers, hardwareinstallation and configuration.

- Taking part in ongoing migration project: replacement of data center switches Nexus7K (core) and Nexus 5K (distribution) to Nexus 9300 in 2 geo-distributed datacenters.- Along with hardware replacement, OTV had to be migrated to VXLAN EVPN fabric.- One of the main requirements to the migration process was a minimal downtime toensure business continuity.- HLD / LLD for the migration process had been approved and accepted by thecustomer (Ukrainian fin tech company).

- Work on a large and distributed network infrastructure for an American leadingcompany in networking, cloud and cybersecurity solutions that has more than 20data centers around the globe.- Configuring, supporting and maintaining large infrastructure including circuits, CiscoASR 9K routers, Nexus switches, A10 load-balancers and ASA firewalls.- Analyzing packet captures and protocols debugging information to resolveapplications response time issues.- Supporting customer’s internal application groups by identifying and presenting theirnetwork-impacting requirements to the rest of the network engineering team.- Resolving technical network operational issues and other network connectivityissues, which have been escalated to the network team.- Working with NOC team to support an on-call rotation of the network infrastructuresupport.- Automation of operational tasks with Ansible playbooks and Python scripts (2 bigprojects along with lots of smaller ones).

- Maintaining of large and messy multi-vendor network environment in enterprisesector (Cisco / HPE / Juniper / Nortel / Avaya / CheckPoint / Fortinet).- Investigating and troubleshooting network issues like slowness, resources / networksegments unavailability, routing and switching loops.- Change requests implementation.- Response to monitoring alerts.- Communication with ISPs NOC.- Close cooperation with L3 operation / support experts.

- Participating in delivery process of physical and virtual Linux based servers.- Performing RHEL installation / troubleshooting procedures in multi tenantenvironment.- Developing / testing / maintaining automation scripts for OS unattended installationwith Red Hat Satellite Server.- Maintaining OS kick start profiles and licenses in Red Hat Satellite Server.- Keeping up to date documentation of the delivery and installation procedures.

- LAN / WAN / VoIP areas administration.- Maintaining existing and designing new network areas in HQ / branches.- VMware / SAN / NAS administration and migration from physical servers to the virtualenvironment.- Ubuntu Linux based servers administration.- Communication with Internet / Cloud Service Providers.- Leading the team of system administrators.- Using Ansible / Python / NetBox IRM to automate network operations.