Dmitry S.

Network Operations Center Engineer @ AdTech Holding

About

7+ years telecom and cloud support. Keeping alive and fix production at night, code Lisp and plain C for fun. Linux, OpenBSD, Ceph, QEMU/KVM, Juniper, Ansible. Lifetime motto: automate everything that happens twice or more. English B1–B2 (reading/writing fine, speaking not so fast), Russian native. Remote worldwide or EU relocation.

Country

City

Serbia

Industry

Information Technology & Services

Skill

Computer Network Operations, Linux, Software Troubleshooting, Ceph, Gitlab, OpenBSD, FreeBSD, Juniper Switches, Proxmox, Continuous Integration and Continuous Delivery (CI/CD), Red Hat Enterprise Linux (RHEL), Resolving Issues, Shell Scripting, Unix Administration, Network Administration, Kernel-based Virtual Machine (KVM), Grafana, Ansible, Zabbix, Data Center Operations

Experience

Network Operations Center Engineer

AdTech Holding

2025-1 - Present · 1 yr 9 mos

Belgrade, Serbia

Scheduled maintenance of infrastructure (hw and sw in remote DCs). Monitoring, troubleshooting, address issues to responsible teams. Document operational procedures.

Site Reliability Engineer

Virtuozzo

2024-4 - 2025-1 · 10 mos

Belgrade, Serbia

Manage and maintain hardware and software components in remote datacenters. Monitor system performance, address issues, and secure our Linux-based infrastructure to ensure peak efficiency. System performance tuning and load testing to improve scalability. Automate routine tasks to enhance operational efficiency. Document data center infrastructure and operational procedures.

Technical Support Engineer, L2/L3

Virtuozzo

2021-6 - 2024-1 · 2 yrs 8 mos

Belgrade, Serbia

Coordination, evaluation, sorting out and solving reported customer problems. Analysis and evaluations of techical performance and reliability of products, systems and services. Maintenance of knowledge base on company’s products and troubleshooting procedures. Technical stack: - Containerization stack: OpenVZ, Docker; - Virtualization stack: QEMU/KVM/libvirt; - Openstack (nova, cinder, neutron, octavia, glance, placement, magnum, heat, kolla-ansible) - Virtuozzo Storage (object, block, and file software defined storage). More details on the products: docs.virtuozzo.com

Lead Maintenance Engineer

Sberbank

2020-12 - 2021-4 · 5 mos

Novosibirsk, Russia

Maintenance and support of Loyalty™ system.

Site Reliability Engineer

Amdocs

2018-6 - 2020-12 · 2 yrs 7 mos

Novosibirsk, Russia

Maintenance at PJSC Vimpelcom's DC; Incidents solving, collaboration with 3rd line support if needed; Updating the platform's configuration following by internal requests for change; Work on the site's infrastructure side (planned works, repair works); Planned works on software side.

Technical Support Engineer, L2

Novosibirsk State University (NSU)

2015-2 - 2017-12 · 2 yrs 11 mos

Novosibirsk Region, Russian Federation

Maintenance LDAP and Google suite for education; Work within an IT service desk; Identification problems and errors; Review incident tickets and respond to end-users appropriately and within established SLA standards; Remotely supporting end-users using available remote desktop software; Proactive supporting all clients in order to prevent reoccurring errors; Installation and setting up projectors and video cameras in classrooms; Filling a knowledge base.