Deployed DevSecOps pipeline.

- Deployed new MPLS backbone (Cisco). - Implemented information systems migration plans. Landed distributed information systems into network landscape. Migrated applications from public/private clouds (AWS, etc). - Implemented distributed VXLAN EVPN DC. Connected SDN fabrics (Tungsten-based). - Common objects for different security domains (FW). - Distributed remote access for 20k+ users. - Agentless identity awareness for user/role-based security policies. - Infrastructure laboratory (T-Rex/XENA). Implemented PoCs for network/virtualization/DC solutions, including microsegmentation (Guardicore Centra). - Dev Sec Ops pipeline. Integrated Dev Ops tools for developers (Nexus CI/CD, Team City CI/CD, BitBucket etc.) for 3k+ application, 400+ developer teams. Isolated DEV/TEST/PROM. - Restructed FWs (CheckPoint/Fortinet/Cisco), 500+ security zones. - Implemented automation/security tools (Tufin, SkyBox, Firemon, Arcsight etc.) - SLA monitoring tools (Elk/Grafana based).

Staged testbeds with laboratory traffic generators-analysers (Keysight (IXIA), Spirent). Sales solutions supported for Enterprise and ISP (Cisco, Juniper, Huawei). Complex projects in switching/routing/security/SDN, including: Rostelecom Siberia (distributed campus network modernization), X5 (WAN modernization), ATOL (DC Core and hyperconvergent infrastructure). PoC testbed for SDN-based (openflow) ISP MEN.

Implemented core network for fintech customer (Cisco CSR v1000).

As Pre-sale Engineer was responsible for sales support (telecommunications), technical solutions selection, high-level network design, specifications preparation, training and presentations. Main areas: switching, routing, information security, wireless and optical transport. Implemented WiMax trail for federal BWA operator (Proxim). Designed distributed secure corporate network for large enterprise (Cisco, VipNET). Tested Huawei core for fintech customers. Used Agilent (IXIA) N2X traffic generator/analyzer to measure convergence time within the selected core design. Developed DWDM testbed (Cisco) for government customer. Particapated in DWDM Synterra backbone audition/merging with Megafon core network. Implemented SON (Cisco, Intucell) for mobile phone operator. Tested "Radiogigabit" RRLs with Agilent (IXIA) N2X. Compiled technical requirements for next generation series of RRL development. Implemented PoC to optimize WAN traffic for a large bank with an extensive network of branches (Riverbed, Cisco) Implemented QoS WAN trail in corporate network of a large oil and gas company (Riverbed Cascade, Pilot, Shark, Profiler). Implemented WAN traffic optimization trail for a large insurance company (Riverbed Steelhead).

Deploying ISP services Building converged metro-networks for all L2 and L3 services, including strict QoS, as well as voice and signaling. Developed regional metro-networks. Extending metro-networks with MPLS includes products Cisco (76xx/ES-20, EVC services model) and Juniper (MX-series) as alternative to Nortel (MERS/MESU 18xx). Cisco Wi-Fi LightWeight/Mesh networks implementations. Worked to provide Mobile Core/Backhaul traffic (Iub) transfer via SAT (iDirect) with Memotec WAN accelerator. Proposed reliable backbone with automated failover capability based on Cisco MPLS Traffic Engineering Auto Tunnel/Auto Mesh features. Proposed QoS Policy based on Cisco Ip SLA monitoring. Participated in SLA measurement system integration (Omnitron). Various networking solutions tested, such as: - 7600 LAN cards Bandwidth Shaping/Management; - QoS for WiMax for VoIP and IPVPN (Alvarion, Infinet, Proxim...); - CES and TDMoIP (Telco, Axxera, Maipu, Raisecom...); - comprehensive network management, capacity planning and monitoring solutions (OPNET, Cisco ANA ...); - 10GE switches performance/features (Huawei, Cisco, Juniper, Telco...). Designed high-availability in Metro-Ethernet Networks, including H-VPLS и PW redundancy. Implemented end-to-end QoS for real-time voice and video traffic for value-added services. Trained networking staff in QoS. Supporting pre-sales and sales activities, customer meetings, workshops, PoCs and tenders submission. Supporting project manager activities, including metro-area Network (metro-Ethernet) deployment and optimization/decommissioning, legacy network services (ATM) migration. Interacting with TAC for some special service implementation, and supporting.

Developed VCS (Cisco, Polycom) and Collaboration pilots working hand-to-hand with a vendor support/development team. Proposed initial QoS policy to support IP VideoConferencing. Designed high-available secure enterprise LANs and Data Centers. Provided training and support for sales persons.

Deploying MPLS backbone (MEN) for Infoseti ISP with Cisco 7600 (LAN cards) and Catalyst 3750 ME. Developed overall network topology. Proposed Fast Convergence backbone design based on MPLS TE Fast Re-Route. Created documentation, configurations and instructions. Performed backbone testing.

ISP MAN network to MPLS backbone migration. Implementing optical core/backbone with an integrated IP/MPLS-based solution that is scalable, flexible, and operationally efficient, particularly based on MPLS Carrier Supporting Carrier/MPLS VPN. Cisco, Allied Telesyn, ZTE, Huawei etc. Multi-OS/vendor environment, including combination of development and Network/System administration. SNMP traps tuning, other integration with monitoring tools. Traffic aberrant behavior detection system developing. Interaction with other service providers. Supporting various implementations of complex and special configurations for key enterprise customers. Design, re-design, implementation and rollout of customer networks.

Deploying Succession Communication Server & MPLS backbone for Chelyabinsk branch of UralSviazInform OJSC with Nortel Networks Succession Communication Server 2000 and NN Passports. Supporting pre-sales activities, including customer and vendor meetings, technical presentations and workshops. Developing MPLS backbone topology, SC2k/BB hi-level design, management LAN and NOC layouts. Installation and commissioning SC2k components and NGN backbone. Performing integration and acceptance phases in collaboration with vendor staff. Support for small ISP services (Atlas-Internet, branch of STC RON-Telecom) Systems/Network/Applications Security Services, xDSL, Dial UP, Wireless and VPN Services. Traffic shaping and management, policy routing, Terminal Servers, Radius Servers, DNS Services, Proxy/Cache Engines, Database Servers, Linux, FreeBSD (UNIX), CISCO & NN Routers & Switches, scripts (Perl, Tcl, awk etc.).