Nikola Smiljanic

- Providing know-how and professional services to clients in the realm of routing, switching and network security - Designing and testing robust, secure and highly available environments contributing to client business processes and continuity - Communicating design ideas, clearly and concisely presenting solutions and options to clients - Implementing and integrating WAN optimization virtual appliances such as Riverbed - Recommending hardware and software upgrades in line with business objectives

• Level 3 support for networking and security solutions, both on-prem and cloud based (AWS and Azure) • Design and SME oversight for new projects and deployments, client intake • Creating and overseeing complex network changes, overhauls • Training and enablement for junior engineers in the realm of networking and security

- Planning and managing changes in a complex network environment requiring coordination between various departments teams and organizational units - Designing new, application-centric solutions for a secure, robust and highly available environment, capable of accelerated and scalable delivery of customer services - Laying out tasks and processes for network engineers to complete

- Managed 24x7 NOC and escalated support teams to continuous, timely and uninterrupted service to clients - Ensuring SLAs and performance metrics are achieved, as well as quality assurance for end-user deliverables - Defining policies and procedures governing workflow, client onboarding and business-as-usual processes - Network projects and advanced support, troubleshooting for network and security related issues - Preparing clients for SOC and PCI DSS compliance audits

- Executing routing and switching changes at branch locations to accommodate infrastructure growth and new features - Configuring new DHCP subnets, updating IP control and asset management - Implementing and test new access points, SSIDs, guest WiFi content filtering - Design and engineering consulting regarding feature integration and improvement

- Providing expertise for a customer-oriented DOCSIS 3.0 platform - Responsible for determining customer impact of device and element activation and augmentation activities - Preparing new infrastructure for deployment – 6G SPA for 1 Gbps cable service - Performing network changes to elements including Cisco uBR 10k, UBR-MC520 and UBR-3g60 line cards

- Tier 3 support for security and network related issues for a large service provider - Designing and deploying new campus edge and core as well as defining and implementing a BGP policy, resulting in increased performance and positive customer impact - Planning and optimizing a tailored PoP solution to meet specific end-user needs and integrate with existing services - Plan strategy and supervise migration of customers, services to new infrastructure resulting in business growth and service diversity

- Technical support to customers revolving around a Cisco enterprise infrastructure, 28xx/29xx series routers, Catalyst 29xx, 35xx and 4500 series switches - Troubleshooting and diagnosing problems related to wireline access networks centered around uBR10k and 7200 platform - Configuring and solving issues with cable modems and Cisco CNR - Deployment of access network equipment – UBR-3g60 line cards, RF gateway - Wireless network design and implementation using a Meraki cloud based solution

Cisco Network Academy Program, IP networking, software development

Networking, application development, research and development