Sava Dimitrijevic Email and Phone Number

Servers, VMs, and workstations Administration• Install, configure, and maintain servers and server operating systems using VMware• Manage and monitor server resources, including CPU, memory, disk space, and network bandwidth• Monitoring and managing VDI workstations through the VMware Horizon connection serverO365 and User Administration• Create, manage, and deactivate user accounts• Assign and manage licenses• Manage user mailboxes, including creating shared mailboxes, configuring mailbox permissions, and setting up email forwarding• Configure and manage user access levels and permissions• Offboarding and onboarding procedures through O365Troubleshooting and Support• Provide technical support to users for hardware, software, and network issues• Providing technical support to end users for VDI workstations (O365 issues, issues with 3rd party applications, recreating writable volumes)• Create and manage user accounts and permissions through AD• Troubleshooting Windows-based issuesSecurity and Patch Management• Monitor systems for security breaches and threats and respond to incidents• Regularly update and patch systems to protect against vulnerabilities• Troubleshooting and fixing problems with patchesSystem Maintenance and Monitoring• Monitoring of SANs, backups, and hosts (IBM, Veeam, VMware)• Monitoring of servers, VMs, and workstations (Site 24x7, Datto RMM, VMware)• Monitoring and reacting to security threats (RocketSOC, EDR, Webroot, Vade, Vipre)Documentation, Communication, and Reporting• Maintain accurate documentation of system configurations, changes, and procedures• Generate reports on system performance, maintenance activities, and security incidents.• Communicate SLA terms, service performance, and incident resolutions to clients in a clear and timely manner.• Provide regular updates to clients regarding service status, maintenance schedules, and any potential service disruptions.• Prepare and deliver reports to clients

- Provide technical support for Restaurant Brands International (RBI), including Burger King, Popeyes, and Tim Hortons locations across the US, assisting with a range of hardware and software issues to ensure uninterrupted restaurant operations. - Act as a Service Desk Specialist for 1st-level support, responding to incoming service requests, diagnosing issues, and providing timely resolutions to software and hardware problems.- Work closely with NCR field technicians to troubleshoot and resolve technical issues, facilitating efficient on-site support for complex problems.- Collaborate directly with RBI’s Level 3 technical team, escalating cases when necessary and ensuring swift follow-up and resolution for escalated or high-priority issues.- Gain experience working with Linux-based servers, conducting basic troubleshooting, data gathering, and log analysis to identify root causes of issues and support system stability. Use basic ICMP-based tools to check connectivity and network performance, aiding in diagnosis of connectivity issues.- Troubleshoot issues related to back-of-house PCs, specifically those used for generating sales reports and other critical data. Identify and resolve hardware or software issues affecting productivity, ensuring restaurant managers and staff have the tools needed to operate efficiently.- Coordinate with third-party vendors to resolve specialized issues, ensuring the right resources are engaged and solutions are implemented quickly for minimal disruption.- Utilize tools such as JIRA for tracking support tickets and case progression, enabling efficient management and prioritization of tasks. Leverage Neos (Snow) for asset and configuration management, ensuring accurate tracking of hardware and software across locations, and use Cisco Meraki for network monitoring and troubleshooting.

As a Security Officer at Hilton, I monitored hotel premises to ensure guest safety and asset protection, maintained incident reports, and collaborated with team members and guests to address security concerns. This role honed my interpersonal skills, attention to detail, and ability to remain calm under pressure.

As a Courier with Glovo, I ensured timely and efficient delivery of orders across Belgrade, consistently meeting deadlines while navigating city routes. This role strengthened my interpersonal skills through daily interactions with customers, building my problem-solving abilities and adaptability in a fast-paced environment.

Working as Transportation Security Officer on the airport Nicola Tesla, under different contract and company.

As a Security Officer with Group Security and Loss Prevention, I ensured the protection of personnel, property, and assets. I conducted routine security patrols, monitored surveillance systems, and enforced security protocols. My strong interpersonal skills helped maintain a safe, secure, and professional environment.

- Perform comprehensive security screenings of passengers, baggage, and cargo using advanced technology, including x-ray machines, body scanners, and explosive detection systems. - Ensure adherence to federal, state, and local security protocols and regulations. - Identify potential security threats and risks, implementing preventive measures to mitigate danger. - Collaborate with team members, law enforcement, and other transportation personnel to address security challenges. - Stay updated on the latest security procedures, technologies, and threat detection techniques through ongoing training. - Demonstrate exceptional attention to detail, accuracy, and problem-solving abilities in high-pressure situations. - Provide excellent customer service while maintaining professionalism and ensuring a positive travel experience. - Remain calm and composed while making quick, informed decisions in response to security incidents. - Contribute to maintaining a secure environment for passengers, crew members, and transportation systems. - Uphold a strong commitment to teamwork, integrity, and accountability in all security operations. - Support emergency response procedures and assist in resolving security threats or incidents swiftly and effectively.