Based in Belgrade · Open to EMEA travel & on-site engagements
Jovan Saković
Infrastructure, Network Security & Field Application Engineer
Professional Summary
Customer-facing infrastructure engineer with 16 years across enterprise networking, security, datacenter field support and GPU-accelerated systems. Currently on the Network Security team at NCR Corporation, supporting enterprise infrastructure and incident response with international teams. Previously delivered on-site server, network and hardware bring-up and replacement across enterprise client environments, supporting organisations such as BlackRock, Johnson & Johnson, Verizon, AT&T and HP.
Hands-on with GPU hardware since the early GPU-compute era: designed, built and tuned multi-GPU systems for compute-heavy workloads and configured Linux machines for ML/DL training. As CEO of Nodus ICT Solutions, I own the full technical relationship with clients, from requirements and architecture to deployment, troubleshooting and escalation. Certified ISO 27001 / ISO 20000 Lead Auditor, used to structured qualification, documentation and process discipline.
Core Competencies
Customer-facing technical delivery
16 years in field support, L1/L2 help desk, team lead and client-owner roles; enterprise clients across US and EU.
Hardware bring-up & debug
Server, network and end-user hardware install, replacement and board-level troubleshooting; multi-GPU system builds, power and thermal tuning.
GPU / accelerated computing
Multi-GPU rigs for compute workloads; Linux workstations configured for ML/DL (drivers, CUDA toolchain); AI agent and automation development.
Networking & security
Enterprise network security operations, monitoring and incident response; network design and administration.
Linux & systems
System and server administration, driver stacks, firmware updates, OS deployment; Kubernetes / OpenShift and container-based workloads.
Issue triage & escalation
Reproduce, document and drive customer issues to resolution; coordinate between clients, vendors and internal teams.
Quality & compliance
ISO 27001 / ISO 20000 Lead Auditor; defined IT QA procedures, audits and staff training.
Cross-team coordination
Daily work with international teams across time zones; bridging customers, vendors and engineering owners.
Familiar with (conceptual knowledge, ramping up hands-on): InfiniBand, RDMA, SR-IOV, NVIDIA ConnectX NICs and BlueField DPUs, DOCA, telco / 5G and AI-RAN concepts.
Professional Experience
Network Security Specialist
FEB 2025 – PRESENTNCR Corporation
- Monitor, maintain and harden enterprise network infrastructure as part of the global Network Security team
- Triage and resolve security and network incidents; document root cause and drive fixes with engineering owners
- Coordinate daily with international teams across time zones on changes, escalations and incident response
IT Field Support Engineer (Contract)
SEP 2022 – JAN 2025CentricsIT
- Installed, maintained and troubleshot datacenter and branch infrastructure: servers, networking equipment and end-user devices
- Performed on-site hardware replacements, upgrades and bring-up across multiple enterprise client environments
- Acted as the technical face to the customer on site: diagnosed faults, communicated workarounds and timelines, and escalated to vendor engineering when needed
- Completed AWS Frontier foundation, install and maintenance certification (Feb 2023)
Chief Executive Officer
JAN 2020 – PRESENTNodus ICT Solutions
- Own end-to-end technical engagements with clients: requirements, system architecture, deployment and post-sale support
- Design and build GPU-accelerated systems for compute, ML/DL and professional workloads, including component selection, power and thermal design
- Develop AI agents and automation tools that streamline client processes
IT Quality Assurance Manager
JAN 2014 – MAY 2016Meteor Business Center
- Established IT quality procedures and standards; led internal and external ISO 27001 and ISO 20000 audits
- Monitored ICT infrastructure performance and trained staff on procedures
System Administrator – Help Desk Support
FEB 2013 – AUG 2013Code Computer Engineering
- Delivered L1/L2 hardware and software support and implemented network solutions for business clients
Manager – Team Leader
JUN 2010 – NOV 2012Tritel LTD
- Led the service team and managed client relationships for IT equipment service delivery
- Resolved complex hardware and software faults across a wide range of IT devices
Front End Developer (Freelance)
MAY 2016 – PRESENTDigital Nomad
- Design and develop responsive web applications with a focus on usability and accessibility
Technical Skills
Education
Information Technologies and Software Development
Faculty of Project and Innovation Management
2017 – Present
Web Design, Multimedia Design
IT Academy
2009 – 2010
Mechanical Technician
Technical School Nikola Tesla
2005 – 2008
Languages
Serbian (native) · English (professional working proficiency)
Certifications
- AWS Frontier: Foundation, SAV, Install and Maintenance · Feb 2023
- ISO/IEC 27001 Lead Auditor (internal & external) · Feb 2016
- ISO/IEC 20000 Lead Auditor (internal & external) · Feb 2016
- Uniflow v5.2 Consultant · May 2014
Notable Clients Supported
BlackRock, Johnson & Johnson, SC Johnson, Metso, Adidas, Verizon, HP, AT&T.
Interests
Custom PC building & hardware modding · 3D printing · Free climbing · Mountain biking