Rudi du ToitSolutions architect · systems & data platform engineer.

Software & Systems Engineer (Consultant)

Pixel Nation L.L.C-FZ

Back-end and systems layer for the KSA SpaceSphere Project, a large-scale space-themed visitor experience in Riyadh.

• Own the back end for the SSA registration portal and kiosks, the Cadet Passport platform and its visitor-profile data model.
• RFID/NFC and third-party API integration across the visitor journey; AWS environment design and operation.
• Systems-engineering input on the Mars Rover experience, alongside gamification, AV and external dev teams.

Network Operations Manager

World Defense Show 2026

Ran the show-floor network for one of the world’s largest defence exhibitions, across the halls of the Riyadh Exhibition & Convention Center.

• Core: a pair of Catalyst 9500-48Y4C in StackWise Virtual with SSO, dual-active detection and 25G SVLs on IOS-XE 17.15, DNA Advantage.
• 18 switches directly off the core over 36 CDP adjacencies: two 9500 hall distribution switches, eleven 9300-48P access stacks, two server farms, IPTV, plus Hall 3 wireless controllers and dual firewalls, all dual-homed to both chassis over 25G LACP bundles with Rapid-PVST loop guard and UDLD underneath.
• Around 25 VLANs with central DHCP: tiered exhibitor bandwidth (5 to 100 Mbps), delegates, Royal and VIP, staff, media, radios, BMS, PA/VA, multicast-routed IPTV, show-control CCTV and a /17 guest Wi-Fi network for 30,000+ visitors.
• SNMPv3, syslog and NTP into PRTG; live topology captured from CDP into version-controlled configs and diagrams.

Global Infrastructure Lead

Beatpulse Labs

Client-facing video and voice data-annotation business, and the ingest, storage and processing platform behind it.

• International video ingestion network with Tier-1 peering to AWS, Azure and Cloudflare for low-latency multi-region ingest.
• Pipeline behind ML-based metadata tagging and 2 PB/month of transcoding under strict SLAs, on a GPU transcode fleet.
• Multi-node MinIO object storage; migrated Azure Blob in, now moving the archive to Backblaze B2.
• ETL/ELT into curated BI datasets with data-quality checks and alerting that cut failed jobs and reprocessing time.

Chief Systems Architect

Nuvo Energy Africa

• End-to-end telemetry platform: 15,000 smart-meter and solar endpoints at 4 events/min over MQTT into TimescaleDB and InfluxDB.
• ESP32- and ARM-based endpoint hardware collating RS485, CAN-bus and Zigbee; load-control hardware for solar arbitrage.
• Python ETL, star schemas for usage, tariffs and site performance, Power BI dashboards with row-level security and CI/CD.

Co-founder & Technical Director

Desktop Group (Pty) Ltd

• Built a Tier-1 ISP and voice network serving major South African metros, with BGP multihoming across carriers.
• On-prem and cloud data-centre platforms with backup/DR, encryption and RBAC at 99.9% availability.
• MySQL-backed voice billing engine rating 13,000 inter-network routes per second.
• Consolidated ISP/NOC logs, metrics and customer data into SQL, MongoDB and time-series stores for near-real-time reliability insight.