Carl von Graszouw

Operations Executive · Solutions Architect · Key Account & Business Development

Telecoms, IoT & Digital Transformation — 30+ years · 22 countries

Tshwane, Gauteng, South Africa +27 68 941 0864 carl@ipengaconsulting.com
Carl von Graszouw
Vodacom CEO Award — 1st Place (2021) · Technology & Innovation · Team of 3 · Digital Twin & Cluster Bracket Programme — R75M+ Capex savings
30+
Years experience
R180M
Turnkey PM scale
22
African countries
R75M+
Capex savings delivered

Professional summary

Operations executive and solutions architect with 30+ years running large-scale telecoms, IoT, and industrial engineering programmes. Operational track record includes teams of up to 221 staff, R180M annual budgets, national PPM/CPM frameworks, HSE/QC governance, and turnkey P&L delivery across 22 African countries and internationally (UK, Australia, India, China, UAE). Commercial accountability — key account ownership, technical-commercial bid response, RFP/RFQ authoring, and partner/OEM ecosystem growth — has been a KPI in every role. Specialises in Sigfox, LoRaWAN, NB-IoT, BLE Hop, and Meshtastic for asset tracking, security, smart metering, and industrial monitoring across mining, municipal, and telecom sectors. Delivered R75M+ Capex savings through the Digital Twin and Cluster Bracket programmes and received the Vodacom CEO Award — 1st place (2021) for Technology & Innovation.

Core competencies

Professional experience

Pre-Sales Solutions Architect & Key Account Manager (Consultant) G-Matrix Systems · Centurion (via Ipenga Consulting) 2025 — Present
  • Requirement specification — lead formal Client Requirement Specification (CRS) and User Requirement Specification (URS) workshops under controlled-document governance, capturing business objectives, functional & non-functional requirements, regulatory/compliance needs, operating environment, ROI expectations, reporting, and stakeholder mapping as the baseline for all downstream design.
  • Solution design — translate the CRS into end-to-end IoT architectures drawn from G-Matrix's hardware and software portfolio across Sigfox, LoRaWAN, NB-IoT, and BLE Hop platforms.
  • Technical validation — prove end-to-end feasibility of each solution (connectivity, sensors, firmware, cloud integration) before commercial sign-off.
  • Proposal authoring — produce technical-commercial proposals, BOQs, and delivery roadmaps for active engagements.
  • Commercial modelling — build client-facing cost models, ROI cases, and bid responses.
  • Key account management — own the client relationship from requirement gathering through delivery sign-off and commercial closure.
  • Client engagement — lead technical-commercial engagements with top-tier South African enterprises across retail, security, defence, municipal, mining, and industrial sectors — delivering end-to-end IoT security, asset intelligence, and data-integration solutions.
Principal Consultant & Founder — IoT & Telecom Ipenga Consulting · Pretoria · www.ipengaconsulting.com Jul 2024 — Present
  • Consulting vehicle through which the current G-Matrix Systems engagement (and prior Glenshade Holdings advisory) is delivered.
  • Delivered IoT and telecom consulting to 35+ clients across transport, logistics, security, municipal, and industrial sectors — covering digital transformation, asset tracking, and infrastructure protection.
  • Conducted HSE and QC audits, reducing operational risk by 20% for telecom clients.
  • Prepared RFQs, scopes of work, and technical-commercial proposals for smart city and industrial IoT deployments.
Advisor — IoT & Security Strategy Glenshade Holdings · Polokwane (via Ipenga Consulting) Sep 2024 — Mar 2025
  • Delivered advisory engagement guiding IoT-based security solutions for mining, municipal, and telecom sectors on low-power, jam-resistant Sigfox/LoRa networks.
  • Shaped EWIDS strategy and PSIM integrations as alternatives to traditional passive defence systems.
  • Drafted and delivered multiple telecoms bids and multi-year (3-year) contract engagement proposals for infrastructure and managed-service opportunities.
National Maintenance Manager — Telecom Infrastructure MAST (Vodacom Ecosystem) Apr 2024 — Jul 2024
  • Developed power management and legal compliance models for tower infrastructure.
  • Created national PPM/CPM frameworks to improve uptime across 1,000+ sites.
  • Oversaw structural and power remediation planning for FY24/25.
Digital Transformation & Process Lead MAST (Vodacom Ecosystem) May 2023 — Mar 2024
  • Digitised property files across 9 Vodacom regions (Metrofile Project).
  • Built TTS data integration for 4,500+ sites covering Power, Legal, Security, and O&M data.
  • Authored Digital Transformation Strategy; managed SGS data for Project SYPHER, improving efficiency by 30%.
Senior Structural & Specifications Specialist MAST (Vodacom Ecosystem) Oct 2022 — May 2023
  • Authored national specifications for BTS, O&M, Power-as-a-Service, and structural upgrades.
  • Supported SPMM model for Vodacom regional infrastructure takeover.
Infrastructure Manager — National Field Operations Vodacom South Africa Nov 2020 — Oct 2022
  • 🏆 Vodacom CEO Award — 1st place (2021) for Technology & Innovation as part of a team of three.
  • Directed national tower upgrades and 5G modernisation programmes (R82M–R180M budgets).
  • Led Project TANGO — DPS integration with Telkom Mobile.
  • Co-developed Digital Twin & Cluster Bracket Programme, delivering R75M+ Capex savings.
  • Managed legal compliance (fall arrest, rooftops), structural calculations, and QC across national footprint.
Key Account Manager — Vodacom Portfolio RBI Technical Services Jun 2019 — Oct 2020
  • Managed national structural compliance for 1,000+ tower and rooftop sites (SANS 10400, OHS Act) within 10-day SLA.
  • Oversaw financial and operational reporting across the Vodacom portfolio.
Consultant & Business Development Lead Desert Wolf Consulting Jul 2017 — May 2019
  • Designed telecom and security solutions for mining and defence clients; managed mast manufacturing and VTOL drone integration.
  • Prepared MDA submission for SANDF/Botswana Defence procurement.
Manager — Pipeline Services Africa Operations (EXCO) RARE · Sub-Saharan Africa Aug 2011 — Jun 2017
  • Managed annual operational budget of R180M and 221 staff across Sub-Saharan Africa.
  • Delivered DRD Gold 17 km pipeline project (featured in Engineering News, 2014) and multiple cross-border projects.

Earlier career (1994 — 2011)

Key achievements

Global experience

Africa (22 countries)

South Africa, Namibia, Botswana, Zimbabwe, Mozambique, Zambia, DRC, Malawi, Tanzania, Kenya, Uganda, Rwanda, Ghana, Nigeria, Ethiopia, Lesotho, Eswatini, Angola, Côte d’Ivoire, Senegal, Mauritius, Madagascar

International

United Kingdom · Australia · India · China · UAE

Education & professional development

National Higher Certificate (1988)

Military: SA National Service — Infantry School (1989–1991)

Technical: Toyota SA Cadet Training Programme (Advanced Marketing)

Specialist: Swagelining T Certification — Pipe Rehabilitation Technology (Glasgow, Scotland)

Standards & compliance

Quality, Environment & HSE

  • ISO 9001:2015 — Quality Management Systems
  • ISO 14001:2015 — Environmental Management Systems
  • ISO 45001:2018 — Occupational Health & Safety Management
  • OHS Act 85 of 1993 (SA) — Occupational Health & Safety
  • HIRA / JSA · PTW — Hazard identification, job safety, permit-to-work

IoT, Cyber & Data

  • ISO/IEC 27001:2022 — Information Security Management Systems
  • ETSI EN 303 645 — Cyber Security for Consumer IoT
  • ICASA Type Approval — SA radio & telecoms equipment approval
  • POPIA (Act 4 of 2013) — Protection of Personal Information (SA)

Telecoms & Structural

  • ANSI/TIA-222-H — Structural standard for antenna supporting structures
  • SANS 10160-1…8 — Basis of structural design & actions
  • SANS 10162-1 — Structural use of steel (hot-rolled)
  • SANS 10400 — Application of the National Building Regulations (SA)

Welding, Fabrication & Coatings

  • AWS D1.1/D1.1M — Structural Welding Code (Steel)
  • ASME BPVC Section IX — Welding, brazing & fusing qualifications
  • ISO 3834 (Parts 1–5) — Quality requirements for fusion welding
  • ISO 12944 (Parts 1–9) — Corrosion protection of steel by paint systems
  • Swagelining T Certification — Pipe rehabilitation technology (Glasgow)