Windows 10/11 OS
Sizwe Herman KHOZA
SCADA Network Engineer
Pretoria
Summary
With over 11 years of professional experience and a strong educational background in Computer Systems Engineering, I possess a detail-oriented experience in the development and utilization of the electricity power systems which is supported with my field experience. I am very positive, conscientious in my work, hardworking and resilience. Able to deal with difficult scenarios as and when required. I have the necessary skills and expertise to fulfill this job I applied for according to the company standards as required. I am professional, a strong communicator and able to always follow rules and procedures. I am fast learner, confident and pay attention to details. Outside of work, I keep fit by walking and running in park, reading books to stimulate my mind with new information to boost my concentration levels whilst I am at work. When you hire me, I will always be reliable, flexible and adaptable and I will always act as a positive role model for the company whenever I represent the company to the clients. I have experience in C++ and Python programming; Installation, Configuration and repair LAN and WAN; TCP/IP and firewalling experience; PC/Desktop troubleshooting; PLC/RTU to SCADA HMI configuration and implementation.
Overview
16
16
years of professional experience
14
14
years of post-secondary education
5
5
Languages
Work History
SCADA Network Engineer
Solar Africa Energy
Pretoria
07.2022 - Current
- Execute and supervise all required test and commissioning activities on SCADA and
- Instrumentation equipment in compliance with the approved Commissioning Plan, protocols, and procedures
- Supervise the tests and commissioning activities for full integration of grid connection SCADA system
- Responsible for all SCADA requirements of a PV, Battery, Wind power plants and Grid substation
- Troubleshoot the communication networks and all SCADA devices and instruments during the commissioning stage to bring the SCADA system to full operation in phase with the commissioning schedule of the project
- Execute and/or supervise point to point testing of all SCADA devices to verify full integration in monitoring portal
- Specify test and commissioning requirements relative to the SCADA system in preparation to the elaboration of the Commissioning Plan
- Review test and commissioning protocols/ procedures submitted by original equipment manufacturers, product suppliers and system integrators relative to the SCADA system
- Support internal and external stakeholders during contracting, engineering, and construction phases for SCADA relative matters
- Supervise the suppliers & subcontractors in this process, ensuring the correct integration of all sensors and controls in the SCADA system
- Participate to design reviews to ensure contractual compliance, constructability, and feasibility of the SCADA design package
- Coordinate on site team to handover the SCADA system safely to the O&M/owner once commissioning complete
- Interfaces with internal and external stakeholders of project including our Construction, H&S and Quality Team to ensure the commissioning activities are completed safely and under the resource and timeline constraints of the project
- Understand the local technical conditions e.g., GSM reception, WIFI, Antennas and ensure the SCADA system is online accessible
- Ensure all SCADA / Network related Tests, Reports and Checklists are performed, in accordance with the Quality Plan/ Commissioning Plan, signed, filled, and filed
- Report commissioning activities to the Commissioning Manager of the project
- Reason for Wanting to Leave: 8 month contract ending February 2023
Communications Engineer
Department of Environment, Forestry and Fisheries
Marion
04.2021 - 05.2022
- Designing of HMI, RTU and ODF Panels
- Creating of Communication Architecture Layouts
- Assisting Project Managers with Proposals, which includes:
- Input on Man-hours for SCADA Activities/Tasks on Projects
- Technical Write-ups for Proposal documentations
- Requesting budget quotations from Suppliers/Sub-contractors
- Compiling of Request for Quotation (RFQ) Documentation
- Technically evaluating the quotations received from Supplier/Sub-contractors
- Configuring, Testing and Commissioning of Human Machine Interfaces (HMIs) from a variety of vendors (SEL, GE, ABB, Siemens)
- Configuring, Testing and Commissioning Substation Gateways from a variety of vendors (SEL, GE, ABB, Siemens)
- Configuring, Testing and Commissioning of Serial and Ethernet networks
- Programming user-based logic using IEC 61131-3 on platforms requiring custom automation and control functionalities
- Configuring, Testing and Commissioning of protection relays for Substation Automation
- System, including Communication and Time Synchronization parameters
- Implementing secure industrial networking solutions in a substation environment using several telecommunication technologies, including TCP/IP, RSTP, VLAN's, Routers, Firewalls, VPN access, IPSec
- Conducting Factory and Site Acceptance testing of complete Substation Automation and Control Systems
- Creating Functional Design Specifications Documents (FDS), Detail Design Specification Documents (DDS), Factory Acceptance Test (FAT) and Site Acceptance Test (SAT) Files
- Reason for Leaving: Contract ended
Integration and Test Engineer
Alstom Transport Saudi Arabia
Riyadh
12.2017 - 03.2021
- Adhere to EHS work policies and standards
- Develop the test procedures, including the client validation process
- System interface integration and testing for various subsystems use SCADA – Communication (COM), Power System (POS), ATS (Automatic Train Supervision), IXL(Interlocking), BMS (Building Management Systems), PAPIS (Public Address / Passenger Information System), CCTV (Closed Circuit Television), NMS (Network Management System), CBTC (Communication Based Train Control) troubleshooting interface drivers, database logics, networks and applications
- Perform critical tests such as DC Functional trip testing before energization and in-service for TPS (Traction Power Sub-Station) and LPS (Lighting Power Sub-Station)
- Perform T&C activities on reliability upgrades in energized transmission and distribution stations
- Perform troubleshooting and punch-list follow-up
- Provide test report and perform requirement coverage activity
- Read electrical drawings and understand different protection schemes, troubleshoot and correcting of non-working schemes
- UnityPro PLC programming for MV controls and switchgears
- Perform static and dynamic tests with several partners
- Perform static and dynamic tests of integrative nature
- Validation of data at the database level
- Testing mimics of SCADA systems
- Responsible to organize and plans all site testing activities within my scope (prerequisites, EHS, tools, work permit, authorizations)
- Testing using Verification and Validation Methodology and co-ordinate testing of the work packages
- Co-ordinate the T&C installation requirements with the Installation Manager to perform test onsite
- Assist with all aspects of testing of substation devices and equipment
- Inspect works daily and documenting any snagging items or T&C defects for inclusion in the
- Master Snag List
- Reason for Leaving: Contract ended
Engineering Technician
City of Tshwane
Pretoria
11.2012 - 11.2017
- Operate to configure and install various OT network devices and services. This includes fibre optic and copper cabling, Wi-Fi points, routers, switches, firewalls, VPN, QoS, VLAN
- Monitor OT network performance and ensure system availability and reliability
- Operate to maintain network cabling and equipment, identify and resolve issues related to network transmission and other system issues
- Ensure maximum uptime and performance of Cabling, Switches, Routers, Firewalls, Wi-Fi AP's, Media Converters, Fibre Optic Network equipment
- Operate SCADA, PLC and field instrument networks. Networks include Profinet, Profibus, DeviceNet, ControlNet, Modbus (TCP/IP and RS485)
- Set OT network standards, specification and design parameters
- Provide expert Industrial Network advice on Industry Best Practice and keep abreast of latest developments in area of expertise
- Liaise with Group ICT for interface between ICT and OT networks
- Engage internal and external stakeholders on Industrial Network related matters, and support operations on Industrial Network related engagement
- Establish & maintain good working relationships and an effective / sound communication system with the Engineering Function and operations
- Ensure that all Engineering reporting is aligned with standards, guidelines and schedules
- Model behavior that is consistent with the Company Vision and Values
- Model behavior that is consistent with the Company's values and Code of Ethical Conduct
- Reason for Leaving: Better Learning Exposure
Trainee Technician
City of Tshwane
Pretoria
09.2009 - 12.2011
- Maintain the existing electrical distribution system RTU’s
- Maintain the existing electrical distribution substation automation systems
- Maintain the existing electrical SCADA communications, wireless and endpoint SCADA fibre hardware equipment
- Conduct RTU Fault Investigations in distribution substations
- Execute the construction and installation work of RTU’s according to specified standards and goals
- Ensure that site workmanship and installation quality standards are maintained
- Ensure that all necessary construction materials required on site are available when required
- Ensuring that the “as built” configuration and parameters of installed RTU’s are documented
- Perform routine maintenance on communications infrastructure
- Providing assistance to Senior Technicians during the construction and upgrading of communication equipment
- Provide assistance to co-workers during commissioning of communication equipment
- Maintain health and safety standards within the department
- Perform administrative, housekeeping and planning duties
- Reason for Leaving: Contract ended
Education
Bachelor of Technology - Computer Systems
Tshwane University of Technology
Pretoria, South Africa 01.2013 - 07.2015
National Diploma - Computer Systems Engineering
Tshwane University of Technology
Pretoria, South Africa 07.2006 - 11.2011
National Certificate: N6 - Electronic Engineering
Central Johannesburg College
Johanneburg, South Africa 01.2003 - 12.2003
High School Diploma -
John Orr Technical High School
Johannesburg, South Africa 01.1997 - 12.2001
Skills
Office 365(Word,Excel, PowerPoint, Outlook)
Testing and commissioning of different work activities using Verification & Validation method and where troubleshooting is needed apply return of experience (REX)
Broad electrical testing and commissioning experience and ability to use general test equipment tools
Experience with communication protocols including Modbus TCP, Modbus RTU, DNP3, IEC-61850, Profibus, OPC, XML
Ability to read electrical and mechanical technical diagrams
Ability to design, operator and maintain different control systems including SCADA, HMI and RTU systems
Ability to write detailed technical reports
Working knowledge of Project Management
Have leadership, supervision and management skills
Ability to learn new engineering specialist software
Ability to prioritize tasks
Able to work as part of a team
Ability to plan, organize and problem solve on a wide range of issues
Software
MacOS
Ubuntu
Simatic Step 7 (TIA Portal)
Helioscope
Auto CAD
ABB MicroSCADA
Simatic WinCC
Microst Visio
TeamViewer
Putty
Microwave Office
GitHub
MySQL
Phoenix PC Worx
AcSELerator QuickSet SEL-5030
Schneider EcoStruxure Machine Expert V2 0 - PLC
AB - RSLogix 500
AB - RSLogix 5000
References
Errol Julies
Professional (Department of Forestry, Fisheries & Environment South Africa)
Former Team Leader
Contact: +27766099887
Email: EJulies@dffe.gov.za
Omar Anzar
Professional (Alstom Transport Saudi Arabia)
Former Team Leader
Contact: +33671378137
Email: omar.anzar@societedugrandparis.fr
Thabo Manake
Professional (City of Tshwane)
Former Line Supervisor
Contact: +27768501445
Email: thaboman@tshwane.gov.za
Sechaba Modisenyane
Professional (City of Tshwane)
Former Line Supervisor
Contact: +27670627000
Email: sechabam@tshwane.gov.za
Email: sechabam@tshwane.gov.za
Timeline
SCADA Network Engineer
Solar Africa Energy
07.2022 - Current
Communications Engineer
Department of Environment, Forestry and Fisheries
04.2021 - 05.2022
Integration and Test Engineer
Alstom Transport Saudi Arabia
12.2017 - 03.2021
Bachelor of Technology - Computer Systems
Tshwane University of Technology
01.2013 - 07.2015
Engineering Technician
City of Tshwane
11.2012 - 11.2017
Trainee Technician
City of Tshwane
09.2009 - 12.2011
National Diploma - Computer Systems Engineering
Tshwane University of Technology
07.2006 - 11.2011
National Certificate: N6 - Electronic Engineering
Central Johannesburg College
01.2003 - 12.2003
High School Diploma -
John Orr Technical High School
01.1997 - 12.2001