31 Core Team jobs in South Africa

Plattekloof, ZA

Full-Time

Technology

Job Openings

IP Core & Transmission Engineer

Applications are invited for the IP Core & Transmission Engineer position based in Stellenbosch.

This person will report to the IP Core and Transmission Team Lead.

PURPOSE OF THE ROLE: The IP Core & Transmission Engineer will play a critical role in the design, implementation, and optimisation of our Core network infrastructure. You will be responsible for maintaining and enhancing our IP core and transmission network to ensure we meet the uptime requirements of the network.

Key Performance Areas would include, but are not limited to:

• Responsible for the national IP Core network.
• Run the IP Core network with 99.99% uptime.
• Responsible for the national transmission network
• Run Transmission network with 99.99% availability.

Key Outputs:

• Network Architecture and Design:
  
  Developing network architecture and design plans for the IP core and transmission network to ensure scalability, redundancy, and high availability.
• Network Implementation:

Deploying and configuring network equipment such as routers, switches, firewalls, and transmission equipment.
- Routing and Switching Configuration:

Configuring routing and switching protocols (e.g., BGP, OSPF, MPLS) to ensure efficient data routing and traffic management within the IP core network.

• Quality of Service (QoS):
  
  Implementation: Setting up QoS policies to prioritize and optimize traffic flows, ensuring that critical traffic receive the necessary network resources.

• Security Measures:
  
  Implementing security measures, including access control lists (ACLs), firewalls, intrusion detection and prevention systems (IDPS), and VPNs to protect the network from unauthorized access and cyber threats.

• Monitoring and Troubleshooting:
  
  Setting up network monitoring tools and processes to proactively detect and resolve network issues. This includes monitoring network performance, bandwidth utilization, and fault detection.

• Capacity Planning:
  
  Analysing network traffic patterns and growth trends to plan for network capacity upgrades and expansions as necessary.

• Disaster Recovery and Redundancy:
  
  Designing and implementing disaster recovery plans and redundancy mechanisms to ensure network uptime and data continuity in case of failures or disasters.
• Documentation:
  
  Maintaining comprehensive documentation of network configurations, procedures, and changes made to the network.
• Network Optimization:
  
  Continuously optimizing network performance by fine-tuning configurations, upgrading hardware/software, and implementing efficiency improvements.
• Compliance and Regulatory Requirements:
  
  Ensuring that the network infrastructure complies with relevant industry standards and regulatory requirements, such as data protection regulations and telecommunications laws.
• Team Collaboration:
  
  Collaborating with cross-functional teams to meet cross functional goals.
• Training and Knowledge Sharing:

Staying updated with the latest networking technologies and sharing knowledge with colleagues to enhance the skillset of the team.
- Incident Response:

Developing and implementing incident response plans to address network security breaches or major network outages promptly.

The successful candidate must have the following experience/skills: -

Work Experience and Competencies:

• Minimum of 5 years' experience in a network engineering role in the IPS or FNO industry.
• Expert proficiency in working on JUNIPER, CISCO, or ARISTA equipment.
• Strong problem-solving skills and the ability to troubleshoot issues efficiently.
• Excellent communication skills to work in a cross functional environment.

Qualifications

• Grade 12
• A relevant Bachelor's Degree will be advantageous.
• Networking Certifications will be essential such as JNCIP, CCNP, ITIL

Applications to be sent to:

If interested and meet all requirements, please submit your CV with contactable references.

PLEASE NOTE:

Preference will be given to Previously Disadvantaged Individual candidates, in line with Herotel's Employment Equity Plan.

Submission of your CV provides Herotel with your express consent for us to process your personal information contained therein, for purposes of processing your application.

Please refer to our Privacy Policy on our website for further information on how we process personal information.

About Four Seasons:

Four Seasons is powered by our people. We are a collective of individuals who crave to become better, to push ourselves to new heights and to treat each other as we wish to be treated in return. Our team members around the world create amazing experiences for our guests, residents, and partners through a commitment to luxury with genuine heart. We know that the best way to enable our people to deliver these exceptional guest experiences is through a world-class employee experience and company culture.

At Four Seasons, we believe in recognizing a familiar face, welcoming a new one and treating everyone we meet the way we would want to be treated ourselves. Whether you work with us, stay with us, live with us or discover with us, we believe our purpose is to create impressions that will stay with you for a lifetime. It comes from our belief that life is richer when we truly connect to the people and the world around us.

About the location:

High up on the rocky Witwatersrand is where you'll find us. Despite being in the middle of South Africa's largest city, our Westcliff Hotel feels like a chic hillside village, with nine sun-splashed villas woven with courtyards, fountains and gardens. Take a ride up our glass elevator to meet friends for seasonally inspired dishes at Flames, visit our destination day spa that captures the serenity of the region with its nature-inspired treatments, or simply step out onto your room's balcony to enjoy a quiet moment as you admire the endless treetops that stretch out before you.

About Four Seasons Hotel, The Westcliff, Johannesburg

Join Our Team at the iconic Four Seasons Hotel the Westcliff, Johannesburg. A stylish urban resort elevated on a hillside with panoramic views across the Johannesburg Zoo and the prestigious neighbourhoods' of the Parks whilst working on a team that is built on mutual respect, collaboration, excellent service and passion for food and wine.

We seek a highly motivated and service-minded individual to join the Rooms team as a Core Agent.

The deeply instilled Four Seasons culture is personified by its employees, people who share a single focus and are inspired to offer great service. Four Seasons Hotels and Resorts has been ranked FORTUNE Magazine's "100 Best Companies to Work For."

"The reason for our success is no secret. It comes down to one single principle that transcends time and geography, religion, and culture. It's the Golden Rule – the simple idea that if you treat people well, the way you would like to be treated, they will do the same." – Isadore Sharp, Founder and Chairman Four Seasons Hotels and Resorts

Job Summary

Our Rooms team is dedicated to accommodating guest & employee requests from the ordinary to the extraordinary.

What to Expect:

• Be part of a cohesive team with opportunities to build a successful career with global potential.
• Have access to a robust benefit plan.
• Have the opportunity to engage in diverse and challenging work.
• Derive a sense of pride in work well done.
• Be recognized for excellence.

Learn more about

what it is like to work at Four Seasons – visit us:

Successful candidates must possess legal rights to work in South Africa

Please note that due to the large number of responses we receive, only candidates being considered for the above position will be contacted for an interview. Should you not have heard from us within 10 days of application, please consider your application unsuccessful at this time.

EE candidates including disabled applicants are welcome to apply.

Company Description

Pupilo is Africa's trusted online coding education platform for kids and teens ages 7-18. Our mission is to inspire and prepare children to thrive in a tech-powered world by nurturing cognitive development and

life skills. Our courses span from Scratch, Minecraft Education, and Python to AI, Data Science, Robotics, Web and App Development— preparing learners not just for jobs, but for entrepreneurship, leadership, and innovation. We go beyond teaching syntax and commands. Pupilo nurtures cognitive development and

life skills that shape confident, adaptable learners.

We are a team of passionates about technology and education, and we take pride in empowering the future generation of innovators in Africa.

Join the mission today

Role Descripti
o

n

The Core Coding & Robotics Instructor will deliver engaging, project-based lessons to learners aged 7–18 using Pupilo's structured curriculum (Scratch, Minecraft, Roblox Lua, Python, AI, Data Science, Robotics, App Development). They will ensure consistent, high-quality delivery. This is a committed role with scheduled hours and performance accountability

.
Responsibilitie

• sDeliver live online or in-person lessons following Pupilo's curriculum, worksheets, an

d project guideline

• sTrack student progress, maintain attendance, and submit periodic report
• sProvide regular constructive feedback to learners and communicate updates wit

h parents/guardian

• sCollaborate with the Tutor Manager, Master Trainer, and instructional design team t

o improve teaching deliver

• yMentor students on projects, ensuring completion and quality outcome
• sUphold Pupilo's standards of pedagogy, engagement, and inclusivit

y.Qualification

• sStrong background in Coding & Robotics (Scratch, Python, AI/Robotics
• )Experience with gamified coding (Minecraft, Roblox, etc.) preferre
• dProven experience teaching/mentoring children or teens in STEM subject
• sExcellent communication and classroom management skill
• sBachelor's degree in Computer Science, Education, or related field (or equivalen

t practical experience

• )Ability to commit to a structured teaching schedule and long-term student success.

v
What We Offer

• Fixed teaching assignments with stable monthly incom
• eProfessional development through regular training and workshop
• sGrowth pathway: high-performing core tutors can progress toward Master Trainer role
• sAccess to Pupilo's teaching resources, assessments, and structured curriculu
• mOpportunity to inspire and mentor Africa's next generation of innovator

s
**How To App<

/strong>ly

Send your Resume to asap. Applications will be reviewed on a rolli

ngbasis

.**

We are urgently looking for an experienced
C# Developer
to join our team for an immediate placement. If you're passionate about clean code, thrive under pressure, and have strong .NET Core experience, we want to hear from you

Must-Have Requirements:

• Minimum
  8 years of professional experience in C#
• Tertiary qualification in Software Development, IT, or related field
• Proven ability to work effectively in high-pressure environments
• Proficiency in Microsoft Azure
• Strong experience with:
• .NET Core
  (3–4 years minimum is a major plus)
• Entity Framework Core
• REST APIs
• Azure Functions & WebJobs
• DevOp
  s

Nice-to-Haves / Advantageous Skills:

• Azure Cognitive Services (Language)
• Power Automate
• Git
• MongoDB
• Microsoft Bot Framework & Bot Framework Emulator
• Agile Development practices
• Microsoft SQL Server
• NuGet
• Ngrok
• Azure SDK
• KQL (Kusto Query Language)
• Mediator Pattern

(Urgent Need: Applications will be expedited at your discretion)

Tutoring in Mathematics Core

Ideally through to Matric

Responsibilities:

1. Tutoring Mathematics Core i.e., gathering and preparing learning materials for lessons, identifying learning struggles and tackling them in unique ways.
2. Communicating and scheduling lessons with clients (parents/guardians).
3. Submitting feedback via our online system.

Feel free to check out Tutor Doctor Waterfall's website for information about us and alternative application means.

Job Type: Part-time

Pay: R160,00 - R185,00 per hour

Expected hours: 2 – 12 per week

Education:

• High School (matric) (Required)

License/Certification:

• Clear Criminal Record (Required)
• Driver's License (Required)
• /functional personal or shared vehicle (Required)
• Uni transcript, or 70% in the subject (Matric) (Required)

Work Location: On the road

We are in search of an intermediate to Senior level Java developer with strong coding fundamentals in core Java to join our growing team. You will be a part of a talented team that is responsible for delivering on world class consumer device electronics. You will be involved in designing, developing and implementing Java-based UX Components across various consumer electronic devices. Follows approved life cycle methodologies, creates design documents, writes code, and performs unit and functional testing of software. Contributes to the overall architecture and standards.

Responsibilities

• Individually responsible for delivering on project requirements
• Software development, planning, design and investigation
• Accountable for Software development, bug fixing, technical recommendations (incl. impact assessment & test focus) & lifecycle management
• Unit test development, static analysis & software maintenance
• Unified application software setup, continuous integration, configuration & delivery
• Software component profiling & reporting
• Work breakdown structure, estimation and risk identification and mitigation
• Low-level designs for work packages.
• Work package progress reporting
• Mentoring Junior Developers
• Adherence to the milestone-driven hybrid project & cross-functional teams (CFT) process & policies
• Knowledge transfer within the team (Presentations & documentation

Experience Required:

• Proven track record of 3+ years of experience in Java (core Java) and JavaScript-based software stack design, development, testing, tools and life cycle management.
• Experience of Java and JavaScript principles and development techniques.
• Knowledge and experience implementing multithreading concepts on core Java.
• Knowledge of Object Orientated principles and design patterns
• Understanding of Java, Android, HTML5, CSS3 and Javascript
• Knowledge of industry-wide best practices of processes, development methodologies and tools for development

Qualifications

• B.Eng Electronic/Electrical Engineering or B.Sc Information Technology (Computer Science)
• (Advantageous) Post Graduate Degree
• (Advantageous) Oracle Java Certification

Our client seeks a Packet Core Operations Engineer to join their dynamic team on an initial 6 month contract. This role is fully remote.

Skills and Experience

• Bachelor's degree in Telecommunications, Computer Science, or related field

• 3–5 years of hands-on experience in packet core operations within telecom

environments

• Strong understanding of 3GPP standards and mobile core protocols (GTP, Diameter,

SCTP, IPsec)

• Proficiency in network monitoring tools (e.g., Wireshark, NetAct, U2000,

SolarWinds)

• Experience with virtualization platforms (NFV, VMware, OpenStack) and

containerized environments

• Familiarity with incident management frameworks (e.g., ITIL, ServiceNow)

• Solid troubleshooting skills and ability to work under pressure

• Effective communication and documentation abilities

Should this role speak to you, kindly send a copy of your latest CV to