Office Block B, Ground Floor, Capital Park, Central Lane, Riverglen, Johannesburg, Steyn City +27 87 265 4965 support@engineers-oncall.co.za
Operating Brands

3

Strategic Partners
Experian & Altron FinTech
Uptime SLA
99.9% hosting target with local support
Why Choose Engineers-OnCall

Built for businesses that need systems, brands, and applications to keep running

We do more than deliver one-off builds. Engineers-OnCall provides the engineering, security, hosting, and operating discipline behind SIWE Group, Isekurex Capital, Mampudi Water, and partner-linked customer journeys that need to stay available and accountable.

Portfolio brand delivery
Application engineering depth
Partner-ready operations
Local, accountable support
Discuss your brand, application, or operating platform

+27 87 265 4965

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How We Operate

The delivery layer behind brands, platforms, and partner-linked services

Portfolio Delivery

We support multiple businesses and application surfaces without losing consistency or accountability.

Security & Governance

Security-first engineering, hosting discipline, and operational controls designed for trust.

Security-first engineering

Partner Integrations

We structure delivery so partner capabilities can plug into real customer and operational journeys.

Local & Reliable

Based in Johannesburg with the responsiveness to support live operating brands across South Africa.

Our Services

Focused, auditable services with local presence and enterprise-grade tooling

Domain & Web Hosting

Reliable hosting with scalable plans, regular backups, and monitoring to meet 99.9% uptime targets.

Secure Email Hosting

Business-grade email with encryption, anti-spam and secure archives.

Software & App Development

Custom solutions, API-first architecture, and user-centred mobile apps.

Next Gen Networking

Wifi surveys, mesh networks, and smart connectivity for modern workspaces.

Cybersecurity

Proactive protection with FREE network and vulnerability assessments.

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Message us on WhatsApp or request a call back to discuss your project.

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Businesses & Applications

Proof that our delivery extends beyond generic services

Engineers-OnCall supports operating brands and application-led businesses with the same delivery spine: engineering, infrastructure, security, and accountable local support.

Travel, conferencing & events

SIWE Group

Customer-facing travel, conferencing, and event journeys supported by secure hosting, content delivery, and day-to-day operational reliability.

Public web platform Quote-led journeys Operational delivery
Visit SIWE Group
Financial services & application workflows

Isekurex Capital

Application-led financial journeys, secure customer onboarding, and platform delivery that support credit and capital-facing experiences.

Application journeys Secure onboarding Platform support
Visit Isekurex Capital
Infrastructure, operations & utility delivery

Mampudi Water

Water systems, infrastructure, and operating identity work supported by dependable engineering, secure communications, and delivery coordination.

Water operations Infrastructure identity Brand platform support
Strategic Partners

Partners that strengthen delivery in data, payments, and regulated operating environments

Where the solution needs bureau data, payments infrastructure, or enterprise-grade fintech depth, Engineers-OnCall aligns delivery with trusted partner ecosystems.

Data, identity & decisioning

Experian

Supports verified, enterprise-grade data and decisioning capabilities when application delivery requires trusted external inputs.
Payments & FinTech infrastructure

Altron FinTech

Extends payment and fintech operating capability for customer journeys that require resilient enterprise-grade transaction support.
Core Services

Scalable hosting, secure communications, and custom software

Scalable Hosting

Managed hosting • Security-first

Optimised for performance with fast provisioning & backups.

Uptime monitoring & SLA
Auto-scaling and CDN options
Managed backups & disaster recovery
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Secure Email

Encrypted, compliant communications

Business-grade email with encryption, anti-spam and secure archives.

End-to-end encryption (where required)
Advanced spam & malware filtering
Compliance & eDiscovery-ready
Secure Email

Custom Apps

Cross-platform development

Agile delivery with long-term support and API-first architecture.

Agile teams & iterative delivery
Cross-platform (iOS, Android, Web)
CI/CD and automated testing
Build with Us
FAQs

Questions about assessments, hosting, and support?

We provide initial vulnerability assessments and WiFi surveys, SLA-backed hosting, and local support across South Africa. If you have a specific requirement, reach out and we will tailor a plan for your business.

Contact Us

Yes. We provide initial network and vulnerability assessments as well as WiFi surveys.

Our managed hosting targets 99.9% uptime with monitoring, backups, and disaster recovery.

We run audit-ready processes with documentation, change control, and security policies aligned to industry standards.

We are based in Johannesburg and serve clients across Gauteng and South Africa.

Yes. We build cross-platform apps with CI/CD and provide long-term support.
Why Us

Security-first engineering with local, reliable support

Audit-ready processes

Audit-ready Processes

Governance & Compliance
Documentation, change control, and security policies aligned to industry standards.
Technical expertise

Technical Expertise

Full-stack • Networks • Security
Experienced engineers across software, infrastructure, and cybersecurity domains.
Local and reliable

Local & Reliable

Johannesburg • Steyn City
Local support, 24/7 monitoring options, and a focus on business continuity.
Contact Us

Ready to start? Tell us about your project

Free initial assessments
Local project management

Message us on WhatsApp for an instant reply or submit the form and we will get back to you.

Call us

+27 87 265 4965

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Tech Blog / Threat Updates

Stay up to date with cybersecurity and tech trends

Ransomware Threat Update
Engineers-OnCall South Africa

Ransomware: What SA Businesses Need to Know

A practical guide to defending your business from the latest ransomware threats targeting South African companies.

Read More
Cloud Security Cloud Security
Engineers-OnCall 2025

Cloud Security: 5 Quick Wins

Simple steps to improve your cloud security posture and avoid common pitfalls.

Read More
Phishing Trends Threat Update
Engineers-OnCall 2025

Phishing Trends: How to Spot the Latest Attacks

Learn how to recognize and respond to the most common phishing tactics seen in South Africa this year.

Read More

Engineers-OnCallEngineers-OnCall

Engineering, security, hosting, and application support behind operating brands, customer journeys, and partner-ready delivery across South Africa.

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Contact Info

Office Block B, Ground Floor, Capital Park, Central Lane, Riverglen, Johannesburg, Steyn City

support@engineers-oncall.co.za

+27 87 265 4965

Office Block B, Ground Floor, Capital Park, Central Lane, Riverglen, Johannesburg, Steyn City

Services

Domain & Hosting Secure Email Software & App Development Next Gen Networking Cybersecurity

Connect

support@engineers-oncall.co.za www.engineers-oncall.co.za WhatsApp Graduate Onboarding

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