Jobs Career Advice Post Job
X

Send this job to a friend

X

Did you notice an error or suspect this job is scam? Tell us.

  • Posted: Feb 17, 2026
    Deadline: Not specified
    • @gmail.com
    • @yahoo.com
    • @outlook.com
  • Datafin was established in 1999 due to the need for a specialized IT recruitment solution. We offer a personalized and flexible recruitment service, specializing in providing both client and candidate with the perfect fit. We pride ourselves on the fact that we have established relationships with industry leaders and a vast majority of our business is repeat...
    Read more about this company

     

    RADIUS Systems & DevOps Specialist - Hybrid - Stellenbosch

    ENVIRONMENT:

    • Our client provides a pay-as-you-go, uncapped fibre internet solution built specifically for township markets. Customers can access high speed (up to 100 Mbps) fibre from home with no contracts or installation fees, at affordable rates.
    • The mission is simple: make reliable, high-quality internet accessible to everyone. They are seeking a RADIUS Systems & DevOps Specialist to join the Engineering – Platforms team.
    • This role is responsible for the stability, scalability, and security of subscriber authentication and policy enforcement across network platforms.
    • You will own the reliability, performance, and automation of RADIUS and AAA systems, working closely with databases, OSS/BSS platforms, and core network services.
    • The role plays a critical part in ensuring subscriber platforms scale effectively, remain resilient under heavy load, and recover gracefully from failures — supporting a fast-growing user base and a mission-critical service.

    DUTIES:

    RADIUS & AAA Platform Management

    • Maintain and operate RADIUS proxies and AAA systems in high-scale ISP environments.
    • Ensure high availability, performance, and security of authentication platforms.
    • Support subscriber authentication, authorization, and policy enforcement services.

    Systems Integration & Data Management

    • Integrate RADIUS platforms with databases and OSS/BSS systems.
    • Support data flows between authentication systems, network elements, and customer platforms.
    • Assist with troubleshooting complex subscriber and policy-related issues.

    Scalability, Resilience & Reliability

    • Perform scaling, load, and failure-mode analysis on RADIUS and AAA platforms.
    • Design and implement resilience strategies, redundancy, and failover mechanisms.
    • Participate in incident response, root cause analysis, and long-term remediation.

    Automation & DevOps

    • Automate deployments, configuration management, and operational tasks.
    • Improve platform consistency, repeatability, and recovery through automation.
    • Support CI/CD practices for platform configuration and updates.

    REQUIREMENTS:

    Experience:

    • Hands-on experience operating RADIUS and AAA systems in ISP environments.
    • Strong experience with Linux systems and databases.
    • Experience integrating authentication platforms with OSS/BSS systems.
    • Exposure to AWS and/or on-prem infrastructure environments (advantageous).

    Technical Competencies:

    • Strong understanding of subscriber authentication and policy enforcement.
    • Experience with scalable, high-availability system design.
    • Solid troubleshooting and performance optimisation skills.
    • Automation mindset with a focus on reliability and repeatability.

    Check how your CV aligns with this job

    Method of Application

    Interested and qualified? Go to Datafin Recruitment on datafin.com to apply

    Build your CV for free. Download in different templates.

  • Send your application

    View All Vacancies at Datafin Recruitment Back To Home

Subscribe to Job Alert

 

Join our happy subscribers

 
 
Send your application through

GmailGmail YahoomailYahoomail