Jobs at Procept Associates Professional Services Limited (Procept Africa)

Key Responsibilities
System Installation & Configuration:

• Install, configure, and secure Red Hat, Oracle Enterprise Linux, and Solaris operating systems to meet business and security requirements.
• Deploy system patches, updates, and upgrades to maintain compliance and stability.
• Integrate Linux hosts with Red Hat Satellite for centralized lifecycle management.

Automation & Scripting:

• Automate system administration tasks using Ansible playbooks and shell scripting.
• Develop and maintain scripts for system monitoring, performance tuning, and routine maintenance.
• Implement automation for OS provisioning, configuration, and compliance enforcement.

Virtualization & Cloud Integration:

• Manage and support virtualization platforms including Oracle VM Manager, KVM, and VMware vCenter.
• Support migration of workloads between on-premises and cloud environments.
• Collaborate with cloud engineers to ensure integration of Unix/Linux systems with AWS, Azure, or GCP.

System Monitoring & Troubleshooting:

• Continuously monitor server performance, availability, and resource utilization.
• Diagnose and resolve OS-related incidents, hardware compatibility issues, and application dependencies.
• Provide second- and third-level support for Unix/Linux infrastructure escalations.

Security & Compliance:

• Apply hardening standards and vulnerability remediation measures on Unix/Linux systems.
• Ensure compliance with security benchmarks (e.g., CIS, ISO 27001) and organizational policies.
• Manage user access controls, authentication, and system auditing to safeguard infrastructure.

Backup, Recovery & High Availability:

• Implement backup and restore procedures to protect critical system data.
• Support clustering and high-availability solutions to minimize downtime.
• Perform disaster recovery drills to validate business continuity readiness.

Collaboration & Stakeholder Engagement:

• Work closely with application teams, DBAs, and network engineers to support system requirements.
• Engage with security, compliance, and DevOps teams to align infrastructure with enterprise standards.
• Support project delivery by contributing Unix/Linux expertise to design and deployment initiatives.

Documentation & Knowledge Sharing:

• Maintain up-to-date documentation of system configurations, procedures, and troubleshooting guides.
• Conduct training and knowledge-sharing sessions with junior engineers and support teams.
• Ensure changes are tracked, reviewed, and recorded in accordance with ITIL processes.

Qualifications

• Bachelor’s Degree in Computer Science, Information Technology, Engineering, or a related field.
• Minimum of 5 years progressive experience administering and supporting enterprise-level Unix/Linux environments (Red Hat Enterprise Linux, Oracle Linux, Solaris).
• Proven track record of performing system installation, configuration, patching, and lifecycle management in mission-critical environments.
• Strong expertise in shell scripting (Bash, Korn, Python) and automation tools (Ansible, Red Hat Satellite) to streamline system administration.
• Hands-on experience with virtualization technologies (VMware vCenter, Oracle VM, KVM) and integration with cloud-based infrastructure.
• Demonstrated ability to configure, monitor, and troubleshoot high-availability clusters, backup solutions, and disaster recovery environments.
• Solid understanding of security hardening, compliance standards, and user access controls within Unix/Linux systems.
• Experience with performance monitoring and tuning to optimize system stability and resource utilization.
• Familiarity with API integration, DevOps practices, and interoperability between Unix/Linux and enterprise applications.
• Proficiency in SQL for system-related queries, reporting, and integration support.

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Job Description

• The position is responsible for configuring and optimizing product offerings within the Ericsson Charging System.
• This includes setting up and managing rate plans, service bundles, offer IDs, Usage Counters (UC), Usage Thresholds (UT), and Dedicated Accounts (DA) to accurately implement business rules within products.
• The role involves overseeing the product lifecycle, ensuring seamless integration with charging system components, and maintaining compliance with defined business rules for service consumption.
• The specialist will collaborate closely with Ericsson’s tariff tree, DIAMETER interfaces, and real-time charging components to support accurate product configuration and billing processes.

Key Responsibilities
Product Configuration & Rate Plans:

• Configure and manage product offerings in Ericsson’s Charging System, including rate plans, service bundles, and Offer IDs to align with business and customer requirements.
• Define usage parameters for services such as voice, data, and SMS using Usage Counters (UC) to track service consumption in real time.
• Ensure accurate application of charging rules, pricing, and quota management through proper Offer ID configuration.

Dedicated Account (DA) Management:

• Set up and maintain Dedicated Accounts (DA) for specific subscribers or services to ensure proper resource allocation.
• Track consumption of allocated resources (e.g., data, minutes, SMS) and ensure correct deduction from DA balances.
• Manage balance transfers and ensure accurate quota handling for both prepaid and postpaid subscribers.

Usage Tracking with UC/UT:

• Configure and monitor Usage Counters (UC) and Usage Thresholds (UT) to maintain accurate service usage tracking.
• Implement usage thresholds that trigger alerts, restrictions, or service suspensions when predefined limits are reached.
• Ensure proper billing alignment by maintaining accurate UC and UT parameters.

Charging Integration & DIAMETER Protocol:

• Integrate DIAMETER protocol to support real-time charging and policy enforcement across network elements.
• Ensure seamless communication between charging systems and network components (e.g., PCRF) for accurate charging.
• Collaborate with network engineers to validate real-time charging for high-volume and time-sensitive services.

Testing & Validation:

• Conduct comprehensive testing of product configurations (Offer IDs, UC, UT, DA) to confirm accuracy and reliability.
• Validate service limits and restrictions through threshold testing to ensure proper enforcement.
• Perform end-to-end testing of real-time charging scenarios across data, voice, SMS, and bundled services.

Troubleshooting & Issue Resolution:

• Provide expert-level support for product configuration discrepancies, including UC/UT mismatches and Offer ID issues.
• Investigate and resolve challenges related to DIAMETER interfaces or charging inconsistencies.
• Continuously monitor product configurations to ensure ongoing alignment with business requirements.

Collaboration & Stakeholder Engagement:

• Work closely with product managers, solution architects, and operations teams to align configurations with strategic objectives.
• Partner with API engineers, DevOps, and integration teams (e.g., Apigee) to ensure smooth interoperability of charging systems.
• Coordinate with QA teams to design and execute robust validation plans before deployment.

Documentation & Knowledge Sharing:

• Maintain detailed documentation of product configurations, including Offer IDs, UC, UT, and DA setups.
• Share expertise through internal training sessions and knowledge transfer to strengthen team capability.
• Ensure all configuration changes and processes are logged for future reference and compliance.

Qualifications

• Bachelor’s Degree in Computer Science, Telecommunications, Engineering, or a related field.
• Minimum of 5 years progressive experience working with Ericsson Charging Systems, including Charging Data Function (CDF), Policy Control, and DIAMETER protocol integration.
• Proven track record of configuring and managing product offerings such as rate plans, service bundles, Offer IDs, and Dedicated Accounts (DA), ensuring accurate alignment with business rules.
• Strong expertise in real-time charging through Usage Counters (UC) and Usage Thresholds (UT), with demonstrated ability to define, monitor, and optimize service consumption.
• Hands-on experience integrating DIAMETER and other telecom protocols (e.g., CAMEL, SS7) to enable seamless real-time charging and policy enforcement.
• Experience with Ericsson BSS/OSS systems and integration with charging platforms.
• Knowledge of cloud-based services and how to integrate them with telecom billing systems.
• Understanding of API management and service orchestration in telecom environments.
• Familiarity with cloud computing environments (Google Cloud, AWS, Azure), API management, and integration platforms for telecom services.
• Proficiency in SQL for querying, reporting, and supporting API-driven integrations within charging system environments.
• Strong analytical ability to evaluate complex service configurations and resolve issues related to charging accuracy, Usage Counters, and thresholds.
• Excellent problem-solving skills with a focus on ensuring reliable and precise real-time billing for high-volume telecom services.
• Effective communicator with strong verbal and written skills, capable of collaborating with cross-functional teams and documenting complex configurations for operational clarity.