Organization Name: Powertel Communications (Pvt) Limited
The Senior Mobile Core Network Engineer is responsible for planning, deploying, integrating, operating and optimising Powertel’s LTE and future 5G core network infrastructure to ensure secure, reliable and high-performance mobile services.
Job Summary
- Type: full-time
- Location: Harare
- Category: Engineering
- Closing Date: 2026-08-03
Key Responsibilities
- Plans and dimensions LTE EPC and future 5G Core capacity based on subscriber growth, traffic demand and service requirements.
- Develops mobile core architecture, redundancy, disaster recovery and expansion plans.
- Plans subscriber licences, sessions, throughput, signalling capacity, APNs, IP address pools and QoS profiles.
- Prepares technical specifications, bills of quantities and network design documentation.
- Installs, configures, commissions and integrates mobile core network elements, including MME, SGW, PGW, HSS, PCRF and related platforms.
- Integrates the mobile core with the RAN, billing systems, charging platforms, internet gateways, enterprise networks and IoT platforms.
- Configures and supports S1, S5/S8, S6a, Gx, Gy, SGi and other relevant interfaces.
- Supports LTE, 5G NSA and future 5G SA deployment.
- Monitors core network availability, capacity, licences, sessions, bearer establishment and signalling performance.
- Analyses core network KPIs and recommends upgrades before capacity thresholds are exceeded.
- Performs subscriber provisioning, APN configuration, SIM authentication and QoS policy management.
- Conducts software upgrades, patching, backups, restoration testing and system health checks.
- Diagnoses and resolves faults affecting subscriber attachment, authentication, data sessions and service access.
- Performs end-to-end troubleshooting across the mobile core, IP network, RAN, billing and internet platforms.
- Implements network hardening, access controls, security policies and change-management procedures.
- Maintains accurate configuration, fault, capacity and operational records.
Requirements
- Bachelor’s Degree in Telecommunications, Electronic, Electrical, Computer Engineering, Computer Science or a related discipline.
- Registration with the Zimbabwe Institution of Engineers or another recognised professional body.
- Valid Class 4 Zimbabwe Driver’s Licence.
- At least four years’ relevant experience in mobile core network planning, deployment, integration or operations.
- Practical experience with LTE EPC, IP networking, routing, charging and subscriber management systems.
- Experience with ZTE ZXUN EPC or an equivalent mobile core platform is an added advantage.
- Strong analytical and troubleshooting skills.
- Good understanding of LTE EPC and 5G Core architecture.
- Strong knowledge of IP networking, signalling and mobile data services.
- Ability to work independently and under pressure.
- Good communication, documentation and project coordination skills.
- Customer-focused and results-oriented approach.
How to Apply
Deadline Date: 31 July 2024. Email: [email protected]. Submission Address: The Human Resources Manager, Powertel Communications (Pvt) Limited, 16 Birmingham Road, Southerton, HARARE. Instructions: Interested and suitably qualified candidates should send clearly labelled applications indicating position applied for. All applications must include certified copies of academic and professional certificates accompanied by a detailed curriculum vitae.
Frequently Asked Questions
What are the essential qualifications and certifications for a Senior Mobile Core Network Engineer in Zimbabwe?
Typically, a Bachelor's degree in Telecommunications, Electronic Engineering, or Computer Science is required, coupled with significant experience in mobile core networks. Industry certifications like CCNA, CCNP, or specific vendor certifications (e.g., Ericsson, Huawei) are highly advantageous and often expected.
What are the common day-to-day responsibilities for a Senior Mobile Core Network Engineer at a Zimbabwean operator?
Daily tasks involve monitoring core network performance, troubleshooting complex issues across 2G/3G/4G/5G platforms, and implementing new services or upgrades. You'll also be involved in capacity planning, security hardening, and ensuring high network availability and reliability.
What are the typical work culture and expectations for a senior engineering role in Zimbabwe's telecommunications sector?
The work culture often emphasizes resilience in resource-constrained environments, strong problem-solving skills, and a collaborative team approach. Expectations include high levels of professionalism, adaptability to evolving technologies, and often working outside standard hours for critical network incidents or planned maintenance.
What are realistic career progression paths for a Senior Mobile Core Network Engineer in Zimbabwe?
Successful Senior Mobile Core Network Engineers can progress into roles like Principal Engineer, Network Architect, or Head of Core Network Operations. Opportunities may also arise in project management or specialized areas like network security or cloud core development.
What kind of typical benefits package can a Senior Mobile Core Network Engineer expect in Zimbabwe?
Standard benefits generally include medical aid coverage, a pension scheme, and annual leave as per Zimbabwean labor laws. Some employers may also offer transport allowances, performance bonuses, or subsidized communication services.
What's the best way to apply for such a role in Zimbabwe, and what do employers typically look for in candidates?
Applications are usually made online through company portals or professional networking sites, requiring a detailed CV and cover letter. Employers seek proven technical expertise, strong problem-solving skills, leadership potential, and relevant experience within the Zimbabwean or regional telecom landscape.