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Cape Town: Network Optimization Engineer posted by Tower Group

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Job Description

About the Role

We are seeking a highly motivated and skilled 5G Network Optimization Engineer to join our team in Cape Town. In this role, you will be responsible for optimizing the performance and efficiency of our 5G network, ensuring a seamless and high-quality user experience.

Key Responsibilities

  • Continuously monitor and analyze Key Performance Indicators (KPIs) such as Call Drop Rate (CDR), Blocked Calls, Throughput, and Latency.
  • Identify and resolve network performance degradation issues.
  • Conduct drive tests using tools like TEMS, Nemo, or XCAL.
  • Analyze logs to detect coverage holes, interference, or handover issues.
  • Fine-tune network parameters (e.g., Power Control, Handover, Load Balancing).
  • Optimize features like MIMO, Carrier Aggregation, and Beamforming in 5G.
  • Ensure adequate network coverage and signal quality by analyzing propagation models.
  • Plan for additional carriers, cells, or small cells where required.
  • Identify and mitigate external and internal interference sources.
  • Use spectrum analyzers and interference-hunting tools.
  • Optimize intra-frequency and inter-frequency handover settings to reduce call drops.
  • Ensure smooth transitions between 4G and 5G networks.
  • Improve user data rates through scheduling, resource allocation, and QoS prioritization.
  • Analyze TCP/IP performance and troubleshoot slow speeds.
  • Monitor and distribute traffic load across multiple carriers and bands.
  • Implement load balancing features like ANR (Automatic Neighbor Relation) and SON (Self-Optimizing Networks).
  • Optimize VoLTE call setup times, quality, and handovers.
  • Ensure proper integration and tuning of 5G Voice over New Radio (VoNR).
  • Benchmark network performance against competitors.
  • Use AI/ML-based tools for automated anomaly detection and predictive analysis.

Requirements

Must have experience with MultiVendor tools: ability to extract, parse and analyze PM Data from OSS NBIs or other interfaces.

Must be able to analyze and interpret field test data for network enhancement (DT analysis, L3 signaling, etc.).

Must be able to design and implement Layer management strategies to optimize load balance.

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Knowledgeable in identifying KPI degradation and creating mitigation plans to normalize the trend.

Have Analytical skills for performance data analysis and decision-making.

Proficient in using OSS MultiVendor tools in collecting/gathering data files for KPI monitoring, Parameter Adjustment and Sites Status Checking.

Qualifications

Bachelors degree in Engineering, IT, Telecommunications, or a related field (preferred).

Salary & Benefits

Not specified.

How to Apply

Click the green “Go Apply” button below to apply directly online with the employer.

About Telecommunication Jobs in Western Cape

The telecommunication industry is a thriving sector in the Western Cape, South Africa, with a strong demand for skilled professionals to drive innovation and growth. Typically, job seekers in this field can expect to find employment opportunities across various sectors, including technology, financial services, and manufacturing. Generally, the industry is characterized by rapid technological advancements, which creates a need for professionals who can adapt and excel in fast-paced environments.

In terms of salary expectations, it’s common for telecommunication professionals in the Western Cape to earn broadly ranging salaries, with experienced candidates often commanding higher remuneration packages. Typically, starting salaries for entry-level positions range from R500 000 to R800 000 per annum, while senior roles can command salaries upwards of R1 million to R2 million per annum, depending on factors such as experience, company size, and industry sector. However, it’s essential to note that these figures are general estimates and may vary significantly depending on individual circumstances.

Common skills required for telecommunication roles in the Western Cape include proficiency in programming languages such as Java, Python, or C++, as well as strong knowledge of networking protocols and software development methodologies. Additionally, many employers require candidates to possess excellent problem-solving skills, attention to detail, and effective communication abilities. Other valuable skills include experience with cloud-based technologies, data analytics tools, and Agile project management frameworks. In some cases, a degree in computer science or a related field may be preferred.

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The telecommunication industry is diverse and encompasses various sectors, including the technology industry, financial services sector, and manufacturing sector. Financial institutions often require professionals to manage network security, while tech companies need skilled engineers to develop innovative solutions. In contrast, manufacturers rely on telecommunications experts to optimize their supply chains and logistics.

For those interested in pursuing a career in telecommunication, there are numerous opportunities for professional development. Many employers invest heavily in training and upskilling programs, which can help employees stay current with the latest technologies and industry trends. Additionally, certifications such as CompTIA Network+ or Cisco CCNA can demonstrate expertise and enhance job prospects. With experience, professionals can move into senior roles, taking on leadership positions or specializing in specific areas, such as network architecture or cybersecurity.


This information provides general career guidance. Actual salaries and requirements vary by employer.



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