Data Engineer

Job Mail • Python • SQL • SAS • ETL/ELT • Dimensional Modeling • 5 hours ago

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Salary

≈ $34k – $63k per year (Estimated)

Location

In office (South Africa)

Seniority

Senior · 5+ years exp

Employment

Full-Time

Confirmed on the employer's own hiring board on Oct 10, 2026. First seen by Alion on Oct 10, 2026. Job Mail scores B on the Alion truth index.

Overview

Company

Impact

Profile match

Job Mail

Job Mail is a South African online job board offering a large selection of vacancies across the country and some positions abroad. Job seekers can search and apply for jobs online, upload a CV and receive job alerts, while employers and recruitment agencies can advertise positions to a broad national audience. The brand is one of the longer-established names in South African job advertising and is operated from South Africa.

jobmail.co.za • HQ: Pretoria, South Africa • Job Boards & Aggregators

Minimum Requirements:

3 Year IT related degree
Post graduate qualification (advantageous)
5-10 Years’ experience and understanding in designing and developing data warehouses according to the Kimball methodology
Adept at design and development of ETL processes
SQL development experience, preferably SAS data studio and AWS experience
Ability to ingest/output CSV, JSON and other flat file types and any related data sources
Proficient in Python or R
Experience within Retail, Financial Services and Logistics environments

Responsibilities:

Ensure highest data quality assurance, data accuracy, and data completeness through regular and in-depth review and testing of work
Create easily understandable technical documentation that are kept up to date
Conduct data design, database architecture, metadata and repository creation activities and tasks as required by business Stakeholder
Translate business needs into long-term architecture solutions
Define, design, and build dimensional databases
Design the ETL pipelines
Develop data warehousing blueprints, evaluating hardware and software platforms, and integrating systems
Evaluate reusability of current data for additional analysis
Translate Meta data into explanatory reports and visuals for easy understanding to end user
Perform data pre-processing which includes data manipulation, transformation, normalisation, standardisation, visualisation, and derivation of new variables/features, as applicable to developing specific algorithms or models
Build data quality metrics and conduct data validation testing
Follow the IT governance process when implementing a change to ensure governance standards and protocols are followed
Provide feedback to business owners on identified problems to ensure quality of data is rectified
Conduct training and upskilling on new reports and or self-service analytics platforms to relevant Stakeholders
Communicate with Stakeholders to keep them abreast of current developments within the function and to manage expectations
Deal effectively and timeously with Customer complaints and ensure that complaints are resolved or escalated in line with agreed standards
Deliver services and products to the customer within the parameters of the agreed SLA

TO APPLY:

Only if you meet the minimum job requirements and experience as mentioned above, you may submit a detailed updated CV.
Please Apply Online and complete your registration via our website to enable and protect you as a candidate and to accept the new POPIA terms and conditions.
This will then create your permanent profile with which you can apply for all jobs as advertised by AJ PERSONNEL.
However, you may remove your profile from AJ PERSONNEL when you are no longer in the job market.
Please take note that the applicants who do not adhere to the minimum requirements will not be considered for the respective position.
Note our clients may expire jobs at their own discretion.
AJ PERSONNEL will only respond to shortlisted candidates.
If you have not received a response within two (2) weeks from applying, your application was then unsuccessful for that specific position, however your profile remains on our system for future opportunities.

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