Ops Specialist :Tech Business Analyst (App Mod) - Fixed Term Contract
BCX · Centurion, Gauteng
Posted 13 September 2026
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Business Connexion (Pty) Ltd
Duties & Responsibilities
Core Description The Technical Business Analyst role focuses on system behaviour, data structures, interface mappings, migration rules and functional equivalence between the legacy and modern system(s).
The technical BA works closely with architects and developers to ensure that business logic and system functionality are accurately translated during the rewrite. Key Deliverables / Primary Functions
• Analyse legacy Natural/ADABAS code, data structures and system interfaces to extract embedded business rules and technical activities. • Document the technical requirements, interface specifications, and functionals corresponding rules for the modern C#/.NET architecture. • Collaborate with Data Architects to define data migration rules, transformation logic, and validation criteria. • Work with Integration and Solutions Architects to document interface mappings, ESB service contracts, and integration scenarios. • Support the development of official/agreed data models and API specifications by providing functional context from legacy systems. • Develop detailed use cases, system interaction diagrams and technical acceptance criteria to support design and testing. • Participate in backlog grooming and solution design sessions, ensuring that technical stories accurately reflect business and legacy requirements. • Review and validate developed components to ensure functional correspondence with legacy behaviour and business expectations. Core Functional Skills & Capabilities Business Analysis Data Analysis Data Migration Service and System Integration Analytical and Problem Solving Core Behavioural Competencies Job Match Applying expertise & Technology Analysing Adapting & Responding to change Presenting and Communicating information Minimum Qualifications NQF 6: 3 year Degree/ Diploma/ National Diploma in Computer Science or Information Systems Additional Education -Preferred /Advantage Experience
- 5 - 10+ years' experience as a Business Analyst / System Analyst on complex enterprise systems.
- Strong understanding of legacy mainframe environments (Natural/ADABAS), data models and integration patterns.
- Exposure to C#/.NET or equivalent environments will be an advantage.
- Familiar with Agile delivery approaches and tools (e.g. Azure DevOps, Jira), while able to work in hybrid Agile-Waterfall transformation contexts.
Professional Memberships in Relevant Industry Level of Engagement & Span of Control Level of EngagementEngagement with all levels within the organisation, internal and external to the business.
Special Requirements / Employment Condition Valid Drivers license Willing to travel Ability to work extended /long hours as and when required Workplace / Physical Requirements Client Roaming BCX is an equal opportunity employer, and appointments will be made in line with our employment equity plan and talent requirements. We seek to promote the employment and advancement of designated groups, inclusive of people with disabilities, while building an inclusive workforce that embraces diversity.
Desired Experience & Qualification
We are looking for a highly technical and experienced Technical Business Analyst to join a large-scale application modernisation programme. The successful candidate will work closely with architects, developers, and data specialists to analyse complex legacy systems, define technical requirements, support data migration activities, and ensure the successful transition to modern .NET-based platforms. This role requires strong experience in enterprise systems, integration patterns, data structures, and business analysis within complex technical environments. Immediate availability is highly advantageous as this is an urgent requirement.