Johannesburg: Network / API Specialist

Transactional Banking Network & API Specialist Ready to step into a high-impact role supporting the digital backbone of transactional banking? This opportunity is ideal for a technically strong specialist who enjoys problem-solving, client interaction, and working behind the scenes to keep critical banking channels secure, stable, and scalable. Company and Job Description: A leading financial services organisation is seeking a Transactional Banking Network & API Specialist to provide technical expertise and advanced support across transactional banking channels, including APIs, Host-to-Host integrations, and secure network connectivity . This role offers exposure to complex, high-volume transactional environments , collaboration with specialised network and security teams, and the opportunity to support enterprise clients. Youll play a critical role in ensuring system stability, secure integrations, and exceptional service delivery while working in a regulated, best-practice-driven environment. Key Responsibilities: Provide technical support for transactional banking APIs and Host-to-Host (H2H) integrations , including onboarding, upgrades, certificates, and connectivity troubleshooting Support transactional banking applications to ensure system availability, reliability, and performance Perform root cause analysis , incident investigation, and resolution of recurring system issues Act as second- and third-line support for production incidents , coordinating resolution within agreed SLAs Support secure network connectivity, including firewall rules, encryption protocols, and secure integrations Participate in UAT, release support, and post-implementation handovers Maintain operational documentation and support risk, compliance, and audit requirements Job Experience & Skills Required / Ideal Candidate Profile: Qualification: Degree or Diploma in IT, Information Systems, Cyber Security , or a related field Experience: Minimum 5 years experience in network, application, or production support , preferably within banking or financial services Hands-on experience supporting transactional banking channels , APIs, or Host-to-Host integrations Exposure to incident, problem, and change management in a regulated environment Skills: Strong understanding of network fundamentals , secure connectivity, and cyber security principles Experience with log analysis and troubleshooting (system logs, SQL, firewall logs) Ability to extract and analyse data to support incident resolution Strong stakeholder communication skills with the ability to translate technical concepts for non-technical audiences Exposure to scripting or automation (SQL, Python, or batch scripting) advantageous Certifications (Advantageous): Cisco CCT or CCNA Apply now! For more exciting IT and Financial Services vacancies, please visit: