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Infrastructure Architect

Infrastructure Architect

Tower GroupCape Town, South Africa
20 hours ago
Job description

Key Responsibilities

Infrastructure Architecture & Planning

  • Define and maintain the target-state infrastructure architecture across data centres, cloud platforms, and edge environments.
  • Lead the roadmap for infrastructure modernization including virtualization, hyperconverged systems, containerization, and network overlays.
  • Establish infrastructure patterns and blueprints for compute, storage, backup, disaster recovery (DR), and network architectures.
  • Align infrastructure strategy with enterprise architecture principles, performance objectives, and service-level agreements (SLAs).

Cloud and Hybrid Enablement

  • Drive hybrid and multi-cloud architecture strategy across AWS, Azure, and private cloud (e.g. OpenStack, VMware).
  • Architect secure, compliant infrastructure-as-code pipelines, integrating Terraform, Ansible, or similar tools.
  • Guide cloud landing zone design, VPC architecture, identity federation, and interconnect strategies.
  • Ensure observability, cost governance, and elasticity in cloud-native workloads.
  • Security, Resilience & Compliance

  • Embed security-by-design principles into infrastructure blueprints, including micro segmentation, encryption and zero-trust access.
  • Architect HA / DR solutions across critical systems, ensuring geographic redundancy and failover readiness.
  • Ensure infrastructure compliance with PCI-DSS, ISO 27001, and local regulatory requirements.
  • Support infrastructure risk assessments and penetration testing preparation.
  • Governance & Collaboration

  • Participate in Architecture Review Boards to assess infrastructure impact and conformance to strategy.
  • Collaborate with DevOps, SRE, security, and operations teams to promote infrastructure reliability and automation.
  • Engage with vendors, cloud providers, and technology partners for capability assessment and solutioning.
  • Produce and maintain infrastructure architecture documentation, standards, and runbooks.
  • Key performance indicators

    Infrastructure Strategy & Alignment

  • Deliver infrastructure blueprint aligned to EA target architecture within 90 days.
  • Define scalable deployment topologies for critical systems (e.g., mobile money platforms, APIs, microservices clusters).
  • Champion use of infrastructure blueprints and reusable templates to reduce config drift and accelerate onboarding.
  • Cloud Modernization & Optimization

  • Enable at least 3 legacy workloads for cloud readiness with full infra-as-code deployment.
  • Design secure, multi-cloud landing zones with federated identity, policy enforcement, and network segmentation.
  • Develop migration playbooks and automated cutover strategies to enable safe cloud transitions.
  • Resilience, DR, Security & Observability

  • Deploy observability and automation across ?60% of critical systems.
  • Establish platform SLAs and work with Tech Ops to monitor, improve uptime and performance.
  • Ensure all infra configs comply with internal baselines and pass automated security scans.
  • Integrate infra security with SIEM, SOAR, and vulnerability tools in collaboration with cybersecurity teams.
  • Technical Experience :

    Essential :

  • 8+ years in infrastructure or cloud architecture roles in high-availability environments.
  • Strong background in data center and cloud network architecture, compute and virtualization, storage and backup, hybrid cloud design, IaC and automation, CI / CD and infrastructure observability.
  • Experience with platform engineering, service mesh, and secure enclave deployment.
  • Familiarity with Fintech or payments-grade infrastructure standards.
  • Clear understanding of layered security, zero trust, and identity federation.
  • Demonstrated hands-on experience architecting Infrastructure : Hybrid / multi-cloud architectures (AWS, Azure, GCP), container orchestration (Kubernetes), IaaS / PaaS adoption models.
  • Deep understanding of architectural implications for regulatory compliance frameworks (e.g., PCI-DSS, GDPR, ISO 27001).
  • Experience integrating Zero Trust Architecture, identity management (OAuth2, OpenID, SAML), and encryption protocols into enterprise design.
  • Familiarity with architecture risk assessments, threat modelling, and secure-by-design principles.
  • Strong experience in designing high traffic, scalable, reliable, and secure infrastructure.
  • Understanding of cloud architecture and services (e.g., serverless computing, containerization, orchestration).
  • Experience leading or supporting large-scale modernization or transformation programs (e.g., core banking revamp, mobile money overhaul, ERP replacement).
  • Desirable :

  • Kubernetes cluster design and day-to-day operations experience.
  • Experience integrating 3rd-party observability platforms (e.g., Datadog, Splunk).
  • Exposure to edge computing, CDN integration, and mobile backend scaling strategies.
  • Cloud certification (e.g., AWS Certified Solutions Architect, Azure Architect Expert).
  • Experience of continuous delivery and release automation processes.
  • Knowledge and interest in market leading Payments technologies, suppliers and innovations
  • Understanding of technical and architectural policies and ability to transform that policy into detailed technical design.
  • Experience in Vendor assessment and technical due diligence for major platform selections.
  • Desirable technical / professional qualifications :

    Educational Qualifications :

  • Bachelor’s or Master’s degree in computer science, Information Systems, Network Engineering, or related field, or equivalent work experience.
  • 8 years technical background inclusive of infrastructure architecture experience
  • Domain experience in Financial Services and Financial technologies will be an added advantage
  • Has demonstrable knowledge and experience in both Agile and Waterfall methodologies
  • Budget owned : None

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