Senior Engineer

4 days ago

Nairobi, Nairobi Area, Kenya Boardroom Appointments Full time 120,000 - 240,000 per year


Senior Engineer - Ghana 

Qualifications & Experience

  • BSc in Computer Science / Information Technology

  • 5-8+ years experience as a Systems Administrator

  • SQL Certification (advantageous)

  • Project Management Certification (recommended)

  • Experience administering MS Windows Server environments

  • Experience with EFT & eCommerce payment systems

  • Proficient with ACIs Postilion EFT Transaction Switch suite:

    • Real-Time Framework (v4.x & 5.x)

    • Post Office, PostCard, Portal, TermApp, Postilion Active-Active

  • Knowledge of payment card tech (EMV, magnetic stripe, contactless)

  • Understanding of card types (debit, credit, pre-paid, gift cards)

  • Knowledge of Hardware Security Modules

  • Experience with Postilion upgrades, migrations, monitoring, maintenance

  • Strong understanding of ATM, POS & mobile transaction flows

  • Familiar with PCI DSS, PA DSS & ISO8583 protocol

  • Knowledge of 3rd party interfaces (Visa, Mastercard, UPI, Bankserv, etc.)

Key Responsibilities
System Configuration, Monitoring & Support
  • Maintain and configure Postilion EFT systems
  • Ensure SLA uptime targets are met
  • Implement system changes under change control
  • Monitor production systems and respond to alerts
  • Manage EFT software installations and fault call allocations
  • Define operational routines and service metrics
  • Conduct routine audits and system maintenance
System Release & Testing
  • Test and validate new system releases and updates
  • Ensure accuracy of release/upgrade testing
Security Compliance
  • Ensure full PCI and security task compliance
  • Execute recurring security tasks (e.g. encryption key changes)
Cross-Functional Support
  • Resolve customer queries and provide technical support
  • Assist operations with environment prep for patching
  • Specify, test, and implement new systems or upgrades
  • Conduct disaster recovery planning and testing
Documentation & Capacity Planning
  • Maintain up-to-date technical and DR documentation
  • Forecast and plan system capacity accurately
Quality Assurance & Supervision
  • Align test strategies with Postilion changes
  • Supervise and QA junior engineer work
Client Communication
  • Establish technical communication with clients
  • Provide clear and timely management/client feedback
Way of Work
  • Ensure proper formatting, spelling, and professionalism in all documents
  • Adhere to approval processes and meet all deadlines
Time-Sheet Management
  • Track time in Jira (Tempo), 8 hrs/day average
  • Use accurate project codes
Business Risk Management

  • Comply with company policies and procedures

  • Complete all mandatory training

  • Proactively raise business risks to manager


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