Ona is a social enterprise that builds the data infrastructure to drive change. We believe technology affords new opportunities for governments and development organizations to be increasingly data driven, collaborative and accountable. Our goal is never simply to build a great product, but to support great outcomes.
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Security Engineer

  • Job TypeFull Time
  • QualificationBA/BSc/HND
  • Experience3 years
  • LocationNairobi
  • Job FieldICT / Computer 


There’s no such thing as a “safe system” – only safer systems. Our Site Reliability Engineering team works to create and maintain the safest operating environment for Ona’s users and developers. 

Key role and responsibilities

  • As a Security Engineer, you will write code to protect network boundaries, keep computer systems and network devices hardened against attacks.
  • Write code for our deployment systems that actively monitors our systems for attacks and intrusions. 
  • Also work with software engineers to proactively identify and fix security flaws and vulnerabilities.
  • This role will report to the Site Reliability Engineering team.

Key requirements


  • Bachelor’s degree or equivalent practical experience.
  • Some experience analyzing the security of systems (at least one of penetration testing, Web Application security testing, vulnerability scanning, threat modeling, etc).
  • Experience with concepts and practices such as data anonymization and classification, auditing access to data, and review of requests for data access.
  • Experience in responding to security problems in target-rich environments, looking at security alerts, front-line analysis and response.
  • Experience coding/scripting in one or more general purpose languages including but not limited to: Java, C/C++, C#, Objective C, Python, JavaScript and/or Go.
  • 3 years of experience in this or a related role


  • Experience with developing or analyzing Android applications
  • Code maintenance and review experience in one or more general purpose languages.
  • Understanding of technical privacy issues (cookie management, encryption), and experience with the software development lifecycle.

Method of Application

Please send the following: 

  • Note describing why you are interested in working for Ona. 
  • Current resume.
  • Portfolio  of your work e.g  a link link to your GitHub page, projects you’ve completed, or your website.
  • (Bonus points) Build something cool using our API, or extend some software we’ve written.

Note we will only contact shortlisted candidates.

Interested and qualified? Go to Ona on to apply