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Defensive Security Engineer

Zone

Zone

Lagos, Nigeria
Posted on Mar 11, 2026
  • Identify vulnerabilities and potential exposure across enterprise networks, systems, and applications through continuous security assessments.

  • Conduct technical and non-technical risk assessments of technology environments, including local systems, network infrastructure, application environments, and supporting services.

  • Evaluate the effectiveness of existing security controls and recommend improvements to strengthen the organization’s security posture.

  • Provide actionable recommendations on cost-effective security controls to mitigate risks and protect information, systems, and business processes.

  • Produce technical documentation, incident reports, investigation summaries, and security findings to support situational awareness and informed decision-making.

  • Perform authorized security testing and vulnerability assessments on enterprise network assets and applications.

  • Conduct security reviews for new or updated applications to ensure compliance with secure development and deployment standards.

  • Continuously monitor and review system security status to ensure risks remain within acceptable thresholds.

  • Develop recommendations for strengthening defensive controls based on assessment and testing results.

  • Design and facilitate cybersecurity tabletop exercises to test incident response preparedness and improve team coordination.

  • Collaborate with security operations teams to develop and improve security alerts and detection capabilities.

  • Analyze threat trends to identify Indicators of Compromise (IOCs) and emerging threat patterns.

  • Conduct proactive threat hunting to detect suspicious activity and uncover hidden threats within the environment.

  • Identify control gaps that could allow threats to enter or move within the network.

  • Support the design and development of security tools, technologies, and automation to enhance defensive capabilities.

  • Develop and implement cybersecurity countermeasures and risk mitigation strategies for systems and applications.

  • Evaluate internally developed security tools to ensure effectiveness and operational readiness.

  • Assess system features and configurations to identify opportunities for strengthening security controls and improving resilience.

  • Perform security analysis of infrastructure components to identify weaknesses and areas for improvement.

  • Review wireless and network security configurations to ensure they meet security best practices.

  • Analyze security incidents and malicious activity to understand attack methods, exploited weaknesses, and potential impacts on systems and information.


  • Requirements

    What will you bring?
    • Bachelor's Degree in Computer Science, Information Technology, Electrical & Electronic Engineering, or a related discipline from a reputable university
    • 3 years experience in a similar role, preferably in a Fin-tech
    • Planning, organization, & problem-solving skills

    Benefits

    Qore provides the rare opportunity to make history in the financial space for Africa by Africans, while working with the smartest, brightest & coolest minds in Africa. Our people & culture team continuously thinks of innovative ways to improve employee experience and some of the other benefits of working with Qore includes:

    • Very Competitive & Rewarding Pay
    • Flexible work option (Remote)
    • Paid Lunch for onsite work
    • Lifelong Learnings