Halogen Security Company Limited was incorporated in July 1992 as a Private Limited Liability Company and granted license to operate in November of the same year to fill-in for yawning gap in quality security guard service in Nigeria. The company started business immediately and showed from inception that it was poised to revolutionize security services in the country, which has resulted in making us the leading security services provider in the nation. Having been in operation for over twenty years, we have been able to attract and retain several select clients some of whom we even retain from inception until date. We have acquired vast experience in virtually all facets of security and protection of lives and property.
Job Summary
- The DevOps Engineer is responsible for managing and optimizing both on-premises and cloud infrastructure environments to ensure efficient CI/CD automation, system reliability, and seamless deployments. The jobholder will maintain and enhance Kubernetes clusters, IIS applications, and Azure DevOps pipelines while ensuring compliance with best practices in networking, security, and infrastructure management. The role requires collaboration with IT and security teams to drive operational excellence and support the company’s technology transformation goals.
Key Accountabilities
- CI/CD Management: Manage and maintain CI/CD pipelines in Azure DevOps for on-premises and cloud-based workloads, ensuring continuous integration and smooth deployment processes.
- Infrastructure Management: Administer and optimize on-prem Kubernetes clusters and containerized workloads to support system scalability, reliability, and performance.
- Application Deployment: Deploy, configure, and manage IIS-hosted .NET and PHP applications, ensuring high availability and security compliance.
- Automation & Configuration: Automate infrastructure provisioning and configuration using Terraform, Ansible, or PowerShell to enhance operational efficiency and consistency.
- Monitoring & Performance: Monitor infrastructure performance, availability, and security compliance using industry-standard tools such as Grafana, Prometheus, or ELK.
- Network & Security Collaboration: Work closely with IT and security teams to manage network configurations, VPNs, firewalls, and access controls.
- Infrastructure Projects: Contribute to key infrastructure projects including migrations, upgrades, and scaling of systems to meet business demands.
- Documentation: Maintain detailed documentation of system configurations, processes, and operational standards for continuous improvement and knowledge sharing.
Requirements
- 3–5 years of hands-on DevOps or infrastructure experience.
- Proficiency with Azure DevOps, Git, and CI/CD best practices.
- Experience managing Kubernetes clusters (on-prem preferred) and Docker.
- Strong background in Windows Server, IIS, and deployment automation.
- Working knowledge of networking concepts, VPNs, firewalls, and load balancers.
- Familiarity with Terraform, Ansible, or PowerShell scripting.
- Understanding of monitoring tools (Grafana, Prometheus, or ELK).
Preferred
- Experience managing hybrid environments (Azure + on-premises).
- Exposure to backup, disaster recovery, and business continuity strategies.
Method of Application
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