Alhaji Suma L.

About Alhaji Suma L.

Senior Linux System Engineer | Site Reliability Engineer | DevOps Specialist | Red Hat Certified Engineer | Kubernetes | AWS | Automation | Security | Infrastructure as Code I am a results-driven Linux System Engineer with over 12 years of hands-on experience in managing, securing, and optimizing enterprise-level Linux environments. My core expertise spans RHEL, Kubernetes, Docker, Ansible, Terraform, and a broad range of cloud and DevOps tools. I specialize in infrastructure automation, container orchestration, system performance tuning, and enterprise security. At companies like Verisign Inc, I have led key initiatives in Red Hat Identity Management, CI/CD pipeline automation, container platform administration, and compliance-driven monitoring—delivering scalable and resilient solutions in mission-critical environments. I’ve worked across RHEL, AIX, and Solaris platforms, supporting physical, virtual, and cloud infrastructures. Passionate about continuous improvement, I stay ahead of industry trends and actively integrate emerging technologies to increase efficiency and reduce system downtime. My ability to collaborate across technical and non-technical teams has made me a trusted resource in delivering high-impact IT solutions. Let\'s connect if you\'re interested in system reliability, infrastructure automation, cloud architecture, or modern DevOps practices.

Experience

1. Site Reliability Engineer Iii

   VERISIGN

   Jan 2020 — Present · Reston, VA, US

   Engineer enterprise-wide Linux platforms by automating patching, upgrades, and compliance with Ansible/Terraform, cutting patch cycles by 70% and meeting federal/NIST standards. Drive proactive capacity planning and performance tuning across 500+ servers, reducing downtime by 40% and ensuring high availability. Lead Kubernetes adoption (OpenShift, RKE2, kubeadm), migrating workloads to compliant clusters and improving deployment reliability by 30%. Build Splunk dashboards and alerts to detect anomalies in minutes instead of hours, lowering MTTR by 35%. Automate vulnerability remediation workflows with Nessus + Ansible, reducing open vulnerabilities by 50% and strengthening security posture. Direct DNS, DHCP, and SSL/TLS modernization, eliminating certificate outages and securing missioncritical services. Partner with DevOps to optimize CI/CD pipelines using Jenkins, GitOps (ArgoCD, Flux), and Ansible Automation Platform, accelerating release cycles by 40%. Mentor junior engineers on automation, troubleshooting, and compliance, improving team onboarding efficiency by 30%. Lead incident response, RCA, and post-mortems, delivering corrective actions that improve system resilience and reduce recurring issues by 25%. Align IT operations with SOC2, ISO 27001, and NIST 800-53 frameworks, ensuring governance, audit readiness, and enterprise compliance.

Education

• University of Sierra Leone, Fourah Bay College

  Bachelor of Science - BS