Abdelrahman Mahmoud¶
System Engineer | Red Hat Certified OpenShift Administrator
Profile¶
System Engineer and Red Hat Certified OpenShift Administrator with hands-on experience administering Linux servers, container platforms, and enterprise integration environments. Experienced in operating Red Hat OpenShift and IBM Cloud Pak for Integration (CP4I), managing Docker-based deployments, networking, reverse proxies, SSL/TLS, and CI/CD pipelines, and running identity and access management with Keycloak, LDAP, SSO, OAuth 2.0, and OpenID Connect. A software development background in Java, Spring Boot, PHP, and Laravel supports automation, deep troubleshooting across application, middleware, and infrastructure layers, and close collaboration with development teams. Strong interest in platform reliability, API management, and IBM API Connect.
Skills¶
Professional experience¶
- Develop and maintain integration solutions on IBM Cloud Pak for Integration (CP4I) and IBM API Connect.
- Work with Docker, Linux, reverse proxies, networking, and application deployment environments.
- Integrate enterprise applications with identity and access management using Keycloak, SSO, OAuth 2.0, and OpenID Connect.
- Collaborate across development, infrastructure, and integration teams to troubleshoot application, API, middleware, and deployment issues.
- Design integration architectures, API contracts, and service-to-service communication with a focus on security, reliability, and scalability.
- Design and develop enterprise backend applications and RESTful APIs using Java, Spring Boot, PHP, and Laravel.
- Develop integrations with external services including SMS providers, IoT/access-control systems, and third-party APIs.
- Work with PostgreSQL and relational databases; build modular HR, CRM, Self-Service, and Service Desk modules.
- Administered and supported Linux-based servers, enterprise application environments, and integration platforms.
- Administered IBM Cloud Pak for Integration (CP4I) environments, supporting integration runtime components, deployments, configurations, and operational troubleshooting.
- Managed Docker-based deployments, networking, reverse proxies, SSL/TLS certificates, and service configurations.
- Worked with identity and access management technologies including LDAP, Keycloak, SSO, OAuth 2.0, and OpenID Connect.
- Worked with IBM API Connect for API configuration, lifecycle management, security policies, and application-to-application integrations.
- Designed and supported enterprise integration flows using IBM Integration Bus / App Connect patterns, connecting internal applications, ERP modules, and external services.
- Worked with GitLab CI/CD pipelines and deployment workflows for enterprise applications and integration services.
- Supported system monitoring, incident troubleshooting, platform maintenance, and production operations.
Certificates¶
Selected projects¶
Java / Spring Boot / Angular / PostgreSQL / Keycloak
- Supported deployment and integration of backend services in containerized environments.
- Implemented SSO and centralized identity integration using Keycloak.
- Integrated the platform with SMS providers and IoT/access-control systems; designed integration points between internal modules and external systems.
- Worked on API security, authentication, authorization, and service-to-service communication.
Keycloak / OAuth 2.0 / OpenID Connect / Docker
- Integrated applications with Keycloak for centralized identity and SSO, with secure authentication and authorization flows.
- Designed API contracts and handled request/response transformations.
- Troubleshot connectivity, authentication, and integration failures across distributed systems.
Keycloak Laravel Auth (Keycloak SSO for API and Filament via Socialite), Laravel API Response (fluent API response builder), and bhry98 Laravel Ready (production-ready project starter).
HR Management System (Valleysoft), Taggy and Events System APIs (freelance), and a Maintenance System for Monginis Bakery.