Referso Jobs

Design, deploy, and manage PCF foundations in enterprise environments
Perform platform installation, upgrades, patching, and lifecycle management using BOSH and Platform Automation
Configure and manage Cloud Foundry organizations, spaces, security policies, and governance standards
Drive Proof of Concepts (PoCs), architecture reviews, and platform modernization initiatives
Develop and maintain CI/CD pipelines using Concourse and DevOps best practices

Skills

PCF VMware Tanzu Cloud Foundry BOSH CLI Ops Manager Platform Automation Concourse Terraform Ansible Chef Puppet AWS Hybrid Cloud VMware Infrastructure vSphere NSX-T Linux/Unix Administration

Benefits

Competitive pay
Healthcare insurance (Dental, Medical, Vision)
Major holidays
Paid sick leave as per state law

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SOLUTION / SYSTEM ARCHITECT

Atos SE · Posted Nov 5, 2026

Open

Warsaw, Mazovia, Poland
Full-time · Senior

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Hands-on Solution / System Architect joining the Application Management team for a public sector project. Responsible for turning vendor documentation into secure reliable infrastructure solutions and leading engineers.

Responsibilities

Turn vendor documentation into Low-Level Designs and Connectivity Matrices and identify gaps before implementation.
Design architecture changes, green-field installations with data migration, and Kubernetes / VMware Tanzu platforms integrated with Oracle WebLogic and OSB.
Verify connectivity, certificates and authentication hands-on and troubleshoot technical issues with partner teams.
Design secure and reliable solutions and present architectural decisions to the client's security team.
Maintain relevant architecture and security documentation.

Requirements

Nice to have: Python
Nice to have: Experience working with EU institutions
Nice to have: Complex multi-contractor environments
Nice to have: ITIL knowledge or certification
Nice to have: CKA certification

Skills

EU citizenship Polish at C1/C2 level Fluent English Oracle WebLogic Server 12c/14c

System Admin M-Pesa IT Infrastructure 1

Vodafone · Posted Nov 5, 2026

Open

Dar es Salaam, Tanzania
Hybrid
Mid
3–5 years

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Manage and maintain M-Pesa infrastructure platforms, ensuring high availability, operational stability, disaster recovery readiness, infrastructure lifecycle compliance, incident management, and effective delivery of infrastructure projects and support services for critical digital financial systems.

Responsibilities

Operate and maintain M-Pesa platform infrastructure
Manage operating system lifecycle and vulnerability management
Lead change and release management
Handle incident and problem management
Ensure access security and compliance

Requirements

Bachelor's Degree in Computer Science
Bachelor's Degree in Information Technology
Bachelor's Degree in Computer Engineering
Bachelor's Degree in Telecommunications Engineering
Bachelor's Degree in Information Systems

Skills

Infrastructure Operations Management Linux System Administration (Red Hat)Incident & Problem Management Disaster Recovery & Business Continuity Change & Release Management

Senior Oracle Middleware DevOps Engineer

Atos SE · Posted Nov 5, 2026

Open

Wroclaw, Lower Silesia, Poland
Senior

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Join Atos as a Senior Oracle Middleware DevOps Engineer and become part of a cross-functional, international team developing and supporting a large-scale communication platform.

Responsibilities

Develop and maintain automation scripts using Groovy, Python and Bash for platform installation, configuration and deployment.
Install, configure and administer Oracle Middleware products, Java EE application servers and integration platforms.
Develop solutions based on commercial off-the-shelf products and create custom components using Java and other technologies when required.
Support and administer Linux-based environments, including development and test platforms.
Troubleshoot complex platform issues and resolve incidents as part of the 3rd line support team.

Requirements

Nice to have: Java development
Nice to have: Axway Gateway
Nice to have: Ansible
Nice to have: Terraform
Nice to have: Enterprise Integration Patterns

Skills

Oracle Middleware Oracle SOA Suite Oracle Identity Manager Oracle Service Bus

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