### **Did you happen to find this vacancy by chance?** At Nimber, we don’t believe in coincidences. Did it catch your attention? Great. Keep reading. We are **Nimber**, and we’re not just filling positions—we’re building a team ready to make a difference. If you enjoy working with critical systems, high availability, and technology that supports millions of transactions, this could be your moment. Join us, and let’s place the future where it belongs: in the hands of passionate people. ### **But what exactly is Nimber?** In mathematics and game theory, *Nimbers* are numbers with special addition and multiplication properties. Our goal is simple: **to add real value** to our clients’ projects. ### **About Nimber** We are a rapidly growing technology solutions company that helps organizations of all sizes achieve their digital goals. We specialize in **custom software development, cloud solutions, and IT consulting**, supported by experienced, excellence-oriented teams. We are expanding a team dedicated to a **reference client in the banking/payments sector**, and we’re looking for a **Postilion Administrator** to operate in critical, high-availability environments. **Position: Postilion Administrator** --------------------------------------- We’re seeking a **Postilion Administrator** to ensure the operation, monitoring, and stability of payment platforms, guaranteeing high levels of availability, security, and performance. ### **Key Responsibilities** * Administer and maintain the **Postilion** platform (Payment Switch); * Monitor production and non-production environments; * Analyze and resolve incidents and problems in payment systems; * Perform installation, configuration, and upgrade activities for the platform; * Ensure compliance with SLAs, operational procedures, and security requirements; * Collaborate with technical, functional teams, and vendors. ### **What We’re Looking For** * Proven experience as a **Postilion Administrator**; * Solid knowledge of **payment systems** (ATM, POS, Switches); * Experience with **Unix/Linux**; * Strong analytical skills, problem-solving ability, and capacity to perform under pressure. ### **We Value** * Experience in the banking or payments industry; * Knowledge of databases (Oracle, SQL); * Experience in critical and high-availability environments; * Good communication skills and ability to work effectively in a team. ### **What We Offer** * Critical, technologically challenging projects; * **Remote/hybrid work model**, with occasional travel to the office or client site in Portugal; * Continuous mentoring and a structured career development plan; * A collaborative, close-knit, and excellence-oriented environment.