Hybrid SRE: OpenShift on AWS & Database Reliability

Persistent Systems; Województwo małopolskie; Hybrid; PLN 300,000 - 420,000; Full time

Benefits offered by this job

Flexible work hours

Company-sponsored higher education and

Long Service awards

Accessible office

Job summary

Persistent Systems is seeking a highly skilled Site Reliability Engineer to own the MAS Dedicated stack on OpenShift on AWS (ROSA) in Krakow. The role focuses on reliability, performance, and scalability of our platform, with hybrid work and a path to advanced certs.

The ideal candidate will bring deep cloud, container orchestration, and database management expertise, plus a proactive, security-conscious mindset for ongoing improvement.

Qualifications

• 5–10 years of SRE/DevOps experience in enterprise environments.
• Strong Kubernetes/OpenShift and cloud infrastructure knowledge.
• Experience in database administration (Db2/Oracle).

Responsibilities

• Monitor OpenShift cluster, MAS pods, Db2 and endpoints; manage SLOs and alerts.
• Automate upgrades, certificate rotation, backups, and DR processes.
• Tune JVM, resources, and DB performance for large asset volumes.
• Manage AWS networking, storage, scaling, and security hardening.

Skills

OpenShift/Kubernetes proficiency

Linux expertise

Monitoring capabilities

IaC knowledge

Cloud infrastructure understanding

MAS administration experience

Tools

OpenShift

Kubernetes

AWS ROSA

VPC

Cloud Object Storage (COS)

Terraform

Ansible

Helm

Db2

Oracle

Linux tooling

Job description

Persistent Systems is seeking a highly skilled Site Reliability Engineer to own the MAS Dedicated stack on OpenShift on AWS (ROSA) in Krakow. The role focuses on reliability, performance, and scalability of our platform, with hybrid work and a path to advanced certs.

The ideal candidate will bring deep cloud, container orchestration, and database management expertise, plus a proactive, security-conscious mindset for ongoing improvement.