DevOps Engineer (Hybrid Cloud & Sysadmin Role)

This is a hybrid Sysadmin & DevOps role (with focus on DevOps) that supports our client's both internal and public-facing infrastructure. The ideal candidate is comfortable working across cloud infrastructure, Kubernetes deployments, automation pipelines, and some traditional system administration tasks. You’ll be the go-to person for managing deployments, upgrading and securing VMs, handling certificate renewals, and supporting a mix of cloud-native and legacy systems.

Responsibilities

Manage and upgrade Kubernetes clusters on Azure (AKS ) — deploy and maintain internal and public-facing applications, including Kafka.

Automate deployment workflows using GitHub Actions and other CI / CD tools.

Perform classical system administration tasks on Linux (Ubuntu) and Windows VMs, including :

OS updates (periodic patching, security hardening)

Rightsizing and optimizing resource usage (turning off unused VMs, scaling Kubernetes pods)

Managing certificates for authentication and secure communication.

Support monitoring and alerting platforms (Datadog) , assist with migrating additional systems onto Datadog.

Assist with updating GeoServer-based applications — this is a nice-to-have

Collaborate with multiple developer teams who currently manage their own deployments and infrastructure.

You might be the perfect match if you possess the following competencies :

7+ years of commercial experience in a DevOps role ; some system administration experience or willingness to take on sysadmin responsibilities is a strong plus

Solid experience with Kubernetes and Azure Kubernetes Service (AKS) in production environments

Hands-on experience building and managing CI / CD pipelines , preferably with GitHub Actions / workflows

Familiarity with Kafka, Debezium , or similar event streaming platforms

Prior exposure to Datadog monitoring and alerting platform

Comfortable managing cloud infrastructure in Azure , including VMs, networking, security hardening, and rightsizing resources

Ability to perform both automation tasks and manual system interventions as needed

Basic scripting / automation skills with Bash , PowerShell , or similar languages

Excellent communication skills in English

Location within Poland or other EU countries

Nice to have :

Strong Linux sysadmin experience (Ubuntu preferred)

Exposure to GeoServer or other geospatial software (not mandatory)

Experience managing Windows servers , including IIS and certificate renewals

By joining Holisticon Insight you will get :

• Life insurance
• Multisport card
• Fully remote job
• Private medical care
• Flexible working hours
• B2B or contract of employment
• Amazing integration events on a regular basis
• Training budget (e.g. Microsoft Azure Certifications)
• Opportunity to impact our company culture build-up
• Work equipment (laptop, 2 monitors, and accessories)

Our recruitment process consists of the following steps :

You will earn :