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Upstream
Upstream
201 – 500 Employees
H1B Visa SponsorMarketingTelecommunications
Upstream develops mobile marketing automation solutions for businesses focused on customer acquisition, engagement, and retention. Its Grow platform supports triggered and broadcast messaging, contact collection, and cross-channel customer journeys, helping brands improve how they connect with mobile audiences. The company works particularly with eCommerce businesses and mobile operators, providing tools designed to turn visitor interactions into stronger customer relationships and more effective marketing campaigns.
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Senior DevOps Engineer at Upstream, Hybrid in Greece

Upstream is hiring a Senior DevOps Engineer to build cloud infrastructure, Kubernetes platforms, and deployment automation. The role supports highly available systems across on-premises and cloud environments.

GRGreeceHybridFull-timeSeniorEnglish RequiredDevOps Engineer
AnsibleAWSAzureCassandraCloudDockerElasticSearchGoGrafanaJavaJenkinsKubernetesLinuxNoSQLPHPPostgresPrometheusPythonRedisTerraformVMware

Description

  • Shape artifact and container deployment strategies
  • Maintain and advance the immutable deployment platform
  • Build applications and tooling in Python and Go
  • Design high-volume, low-latency systems for mission-critical workloads
  • Implement on-premises and cloud infrastructure with VMware, AWS, and Azure
  • Improve cloud infrastructure cost efficiency, performance, and scalability
  • Create and deploy Infrastructure as Code with Ansible and Terraform
  • Diagnose system performance, connectivity, and security problems
  • Execute infrastructure upgrades, patching, and security hardening
  • Build CI/CD pipelines with Jenkins, GitLab CI/CD, or comparable tools
  • Enable local, Kubernetes, and cloud image build and deployment workflows
  • Support platforms using Java, Python, Go, PHP, and other technologies with Upstream engineers
  • Track performance, availability, and security across infrastructure environments
  • Automate deployments and consolidate platform metrics, reporting, and monitoring

Requirements

  • At least five years of hands-on experience in DevOps, systems infrastructure, or a related engineering field
  • Strong programming experience with Python, Go, and other languages
  • Experience administering Linux systems
  • Practical experience with Docker, Kubernetes, container-optimized operating systems, and cloud virtualization platforms
  • Experience designing and building tools and infrastructure for AWS, Azure, or comparable cloud platforms
  • Advanced knowledge of Ansible, Terraform, Helm, Jenkins, GitLab, Grafana, Prometheus, Loki, and related DevOps tools
  • Operational experience supporting cross-functional teams, maximizing availability, and resolving incidents through deep technical troubleshooting
  • Practical experience with VMware vCenter, cluster administration, and virtualized infrastructure
  • Hands-on experience managing bare-metal fleets, enterprise storage, and SAN networking equipment
  • Strong experience with PostgreSQL and NoSQL systems such as Redis, Elasticsearch, Couchbase, and Cassandra
  • Excellent written and verbal communication skills
  • Willingness to learn new technologies

Benefits

  • Base salary and benefits are determined directly by the candidate’s qualifications and skills
  • A dynamic, collaborative, agile, and highly motivated team
  • Equal-opportunity employment
  • Reasonable accommodations for employees with disabilities

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