• Operate, maintain, and continuously improve OpenShift-based platform infrastructure, ensuring stability, performance, and availability. • Manage GitOps deployments through ArgoCD and support the CI/CD ecosystem, including Bitbucket, Nexus, and Harbor. • Investigate and resolve complex platform, networking, and application issues, performing Root Cause Analysis to prevent recurring incidents. • Support HashiCorp Vault, container platforms, and infrastructure automation using PowerShell. • Partner with development, infrastructure, security, and database teams to deliver reliable and scalable platform services. • Collaborate with customer stakeholders and internal teams in German and English.

Role Description The DevOps Engineer / Linux Administrator supports and enhances enterprise Linux environments through automation, infrastructure management, CI/CD pipeline development, and system administration. This role is responsible for maintaining secure, reliable, and scalable Linux-based platforms while partnering with development, security, and operations teams to improve deployment efficiency, system performance, and operational stability. Key Responsibilities - Administer, maintain, troubleshoot, and optimize enterprise Linux environments. - Perform Linux system logging, auditing, patching, and performance tuning across production and non-production systems. - Develop and maintain automation solutions – including providing scripting – for Linux administration and other applications related processes utilizing Jenkins and Ansible Core. - Troubleshoot and manually find and resolve Linux issues. - Build and set up new development tools and infrastructure utilizing knowledge in continuous integration, operational delivery, deployment management (CI/CD), cloud technologies, container orchestration, and security. - Modify existing software and scripts to correct errors, adapt to new infrastructure requirements, and improve performance. - Analyze user needs and technical requirements to determine the feasibility of design and implementation within time and cost constraints. - Collaborate with developers, engineers, security teams, and other stakeholders to design systems and define interfaces, capabilities, and performance requirements. - Build and test end-to-end CI/CD pipelines to ensure the systems are safe against security threats. - Provide accurate and realistic work effort estimates, commit, and deliver results accordingly. - Create and maintain technical documentation, operational procedures, and knowledge transfer materials. Qualifications - 3+ years of experience implementing, administering, and troubleshooting Linux in an enterprise environment including Linux patching with DNF and YUM. - Strong experience building and supporting CI/CD pipelines using tools. Must have strong working knowledge of Jenkins (groovy), Ansible Core (yaml), GitLab CI/CD, FlexDeploy, or similar technologies. - Strong experience with Ansible and Jenkins. - Strong knowledge of DNS/Networking and networking debugging with packet capture. - Strong scripting knowledge in Python, Bash, Zsh, Ksh, Csh. - Strong configuration management knowledge and experience. - Experience working with REST APIs. - Experience working in secure environments. - Experience in an OCI environment on virtual images. - Strong verbal, written, organizational, and process documentation skills. Preferred Qualifications - Bachelor’s degree in Computer Science, Information Technology, Engineering, or a related field, or equivalent relevant experience. - Strong hands-on experience with Linux administration, including patching with DNF and YUM, logging, auditing, performance tuning, and issue resolution. - Experience with scripting and automation using several of the following: Python, Bash, Zsh, Ksh, or Csh. - Experience working with REST APIs and integrating automation with external systems. - Strong knowledge of DNS, networking fundamentals, and network troubleshooting, including packet capture analysis. - Experience working in secure environments with a strong understanding of operational discipline and system hardening. - Experience with configuration management and infrastructure automation. - Experience supporting Linux systems in OCI environments using virtual images. - Ability to provide accurate effort estimates, manage assigned priorities, and deliver work as committed. - Strong verbal, written, organizational, and technical documentation skills. - Experience supporting Linux platforms in highly regulated or government-secured environments. - Familiarity with container orchestration, cloud-native deployment practices, and secure CI/CD implementations. - Experience building hardened Linux images and supporting secure software delivery pipelines. - Experience partnering across development, operations, and cyber security teams to improve deployment efficiency and platform reliability. - Proven ability to identify process improvement opportunities and implement automation that reduces manual administration. - Secret clearance required. - U.S. citizenship required. - Ability to work remotely. - No travel required.

• Build, maintain and improve CI/CD pipelines using GitHub Actions, Azure DevOps and Octopus Deploy. • Deploy and support applications across development, testing and production environments. • Automate infrastructure and configuration management using Ansible. • Support Windows (IIS/ARR) and Linux-based environments. • Help operate Kubernetes-hosted applications and modern cloud-native services. • Monitor production systems, investigate incidents and improve platform reliability. • Troubleshoot deployment, infrastructure and application issues. • Work closely with engineering teams to deliver reliable production releases. • Contribute to operational documentation and deployment runbooks.

• Engage with teams and improve service delivery and reliability across their entire lifecycle • Measure and monitor all production systems with an eye towards availability, latency and overall system health • Seek out the cause of errors and instability in our production cloud services and drive teams towards better operational excellence • Engage with product and platform teams to improve and evolve systems by lobbying for changes that improve reliability, resilience, and observability • Help identify and drive down toil with creative innovation and automation • This position will require stand-by, on-call, or off-hours duties