• Install, configure, and maintain Linux servers (CentOS, Ubuntu, Red Hat, etc.) in both physical and virtual environments. • Perform regular system updates, patch management, and kernel upgrades. • Deploy, configure, and manage Linux-based infrastructure in AWS, Azure, OCI, and GCP. • Utilize cloud-native tools and services for monitoring, scaling, and automating Linux workloads • Develop and maintain automation scripts using Bash, Python, and other relevant scripting languages. • Utilize configuration management tools (e.g., Ansible, Puppet, Chef) to automate provisioning and configuration of Linux systems. • Implement and manage monitoring solutions to ensure high availability and performance of Linux systems. • Perform performance tuning and optimization of Linux servers and applications. • Ensure systems comply with organizational and industry security standards. • Conduct regular security audits, vulnerability assessments, and implement remediation strategies. • Perform vulnerability remediation and hardening of servers using DISA STIGs (Security Technical Implementation Guides). • Implement and manage backup and recovery solutions for Linux environments. • Perform regular testing of backup and disaster recovery processes. • Work closely with security teams to support application deployment and troubleshooting. • Provide Tier 2/3 support for Linux-related incidents and service requests. • Participate in on-call rotations

• Administer and maintain Windows Server environments, Active Directory, and Microsoft 365 • Monitor system performance and carry out routine maintenance and patching • Manage backup, disaster recovery, and business continuity procedures • Configure and maintain network infrastructure including firewalls, switches, and VPNs • Support IT projects including system migrations and infrastructure upgrades

• Report to the Global Accounting Compliance Controller • Maintain and manage the Onestream system • Ensure integrity, performance, and reliability of the system • Troubleshoot and resolve system issues • Support end users and drive enhancements • Contribute to continuous improvement of financial control and reporting processes • Leverage automation and AI capabilities within Onestream • Produce documentation and develop user training

Role Description We are seeking a highly skilled OpenShift Systems Engineer with 8+ years of experience to join our Specialized Services team supporting NASA's Office of Strategic Infrastructure (OSI), Facilities and Real Estate Division (FRED) IT organization. This role supports an enterprise environment utilizing Red Hat OpenShift to host the IBM Maximo Application Suite (MAS) and integrates with IBM Storage Fusion for software-defined storage, backup, and recovery capabilities. The ideal candidate will have deep expertise in OpenShift, Kubernetes, Linux administration, automation, and enterprise infrastructure operations. Key Responsibilities - Administer and maintain Red Hat OpenShift clusters in a production enterprise environment. - Deploy, manage, and troubleshoot applications running on OpenShift. - Support Kubernetes infrastructure, including nodes, clusters, resources, services, policies, and integrations. - Apply advanced Linux administration skills, including scripting, troubleshooting, performance tuning, and system optimization. - Support backup and recovery operations, disaster recovery (DR), upgrades, patching, and ongoing platform reliability. - Collaborate with networking and infrastructure teams to implement, optimize, troubleshoot, and maintain hosting environments. - Manage DNS, load balancing, routing, firewall requests, and network connectivity. - Administer TLS/SSL certificates and certificate lifecycle management. - Implement and maintain monitoring solutions using Prometheus and Grafana. - Configure alerting, performance monitoring, and capacity planning capabilities. - Support centralized logging and analytics through Splunk log forwarding and management. - Perform system patching and vulnerability remediation. - Apply security hardening and SSL configuration best practices. - Manage certificates and PKI requirements. - Implement and support Zero Trust security principles. - Ensure data security for information in transit and at rest. - Administer user and group access controls following least-privilege principles. - Develop and maintain automation solutions using GitOps methodologies and Ansible. - Improve operational efficiency through scripting and infrastructure automation. - Stay current with emerging technologies, industry trends, and OpenShift best practices. - Identify opportunities to improve system performance, reliability, and operational efficiency. Qualifications - Bachelor's degree in Computer Science, Information Systems, Engineering, or a related field. - Minimum of 8 years of experience in OpenShift, Kubernetes, Linux, and/or systems engineering. - Current Red Hat OpenShift Administration Certification, or the ability to obtain certification within six months of employment. - Advanced Linux administration experience, including scripting, system operations, and performance management. - Strong experience administering OpenShift clusters, including application deployment, containerization, enterprise implementations, and troubleshooting. - Experience with Red Hat Advanced Cluster Security (ACS). - Experience with IBM Storage Fusion for software-defined storage, backup, and recovery. - Strong understanding of Kubernetes architecture and concepts. - Experience with container technologies and orchestration platforms. - Proven ability to diagnose and resolve complex OpenShift and infrastructure issues. - Proficiency with scripting languages such as Python for automation and system management. - Strong knowledge of networking concepts, including DNS, load balancing, routing, firewall rules, and security. - Excellent written and verbal communication skills. - Ability to work effectively in a fast-paced, collaborative environment. Preferred Qualifications - Experience with IBM Maximo Application Suite (MAS) and/or IBM TRIRIGA/MREF. - Experience with SQL, ETL processes, and reporting tools such as Cognos, BIRT, or Power BI. - Knowledge of federal cybersecurity, compliance, and IT governance frameworks, including NIST and FISMA. - Familiarity with VMware and NetApp technologies. - Experience with Talend or other ETL platforms. - Experience supporting large-scale federal facilities, asset management, or real estate management programs. Benefits - This is an opportunity to support critical NASA infrastructure initiatives while working with modern cloud-native technologies, enterprise-scale platforms, and a collaborative team dedicated to operational excellence and innovation.