Linux Administrator Jobs in Missouri (NOW HIRING)

Overview Abile Group has an exciting and challenging opportunity for a Linux Systems Engineer on a 10 year contract providing User Facing and Data Center Services supporting an Intelligence Community customer. All the personnel on the team will work together to support innovative design, engineering, procurement, implementation, operations, sustainment and disposal of user facing and data center information technology (IT) services on multiple networks and security domains, at multiple locations worldwide, to support the IC mission. The right candidate will possess the below skills and qualifications and be ready to handle all responsibilities independently and professionally. Responsibilities * Designs, implements, and maintains enterprise Linux-based infrastructure in both on-premises and virtualized environments. * Administers, maintains, and optimizes Nutanix hyperconverged infrastructure (HCI), including AHV, Prism Central, and Prism Element, to support enterprise Linux workloads. * Collaborates with infrastructure teams to provision, configure, and manage virtual machines, storage, networking, and cluster resources within Nutanix environments. * Develops and maintains automation solutions using Ansible and scripting languages (e.g., Bash, Python). * Standardizes system configuration, patching, and deployment processes through Infrastructure-as-Code practices. * Administers and supports Red Hat ecosystem tools, including Satellite and Capsule. * Integrates and manages authentication and authorization mechanisms (e.g., OAuth, SSO, identity providers). * Supports the development of dashboards and observability solutions using tools such as Grafana and Zabbix. * Monitors, troubleshoots, and optimizes Linux systems and Nutanix infrastructure for performance, availability, and capacity. * Troubleshoots complex system, virtualization, storage, networking, and integration issues across distributed environments. * Collaborates with cross-functional teams to improve system reliability, scalability, security, and operational efficiency. * Documents system architecture, processes, automation workflows, and infrastructure standards. * Contributes to continuous improvement initiatives, including automation maturity, platform modernization, and operational best practices. Qualifications Clearance Required: TS/SCI with eligibility to obtain CI poly. Degree and Years of Experience: Bachelor's Degree in Computer Science, Engineering, or a related technical discipline, or the equivalent combination of education, technical training, or work/military experience. * 5+ years of experience administering and engineering Linux systems in enterprise environments, including experience supporting enterprise virtualization platforms such as Nutanix. Required Skills: * Solid understanding of Linux system administration fundamentals (networking, storage, security, and OS internals). * Strong expertise in configuration management and automation using Ansible. * Proficiency in scripting (Bash, Python, or similar) for automation and tooling. * Experience managing Red Hat-based environments (RHEL, Satellite, Capsule, or similar tools). * Hands-on experience administering Nutanix HCI environments, including AHV, Prism Central, Prism Element, virtual machine lifecycle management, storage, networking, and cluster operations. * Experience deploying, managing, and troubleshooting Linux virtual machines in Nutanix environments. * Understanding of virtualization, hypervisor technologies, storage, and networking concepts. * Experience troubleshooting complex infrastructure, virtualization, and performance issues. * Experience implementing security best practices in Linux environments. * Experience with monitoring and alerting systems. * Strong problem-solving skills and ability to work independently. Desired Skills: * Experience with Nutanix advanced capabilities such as Files, Objects, Flow, Calm, or Disaster Recovery. * Experience with Nutanix automation using APIs, PowerShell, or Infrastructure-as-Code tools. * Experience with load balancing devices such as HAProxy or F5. * Familiarity with authentication and authorization concepts (e.g., OAuth, LDAP, SSO). * Experience with observability and dashboarding tools such as Grafana and Zabbix. * Familiarity with containerization technologies (Docker, Kubernetes). * Knowledge of CI/CD pipelines and integration with infrastructure automation. * Experience with VMware-to-Nutanix migration or hybrid virtualization environments. * Strong communication and documentation skills. About Abile Group, Inc. Abile Group, founded in July 2004 to support the Intelligence Community and its contractors across Enterprise Analytics, IT & Systems Engineering, and Program & Project Management, merged with Valiant Solutions in January 2026 - an established provider of cybersecurity technologies and services for Federal Agencies since 2005. Together, this partnership creates a stronger, more integrated cybersecurity organization with expanded opportunities for employees, deeper technical collaboration, and a unified mission. With significant experience serving the Federal Government, we remain dedicated to our employees and clients and seek high‑performing professionals who excel at providing guidance, developing solutions, and delivering implementation support that blends industry best practices with client expertise and Abile's broad technical capabilities. Hiring Statement Abile is committed to hiring the most qualified and best fit person for the job - always has, always will. Anyone requiring reasonable accommodations should email with requested details. A member of the HR team will respond to your request within 2 business days. Please review our current job openings and apply for the positions you believe may be a fit. If you are not an immediate fit, we will also keep your resume in our database for future opportunities.