Senior Linux Administrator
About The Position
At ValidaTek, we modernize and optimize IT services to solve some of the most critical challenges facing federal civilian and defense agencies. From customers to partners to top-talent employees, ValidaTek puts people first, empowering them to exceed expectations and transform government organizations. Our success starts and ends with our people, so we built a company where great people can do great things, with the resources and autonomy to make decisions that transform organizations. We operate as one team of diverse people, united by a passion for continuous growth and optimization. Our commitment to quality and performance optimization is the reason why our IT Service Projects and New Development Projects have been appraised at CMMI Maturity Level 5, positioning us as one of a handful of elite companies to receive the highest form of third-party validation. www.validatek.com Summary ValidaTek is seeking a Senior Linux Administrator in Fort Belvoir, VA to support the DTRA I3TS Infrastructure Services team to maintain and optimize the Linux production environment. The candidate will be responsible for sustaining Linux servers as well as the conceptualization, design, development and implementation of new Linux capabilities. The candidate is expected work well as a part of the DTRA Systems Administration team using ITIL best practices as well as work independently on assigned tasks. Candidate is expected to support the entire service lifecycle from design through development to production, building and deploying Linux based systems in a virtual environment.
Requirements
- Bachelors with 8+ years, or MS degree with 4-6 years of experience in IT operations working with Linux servers and Virtualization
- Must hold a Top Secret/SCI Clearance.
- 2-3+ years of Windows Server experience.
- 2-3 years of experience with web server management and implementation; troubleshooting of websites, applications, and security implementations.
- Understanding of virtualized infrastructure, server backup and restoral procedures, application of STIGs and cyber hardening approaches.
- Basic experience with log file analysis
- Basic experience with Red Hat Satellite tool for deploying, configuring, and maintaining Red Hat Enterprise Linux (RHEL) across physical, virtual, and cloud environments.
- Basic understanding of Red Hat, provisioning, and patching, often using Satellite Capsules for distributed content delivery and local services like DHCP/DNS in large or remote setups. It centralizes RHEL management, improving security and efficiency by handling subscription management, content views, and system auditing from a single console.
- Basic understanding of Red Hat command line tools: System Management, Manage RPM packages, and Package Management.
- Certifications: IAT II (8570) Certification
Nice To Haves
- Experience with the following emerging technologies or an equivalent technology: Kubernetes, Open Shift, Containers, GitHub, Ansible Tower
- Open Source: Apache Hadoop, Zookeeper, Puppet
- App Servers: JBoss, Tomcat, Jetty, NGINX, HTTP
- Red Hat Certification - Red Hat Certified System Administrator (RHCSA) (Preferred)
Responsibilities
- Provision servers and environments
- Manage user access
- Maintain servers in virtual environment
- Automation knowledge scripting in Unix shell and Ansible playbooks
- Maintain and improve configuration management templates
- Monitor system performance and respond to alerts
- Establish and maintain NTP services in the production environment
- Maintain satellite servers for the agency, software releases and patches
- Ensure compliance with security standards and practices aligned with DoD STIGs.
- Experience with web servers and use of certificates
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What This Job Offers
Job Type
Full-time
Career Level
Mid Level
Number of Employees
101-250 employees
