CDIT is a technology solutions company supporting government and national security customers with secure, mission-focused IT solutions. We partner with highly skilled technical professionals to support complex environments where reliability, security, and operational excellence are critical. Our team values technical expertise, collaboration, and a commitment to supporting the missions of our customers.
CDIT is seeking an experienced Senior Linux Systems Administrator / Engineer to support an Intelligence Community-wide mission environment and service. This role will be responsible for the administration, configuration, maintenance, and operational support of Linux-based systems in a highly secure, mission-critical environment. The ideal candidate will bring strong expertise across Linux systems administration, application servers, virtualization, and security, with the ability to troubleshoot complex issues and support both virtual and physical infrastructure across enterprise environments.
- Administer, configure, maintain, and troubleshoot Red Hat Enterprise Linux (RHEL) and CentOS systems.
- Install, configure, maintain, and troubleshoot JBoss and WildFly application server environments.
- Create, configure, administer, and maintain VMware virtual machines.
- Support physical and virtual server infrastructure throughout the system lifecycle.
- Perform system monitoring, troubleshooting, patching, upgrades, and routine maintenance.
- Support system security hardening and compliance requirements within a classified environment.
- Support authentication and access-control technologies.
- Assist with storage and networking configuration and troubleshooting.
- Develop and maintain automation and administrative scripts using Shell and Python.
- Support infrastructure automation activities using Red Hat Ansible.
- Troubleshoot complex system, application, and infrastructure issues.
- Maintain system documentation, procedures, and configuration information.
- Collaborate with application, database, networking, security, and infrastructure teams to support operational requirements.
- Provide after-hours operational support during required weekday evening and weekend shifts.
RequirementsRequired Skills & Qualifications
- 10+ years of Linux Systems Administration/Engineering experience.
- Strong RHEL/CentOS Linux administration experience.
- Extensive JBoss/WildFly installation, configuration, and maintenance experience.
- Hands-on VMware administration experience.
- Current CompTIA Security+ certification.
- Active Top Secret clearance with Full Scope Polygraph (FS Poly).
- Current or recent SYS3 PRIVAC level.
- Availability for weekday evening and 12-hour weekend shifts as needed.
- Red Hat Ansible experience.
- Linux certification (RHCSA, RHCE, or equivalent).
- Experience with storage, networking, security compliance, and authentication.
- Shell and/or Python scripting.
- Physical server administration.
- Oracle Database/DBA experience.
- Familiarity with JSON.
Skills Required
- Minimum 10 years experience as a Linux System Administrator/Engineer
- Linux (CentOS/RHEL) administration
- Linux admin certification (desired)
- Extensive experience installing, configuring, and maintaining JBoss / Wildfly
- VMWare VM creation, configuration, and operation experience
- Security+ certification
- Experience with Red Hat Ansible
- Storage administration/experience
- Networking experience
- Security compliance experience
- Authentication systems experience
- Scripting: Shell (required) and Python (preferred)
- Physical server administration
- Top Secret clearance with Lifestyle Polygraph (desired)
- Currently holds or recently held SYS3 PRIVAC level
- Oracle Database experience and possible DBA experience
- Familiarity with JSON
What We Do
CDIT, headquartered in Slidell, LA, has provided technical services for both commercial and Federal customers for the past 18 years. We deliver high-value services with our Agile integrated approach, consisting of Lean-Agile frameworks, process maturity, best practices combined with information security and quality management standards. This integrated approach is paired with the principles of accountability, collaboration, and delivery established our core CDIT execution model. This model allows us to successfully deliver and perform on small to large-scale programs remotely and on-site. CMMI III DEV | ISO 9001:2015 | ISO 27001:2015
