CDIT LLC

Sr. System Admin/System Engineer - Linux

CDIT LLC  •  United States (Onsite)  •  4 hours ago
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Job Description


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.


Responsibilities


  • 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.


Requirements


Required 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

    .


Preferred Skills & Qualifications


  • 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

    .
CDIT LLC

About CDIT LLC

CDIT, headquartered in Slidell, LA, has provided technical services for both commercial and Federal customers for over 20 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.

Industry
IT & Software
Company Size
51-200 employees
Headquarters
Slidell, Louisiana
Year Founded
2003
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