CDIT LLC ยท 7 hours ago
Linux System Administrator
Norfolk, VA
Full-time
Onsite
Mid, Senior LevelCDIT LLC is seeking a Linux System Administrator to manage the daily activities of configuration and operation of Linux-based business systems. The role involves optimizing system operations, ensuring compliance with DoD cybersecurity requirements, and providing technical assistance to users while collaborating with cross-functional teams.
Information ServicesInformation TechnologySoftware
No H1B
U.S. Citizen OnlyHiring Manager
Kathy Wall
Responsibilities
Install, configure, and maintain Red Hat Enterprise Linux (RHEL) servers in physical and virtual environments
Manage Linux-based enterprise systems supporting Navy shore-based maintenance IT solutions
Optimize system operations and resource utilization to ensure high availability and performance
Perform system capacity analysis, planning, and performance monitoring
Configure and maintain network services including NFS, DNS, NTP, DHCP, and LDAP integration
Implement and manage virtualization platforms (VMware, KVM) hosting Linux systems
Support data center operations and participate in system consolidation initiatives
Implement and maintain Security Technical Implementation Guide (STIG) compliance for Linux systems
Support Risk Management Framework (RMF) compliance activities and security assessments
Configure and manage security controls including firewalls, SELinux, and access control policies
Conduct vulnerability scanning and remediation using tools such as SCAP Compliance Checker and Nessus
Maintain system hardening in accordance with DISA security guidelines
Support security audits and provide documentation for Authority to Operate (ATO) packages
Monitor systems for security incidents and respond to threats in coordination with cybersecurity teams
Manage user accounts, groups, and permissions across enterprise Linux systems
Develop and maintain system automation using shell scripting (Bash), Python, and configuration management tools (Ansible, Puppet)
Implement backup and disaster recovery procedures for critical systems
Troubleshoot and resolve system issues, hardware failures, and software errors
Provide technical assistance and support to end users accessing business systems
Document system configurations, procedures, and problem resolutions
Coordinate with application teams to support middleware and business application deployments
May lead and direct the work of junior system administrators
Collaborate with network engineers, developers, and cybersecurity analysts
Participate in change management and configuration control processes
Support continuous improvement initiatives for IT infrastructure
Coordinate with Government personnel on system requirements and priorities
Qualification
Required
Expertise in optimizing system operations and resource utilization
Performing system capacity analysis and planning
Ensuring compliance with DoD cybersecurity requirements
Install, configure, and maintain Red Hat Enterprise Linux (RHEL) servers in physical and virtual environments
Manage Linux-based enterprise systems supporting Navy shore-based maintenance IT solutions
Optimize system operations and resource utilization to ensure high availability and performance
Perform system capacity analysis, planning, and performance monitoring
Configure and maintain network services including NFS, DNS, NTP, DHCP, and LDAP integration
Implement and manage virtualization platforms (VMware, KVM) hosting Linux systems
Support data center operations and participate in system consolidation initiatives
Implement and maintain Security Technical Implementation Guide (STIG) compliance for Linux systems
Support Risk Management Framework (RMF) compliance activities and security assessments
Configure and manage security controls including firewalls, SELinux, and access control policies
Conduct vulnerability scanning and remediation using tools such as SCAP Compliance Checker and Nessus
Maintain system hardening in accordance with DISA security guidelines
Support security audits and provide documentation for Authority to Operate (ATO) packages
Monitor systems for security incidents and respond to threats in coordination with cybersecurity teams
Manage user accounts, groups, and permissions across enterprise Linux systems
Develop and maintain system automation using shell scripting (Bash), Python, and configuration management tools (Ansible, Puppet)
Implement backup and disaster recovery procedures for critical systems
Troubleshoot and resolve system issues, hardware failures, and software errors
Provide technical assistance and support to end users accessing business systems
Document system configurations, procedures, and problem resolutions
Coordinate with application teams to support middleware and business application deployments
May lead and direct the work of junior system administrators
Collaborate with network engineers, developers, and cybersecurity analysts
Participate in change management and configuration control processes
Support continuous improvement initiatives for IT infrastructure
Coordinate with Government personnel on system requirements and priorities
Company
CDIT LLC
CDIT provides large-scale Information Technology and Management Services with a heavy focus on Software Development.
Founded in 2003
51-200 employees
Funding
Current Stage
Growth StageCompany data provided by crunchbase