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System Administrator, Linux

• Posted 3 hours ago • Updated 3 hours ago

Full Time

Fitment

Dice Job Match Score™

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Job Details

Skills

Development Testing
Security Controls
Computer Hardware
Authentication
Technical Writing
Incident Management
Root Cause Analysis
Problem Solving
Change Management
Collaboration
Network Security
Information Technology
Computer Science
Information Systems
RHCSA
Red Hat Certified Engineer
Linux+
LPIC
Red Hat Enterprise Linux
Ubuntu
SUSE Linux
System Administration
Servers
File Systems
Provisioning
Service Management
Performance Tuning
Optimization
Patch Management
Operating Systems
Bash
Scripting
Python
Computer Networking
TCP/IP
Dragon NaturallySpeaking
DNS
DHCP
Secure Shell
NFS
LDAP
Virtual Private Network
Network
Virtualization
Cloud Computing
VMware vSphere
Hyper-V
Kernel-based Virtual Machine
Amazon Web Services
Microsoft Azure
Google Cloud Platform
Google Cloud
Virtual Machines
IaaS
Security-Enhanced Linux
Firewall
iptables
Access Control
Auditing
Regulatory Compliance
Nagios
Zabbix
Splunk
Grafana
Storage
RAID
LVM
Backup
Recovery
Disaster Recovery
Docker
Kubernetes
Configuration Management
Ansible
Puppet
Progress Chef
DevOps
Continuous Integration
Continuous Delivery
Git
Version Control
Terraform
Directory Services
Soft Skills
Analytical Skill
Communication
Customer Service
Stakeholder Engagement
Management
Microsoft Windows
Server Hardware
Linux
Operational Efficiency

Development Testing
Security Controls
Computer Hardware
Authentication
Technical Writing
Incident Management
Root Cause Analysis
Problem Solving
Change Management
Collaboration
Network Security
Information Technology
Computer Science
Information Systems
RHCSA
Red Hat Certified Engineer
Linux+
LPIC
Red Hat Enterprise Linux
Ubuntu
SUSE Linux
System Administration
Servers
File Systems
Provisioning
Service Management
Performance Tuning
Optimization
Patch Management
Operating Systems
Bash
Scripting
Python
Computer Networking
TCP/IP
Dragon NaturallySpeaking
DNS
DHCP
Secure Shell
NFS
LDAP
Virtual Private Network
Network
Virtualization
Cloud Computing
VMware vSphere
Hyper-V
Kernel-based Virtual Machine
Amazon Web Services
Microsoft Azure
Google Cloud Platform
Google Cloud
Virtual Machines
IaaS
Security-Enhanced Linux
Firewall
iptables
Access Control
Auditing
Regulatory Compliance
Nagios
Zabbix
Splunk
Grafana
Storage
RAID
LVM
Backup
Recovery
Disaster Recovery
Docker
Kubernetes
Configuration Management
Ansible
Puppet
Progress Chef
DevOps
Continuous Integration
Continuous Delivery
Git
Version Control
Terraform
Directory Services
Soft Skills
Analytical Skill
Communication
Customer Service
Stakeholder Engagement
Management
Microsoft Windows
Server Hardware
Linux
Operational Efficiency

Summary

Description

The Linux System Administrator is responsible for the installation, configuration, maintenance, security, and performance of Linux-based servers and infrastructure. This role ensures system availability, reliability, and operational efficiency while supporting business applications, users, and IT initiatives.

This is a hybrid working role that requires 3 days onsite, in office, per week.
Responsibilities

Administer Linux servers and operating systems across development, test, and production environments.
Monitor system health, performance, and availability.
Perform operating system installations, upgrades, and patching.
Implement and maintain security controls and compliance requirements.
Troubleshoot and resolve hardware, software, and infrastructure issues.
Manage user accounts, permissions, and authentication services.
Maintain backup and recovery processes.
Develop and maintain infrastructure automation solutions.
Create and update technical documentation, procedures, and system diagrams.
Participate in incident response, root cause analysis, and problem resolution.
Support change management and system maintenance activities.
Collaborate with application, network, security, and cloud teams.

Qualifications

Bachelor's degree in Information Technology, Computer Science, Information Systems, or related field; or equivalent work experience.
Relevant certifications preferred (RHCSA, RHCE, Linux+, LPIC, AWS SysOps, or equivalent).
3+ years of experience administering Linux operating systems in enterprise environments.
Experience supporting physical, virtual, and cloud-hosted Linux servers.
Experience with enterprise monitoring, backup, and security tools.
Strong experience with Linux distributions such as:
Red Hat Enterprise Linux (RHEL)
Rocky Linux
AlmaLinux
Ubuntu
SUSE Linux Enterprise

System Administration

Installation, configuration, and maintenance of Linux servers.
User and group administration.
Filesystem management and disk provisioning.
Service management using systemd.
Performance tuning and system optimization.
Patch management and operating system upgrades.

Scripting and Automation

Proficiency in:

Bash shell scripting
Python (preferred)
Ansible or similar automation tools
Ability to automate routine administrative tasks.

Networking

Understanding of:

TCP/IP
DNS
DHCP
SSH
NFS
LDAP
VPN technologies
Experience troubleshooting network connectivity issues.

Virtualization and Cloud

Experience with:

VMware vSphere
Hyper-V
KVM
AWS, Azure, or Google Cloud
Managing virtual machines and cloud infrastructure.

Security

Knowledge of Linux security best practices.

Experience with:

SELinux/AppArmor
Firewall configuration (firewalld, iptables, nftables)
Vulnerability remediation
Access controls and auditing
Security compliance standards

Monitoring and Logging

Experience with monitoring and logging tools such as:

Nagios
Zabbix
Splunk
ELK Stack
Prometheus
Grafana

Storage and Backup

Knowledge of:

RAID configurations
LVM management
SAN/NAS environments
Backup and recovery procedures
Disaster recovery planning

Preferred Skills

Container technologies (Docker, Podman).
Kubernetes or OpenShift administration.
Configuration management tools (Ansible, Puppet, Chef).
DevOps practices and CI/CD pipelines.
Git version control.
Infrastructure as Code (Terraform).
Enterprise directory services integration.
Experience in highly available and clustered environments.

Soft Skills

Strong analytical and troubleshooting abilities.
Excellent written and verbal communication skills.
Ability to work independently and within a team environment.
Strong organizational and time-management skills.
Customer service and stakeholder engagement skills.
Ability to manage multiple priorities in a fast-paced environment.

Physical and Operational Requirements

Ability to participate in on-call rotations and after-hours support.
Ability to support maintenance windows during evenings or weekends as needed.
Ability to lift and install server hardware when required.
Must be able to obtain and maintain any required security clearances.

Success Factors

A successful Linux System Administrator will:

Maintain high system availability and uptime.
Proactively identify and resolve issues before service impact.
Automate repetitive tasks to improve operational efficiency.
Ensure systems remain secure, patched, and compliant.
Provide excellent support to users and technical teams.

Employers have access to artificial intelligence language tools (“AI”) that help generate and enhance job descriptions and AI may have been used to create this description. The position description has been reviewed for accuracy and Dice believes it to correctly reflect the job opportunity.

Dice Id: 80180573
Position Id: d47dd8becca739e4bf2599f94d1331fc
Posted 3 hours ago

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