Sr. Linux System Administrator

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Job Overview

The Senior Linux System Administrator at Dice will be responsible for maintaining and optimizing our Linux-based server environments to ensure peak performance and security. This role entails designing, implementing, and supporting infrastructure solutions, along with troubleshooting and resolving complex system issues. The candidate will work extensively on server management, automation, and monitoring while collaborating closely with cross-functional teams to enhance system reliability and efficiency.

Job Responsibilities

• Design, deploy, and manage scalable Linux server infrastructures in both cloud and on-premise environments.
• Monitor system performance and troubleshoot issues to maintain system efficiency and uptime.
• Implement system security measures to safeguard sensitive information and ensure compliance with best practices.
• Automate repetitive tasks using scripting and administration tools such as Shell, Python, or Ansible.
• Conduct regular system backups and ensure data integrity through rigorous testing and monitoring.
• Document system configuration, changes, and procedures for future reference and training.
• Provide tier-3 support for complex system issues escalated by the helpdesk and junior administrators.
• Collaborate with development teams to facilitate smooth software deployments and upgrades.

Qualifications

• Bachelor’s degree in Computer Science, Information Technology, or a related field.
• Minimum 5 years of experience in Linux system administration, preferably in a corporate environment.
• Strong proficiency with Linux operating systems, particularly CentOS, Ubuntu, and Red Hat.
• Experience with server virtualization technologies such as VMware or KVM.
• Solid understanding of networking concepts, firewalls, and security protocols.
• Demonstrable experience with configuration management tools (e.g., Puppet, Chef).
• Strong scripting skills (e.g., Bash, Python) for automation and system management.
• Excellent problem-solving skills and ability to work under pressure in a fast-paced environment.

Technologies & Tools

The Senior Linux System Administrator will work with various technologies, including leading Linux distributions (CentOS, Ubuntu, Red Hat), virtualization platforms (VMware, KVM), and automation tools (Ansible, Puppet, Chef). Familiarity with cloud services such as AWS, Azure, or Google Cloud Platform will also be beneficial. Proficiency in monitoring tools like Nagios, Prometheus, or Grafana, alongside a strong grasp of networking equipment and protocols, will be essential to effectively manage and optimize our systems.

Ideal Candidates

Ideal candidates for the Senior Linux System Administrator position will exhibit a proactive attitude and an unwavering commitment to excellence. They should possess strong analytical and problem-solving skills, capable of diagnosing and addressing issues efficiently. A collaborative spirit is paramount, as the role involves working closely with various technical teams. Candidates should demonstrate a continuous desire to learn and adapt in an evolving technological landscape while adhering to high standards of professionalism and integrity in all tasks undertaken.