Linux Systems Expert
4 weeks ago
GCI is seeking a highly skilled Linux Systems Expert to join our team. As a key member of our IT department, you will be responsible for the installation, configuration, and maintenance of Linux-based architectures.
Key Responsibilities:- Provide daily operational support for Linux operating systems and applications
- Support virtual and physical infrastructure of servers running Rocky8 (and other RedHat derivatives) in dev, test, and production configurations
- Develop and maintain environments running in Amazon Web Services (AWS), Microsoft Azure, or Google Cloud Platform (GCP)
- Develop and maintain standards and procedures for applications across a complex computing infrastructure
- Monitor application and operating system performance; analyze, document and remediate incidents
- Develop and oversee implementation of testing strategies and document the results
- Leverage scripting and system automation tools
- Maintain current knowledge of relevant technologies
- Research and recommend hardware and software, coordinate installation, and provide backup recovery
- Interact with users and evaluate vendor products
- Review incidents to understand the root causes and ensure implementation of proper fixes
- Collaborate with system administrators, engineers, and the client to ensure proper integration of applications
- Extensive experience with Red Hat or other derivative OS' (CentOS, Rocky, Scientific Linux)
- Demonstrated experience with automating configuration and change management using scripting languages. (Bash, Python, Ansible, etc.)
- Demonstrated experience with Collaboration platforms, such as Atlassian Jira and Confluence.
- Demonstrated experience using local virtualization platforms (VMWare Workstation, Oracle VirtualBox)
- Demonstrated experience collaborating with other systems administrators, storage administrators, application developers, and network engineers to solve complex problems
- Certified Linux System Administrator
- Demonstrated experience with configuration management languages (such as Ansible, Puppet, or Chef)
- Demonstrated experience with other Linux OS systems (Ubuntu, Debian, FreeBSD)
- Demonstrated experience in server builds using automated mechanism
- Demonstrated experience with VMWare ESXi infrastructure 6.x + vCenter server, host clustering with HA, DRS, replication
- Knowledge of network engineering fundamentals and network design
- Demonstrated experience with Microsoft Window Server 2019
- Demonstrated experience working with syslog applications such as Splunk
- Demonstrated experience with Hadoop infrastructure and applications (HDFS, Hue, Impala, Oozie, Solr, Spark, Yarn, Zookeeper) a plus
- Demonstrated experience with Cisco switches or Cisco Firepower Security Appliances a plus
- Demonstrated experience with managing Elasticsearch on Linux systems
- AWS Certification a plus
- ITIL Foundations Certification a plus
- Certifications relating to IT Security (CISSP, GIAC, Security+) a plus
Education and Experience: Bachelor's Degree in Computer Science, Information Technology, or other related technical discipline, or the equivalent combination of education, technical certifications, training, and work experience.
Clearance: A candidate must be a US Citizen and requires an active/current TS/SCI with Polygraph clearance.
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