Job Details
Level 3 Linux System Administrator
Type:100% remote
Duties and Responsibilities:
- Manages Security and Compliance activities for Server Equipment, thus ensuring the data and computing resources are secured and in stable condition
- Owns and implements Knowledge Management Practices by creating, updating, and deprecating work instructions and Standard Operating Procedures
- Owns escalations by clients, junior, and mid-level administrators and provides technical guidance as needed
- Interface with Technology Vendors to solve complex issues
- Participate in major incident calls and client meetings as a subject matter expert
- Extensive knowledge in server security baseline, advanced server troubleshooting and maintenance skills
- Advanced knowledge in Bash shell, MySQL, Postfix, IP tables, performs imaging of servers utilizing common imaging tools
- Performs patching, hardening, and automated deployments
- Prepare / maintain documentation and operations guides
- Perform in-depth root cause analysis and develop a detailed action plan to implement related solutions
- Perform as a Subject Matter Expert between organization and their clients by answering any technical questions on conference calls or email communications
- Possess advanced and proven troubleshooting skills in Linux based Operating Systems in large enterprise environments
- Must be familiar with Advanced Linux based service functionality and troubleshooting, and possess extensive familiarity and comfort with Linux Shell(bash) scripting, Python scripting, Satellite / Spacewalk management and deployment, and XML-RPC
- Be available for after-hours support and on-call rotations as needed
Skills and Qualifications:
- Minimum 5+ years of experience supporting enterprise environment
- Minimum 3+ years of experience fulfilling Server Administration and performing break / fix duties
- RHCE certification or equivalent
- Hands on experience with:
- Linux LVM, OVM, KVM, RHEV, docker container / OpenShift
- Redhat licensing / subscription awareness
- Network based OS installation (kickstart) and management of Redhat Linux, cluster and satellite
- OS upgrades and applying security updates (patching), Schedulers, Cron Jobs, Transaction logging
- Security Hardening of the Operating Systems
- Network Based File Sharing protocols (FTP / NFS / CIFS / SAMBA)
- File System management and User management
- Experience in deploying, maintaining, and supporting Linux Server infrastructures and storage systems in an enterprise environment
- Responsible for resolving all technical incidents escalated by the L2 team
- Must have excellent verbal and written communication skills to communicate and explain technical subjects
- Ability to conduct research into server issues and related components and locate information quickly and accurately
- Ability to multitask and prioritize work efficiently, while assessing risk and consequence of performed duties
- Experience engaging hardware vendors as needed to address software and hardware issues
- Ability to work without direct supervision and complete tasks on time
- Understanding of Virtual platform technologies such as VMWare
- Familiarity with VMWare architecture and functionality is a plus
- Familiarity with remote management console technologies and functionality
- Knowledge of SAN / NAS, Clustering services and technologies are a plus