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Excelraise, LLC is seeking a Senior Linux System Administrator  for our client in 1915 Health Services Way, Raleigh, NC.  Onsite work is expected 2-3 days per week.

• The primary role is to install and configure the Linux operating system as well as manage and maintain Linux-based systems on the Amazon Web Services (AWS) platform.

Skills

• Strong experience with Linux administration experience with Red Hat Enterprise Linux: RHEL on AWS platform.
• Strong Experience with monitoring and troubleshooting Linux systems and applications.
• Hands-on experience in performance monitoring enablement to manage the Scaling up and down of the environments.
• Experience with Linux OS Patch (including taking snapshots of instances before applying updates) and OS Level Vulnerability Management.
• Strong experience with Cookie Security, Web Browser Security, Server side encryptions, Data Encryption at Rest and Key management.
• Strong experience with Image Management using Redhat Image.
• Experience with cloud infrastructure, specifically Amazon Web Services (AWS) like EC2, S3, RDS, ELB, SSM and EBS.
• Experience in installing, configuring, and maintaining services such as Bind, Apache, nginx, MYsql etc.
• Experience with automation and configuration management tools such as Ansible, Cloudformation, Puppet, or Chef.
• Strong scripting skills, specifically in Bash or Python.
• Strong understanding of networking concepts, including VPCs, subnets, and routing.
• Proficient with network tools such as iptables, Linux IPVS, HAProxy, etc.
• Experience in capturing, interpreting, and analyzing network traffic.
• Solid knowledge of protocols such as DNS, HTTP, LDAP, SMTP and SNMP.
• Troubleshooting Apache issues like performance testing and tuning, failure to restart, and queuing of requests.
• Experience in performing multi-platform volume management using SVM, LVM, ZFS, NAS, and the VERITAS volume manager.
• Experience with security best practices and implementing security controls in a AWS cloud environment.
• Familiarity with wired and wireless networking hardware and architectures, Virtual LAN (VLAN) setup and configuration, VPN, Routing, IPV4, IPV6.
• Experience in user account management for large organization.
• Linux certifications (RHCT, RHCE and LPIC) will be considered an advantage.
• Please list AWS based tools and technologies.