Administrator - L3

Role Purpose

The purpose of the role is to resolve, maintain and manage clients software/ hardware/ network based on the service requests raised from the end-user as per the defined SLAs ensuring client satisfaction

Key Qualifications:

• Extensive experience performing Linux systems administration (RHEL/Ubuntu)
• GitHub Administration Certification:
• Experience with GitHub Enterprise Server core commercially-provided software configuration, maintenance, and upgrades: to both commercial middleware and underlying operating system
• Must: hands-on experience with GHES v3.14.0 or later
• Proficiency in scripting (Bash, Python, etc.)
• Networking fundamentals (DNS, TLS, proxies, firewall rules)
• Storage and backup strategy-implementation and testing in an enterprise environment
• Familiarity with SAML/SSO, LDAP, SCIM
• Experience with service monitoring and security event logging to remote SIEM
• Security hardening & vulnerability patching
• Experience with AWS EC2 cloud-based infrastructure operations and EBS performance optimization
• Experience with Microsoft Entra/Active-Directory
• On-assignment experience performing incident response and root cause analysis

Job Duties:

• Install, configure, and maintain GitHub Enterprise Server software packages and underlying operating system
• Manage user access control base configurations and SSO integration
• Support integrations with internal partners providing monitoring and security event logging
• Plan and execute patches, upgrades, and maintenance
• Troubleshoot issues and respond to incidents
• Ensure backup jobs, perform backup restoration tests, and review disaster recovery readiness procedures
• Coordinate with GRC compliance team partners for controls performance reporting
• Maintain overall system high availability and scalability
• Document codebase-services operations procedures and support playbooks
• Provide reactive support for and engage with internal developer teams