About The Unit:
Unit Job Summary: System Administrator-Linux: Responsible for day-to-day administration and technical support of complex Linux servers, including but not limited to Virtual Infrastructure and Systems Management. Responsibilities include installations, upgrades, system patching, configuration and monitoring of Linux servers/applications both physical and virtual. Works closely with vendors and cross-functional departmental teams to provide tier 2 support, fulfill new service requests, resolve incidents and problem cases. Develops and maintains a library of standard operating procedures documentation. Responsible for 24/7 on-call support rotation.
Essential Job Functions:
Assist Senior members of the Linux team design, install, configure, upgrade, maintain, monitor and tune performance for load balancing technologies in terms of global and local traffic management (e.g. F5's GTM, ASM, APM and LTM modules)
Install, configure, upgrade, maintain, monitor and tune performance for Linux Server operating systems, utility software and server hardware including installing patches and corrective service.
Provide support for problems escalated from the IT Services Service Desk and other groups.
Respond to problems and apply appropriate operating system fixes and patches as necessary. Examine various server logs and determine if any corrective action is required.
Review releases of new operating systems and evaluated their implementation in the enterprise. Implementation new operating system releases in both virtual and physical servers.
Install, configure and maintain server firewall and other security software. Identify and provide technical resolution for potential security breaches. Establish and monitor security and apply appropriate fixes.
Monitor and maintain system integrity assuring maximum availability using RHN and configuration management systems (e.g. Puppet). This includes monitoring backups, maintaining appropriate access rights, and securing enterprise systems in accordance with IT Services standards. Monitor and forecast future capacity needs.
Implement and maintain technical solutions for disaster recovery and business continuity of enterprise systems. Administration of LDAP including group policy management, OU administration and maintaining user/computer account permissions and access rights
Administer Blade Center environment (chassis management, firmware updates.)
Perform administration tasks and troubleshooting related to the Virtual Infrastructure.
Plan and Design Server Hardware
Select and size server hardware including configuring processors, memory and I/O Interface Cards appropriate to business requirements.
Plan local and shared storage partitions for operating system, data, logs etc.
System Automation, Research, and Consulting
Participate in research and development projects within organization to assist in overall improvement and optimization of environment.
Contribute to system automation via scripting and other tools to reduce time spent on operational tasks.
Interact effectively and courteously with both technical and non-technical users across all levels of organization.
Document system design and related processes.
Participation in team meeting and organization projects
Participate in team, department, and IT Services staff meetings.
Participate in on-call 24/7 support rotation for problem resolution
Prioritize projects and meet deadlines consistently.
Other duties as assigned.
Unit Education: Bachelor's degree or minimum four years of related work experience required.
Technical training and achieved certifications such as RHCE preferred.
ITIL training and certification preferred.
Unit Experience: Minimum four years of experience in Linux server administration in a large (100+ server) enterprise environment is required.
Experience with Linux Red Hat operating systems, roles, services, concepts, security, permissions, middleware and facilities is required. (e.g. SMTP, SFTP, IPtables, LVM, Enterprise Backups).
Experience in scripting concepts and methods with competence in at least one relevant language (e.g. Python, Perl.) required.
Experience with Internet clients/servers/protocols, including the Apache web server, HTTPS services, SSH products, email servers, Proxy servers required.
Experience with ITIL and change management preferred.
Experience with VMware and other virtualization platforms preferred.
Experience with current commercial and open-source security tools preferred.
Experience with chassis/blade technologies (Dell, IBM, HP, and Cisco.) preferred.
Unit Job Function Competencies: Familiarity with system management implementations based on SNMP, and familiarity with Zenoss or other enterprise class monitoring required.
IT project management practices and techniques required.
Strong interpersonal and communications skills are required, as well as the ability to discuss technical issues with users of varying technical backgrounds required.
Server Administration -Effectively plan, deploy and administer Linux servers in an enterprise environment (ex. Apache, SMTP, SFTP, Linux Firewall, IPtables, and NFS Permissions.) Strong understanding of modern Linux Server technologies and related best practices required.
Troubleshooting -Strong familiarity with Linux OS, application and hardware troubleshooting required.
Hardware - Familiarity with current Intel/AMD hardware platforms, Blade and rack server architecture and Blade Centers required.
Networking and Storage - Understanding of storage and network protocols/concepts (FC, FCoE, iSCSI, NFS, GigE, TCP/IP, UDP, Ether channel and VLAN configurations.) required.
Documentation -Ability to compose thorough and clear documentation on routine tasks, standard operating procedures and other documents beneficial to team members required.
Focus -Focus on delivering high quality service, needs of the key stakeholders, end-users, service orientation, organizational communications and getting results required.
Listening and communication -Build partnerships/relationships through listening for understanding. Express oneself effectively in all media, with diplomacy, openness and transparency. Provide specific and appropriate feedback required.
Accountable and commitment and follow-through Do what you say you will do and be personally responsible for your actions. Take individual responsibility for performance including quality and quantity of work. Be willing to own the issue, problem, activity and accomplishments. Commit to own development required.
Initiative and innovation -pro-active approach interest in problem solving. Display creative approach to everyday problems, ask good questions, and stimulate ideas. Offer creative ideas for improvements and solutions to problems required.
Keep abreast of IT trends and technologies and build knowledge and technical expertise required.
Collaborative -builds effective relationships with others. Works effectively as a member of a department and/or project team. Open to assistance and willingness to assist others. Puts success of team above own interest required.
Professional -internalizes and acts on organizational mission and goals. Works effectively across organization and campus community. Active interest in The University and IT in higher education. Takes personal ownership of professional development. Values and respects differences required.
Decision making / problem solving -generates pragmatic approaches to addressing issues, challenges, and opportunities. Analyzes problems. Develops and implements effective solutions. Makes sound business decisions in a timely manner required.
Knowledge of networking/firewall concepts and technologies preferred.
Strong interest in group dynamics and team building preferred.