Description General information: The Senior UNIX Administrator is responsible for performing UNIX technical support across all levels of established client Service Level Agreements (SLAs) and upholding the technical standards and procedures within the UNIX Administration team. A Senior UNIX Administrator will act predominantly as a 2nd and 3rd level support engineer, performing from beginner to intermediate level support tasks whilst adhering to established SLAs. It is their responsibility to ensure a high standard of service to potential and existing clients is maintained through adherence to documented standard and procedures as laid out by the senior members of the team. Hitachi Energy Grid Automation team provide the most complete digital portfolio in the industry, offering our customers with end-to-end solutions. Combining our products with our exceptional expertise allows us to provide innovative solutions to energize the digital grid. Responsibilities: Maintain the service level agreements (SLAs) of existing clients by performing day to day support tasks, these may include (but are not limited to): Capacity Planning and Management: Provide input into monthly capacity reports for client infrastructure, make recommendations as appropriate to client stakeholders for capacity concerns and assist in the implementation of recommendations as coordinated by Senior members of the team Patch Management: Provide patch reports to supported clients detailing the current operating system and firmware patch revisions on their infrastructure, and provide recommendations based on available patch revisions. Based on approved recommendations implement new operating system and/or firmware revisions to client infrastructure through established change procedure techniques. Security Management: Facilitate user access management (through account creations, deletions and maintenance), perform security audits on client infrastructure as requested or required by established SLAs, implement security measures as planned or coordinated by Senior members of staff. Miscellaneous client service requests: Server commission / decommission tasks, Operating systems installation and configuration in adherence to client specifications and established standards, integration with Hitachi Energy Enterprise Software monitoring and backup systems as required. Customer Management: Database (CMDB) additions, removal and maintenance, printer configuration and maintenance, UNIX-based application support including (but not limited to) Samba, Email server technologies, Open LDAP, DNS, NIS+, etc. Provide assistance to database / communications / windows / application support administrators where relevant UNIX support knowledge is required. Perform root cause investigations for major support incidents or problems and provide feedback to seniors and client management. At all times execute tasks in accordance with Hitachi Energy Enterprise Software technical and core process standards and take part in an on-call roster and shift work to provide Level 2 & 3 support for managed Applications and perform other tasks as required by the Team Lead, Lead Engineers, Senior UNIX Administrators or Management. Your background: Formal training (i.e. IT degree or diploma from a recognized institution). Minimum 5 to 7 years in a UNIX customer support role, preferably in an outsourcing environment with established SLAs. Skills in 1 or more of the following Operating Systems: Linux (RHEL, Centos, Oracle Linux preferable), HPUX. Demonstrated strong analytical, troubleshooting and problem-solving skills, UNIX scripting in at least one of: UNIX Shell, PowerShell, Perl, Python. Experience in managing operations in Azure Cloud, enterprise backups. Example Azure backup, netbackup, Networker, HP DataProtector etc and in enterprise monitoring. Example Zenoss, Nagios, Openview, SNMP. Exposure with the following technologies and tools: Opsgenie and Jira, Prometheus, Grafana, Jenkins, Docker, Kubernetes, Terraform, Ansible, Kafka, Elastic Search and Kibana. Strong analytical and problem-solving skills, experience in working with multiple teams Globally. Ability to work autonomously and as part of a team and multi-task and be action oriented. Excellent written and verbal communication skills, and high attention to detail.