Linux Administrator
Admin
Linux Administrator
Kraków
Type of work
Full-time
Experience
Senior
Employment Type
Permanent
Operating mode
Office
HCLTech
HCL Technologies is the fastest growing large technology company for four years running. Our mission is simple, to help enterprises reimagine their business for the digital age.
Tech stack
Red Hat OpenShift
RHEL Linux OS
RESTful APIs
Kubernetes
.Net
Python
Angular.js
YAMAL
Job description
- Good understanding of Red Hat OpenShift Container Platform, containers, and Ansible cloud management
- Experience with Kubernetes, containers, openvswitch, JBoss, Tomcat, Go, Angular.js (web frameworks), Python (web frameworks), .NET and RESTful APIs.
- Good understanding of Linux tools, with an emphasis on curl, strace, wireshark and using git
- Installation and Configurations of RHEL Linux OS
- Managing RHEL Linux cluster (HA),
- Managing Redhat Satellite server
- RHEL server upgrade— LCM
- Create, Delete and modify user and groups
- Creating Local volume and PV, VG, LV
- Network Config, Access providing
- Providing incident report details information, providing good customer service.
- Network config in new server, add in domain, patching, Health checkup of windows server.
- Experienced in Command centre Monitoring, Network Config on Linux
- OS access management, local group policy management, OS security hardening, OS performance issues troubleshooting, folder level permission management.
- Performance issues like- High CPU, High Memory, OS hungs, OS repair, unexpected OS reboots.
- Daily operations, P1 & P2 incident, major change activity, Root cause analysis, change management
- Patch and Package administration
- Writing shell scripts to accomplish day to day system administration task
- Configuring and supporting domain on HP Superdome Servers
- Troubleshooting Hardware and Operating system related issue
- Capacity planning and fine tune system for optimal performance
- Understanding of SAN and NAS storage.
- Installation, configuration and Administration of Backup environment
- Administration of NIS or LDAP environment
- Configuring Linux Security baseline
- Troubleshooting Hardware and Operating system related issue
- Security Administration – Add/remove/Troubleshoot Security Policies.
- Tools Administration – Agent Installation.
- Device Management – Installing & Configuring devices.
- Syslog & Log management.
- Documentation – Systems/tool/Service management documents update.
- Process related activities, Scripts Maintenance.
- Kubernetes component--- Service,NodPod, Ingress, Secrets,Nmaespaces,Helm
- Can write small scripts in YAMAL
- Additional Skills
- Certified RHCE
- Good knowledge and Experience with Kubernetes, containers, Openshift platform
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