Linux/Unix Administrator
Warszawa
Nr ref.: 2482161
As part of an industry-leading team, you will help empower results for our clients by delivering innovative and effective solutions. Applicant will play a core role as part of Cloud and Enterprise Platform Service team and will support both operational elements of EMEA Linux/Unix technologies, and day-to-day administration of platforms built within these environments with special focus on Poland services.
Job location: Warsaw/Home working
Job Responsibilities:
- Provide solutions and options in terms of systems architecture and configuration
- Manage capacity, develop process, design system architecture, and perform technology refreshes
- Plan, implement, install, build, configure, support system and test server infrastructure
- Lead infrastructure related projects and solve highly complex problems spanning multiple technologies
- Assist with developing strategy that will serve all areas of engineering, taking into account the differing requirements for authentication, security, backup, replication, availability
- Maintain and monitor current servers for efficiency, data recoverability and performance to identify areas of improvement
- Ensure systems operation are maintained, including any necessary patching, restarting, recovery and reconfiguration
- Perform performance tuning, capacity planning, project justification and procurement according to procurement processes and policies
- Pragmatic approach to operational support, recognizing occasional requirements for flexible working hours
- Identify and assess risks, provide/review risk mitigating measures associated with the technical solutions and migration plan
- Implement changes according to Change Release procedures
- Implement security setup and controls on Unix/Linux based mission-critical applications and systems
- Support periodic audit review exercises by providing the required information and to perform the remediation actions to close all audit findings
- Inventory, Assets and License tracking and updates to ensure compliance
- Monitor and troubleshoot backups, schedule jobs, systems setup and processes
- Review and analyze systems logs (events logs, error logs, audit logs, security logs etc.)
- Perform incident logging/update incident, chronology into incident management system
- Perform systems heath checks, maintain and up-keep monitoring systems to proactively identify potential issues
- Detect and eliminate technical issues in complex systems, utilizing monitoring and other analysis tools to ensure optimal system performance
- Drive restoration calls independently
- Promote process improvement
- Maintain technical documentation, reports and records regarding infrastructure solutions
- Involvement in strategic and tactical projects at all levels, technical leadership, complex administrative tasks, resource and capacity planning, product administration, support and root cause analysis
- Mentoring less experienced team members where applicable
Required Experience:
- Minimum of 10 years of working experience in Unix system support, enterprise systems management, maintaining and implementing 24x7 mission-critical applications & systems
- Demonstrated experience with Unix administration
- Hands-on experience on LVM, ZFS, UFS, SVM etc.
- Hands-on experience of Linux patching using Red Hat Satellite / YUM
- Good knowledge experience in Middleware (Oracle Database/BPM/Weblogic) on Red Hat Linux or Unix based systems, Java & Unix shells and scripting
- Good knowledge of Linux/Unix shell scripting
- Experience in managing monitoring and events management systems. E.g. CA UIM, Nagios
- Experience in managing Cloud Ready and Containerized infrastructure (OpenShift, Kubernetes, Terraform)
- Experienced installing and configuring and administering Linux in the Cloud (AWS, Azure preferable)
- Possess project management experience and working knowledge of procurement
- Comfortable and composed working in a high-pressure environment to meet deadlines
- Comfortable working in an international team with colleagues based in different countries
- Fluent English speaking
Preferred Experience:
- Working knowledge of Network/Storage/Backup technologies, Apache / Internet Information Server (IIS) Web server, Firewalls, SAN
- Working knowledge of DRP (disaster recovery plan) and BCP (business continuity plan)
- Familiar with TCP/IP networking, load balancing, firewalls, etc. and proficient with network tools such as iptables, Linux IPVS, HAProxy, etc.
- Working knowledge of VMware infrastructure
We offer:
- The best medical cover on the market with free dental care
- Generous benefits package for your wellbeing (multisport cards, insurance, vouchers, and many more!)
- Stability of employment and permanent contract after trial period
- Brand new office supporting collaboration, flexibility and activity based working
- Internal career opportunities and individual development plan
- Unique workplace culture - we value openness, honesty and authenticity, so don’t expect formal dress code nor managers hidden behind closed doors
- Lots of social events, charity actions and opportunities to integrate with colleagues
