Senior RHEL/Unix Systems Administrator

SENIOR RHEL/UNIX SYSTEMS ADMINISTRATOR

The main function of a systems administrator is to install, configure, and support an organization's local area network (LAN), wide area network (WAN) and Internet system or a segment of a network system.

A typical systems administrator is responsible for monitoring network to ensure network availability to all system users and perform necessary maintenance to support network availability.

Job Responsibilities:

Direct staff to perform data backups and disaster recovery operations.

Direct staff to diagnose, troubleshoot, and resolve hardware, software, or other network and system problems, and replace defective components when necessary.

Review and approve the planning and implementation of network security measures to protect data, software, and hardware.

Review and approve the configuration of email applications or virus protection software

Review and approve the design, configuration and testing of computer hardware, networking software and operating system software

Monitor network performance to determine whether adjustments need to be made, and counsel organization on where changes will need to be made in the future.

L2 Support (Incident-, Problem-, Change-Management) of high available RedHat Linux-/Sun Solaris-based systems and integration of software components.

Operation of test-, integration and production-infrastructure for Sun Solaris and Red Head Linux (RHEL) based applications.

Planning and execution of maintenance on UNIX/Linux systems, including deployment of new operating system releases and Layer 2 (Middleware) components.

Support for integration of new systems and products, including support for projects through all environments from test to production.

Installation, configuration and root cause analysis with storage management tools (VxVM, VxFS, LVM)

Quality assurance and acceptance tests for UNIX/Linux systems, standard builds and software components

Root cause analysis and implementation of sustainable solutions

In depth analysis of System configurations of infrastructure and writing of proposals for improvement.

Support for Life Cycle projects

Execute disaster recovery (DR) tests in cooperation with application support teams

Create, revise and update technical documentation

On-call support (7x24h) for Unix Operations team

Skills:

Verbal and written communication skills, problem solving skills, customer service and interpersonal skills.

Strong ability to work independently and manage one's time.

Strong mentoring skills necessary to provide support and constructive performance feedback.

Strong ability to identify, interpret and evaluate system and network requirements.

Strong knowledge of computer hardware and software as it related to LAN/WAN.

Education/Experience:

Associate's degree in computer related field required. Bachelor's degree in computer science preferred.

8-10 years experience required.

Completed apprenticeship in Information Technology or adequate education

At least 5-8 years of work experience in system administration of Sun Solaris and Red

Head Linux Systems in large environments ( Systems)

Participation in 7x24h On-Call support rota

Occasional weekend work and work outside office hours

Practical experience in Incident-, Problem and Change Management, including root cause analysis

Please apply with your most up to date CV