Linux Administrator

Job Description

Do you thrive in a fast paced work environment and have a passion for innovation and technology Are you a self-motivated individual with a proven track record for delivering high-value solutions If you enjoy a challenge and like to use your creativity to solve problems, Sierra-Cedar is looking for a passionate administrator to join our team.We are seeking bright and motivated Unix Administrator. The Unix Administrator performs a wide variety of tasks in software/hardware maintenance and operational support of Linux and Solaris based systems. They are responsible for maintaining all hosted customer environments.General Duties/Tasks:

• Experience with management tools such as Puppet, Chef, Ansible, etc.
• Experience with Virtual Environments (preferably VMWare or AWS)
• Experience with scripting languages such as Perl, Python, Ruby, and shells scripts
• Daily monitoring of the ticket queue, performing analysis of problems across multiple systems and groups
• Planning, installation, configuration, monitoring and deployment of Solaris/Linux Servers.
• Analyze and resolve problems with server hardware setup, tuning and troubleshooting all aspects of the Sun Solaris operating system (Solaris 10) and Linux (OEL-Oracle Enterprise Linux/Red Hat).
• Evaluating and applying packages and security patches on Solaris and Linux servers.
• Developing new Unix scripts to support task automation and monitoring activities.
• Supporting and troubleshooting Solaris networking services and protocols such as TCP/IP, DNS, NFS, DHCP/BOOTP, FTP, SSH, sendmail, postfix and LDAP.
• Creating detailed How-To and Best Practices guides.
• Perform disaster recovery testing.
• Conduct ongoing security risk assessments including the monitoring and reporting of security and access violations.
• Perform system wide updates, server installations, and general maintenance during monthly maintenance windows.
• Reporting on system availability, performance and security compliance.
• Perform miscellaneous job-related duties as assigned.
• Respond within defined SLA metrics to issues logged in the company ticketing system.

Required Skills:

• 5+ years of experience as a Linux system administrator.
• Linux system administration certification is welcome.
• Strong operating system and network knowledge in order to carry out assigned administrative tasks with the need for limited supervision.
• Experience with PeopleSoft applications is a plus.
• Basic working knowledge of web application security, understanding of vulnerabilities and counter measures.
• Skill in organizing resources and establishing priorities, self-direction.
• Ability to provide technical guidance and training to end users.
• Identifies and resolves problems in a timely manner. Gathers and analyzes information skillfully. Develops alternative solutions.
• Speaks clearly and persuasively in positive or negative situations. Listens and gets clarification. Responds well to questions and participates in meetings.
• Develop workable implementation plans. Communicates changes effectively.
• Looks for ways to improve and promote quality. Ability to follow policies and procedures. Complete administrative tasks correctly and on time.
• Ability to develop strategies to achieve organizational goals and adapt strategy to changing conditions.
• Display willingness to make decisions. Exhibit sound and accurate judgment. Support and explain reasoning for decisions.
• Adapt to changes in the work environment. Manage competing demands. Change approach or method to best fit the situation. Able to deal with frequent change, delays, or unexpected events.
• Demonstrate leadership and foster collaborative team approach and interacts well with front line and management providing consultation and expert advice on systems related topics.
• Follow instructions and respond to management direction.
• Familiarity with version control systems such as Subversion and GIT
• Motivation to advance in profession.
• Maintains a 24/7 on-call status, as required.

Travel:No travel is required.,

Keyskills :
linuxsambalvmtroubleshootingftpweb application securitysun solarismusic makingsecurity riskunix administrationoperational supportapplication securitysystem administrationdnsnfs