System (Linux) Admin

BTI Solutions•San Jose, CA

3d•Onsite

About The Position

This role involves engineering systems administration-related solutions for various project and operational needs. Key responsibilities include installing and configuring new and existing servers, managing virtualization platforms, storage, and network equipment. The position also requires configuration and support of Atlassian tools (Jira, Confluence), infrastructure automation tools like Ansible, Foreman deployment management, and system inventory systems such as GLPI. Additionally, the role involves installing and maintaining security patches, performing daily system monitoring, ensuring data integrity and availability, conducting security monitoring, managing backups and archival, and handling user account management. The role also includes providing Tier III support, troubleshooting, and recovering from hardware or software failures. Maintenance tasks involve applying OS patches, upgrading administrative tools, managing software instances (Jira, Git, LDAP, Jenkins, VMWare), and performing performance tuning and resource optimization. After-hours and weekend support may be required.

Requirements

High skill level of VMware admin and management.
Experience with Jenkins, Jira, Confluence, GIT, DevOps tool administration.
Systems Administration/System Engineer certification in Linux+, e.g., CompTIA Linux+, Red Hat Certified System Administrator (RHCSA), or Red Hat Certified Engineer (RHCE) preferred.
Network equipment management, Cisco equipment preferred.
7+ years of system administration experience in Linux environments.
Proficient in shell scripting, creating cron jobs, analyzing log files, managing user accounts and groups, configuring iptables, and setting up mail services.
Ability to maintain Atlassian Jira and Confluence servers and provide user support.
Proven ability to multi-task.
Independent, self-starter.
Ability to effectively communicate (verbal and written correspondence) in a professional and courteous manner with technical and non-technical personnel.
CompTIA Security+ (SY0-301) or other DoD 8570.1 Workplace Improvement Plan IAT Level II compliant certification required (or equivalent experience).
Familiarity with web-based technologies, including but not limited to, reverse proxy servers, SSL certificate configuration, three-tier architecture, and service-oriented architecture, enterprise service bus, http, and differences between browsers.
Able to lift 50 lbs.
Able to move servers to and from main DC to the colocation and labs.
Able to install new hardware or migrate existing servers (rack and stack).

Nice To Haves

CompTIA Linux+, Red Hat Certified System Administrator (RHCSA), or Red Hat Certified Engineer (RHCE) preferred.
Cisco equipment preferred.
CompTIA Security+ (SY0-301) or other DoD 8570.1 Workplace Improvement Plan IAT Level II compliant certification required (or equivalent experience).

Responsibilities

Engineering of systems administration-related solutions for various project and operational needs.
Install new/rebuild existing servers and configure hardware, peripherals, services, settings, directories, storage, etc. in accordance with standards and project/operational requirements.
Manage virtualization platforms (VMware, KVM, and other).
Manage storage (Netapp, Dell/EMC, PureStorage, and others).
Configure, manage, and support Atlassian Jira and Confluence servers.
Support infra automation tools (ansible).
Manage Foreman deployments.
Manage system inventory system (GLPI).
Manage network equipment (Cisco, Mellanox, and others).
Install and configure systems which support infrastructure and/or R&D activities.
Develop and maintain installation and configuration procedures.
Configure/maintain storage equipment and troubleshoot with vendors.
Configure/install EDA tools, FlexLM licenses, and troubleshoot software tool issues.
Contribute to and maintain system standards.
Contribute to and maintain security posture of the systems.
Research and recommend innovative, and where possible, automated approaches for system administration tasks.
Install and maintain security patches on operational and development systems (Red Hat Linux, CentOS, Ubuntu, Windows 2008/2k8R2/2k12, VMWare, Apache).
Report Security Patch compliance.
Perform daily system monitoring, verifying the integrity and availability of all hardware, server resources, systems and key processes, reviewing system and application logs, and verifying completion of scheduled jobs such as backups.
Perform regular security monitoring to identify any possible intrusions.
Perform daily backup operations, ensuring all required file systems and system data are successfully backed up to the appropriate media, recovery tapes or disks are created, and media is recycled and sent off site as necessary.
Perform regular file archival and purge as necessary.
Create, change, and delete user accounts per request as necessary.
Provide Tier III/other support per request from various constituencies.
Investigate and troubleshoot issues.
Repair and recover from hardware or software failures.
Coordinate and communicate with impacted constituencies.
Apply OS patches and upgrades on a regular basis, and upgrade administrative tools and utilities.
Configure/add new services as necessary.
Manage existing and/or deploy new instances of Jirra, Git, LDAP, Jenkins, VMWare environments.
Upgrade and configure system software that supports infrastructure applications or Asset Management applications per project or operational needs.
Maintain operational, configuration, or other procedures.
Perform ongoing performance tuning, hardware upgrades, and resource optimization as required.
Configure CPU, memory, and disk partitions as required.
Provide after hours and weekend support and/or alternative work schedules as required.