Designs and defines system architecture for new or existing computer systems
The Infrastructure Team Member will be responsible for the implementation support and maintenance of all aspects of the project's Linux infrastructure. Project infrastructure includes virtual and physical servers and software resources. Activities include but are not limited to:
Monitor health and capacity of and troubleshoot Linux system resources using Nagios and iLO or iDRAC and VMware host console.
Assist multiple development teams with recurring operations and maintenance activities (host creation, system performance issues, H/W issues, general Linux administration support, Centrify/AD support, etc.)
Coordinating and escorting vendors into the Data Center to replace failed hardware components on Linux systems
Project based development and implementation of new Linux hardware and software capabilities (Security enhancements, Central Logging, Resource Monitoring and Notification, Dev/Ops Automation, etc.)
Participating in and conducting applicable accreditation support (scans, automation, auditing, etc.) of Linux systems
Providing general Linux system administration guidance and support to multiple development teams (disk management, account creation, design reviews, etc.)
The successful candidate must be able to work well both in a team setting and individually on project based tasks and have direct experience in the following:
Prior experience as a Unix/Linux Systems Administrator of Linux, preferably RHEL/CentOS (installation, configuration, upgrades, troubleshooting)
Prior experience developing Puppet modules for server builds (Kickstart), and maintenance automation
Prior experience integrating automation with TFTP, DHCP and DNS.
Prior experience with Centrify and Active Directory integration and management of Linux groups, accounts and servers
Prior experience with one or more scripting tools: Puppet, Shell, Perl/CGI, Python.
Managing and monitoring Linux server resources in a VMWare/VSphere environment
Building and maintaining all Linux Virtual Machines
Experience with automation tools, such as Puppet and Ansible, preferably Puppet, CGI/Perl and Python
Direct experience with, including hardware maintenance, firmware updates to HP DL Series Servers, Dell PowerEdge R630/730 Servers and iLOM/iDRAC usage
Prior experience with SQL querying of a relational database, such as MySQL
Prior experience with Nutanix and HPCC technologies
Prior experience with Python and Ansible automation of system administration and configuration tasks
Prior experience setting up Docker clusters using Swarm and or Kubernetes
Prior experience with HP Apollo 4000 and 2000 systems architectures
Prior experience with git for Infrastructure code management
5-8 years experience
We are GDIT. The people supporting some of the most complex government, defense, and intelligence projects across the country. We deliver. Bringing the expertise needed to understand and advance critical missions. We transform. Shifting the ways clients invest in, integrate, and innovate technology solutions. We ensure today is safe and tomorrow is smarter. We are there. On the ground, beside our clients, in the lab, and everywhere in between. Offering the technology transformations, strategy, and mission services needed to get the job done.
GDIT is an Equal Opportunity/Affirmative Action employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or veteran status, or any other protected class.