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Job Description
Job Id:
CENT-33
# of Openings:
1
PLEASE NOTE: This position requires an ACTIVE Top Secret/SCI Clearance with Polygraph. To be considered for this position, you MUST have an ACTIVE Clearance Level of Top Secret/SCI with Polygraph
Position Code: 07-SE1002-1
Location: Chantilly, Tysons, Warrenton
JOB DESCRIPTION
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.
QUALIFICATIONS
- Bachelor’s Degree in Computer Science, IT, or a related technical discipline, or the equivalent combination of education, technical training, or work/military experience
- Minimum eight (8) years of related Systems and Linux Engineering experience
REQUIRED KNOWLEDGE/SKILLS
- Install, configure, secure and maintain all physical and virtual onsite and cloud servers/vms/instances using kickstart, puppet, ansible, infrastructure-as-code
- 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.)
- Create, manage, and update Linux servers in the cloud environment
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:
System Administration
- 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
- Prior experience working with Linux in a cloud environment
VMWare/VSphere
- Managing and monitoring Linux server resources in a VMWare/VSphere environment
- Building and maintaining all Linux Virtual Machines Server/Resource Automation
- Experience with automation tools, such as Puppet and Ansible, CGI/Perl and Python
Hardware Experience
- Direct experience with, including hardware maintenance, firmware updates to HP DL Series Servers, Dell PowerEdge R630/730 Servers and iLOM/iDRAC usage
DESIRED SKILLS
- 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
KEY RESPONSIBILITIES
- Build, secure, maintain baseline physical, vm, cloud instances
- Monitor HW env to ensure rapid fixes and minimal downtime
- Work with multiple development teams for security and configuration updates
- Assist with planning and implementation of new infrastructure tools/services
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