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Systems Administrator 2 in Laurel, MD at ManTech

Date Posted: 8/11/2018

Job Snapshot

Job Description

Group:



MCIS

Clearance Level Needed:



TS/SCI

Shift:



Day

Category:



Networks & Telecommunication Services







Description & Responsibilities:
Candidate will be capable of working with multiple teams of engineer and software development personnel to assemble, reassemble, integrate and install operant systems and application software to build mission systems. They will enable and support the integration, testing, and production of new mission systems. They will generate robust system baselines that are suitable for easy deployment to lab and filed suit installations, and produce installation and configuration manuals to support deployments. They will exercise development software on newly deployed systems for formal software testing. The candidate will:
• Support the implementations, troubleshooting and maintenance of Information Technology systems.
• Provide system administration services for Linux / UNIX infrastructure and development systems (scripting and loading machines using KickStart system configuration)
• Support the build and software integration of new mission systems and supporting architecture under development (client/server/storage/network devices, etc.)
• Ensure systems are kept in required configuration profile, including: patch maintenance, changes are required by evolvement of production environments, updating software and software configurations. Configure and manage UNIX and Windows Operating systems and install/loads operating system software, troubleshoot, maintains integrity and configures network components along with the implementation operating systems enhancements to improve reliability and performance.

Required Skills & Experience:
• Minimum 10 years& experience as a Linux System Administrator working with RH Enterprise Linux, CENTOS and with DNS and SSH configurations. Demonstrated experience performing applications testing involving/requiring: RedHat Linux or advanced general Linux knowledge; trouble shooting of standard daemons and tools (NFS, NTP, BIND, APACHE, SYSLOG, logrotate, chkconfig, init scripts, curl general networking, etc.)
• Proficient and able to apply knowledge/experience in the following areas:
o Provide system administration service for Linux infrastructure and development systems (practical experience with RedHat Yellow Dog Updater (U+YUM) and RHCTA or higher) certification is highly desired.
o Familiarization with shell scripting languages such as Rubym KSH, BASH execution and analysis
o Maintain scripts for loading machines using KickStart and Puppet manifests and perform/verify system configurations
o Apply experience to automate system installations using tools such as KickStart
o Assemble, reassemble and provision operation systems for development, testing and production environments. L
o Apply hands-on experience configuring and troubleshooting Blade Centers and Dell servers
o Knowledge of virtualization software to include ESXi (VMWARE) and KVM (CENTOS), and High Availability Configuration
o Apply Networking Skills and knowledge of TCP/IP networking
o Knowledge of Cisco or other vendor switch configuration
o Working knowledge of Windows server and domain administration
o Proacively contribute to the team and recommend technical and procedural enhancements
o Work closely with other team members and be able to demonstrate independent skill set when working on the team


Top Secret /SCI with Poly

Job Requirements

Requires Bachelor's degree (in Computer Science or related field) or equivalent, and ten to twelve years of related experience.