Linux Systems Administrator

4 weeks ago

McLean, United States Cornerstone Defense Full time

Title:

Linux Systems Adminstrator

Location:

McLean, VA

*Clearance:

*

ActiveTS/SCI w/ Polygraph needed to apply *

Company Overview:

Cornerstone Defense, in partnership with our military, intelligence, and civil government customers,

supports U.S. operations worldwide through the use of many different types of intelligence, satellite, and cyber technologies. Cornerstone’s Intelligence Sector provides solutions to the United States Government for information collection, operations, exploitation and dissemination, and research activities. Our Team specializes in software development, cloud architecture, systems and network engineering, systems integration, agile management, as well as targeting operations and intelligence analysis. Our support to our mission customers includes cyber network operations, exploitation and defense, signals intelligence, human intelligence, and critical missions and networks.

Cornerstone Defense has an immediate need for a

Linux System Engineer

to be a member of the IT team that is the Londinium Program. The Londinium Program is comprised of linux (80%), windows (20%), virtualization, storage, network, HW, and data center engineers that works as a team and, offers rewarding opportunities to think outside the box in order to deliver innovative and sustainable IT environments to our customers. The Londinium system administrators work both independently and as a member of an integrated product team supporting a wide variety of basic and complex computing and network configurations and must have proven Linux experience.

The on-site system administrator will support the installation, configuration, maintenance, failure analysis and recovery, performance monitoring, data storage management, and security management of the data center environment. The system engineer will haveexperience in at least one, preferably two, scripting languages (shell, Perl, Powershell, Python, etc.) and shall have proven experience administering Linux operating systems in the conduct of their duties. The right candidate will have proven experience in problem solving.

Specific duties and responsibilities of the Linux System Engineer may include, but are not limited to:

Architecting, deploying, and managing large Linux networked environments including deployment and configuration

Installing, configuring, updating and removing system and application software

Hardening Linux serverinstallations

Installing, configuring, updating and removing system hardware (servers, workstations, transceivers, network interface cards)

Configuring NFS, SAMBA, and SAN

Monitoring and allocating system resources (CPU, memory, and storage space)

Proven experience creating, implementing, and maintaining scripts for process automation, infrastructure monitoring, and proactive reporting

Auditing system log files, to include compliance audits

Diagnosing and troubleshooting hardware and software problems

Documenting hardware and software configurations, maintenance history, and backup history

Implementing up-to-date system policies and procedures

Updating/patching system operating systems

Proven experience in all aspects of managing large Linux environments including the use of configuration management tools like Puppet and Ansible for centralized management and configuration of systems to enforce security controls

Ability to utilize analysis tools to resolve complex network, systems, and application performance problems

Responding to inquiries concerning all aspects of computer and network operations

Creating and managing user/group accounts (ex: Active Directory (AD))

Minimum Qualifications and Education:

Bachelor’s Degree in computer science, information systems, engineering, mathematics, or equivalent experience, and six (6) years of relevant experience (see below bullets). Fourteen (14) years of equivalent military training and/or experience in an information technology field will be considered in lieu of a degree.

Five (5) years or more of total intelligence community relevant work experience as a system administrator

Five (5) years’ experience as a system administrator

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