Sr. Linux System Administrator

Found in: Dice One Red US C2 - 2 weeks ago


Annapolis Junction, United States Cornerstone Defense Full time

Title: Sr. Linux System Administrator - Technical Team Lead Location: Annapolis Junction, MD *Clearance: *Active TS/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. Description: Contractor will be supporting an enterprise wide mission environment. Minimum of 10 years experience as a Linux System Admin / Eng. This position will serve as the technical team lead. The candidate must have sufficient technical depth to lead a team of System Admins and DBAs deploying and maintaining data protection services. The team lead will need to establish and document processes to streamline/automate quarterly patches, STE/STN compliance, system upgrades, health system monitoring, and reporting and responding to event notifications. Will work closely with project manager to meet customer objectives and needs to have strong written and oral communication skills. The team lead will need to advise the customer and make technology recommendations. Required: Linux - (CentOS/RHEL) Linux admin certification desired Required: Extensive experience installing, configuring, maintaining JBoss. Required: VMWare VM creation, configuration, and operation experience Required: Security + 2 / IAT 2 certification Highly Desire: Experience with RH Ansible Other Desired experience: * Storage * Management (ex LG, PV, LVM * Protocols (ex NFS, SAMBA, ISCSI) * SAN Storage configuration * Understanding of network storage (ex. NAS and SAN) * Networking * * Understanding of networking concepts and principles * Routing, IPSec * Security Compliance * * YUM Patching * IAVA Remediation * Server certificate management * Automation (ex. Ansible, Puppet, SALT) * SELinux * Authentication * * Users and Group Management * Understanding of Active Directory and DNS * User certificate management * Scripting: Shell, Python preferred * * Physical Server Administration * Other Desired Skills, Education, or familiarization * Oracle Database and possibly some DBA experience * JavaScript Object Notation (JSON) Centrify Work Location: National Business Park, Annapolis Junction, Maryland. Duty Hours: Monday - Friday 0800 - 1700 (Flexible). Note: Project requires scheduled OCBs on Saturday evenings on an as needed basis. Some after-hours call-in support may be needed, but no weekly rotations call-in. Qualifications: * Minimum General Experience: At least twelve (12) years developing and delivering IT Architectures or IT systems design/ engineering services or supported that activity with an organization. * Functional Responsibility: Provides architecture and business consulting services. Functions as lead consultant and project manager on technically complex projects. * Minimum Education: A MS in Computer Science, or related discipline, or equivalent years of experience.


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