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Systems Administrator Linux

2 months ago

Chantilly, United States Brilliance Cyber Systems INC Full time

Role: Systems Administrator (Linux)

Location: Chantilly VA (Onsite)

Duration: Full Time/Permanent

Job Description:

Responsibilities

Provide daily operational support for Linux and Microsoft Windows operating systems and applications
Support virtual and physical infrastructure of servers running CentOS in a dev test and production configuration and support infrastructure of different applications comprising of end user applications developer tools and infrastructure support applications.
Develop and maintain environments running in Amazon Web Services (AWS).
Maintain the integrity and security of systems by monitoring security feeds and dashboards in support of Continuous Monitoring activities
Develop and maintain standards and procedures for applications across a complex computing infrastructure
Develop and maintain comprehensive documentation
Monitor application and operating system performance; analyze document and remediate incidents
Develop and oversee implementation of testing strategies and document the results
Leverage scripting and system automation tools
Maintain current knowledge of relevant technologies
Research and recommend hardware and software coordinate installation and provide backup recovery
Interact with users and evaluate vendor products
Review incidents to understand the root causes and ensure implementation of proper fixes
Collaborate with system administrators engineers and the client to ensure proper integration of applications

Required Skills:

Clearance: TS/SCI w FS Poly
Extensive experience with Redhat and/or Centos
Demonstrated experience with VMWare ESXi infrastructure 6.x vCenter server host clustering with HA DRS replication
Demonstrated experience in server builds using automated mechanism
Demonstrated experience with Ansible and/or Puppet
Demonstrated experience with Ansible playbooks for virtual and physical instance provisioning configuration management and patching and software development
Demonstrated experience with building upgrading and maintaining applications and services in an AWS account
Demonstrated experience with code maintenance using Git Gitlab and/or Github
Demonstrated experience with Atlassian Jira and Confluence
Demonstrated experience with managing Elasticsearch on CentOS
Demonstrated experience collaborating with other systems administrators storage administrators application developers and network engineers to solve complex problems
Bachelors degree in computer science Information Technology or other related technical discipline or equivalent combination of education technical certifications training and work/military experience.

Preferred Skills:

Certified Linux System Administrator
Knowledge of network engineering fundamentals and network design
Demonstrated experience with Microsoft Windows Server versions
Demonstrated experience with SCCM WDS MS SQL Server Powershell batch scripting
Demonstrated experience working with Syslog applications such as Splunk
Demonstrated experience with NetApp NAS systems a plus
Demonstrated experience with Hadoop infrastructure and applications (HDFS Hue Impala Oozie Solr Spark Yarn Zookeeper) a plus
Demonstrated experience with Cisco Nexus switches and Cisco Firepower Security Appliances a plus
AWS Certification a plus
ITIL Foundations Certification a plus
Certifications relating to IT Security (CISSP GIAC Security) a plus

BENEFITS

Our company has been operating since 1996 and have various contracts with Government agencies. We offer a comprehensive benefit package that includes 3 weeks paid time off 2 weeks Holiday pay medical/dental coverage STD LTD Life Insurance AD&D 401k with up to 4% match and end of year profit sharing paid out in 401k.

Skills and Certifications note: bold skills and certification are required
Redhat/CentOS
VMWare ESXi
vCenter
AWS
Ansible
Puppet

AWS , GITLAB , SPARK , HDFS , POWERSHELL , MS SQL SERVER , LINUX , SCCM , ANSIBLE , ELASTICSEARCH , CENTOS , GIT , MICROSOFT WINDOWS SERVER,VMware,CompTIA,Active TS/SCI Clearance