Linux Systems Architect

3 weeks ago

Chantilly, Virginia, United States QinetiQ U.S. Full time
Job Title: Linux Systems Administrator

Job Summary:

We are seeking a highly skilled Linux Systems Administrator to join our team at QinetiQ U.S. The successful candidate will be responsible for the installation, configuration, operations, and maintenance of both Linux and Windows-based architectures.

Key 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
* 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
* Monitor application and operating system performance; analyze, document review and remediate incidents to understand the root causes and ensure implementation of proper fixes
* Develop and oversee implementation of testing strategies and document the results
* Collaborate with system administrators, engineers, and the client to ensure proper integration of applications
* Work with tech team to complete required maintenance and patching, DTOs, File Transfers
* Provide security reports (e.g. Log files, Scans, etc.)

Requirements:

* Active TS/SCI clearance with polygraph required
* Bachelor's Degree in Computer Science, Information Technology, or other related technical discipline, or the equivalent combination of education, technical certifications, training, and work experience
* 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

Preferred Qualifications:

* Certified Linux System Administrator a plus
* AWS Certification a plus
* ITIL Foundations Certification a plus
* Certifications relating to IT Security (CISSP, GIAC, Security+) a plus

About QinetiQ U.S.:

QinetiQ U.S. is a world-class team of professionals who deliver next generation technology and products in robotic and autonomous platforms, ground, soldier, and maritime systems in 50+ locations world-wide. Much of our work contributes to innovative research in the fields of sensor science, signal processing, data fusion, artificial intelligence (AI), machine learning (ML), and augmented reality (AR).

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