Vexterra Group is currently searching for a Senior Systems Integrator Engineer to provide the following systems support in Reston VA or Bethesda, MD office: You will work closely with other infrastructure and network engineers, system engineers and O&M team members on the following key tasks: DUTIES •    Perform Linux builds, installs, configuration, administration, and troubleshooting of both Linux and Windows platforms to include but not limited to base configuration, security and system patching, performance monitoring, etc.  •    Provide O/S hardening (STIG, OpenSCAP, ACAS) and system patching  •    Develop server builds for virtual and physical environments •    Manage, maintain, configure, and deploy system integration tools such as Kubernetes, Rancher, Helm  •    Support management and integration of DevOps tools such as Jenkins   •    Deploy, operate, diagnose, and maintain containerized (Docker) microservices across orchestrated (Kubernetes) environments   •    Maintain and orchestrate services and procedures for a big data pipeline which includes kafka, Elasticsearch, and several in house written python/java running on Kubernetes  •    Develop scripts to monitor and check health of the deployed pipeline  •    Maintain and develop DevOps automation using tools (e.g., Saltstack, Ansible, Chef, Puppet)  •    Design, develop, and support scalable, redundant infrastructure to include physical and virtualized environments  •    Set up administrator and service accounts, maintain system documentation, tune system performance, install system wide software, validate and implement critical system patches, and allocate mass storage space •    Improve existing infrastructure to incorporate latest technology best practices and cross application integrations  •    Participate as needed in all phases of software development with emphasis on the planning, analysis, integration, and documentation phases  •    Manage the code transfer and modification   •    Conduct automated unit and system integration tests to identify and provide feedback on failed modules and components   •    Participate in code design reviews and updates  •    Support CM activities  •    Administer system to system data transfer and integration process   REQUIREMENTS •    A Bachelors Degree in Information Technology, or a closely related discipline or 4 years of additional relevant professional experience •    At least 6 years of relevant professional experience •    Must have an active TS/SCI with Counterintelligence Poly •    Experience in system integrations testing through a full system development life cycle, including implementing test plans, test cases and test processes  •    Experience with security requirements derivation   •    Experience documenting test results for corrective actions, reporting and audits  •    Excellent verbal and written communication skills  •    Ability to work in a team and also a self-starter who can work on their own  •    Expertise in configuration, administration, and troubleshooting of Linux (RHEL/CentOS, Ubuntu) to include kernel panic recovery; Configuring SSSD, AIDE, SELinux, auditd; and O/S hardening – STIG, OpenSCAP, ACAS.  •    Highly proficient with Patching: yum repositories, APT repositories  •    Highly proficient with Server builds: virtual and physical  •    Experience with installing and deploying DevOps tools, examples could include Chef, Puppet, Git, Docker, Jenkins, Ansible, Salt, etc.  •    Knowledge of Atlassian software such as JIRA, JIRA Service Desk, Confluence, Bitbucket, HipChat, etc.  •    DoD 8570 IAT II Certification (e.g. Security +) PREFERRED SKILLS •    Kubernetes, Ansible, Puppet, Salt, Linux, Git, Python, Elasticsearch, Logstash, IPA, AWS, OpenStack, Java, Kafka, Hadoop, etc.  •    Experience establishing large computer clusters  •    Experience in continuous configuration automation (CCA) methods for providing a flexible, programmatic platform for deploying and managing the configuration of infrastructure and application resources.  •    Experience in applying both agent-based and agentless (e.g. SSH) methods to event-driven orchestration and remote execution for configuration management •    Experience in applying automated configuration management and deployment tools (e.g. Puppet, Chef, Ansible, and Salt) for configuration automation, cloud control, and event-driven orchestration. Powered by JazzHR