Senior System Integrator Engineer (TS/SCI)

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.