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.