Senior System Integrator Engineer (TS/SCI)

Job Description

Job Description

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.

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