Arinc International Of Canada Ulc - Sterling, VA

posted 3 months ago

Full-time - Mid Level
Sterling, VA
10,001+ employees

About the position

NightWing is seeking a Sr. Linux Systems Administrator to support the design, development, and deployment of advanced cybersecurity capabilities. This role involves providing ongoing systems administration, technical support, upgrades, and troubleshooting services. The successful candidate will be responsible for full coverage of Linux or Unix system administration functions to support the DevOps tool sets. This includes installing, configuring, supporting, and maintaining middleware such as JBoss, Apache, Tomcat, and Nginx to facilitate the DevOps processes. The Sr. Linux Systems Administrator will work closely with application and product teams to understand their specific automation requirements and implement an optimal Continuous Integration and Continuous Deployment (CICD) pipeline. In addition to these responsibilities, the role requires writing unit tests and integration tests to validate infrastructure code, identifying engineering defects in the existing code base, and constantly improving code quality. The administrator will maintain configuration and support documentation, manage assigned project components to deliver services in accordance with established objectives, and develop automation through programming and scripting to enhance the DevOps tool sets. Collaboration with software development teams is essential to define their DevOps CICD pipeline and processes, as well as to implement and configure the necessary DevOps tools. The role also involves incorporating AWS native cloud services to enhance the performance and resilience of the DevOps tools and infrastructure. The candidate will contribute to the design, documentation, and publication of DevOps and cloud standards, principles, guidelines, and best practices, while seeking opportunities to increase the business value of the DevOps tool chain through research, application team input, automation options, and proof of concepts (POCs). This position is critical in supporting a U.S. Government customer on a large mission-critical development and sustainment program, which includes designing, building, delivering, and operating a network operations environment to address emerging cyber threats.

Responsibilities

  • Provides ongoing systems administration, technical support, upgrades, and troubleshooting services.
  • Provides full coverage for Linux or Unix system administration functions to support the DevOps tool sets.
  • Installs, configures, supports, and maintains middleware (e.g., JBoss, Apache, Tomcat, Nginx) to support the DevOps tool sets.
  • Works closely with application and product teams to understand their specific automation requirements and implement an optimal CICD pipeline.
  • Writes unit tests and integration tests to validate infrastructure code.
  • Identifies engineering defects in the existing code base and constantly improves code quality.
  • Maintains configuration and support documentation.
  • Manages assigned project components to deliver services in accordance with established objectives.
  • Develops automation through programming and scripting to further expand and refine the DevOps tool sets.
  • Collaborates with software development teams to define their DevOps CICD pipeline and processes and implements and configures the DevOps tools with them.
  • Incorporates AWS native cloud services and features to enhance the performance and resilience of the DevOps tools and infrastructure.
  • Contributes to the design, documentation, and publication of DevOps and cloud standards, principles, guidelines, and best practices.
  • Seeks opportunities to increase the business value of the DevOps tool chain through research and investigation, application team input, automation options, POCs.

Requirements

  • Must be a US Citizen.
  • Must have an active Secret clearance and be able to obtain a TS/SCI clearance.
  • Must be able to obtain DHS Suitability.
  • 6+ years of system administration in Linux, ideally Red Hat Enterprise Linux version 8 and 9 (RHEL8 / RHEL9) with the ability to engineer, install, administer and maintain complex system architectures.
  • Experience with Linux OS installation, security hardening, and maintenance.
  • Experience with administration and management of Linux servers to include installation, configuration, optimization, backup & recovery.
  • Experience with Linux performance tuning & troubleshooting, identifying and resolving contention in CPU, memory, networking, disk I/O, etc.
  • Experience with products such as Red Hat Satellite Server, Ansible, and IDM.

Nice-to-haves

  • Experience with Infrastructure as Code (IaC) using Ansible or other comparable products.
  • Experience working in an agile development environment.
  • Experience with software development using Java, RESTful services.
  • Comfortable with multilevel security systems, SELinux, and/or Cross Domain Solutions.
  • Experience with data orchestration software such as Apache NiFi or StreamSets.
  • Experience with distributed compute environments such as Hadoop.
  • Experience with Amazon Web Services (AWS) platform capabilities, including good understanding of the AWS Well-Architected Framework, AWS certification.
  • Experience working in AWS via the CLI and management console.
  • Knowledge and experience configuring Virtual Private Clouds (VPCs).
  • Experience working in DevOps and/or DevSecOps environments.
  • Familiarity with technologies in a cloud environment: ELK Stack (ElasticSearch, Logstash, Kibana), Ansible, Nessus, Zscaler, ClamAV, AIDE, Splunk, DNS, NAT, git, Docker, Kubernetes, OpenShift, Jenkins.

Benefits

  • Parental (including paternal) leave
  • Flexible work schedules
  • Achievement awards
  • Educational assistance
  • Child/adult backup care
  • Medical insurance
  • Dental insurance
  • Vision insurance
  • Life insurance
  • Short-term disability
  • Long-term disability
  • 401(k) match
  • Flexible spending accounts
  • Employee assistance program
  • Employee Scholar Program
  • Paid time off
  • Holidays
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