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Systems Administrator
2 weeks ago
Job Responsibilities:
- Provides ongoing systems administration, technical support, upgrades, and troubleshooting services.
- Provide full coverage for Linux or Unix system administration functions to support the DevOps tool sets.
- Install, configure, support, and maintain middleware (e.g., JBoss, Apache, Tomcat, Nginx, etc.) to support the DevOps tool sets.
- Works closely with application and product teams in understanding their specific automation requirements and implement with them an optimal CICD pipeline.
- Write unit tests and integration tests to validate infrastructure code.
- Identify engineering defects in the existing code base and constantly improve the code quality.
- Maintain configuration and support documentation.
- Manage assigned project components to deliver services in accordance with established objectives.
- Develop, through programming and scripting, automation to further expand and refine the DevOps tool sets.
- Work closely with the software development teams in defining their DevOps CICD pipeline and processes and implement and configure the DevOps tools with them.
- Incorporate AWS native cloud services and features to enhance the performance and resilience of the DevOps tools and infrastructure.
- Contribute and collaborate to design, document, and publish DevOps and cloud standards, principles, guidelines and best practices.
- Seek opportunities to increase the business value of the DevOps tool chain through research and investigation, application team input, automation options, POCs, etc.
Required Skills:
- 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.
Desired Skills:
- 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 Amazon Web Services (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 the following technologies in a cloud environment: ELK Stack (ElasticSearch, Logstash, Kibana), Ansible, Nessus, Zscaler, ClamAV, AIDE, Splunk, DNS, NAT, git, Docker, Kubernetes, OpenShift, Jenkins
Required Education:
- Bachelor’s degree in systems engineering, Computer Science, Information Systems or related technical field.
- Two years of related work experience may be substituted for each year of degree level education.
Desired Certifications:
- DoD 8570.1 IAT Level II
- Red Hat Certified System Administrator (RHCSA)
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