Sr. Linux Systems Administrator
Location: Pensacola, FL
Must have an active Secret Security Clearance
Node is supporting a U.S. Government customer on a large mission-critical development and sustainment program to design, build, deliver, and operate a network operations environment, including introducing new cyber capabilities to address emerging threats.
Node is seeking a Sr. Linux Systems Administrator to support the design, development, and deployment of advanced cybersecurity capabilities.
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 toolsets.
•Install, configure, support, and maintain middleware (e.g., JBoss, Apache, Tomcat, Nginx, etc.) to support the DevOps toolsets.
•Works closely with application and product teams in understanding their specific automation requirements and implementing 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 toolsets.
•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 toolchain through research and investigation, application team input, automation options, POCs, etc.
Requirements
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 7 or 8 (RHEL7 / RHEL8) 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, Puppet, Chef and/or Ansible
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 computing environments such as Hadoop
•Experience with Amazon Web Services (AWS) platform capabilities, including a 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)
Company Overview:
Node.Digital is an independent Digital Automation & Cognitive Engineering company that integrates best-of-breed technologies to accelerate business impact.
Our Core Values help us in our mission. They include:
OUR CORE VALUES
Identifying the~RIGHT PEOPLE~and developing them to their full capabilities
Our customer's "Mission" is our "Mission". Our~MISSION FIRST~approach is designed to keep our customers fully engaged while becoming their trusted partner
We believe in~SIMPLIFYING~complex problems with a relentless focus on agile delivery excellence
Our mantra is "~Simple*Secure*Speed~" in the delivery of innovative services and solutions
Benefits
We are proud to offer competitive compensation and benefits packages to include:

• Medical
• Dental
• Vision
• Basic Life
• Long-Term Disability
• Health Saving Account
• 401K
• Three weeks of PTO
• 10 Paid Holidays
• Pre-Approved Online Training