Sr. Linux Systems Administrator

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