At RED GATE we do everything we can to serve our clients: Using the right technical skills, unique methodologies, best practices, and integrated technology, we help clients implement bold solutions. New approaches to emerging and evolving threats. Non-traditional ways to overcome entrenched obstacles. Advantage through opportunity. If you have a serious challenge or problem, we can help you solve it.  The below job description provides details on how this role will help to serve our clients. Red Gate Group is seeking a skilled Site Reliability Administrator to support the Defense Threat Reduction Agency (DTRA) in Reston, VA. In this vital role, you will ensure mission-critical back-end infrastructure remains operational, secure, and compliant. You will help maintain and scale clustered environments, drive innovation, and lead efforts in automation. This position offers the opportunity to work in a dynamic environment while enhancing your skills in Red Hat Linux automation and site reliability engineering. As a Site Reliability Administrator, you will balance operations and maintenance, security compliance, and technological innovation. You will serve as a technical mentor and innovation leader within the team, contributing to the development of cutting-edge solutions for a high-profile client mission. Key Responsibilities: + Manage and secure Red Hat Enterprise Linux (RHEL) systems in a multi-tenant enterprise environment. + Automate operational tasks using tools like Ansible and Red Hat Satellite to ensure compliance and efficiency. + Ensure system stability by supporting weekly maintenance and addressing outages in accordance with SLAs. + Lead team efforts in scaling and maintaining clustered environments. + Collaborate across teams and workstreams to foster innovation and share technical knowledge. + Active TS/SCI  + 3-5+ years of experience with management, security, and automation of Red Hat Enterprise Linux (RHEL) systems in a multi-tenant enterprise network environment + Experience with security and compliance frameworks (i.e., DoD STIGs, NIST 800-53) and remediation strategies in RHEL environments + Proficient with automation tools like Ansible and Red Hat Satellite for the streamlining of operational tasks and maintaining compliance of systems + Ability to support weekly maintenance and respond to outages on a rotational basis, ensuring minimal disruption in multi-tenant operations in accordance with Operations SLAs + DoD 8570/8140 for IAT2 Level Certification, including but not limited to Security + CE, Red Hat Certified Systems Administrator (RHCSA), and Red Hat Certified Engineer (RHCE) Desired Skills & Qualifications + Experience with Kubernetes orchestrations, scaling, and troubleshooting in multi-tenant environments + Experience building, maintaining, and securing CI/CD pipelines using DevSecOps principles in Kubernetes environment + Familiarity with managing and configuring Kubernetes environments, including tools like Rancher, Helm, and Harbor + Knowledge of container networking and security best practices within Kubernetes + Kubernetes certifications (e.g., Certified Kubernetes Administrator - CKA or Certified Kubernetes Application Developer - CKAD) + Experience with Agile development methodologies and working on Agile teams using collaboration tools, including Jira, Confluence, or Discourse + Experience managing and deploying applications in an air-gapped environment + Experience working with CM tools, including Gitlab, Git-centric, and CI/CD workflows The Red Gate Group, Ltd. is an Equal Opportunity/Affirmative Action Employer. The Red Gate Group, Ltd. considers applicants without regard to race, color, religion, age, national origin, ancestry, ethnicity, gender, gender identity, gender expression, sexual orientation, marital status, veteran status, disability, genetic information, citizenship status, or membership in any other group protected by federal, state, or local law.  EEO is the Law (https://www.eeoc.gov/employers/upload/eeoc\_self\_print\_poster.pdf)