System Administrator (RHEL)DT Professional Services • US
System Administrator (RHEL)
DT Professional Services • US
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[job_card.job_description]Provide maintenance, sustainment, installation, configuration, patching, troubleshooting, break-fix, data protection, and vulnerability remediation for RHEL 8 & 9 systems running in Azure Government Cloud across multiple US Gov regions. Scale and maintain RHEL environments, including deploying and upgrading virtual machines, supporting hybrid cloud configurations, and managing servers, clusters, highly available infrastructures, and RHEL endpoints. Support and administer critical services including LDAP, SYSLOG, DNS / BIND, JAVA, NTP, SMTP / Mail Relay, and RHEL patching. Maintain full DISA STIG compliance, complete STIG checklists, run SCAP / eVALUATE scans, identify vulnerabilities, and remediate findings. Maintain and administer Red Hat Satellite Server (or approved services) to manage updates, package distribution, and system configuration. Provision, configure, and maintain Azure Dedicated Hosts and Host Groups for hardware isolation supporting IL2, IL4, and IL5 workloads. Manage backup and disaster recovery solutions using Azure Backup, Recovery Services Vaults, snapshots, or approved services, ensuring compliance, application consistency, business continuity, and cost optimization. Configure and maintain Azure Hybrid Benefits for RHEL servers. Support RMF Steps 1–6 to meet ATO requirements and maintain system accreditation timelines. Ensure ongoing STIG compliance, routine patching execution, and security control monitoring aligned with SCCA requirements. Manage and update Plan of Action & Milestones (POA&Ms), ensuring vulnerabilities are tracked, mitigated, and resolved within required timeframes. Conduct continuous monitoring of systems following the approved System Level Continuous Monitoring (SLCM) strategy. Review ACAS scan results and update POA&Ms in accordance with DoD and DON standards. Maintain hardware / software inventory and system assessment documentation, updating annually or upon environmental changes. Active DoD Secret clearance or higher. Active IAT Level II Certification or higher. Bachelor’s degree in Information Technology, Computer Science, Cybersecurity, or a related technical field. 3–5+ years of experience administering RHEL 8 / 9 environments. Strong hands-on experience with Azure Government Cloud, Azure VMs, and Azure Dedicated Hosts. Experience with DoD cybersecurity requirements including DISA STIGs, SCAP, ACAS, and RMF activities. Proficiency managing RHEL services such as LDAP, SYSLOG, DNS / BIND, NTP, JAVA, and SMTP. Experience with backup technologies and disaster recovery in cloud environments. Familiarity with hybrid cloud architectures and highly available systems. Experience with Red Hat Satellite Server administration. AZ-104 : Azure Administrator AZ-900 : Microsoft Azure Fundamentals AZ-305 : Azure Solutions Architect RHCSA : Red Hat Certified System Administrator RHCE : Red Hat Certified Engineer Experience supporting Navy, NAVFAC, DISA, or other DoD organizations. Experience working with Impact Level (IL2 / IL4 / IL5) systems. $105,000.00 - 135,000.00 More about DT Professional Services : We’re looking for driven individuals to contribute to our talented & innovative team! At DT Professional Services, we offer insurance benefits that include medical, dental, and vision coverage, life insurance, long & short-term disability, 401(k) retirement plans (with employer match), tuition & certificate reimbursement, along with paid time off (vacation / sick / holidays). We are happy to to offer growth opportunities for you to grow in your career - your success is our success! DT Professional Services is an SBA 8(a) and HUBZone certified Small Business; highly experienced in building award-winning custom software solutions. Established in 2013, we bring over a decade of experience delivering technology services and solutions that specialize in web & custom application development, project & program management, mobile & cloud computing services. Our Mission is to provide cutting-edge, customer-oriented technology solutions that maximize value, drive engagement, and empower your business. We do this by employing talented & driven individuals who share the same goals and excitement for the work we do. DT Professional Services believes in fostering collaboration, career growth and building lasting relationships with our employees. Powered by JazzHR
Job Summary :
- DT Professional Services is seeking a System Administrator with strong experience supporting Red Hat Enterprise Linux (REHL) in secure Azure Government Cloud environments.
- The ideal candidate has hands-on expertise with REHL 8 / 9, Azure Virtual Environments and enterprise cloud operations.
- This is a fully remote role, and requires and active Secret security clearance.
Responsibilities :
Basic Qualifications :
Preferred Qualifications :
Azure OR Red Hat certifications such as :
The compensation range for this position :
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