Linux Administrator

Credence has an immediate opening for a Linux Administrator to support the Defense Logistics Agency (DLA) Enterprise Sourcing, Medical and Contingency (ESMC) Portfolio Hosting Support contract. Responsibilities Collaborate with a large team of Cloud Engineers, Solutions Architects, and Cybersecurity Professionals to manage and modernize workloads in the cloud. Troubleshoot complex problems and design and implement solutions. Build automation to eliminate mundane tasks. Document any developed processes and procedures. Linux System Administration: Administer, configure, and maintain RHEL server environments, ensuring system availability, performance, and reliability across enterprise infrastructure. System Maintenance & Patching: Perform system patching, updates, and configuration management in accordance with government and enterprise security requirements, maintain baseline configurations and ensure compliance with security standards (e.g., STIGs). User & Access Management: Manage Linux user accounts, permissions, and access controls, support identity and access management processes in secure environments. Troubleshooting & Operational Support: Diagnose and resolve system, application, and access-related issues in a timely manner; provide Tier II/III technical support for Linux environments. Cybersecurity & Compliance: Implement and maintain cybersecurity controls aligned with federal standards and RMF requirements; support vulnerability scanning, patch remediation, and continuous monitoring activities. Virtualization & Infrastructure: Support virtualized Linux environments and enterprise platforms (e.g., VMware, cloud-based infrastructure); assist with provisioning, deployment, and sustainment of systems. Configuration Management & Documentation: Participate in change management processes and maintain accurate system documentation; ensure all changes are tracked and compliant with Government-directed processes. Qualifications US citizenship with the ability to obtain a public trust. Bachelor’s degree in Information Technology, Computer Science, or related field (or equivalent experience). 5+ years of experience in Linux system administration in enterprise or government environments. Current CompTIA Security+ Certification or ability to obtain it in the first 60 days. Current AWS Certification or ability to obtain it in the first 90 days. Ability to work and produce results in an agile and fast-paced environment with dynamic deadlines. Experience with automation/scripting (e.g., Bash, Python, Ansible). Experience with Linux OS (RHEL, CentOS, Ubuntu). Experience with system patching, configuration management, and troubleshooting. Experience with user account and access management. Experience with virtualization platforms and/or cloud infrastructure. Experience with networking fundamentals and system performance tuning. Familiarity with cybersecurity best practices, including STIG implementation and vulnerability remediation. Preferred Qualifications Experience supporting DLA, DoD, or federal enterprise IT environments. Strong AWS skills. Proficiency with Infrastructure as Code (Terraform, Cloud Formation). Proficiency with containerization in the cloud (EKS, ECS, Fargate). Familiarity with RMF (Risk Management Framework) processes. Experience supporting enterprise service management or logistics systems. Relevant certifications (e.g., Security+, RHCSA/RHCE, AWS, etc.). #J-18808-Ljbffr Credence