Senior Linux System Administrator

LHH Recruitment Solutions is seeking a Senior Linux Systems Engineer in Tempe, AZ to join a highly technical infrastructure team supporting complex and mission-critical business systems. This individual will play a key role in designing, maintaining, automating, and optimizing enterprise Linux environments while contributing to modernization and cloud initiatives.Title: Senior Linux Systems EngineerType: Direct Hire/PermanentLocation: Primarily Remote; Candidates will report on-site in Tempe, AZ one to two times per monthCompensation: $100,000 - $125,000 (flexible for candidates with extensive experience)Benefits: Health/Dental/Vision/401(k)/PTO/Holidays etc.Job DescriptionDesign, implement, maintain, and enhance Linux-based infrastructure environments.Administer and support Red Hat Enterprise Linux (RHEL), Ubuntu, and other Linux distributions.Develop and maintain automation and scripting solutions using Python, Bash, GitLab, and related technologies.Troubleshoot complex system, application, networking, and infrastructure issues.Support highly available environments with a focus on stability, reliability, and performance.Monitor system health, capacity, and operational performance.Assist with infrastructure modernization and cloud migration initiatives.Implement security best practices, vulnerability remediation, and platform hardening.Support virtualization technologies and enterprise storage environments.Document system configurations, procedures, and operational standards.Participate in technical planning, architecture discussions, and infrastructure improvements.Serve as an escalation point for advanced Linux administration and engineering challenges.Qualifications:5+ years of Linux Systems Administration or Linux Engineering experience preferred.Strong experience supporting enterprise Linux environments, including RHEL and Ubuntu.Demonstrated experience writing automation and scripting solutions using Bash and/or Python.Experience managing and troubleshooting production infrastructure environments.Strong understanding of Linux operating systems, services, networking, and performance tuning.Experience with GitLab or similar source control and automation platforms.Knowledge of TCP/IP, DNS, DHCP, VPNs, and network troubleshooting.Ability to work independently while managing multiple priorities.Strong analytical, communication, and problem-solving skills.Experience integrating Linux systems with Windows Active Directory environments is helpful.Exposure to VMware, KVM, or other virtualization technologies is helpful.Experience supporting SAN, NAS, NFS, SMB/CIFS, or other enterprise storage solutions.Familiarity with infrastructure automation tools such as Ansible, Terraform, Puppet, or Chef is helpful.Experience supporting cloud environments including AWS or Azure is helpful.