Unix/Linux Administrator

DMI•Washington, DC

5d•$121,600 - $152,000•Hybrid

About The Position

DMI, LLC is seeking a Unix/Linux Administrator to join our team. As a Unix/Linux Administrator, you will play a key role in designing, implementing, and maintaining Linux-based systems. Combining your knowledge of RHEL, cloud platforms, Oracle Linux, you will ensure our systems are stable, secure, and performant. Your responsibilities will include end-to-end management of our Linux environment and collaboration with cross-functional teams to support mission-critical applications.

Requirements

Solid understanding of networking protocols (TCP/IP, DNS, HTTP/HTTPS, VPN, etc.).
Experience with virtualization technologies (VMware, Hyper-V, etc.).
Expertise in shell scripting (Bash, Python, etc.) and troubleshooting.
Experience with version control tools like Git.
Understanding of system security best practices and tools.
Strong organizational skills with attention to detail.
Demonstrated ability to complete technical projects independently.
Strong problem-solving skills, along with excellent written and oral communication skills.
Candidate must be able to meet DoD IAT Level 2 Certification requirements (Currently Security+ CE, CCNA-Security, GSEC, or SSCP).
Must possess or be eligible to obtain and complete a Public Trust background investigation and/or a Public Trust clearance.
Must be a U.S. Citizen.

Nice To Haves

Red Hat Certified Engineer (RHCE) or Linux Professional Institute Certification (LPIC-2) and CompTIA Linux+

Responsibilities

Install, configure, and maintain Linux-based servers and systems (RedHat).
Manage system performance, monitoring, backups, and troubleshooting.
Ensure system security by configuring to CIS recommended baselines and applying patches and updates.
Collaborate with the other operations teams to configure environments and troubleshoot system-related issues.
Monitor and resolve hardware, software, and networking issues in a timely manner.
Perform routine system upgrades, patching, and security compliance checks.
Provide troubleshooting and technical support for escalated issues.
Resolve incidents and tasks as assigned.
Provide emergency response to critical outages or incidents.
Document system configurations, procedures, and troubleshooting steps for internal use.