Diné Development Corporation · 12 hours ago
UNIX Administrator
Diné Development Corporation is a Navajo Nation owned family of companies that delivers IT, professional, and environmental solutions. They are seeking a UNIX Administrator to provide senior-level administration and support for UNIX and Linux operating systems within the Defense Logistics Agency's Critical Cloud and Infrastructure Support program.
Executive Office
Responsibilities
Install, configure, administer, and maintain UNIX/Linux operating systems including Red Hat Enterprise Linux (RHEL), AIX, Solaris, or HP-UX
Perform system monitoring, performance tuning, patching, and troubleshooting to ensure system stability and availability
Design, implement, and maintain high availability, clustering, and load balancing solutions for UNIX/Linux systems
Develop and enforce security hardening configurations in accordance with DISA STIGs, RMF, and DoD cybersecurity policies
Plan and execute system upgrades, migrations, and data transfers across UNIX/Linux environments
Implement and test backup, replication, and disaster recovery solutions to support continuity of operations
Automate system administration tasks using scripting languages such as Bash, Python, or HCL and tools such as Ansible or Puppet
Collaborate with network, database, virtualization, and cybersecurity teams to ensure integrated system operations
Maintain detailed system documentation including build guides, architecture diagrams, and operational procedures
Provide tier III technical support and mentor junior administrators in UNIX/Linux best practices
Other duties as assigned
Qualification
Required
Must possess an active Secret clearance and be eligible for IT-I (Tier 5/SSBI) / Critical Sensitive access. U.S. Citizenship required
DoD 8570.01-M IAT Level II baseline certification (e.g., Security+, CASP+, or CISSP)
One of the following Google Cloud Platform certifications: Associate Cloud Engineer or Professional Cloud Architect
Current Microsoft certification under the 'Server Admin UNIX/Linux Operating System' role listed on the DLA Approved Cybersecurity (CS) Computing Environment (CE) List
Bachelor's Degree in Information Technology, Computer Science, or a related technical discipline
Seven (7) years of progressive systems administration experience on UNIX/Linux operating systems (AIX, Solaris, HP-UX, or RHEL)
Five (5) years of experience supporting disaster recovery, data replication, and high availability environments
Five (5) years of hands-on experience troubleshooting, tuning, and patching UNIX/Linux systems
Experience administering clustered, load-balanced, and virtualized UNIX/Linux server environments
Knowledge of hybrid and cloud-integrated UNIX/Linux environments leveraging AWS, Azure, GCP, or OCI
Strong understanding of DoD cybersecurity requirements including RMF, DISA STIGs, and audit readiness
Excellent analytical, documentation, and communication skills
Minimum seven (7) years of progressive experience administering enterprise UNIX/Linux operating systems, including demonstrated expertise supporting high-availability and mission-critical systems in DoD or Federal environments
Preferred
Additional certifications such as Red Hat Certified Engineer (RHCE), Red Hat Certified System Administrator (RHCSA), or CompTIA Linux+ are preferred
Five (5) years of hands-on experience supporting Department of Defense (DoD) IT hosting solutions
Extensive hands-on experience with Red Hat Enterprise Linux (RHEL) 8 or newer
Experience supporting commercial cloud provider hosting solutions including Google Cloud Platform, AWS, Azure, and OCI
Proficiency in scripting languages such as Bash, Python, and HashiCorp Configuration Language (HCL)
Experience implementing and sustaining automation capabilities using Ansible, Puppet, or similar tools
Expertise diagnosing and resolving complex performance issues related to CPU, memory, disk I/O, and networking
Strong understanding of network fundamentals including VPNs, firewalls, and remote access configurations
Experience designing and architecting enterprise solutions across both UNIX/Linux and Windows environments
Demonstrated ability to operate effectively in high-pressure environments and manage critical incidents professionally
Company
Diné Development Corporation
Diné Development Corporation (DDC) is a family of companies that delivers IT, engineering, and professional services solutions that solve the dynamic challenges of federal agencies.