Diné Development Corporation · 2 hours ago
Systems Administrator (Senior)
Diné Development Corporation is a Navajo Nation owned family of companies that delivers IT, professional, and environmental solutions. They are seeking a Senior Systems Administrator to provide advanced systems administration and operational support for enterprise IT environments, particularly within the Defense Logistics Agency's Critical Cloud and Infrastructure Support program.
Executive Office
Responsibilities
Install, configure, administer, and maintain enterprise server systems across Windows and Linux operating environments
Monitor system performance, availability, and capacity; proactively identify and remediate issues affecting service delivery
Perform system patching, upgrades, and lifecycle management in accordance with DISA STIGs and DoD policies
Design, implement, and maintain high availability, backup, and disaster recovery solutions for enterprise systems
Provide tier III troubleshooting and root cause analysis for complex system, hardware, and software issues
Coordinate with network, virtualization, database, and cybersecurity teams to ensure integrated and secure system operations
Develop and maintain technical documentation including system build guides, standard operating procedures, and architecture diagrams
Support automation and configuration management using tools such as Ansible, PowerShell, Bash, or Terraform
Participate in security audits, vulnerability remediation, and RMF activities to maintain compliance and audit readiness
Mentor junior administrators and provide technical leadership during system outages and critical incidents
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
Plus one or more of the following certifications: AWS Certified Cloud Practitioner, AWS Certified Solutions Architect (Associate or Professional), AWS Certified SysOps Administrator, Microsoft Certified: Azure Administrator Associate, Microsoft Certified: Azure Solutions Architect Expert, Microsoft Certified: Azure Security Engineer Associate, Oracle Cloud Infrastructure Cloud Operations
Bachelor's Degree in Information Technology, Computer Science, or a related technical discipline
Seven (7) years of progressive experience in systems administration supporting enterprise IT environments
Hands-on experience administering both Windows Server and Linux operating systems in large-scale environments
Experience supporting high availability, disaster recovery, and data replication solutions
Strong understanding of virtualization technologies and integration with VMware or cloud platforms
Knowledge of DoD cybersecurity requirements including RMF, DISA STIGs, and audit processes
Experience working in DoD or Federal information systems environments
Excellent analytical, troubleshooting, documentation, and communication skills
Minimum seven (7) years of progressive experience administering enterprise systems, with demonstrated expertise supporting mission-critical environments in DoD or Federal information systems
Preferred
Five (5) years of hands-on experience supporting Department of Defense (DoD) IT hosting solutions
Experience supporting and integrating systems across on-premise, virtual, and cloud environments
Proficiency with automation and configuration management tools such as Ansible, Terraform, PowerShell, or Bash
Strong understanding of network fundamentals including VLANs, firewalls, VPNs, and routing concepts
Experience implementing and maintaining DISA STIG compliance, patching, and audit readiness
Knowledge of containerization or orchestration technologies such as Docker or OpenShift
Demonstrated ability to operate effectively in high-pressure environments and resolve critical incidents
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.