Role Infrastructure Engineer L3
Location- Dallas, TX Hybrid
Role Overview
An experienced Infrastructure Engineer / Technical Specialist with 8+ years of experience in supporting, implementing, and troubleshooting enterprise IT infrastructure environments. Strong hands-on expertise across compute, storage, networking, hosting services, security, and cloud platforms, with the ability to contribute to infrastructure improvements, maintain operational stability, and support scalable and secure IT services.
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Key Responsibilities
Enterprise Infrastructure Architecture
o Support the implementation, configuration, and maintenance of enterprise IT infrastructure across on-premises, hybrid, and cloud environments.
o Analyze technical requirements and contribute to stable, scalable, and secure infrastructure solutions under the guidance of senior architects or leads.
o Ensure infrastructure changes follow organizational standards, operational procedures, and compliance requirements.
Infrastructure Support & Improvement
o Monitor infrastructure performance, identify improvement areas, and recommend practical enhancements to improve reliability and efficiency.
o Assist in infrastructure upgrade, migration, and modernization activities based on defined project plans and technical guidelines.
o Prepare technical documentation, implementation notes, and operational handover details for infrastructure changes.
Capacity Planning & Resilience
o Perform capacity planning for compute, storage, network, and cloud resources to support enterprise workloads efficiently.
o Support backup, data retention, high availability (HA), and disaster recovery (DR) activities as per defined standards and runbooks.
o Participate in DR drills, failover testing, and infrastructure validation activities.
Cloud & Hybrid Infrastructure
o Support and administer cloud-based infrastructure services on platforms such as AWS and Microsoft Azure, focusing on availability, security, and cost awareness.
o Work with IaaS, PaaS, and hybrid cloud environments for provisioning, monitoring, and operational support.
o Assist in cloud migration and infrastructure transition activities, including assessment inputs, build support, testing, and post-migration validation.
o Use automation and configuration management tools such as Ansible, Chef, or equivalent technologies for standard operational tasks.
Security & Compliance
o Implement and follow IT infrastructure security policies and procedures across supported environments.
o Ensure infrastructure operations comply with security, access control, patching, and vulnerability management requirements.
o Coordinate with security teams to address findings, remediate risks, and maintain a secure infrastructure posture.
Operational Excellence & Technical Support
o Support cost-effective infrastructure operations by identifying right-sizing, utilization, and standardization opportunities.
o Contribute to infrastructure optimization initiatives, including automation, monitoring improvements, and operational process enhancements.
o Provide L3 technical support for complex infrastructure incidents, service requests, problem investigations, and change activities.
Database & Data Platform Expertise
o Provide support and technical coordination for Relational, NoSQL, and Big Data platforms, including:
Oracle, SQL Server, PostgreSQL
Hadoop, Spark, and other open-source big data technologies
o Support data platform availability, performance monitoring, backup coordination, and access/security compliance.
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Technical Skill Set
Infrastructure Domains: Compute, Storage, Network, Hosting, Data Centers, Hybrid IT
Cloud Platforms: AWS, Microsoft Azure
Automation & Configuration: Ansible, Chef
Databases & Data Platforms: Oracle, SQL Server, PostgreSQL, Hadoop, Spark, NoSQL
Security: Security operations support, compliance controls, access management, patching, and vulnerability remediation
Resilience: Backup, Disaster Recovery, High Availability, Data Retention
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Value Delivered
Maintains infrastructure stability through effective L3 technical support
Supports infrastructure modernization, migration, and cloud operations
Improves operational efficiency through automation, monitoring, and process improvement
Acts as a strong technical contributor for infrastructure operations and delivery teams
