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Staff Engineer

Grapevine, TX 76051

Category: Infrastructure & Operations Job Number: 44136 Location Requirements: On-Site

Job Description

Staff Engineer, Cloud & Platform Engineering (Application Modernization)
Location: Onsite – Grapevine, TX (5 days/week)
Employment Type: Full-Time
Our client is actively modernizing its technology platform, migrating legacy applications to a cloud-native architecture on AWS. We are seeking a Staff Engineer, Cloud & Platform Engineering to lead and influence this transformation. This role is hands-on and strategic, with a strong focus on application modernization, containerization, and cloud-native infrastructure.
As a Staff Engineer, you will play a critical role in modernizing legacy Windows-based applications, building and evolving our application deployment pipelines, and leading migrations to Linux-based, containerized workloads running on AWS EKS. You will partner closely with application teams, DevOps, and leadership to ensure platforms are scalable, reliable, secure, and cost-efficient.
 
Key Responsibilities Platform & Infrastructure Leadership

  • Lead the design, optimization, and evolution of the AWS-native infrastructure, ensuring scalability, reliability, and security.

  • Serve as a technical authority for cloud and platform decisions, aligning infrastructure strategy with business objectives.
Application Modernization & Migration

  • Lead and support application modernization efforts, including refactoring and replatforming legacy applications.

  • Drive migrations from Windows-based environments to Linux-based, containerized architectures.

  • Partner with application teams to migrate legacy runtimes (including older .NET frameworks) into container-based deployments on AWS EKS.
Kubernetes & Cloud Operations

  • Design, manage, and optimize AWS EKS clusters, including capacity management, performance tuning, and cost optimization.

  • Implement and maintain scalable deployment patterns using Kubernetes, autoscaling, and modern cloud-native practices.
CI/CD & Automation

  • Design and evolve CI/CD pipelines using GitLab and related tooling to support modern application delivery.

  • Leverage Terraform and Infrastructure as Code (IaC) to automate provisioning and ensure consistency across environments.

  • Utilize Python and other scripting languages to improve automation and operational efficiency.
Incident Management & Reliability

  • Lead investigation and resolution of complex cloud and platform incidents.

  • Ensure systems meet or exceed performance, reliability, and SLA expectations.
Cost Optimization & Governance

  • Partner cross-functionally to identify and implement cloud cost optimization strategies, including use of cloud financial management tools.

  • Ensure platform designs follow operational best practices and support long-term maintainability.
Collaboration & Influence

  • Work independently while collaborating across engineering, application, and leadership teams.

  • Mentor engineers and influence best practices across cloud, DevOps, and platform engineering functions.
Required Qualifications

  • Senior/Staff-level experience designing and managing large-scale IT infrastructure in cloud environments.

  • Strong hands-on experience with AWS, including services such as EKS, Lambda, and supporting AWS-native tooling.

  • Deep knowledge of Kubernetes, container orchestration, and cloud-native deployment patterns.

  • Proven experience with application modernization and migration projects, particularly replatforming legacy applications.

  • Strong experience with CI/CD pipelines, GitLab, and DevOps methodologies.

  • Experience using Terraform and Infrastructure as Code to manage cloud environments.

  • Solid understanding of Linux-based environments OR strong Windows-to-cloud migration experience with the ability to operate in Linux-based platforms.

  • Experience driving cost optimization initiatives using data and cloud financial tools.

  • Excellent communication and decision-making skills, with the ability to influence across teams.

  • Prior experience supporting retail or e-commerce platforms is strongly preferred.
Preferred / Nice-to-Have Skills

  • Experience migrating applications from Windows to Linux/container-based environments.

  • Exposure to .NET application modernization, including legacy frameworks.

  • Experience with Karpenter, cloud capacity optimization, and autoscaling strategies.

  • Familiarity with InOps / FinOps practices.

  • Strong scripting experience (Python preferred).

Meet Your Recruiter

Andrea Lee

Text me about this job - 972-419-1609
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About Grapevine, TX

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