Senior Platform Engineer, Infrastructure

**PLEASE NOTE: This is a hybrid role requiring in-office presence 3 days per week (Monday-Wednesday or Tuesday-Thursday) with 2 days remote. The candidate must be in or near Charlotte, NC or have plans to relocate. This position includes participation in an on-call rotation to support critical network infrastructure. Additionally, this role does not offer visa sponsorship at this time. THE POSITION As a Senior Platform Engineer on the Infrastructure team, you will own complex systems and problem spaces end-to-end, solving ambiguous problems where the "right" answer isn't always known. You will architect subsystems while anticipating scale and failure modes, drive technical alignment across teams, and mentor junior engineers. This role requires someone who can break down complex projects into executable tasks, make technical tradeoffs between short-term and long-term business needs, and champion new techniques across the organization. You will be responsible for designing and maintaining our hybrid cloud infrastructure spanning Azure, AWS, and on-premises environments. You'll identify technical debt and refactor core infrastructure to improve velocity, solve the "hard" problems that stump others, and uphold quality standards across the team. This is a senior individual contributor role, where you'll act as a technical leader for infrastructure initiatives while actively growing the careers of junior engineers. THE RESPONSIBILITIES Scope & Impact Own problem spaces or projects end-to-end, not just individual features or tasks Define scope for yourself and team members; take ownership of designs spanning multiple people's work Design at solution level, considering upstream/downstream integration across the organization Solve ambiguous infrastructure problems where the "right" answer isn't immediately known Act as technical lead for infrastructure initiatives, breaking down complex projects into executable tasks Architecture & System Design Architect infrastructure subsystems while anticipating scale and failure modes years in advance Analyze and deconstruct complex systems, platforms, and processes to identify improvement opportunities Design and implement cloud infrastructure solutions in Azure (VMs, VNets, Storage, Entra ID) and AWS (EC2, VPC, S3, IAM) Architect and maintain on-premises virtualization platforms including Hyper-V and VMware vSphere Design hybrid cloud connectivity and integration between on-premises and cloud environments Make technical tradeoffs between short-term solutions and long-term business needs Champion new techniques and technologies across the organization Describe detailed system interactions with direct dependencies; document architecture decisions Engineering Practices Develop and maintain Infrastructure as Code using Terraform for multi-cloud provisioning and management Implement and optimize configuration management using Ansible, Chef, or similar tools Build and maintain CI/CD pipelines for infrastructure deployment and configuration changes Identify technical debt and refactor core infrastructure to improve developer and operational velocity Identify and implement automation to streamline delivery and reduce operational toil Administer Windows Server and Linux systems across hybrid cloud environments Manage Active Directory, Group Policy, and Entra ID (Azure AD) for identity and access management Understand relevant architecture at the organization level; integrate disparate methodologies Set guidance and expectations for planning, timelines, and technical standards Quality & Reliability Uphold and elevate quality standards for the team; work to improve quality of output throughout Design key metrics, monitoring, and alerting for infrastructure components Implement observability solutions using SumoLogic, Datadog, or similar platforms Manage high-pressure incident response for services and infrastructure you own Lead team in coordinating deployments with proper communication and change management Solve the "hard" problems that stump others; drive root cause analysis for complex issues Ensure work follows engineering and security standards; solutions are extensible, optimized, and scalable Document designs, team processes, and operational runbooks Participate in on-call rotation to provide support for critical infrastructure Leadership & Collaboration Drive technical alignment and foster collaboration across teams Mentor and coach junior engineers; actively grow the careers of team members Drive technical decisions across the team, handling disagreements and trade-offs constructively Resolve conflicts across teams without being divisive; teach team to integrate disparate approaches Provide actionable feedback during code reviews, design reviews, and technical discussions Partner with InfoSec, DevOps, Network, and Application teams on cross-functional initiatives Communicate technical concepts clearly to both technical and non-technical stakeholders QUALIFICATIONS Required Experience 5-8+ years of experience in Platform Engineering, Infrastructure Engineering, or Systems Engineering Proven track record of owning complex systems or problem spaces end-to-end Experience in enterprise-scale environments, leading technical initiatives, and mentoring engineers Demonstrated ability to solve ambiguous problems and make technical tradeoffs Experience architecting subsystems while anticipating scale and failure modes History of identifying technical debt and driving infrastructure improvements Technical Skills Infrastructure as Code: Expert-level Terraform experience for multi-cloud infrastructure provisioning; ability to architect IaC at scale Cloud Platforms: Deep experience with Azure (VMs, VNets, Storage, Entra ID, Azure DevOps) and AWS (EC2, VPC, S3, IAM, CloudFormation) Virtualization: Expert knowledge of Hyper-V and VMware vSphere/ESXi administration, optimization, and troubleshooting Operating Systems: Advanced administration of Windows Server (2016/2019/2022) and Linux (RHEL, Ubuntu, CentOS) Identity Management: Strong experience with Active Directory, Group Policy, Entra ID (Azure AD), and federation services Configuration Management: Experience with Ansible, Chef, Puppet, or similar configuration management tools CI/CD: Experience building and maintaining pipelines (Jenkins, GitHub Actions, Azure DevOps, GitLab CI) Scripting & Automation: Proficiency in Python, PowerShell, and Bash; ability to build automation at scale Monitoring & Observability: Experience with SumoLogic, Datadog, Prometheus, Grafana, or similar platforms Networking: Solid understanding of TCP/IP, DNS, DHCP, VPNs, load balancing, and network security Version Control: Strong experience with Git workflows, code review practices, and collaborative development Professional Competencies System design skills with ability to architect solutions considering scale, reliability, and maintainability Strong analytical and problem-solving skills; ability to solve the "hard" problems Leadership skills with demonstrated ability to mentor engineers and drive technical decisions Excellent communication skills; can explain technical decisions to engineers and non-engineers alike Ability to handle disagreements and trade-offs constructively; resolve conflicts across teams Strong documentation skills with attention to detail Bias for action combined with thoughtful consideration of long-term implications NICE TO HAVE Certifications Cloud certifications: Azure Solutions Architect Expert, AWS Solutions Architect Professional HashiCorp certifications: Terraform Associate or higher Microsoft certifications: MCSE, Azure Administrator, or Azure DevOps Engineer Additional Experience Experience with containerization and orchestration (Kubernetes, Docker, EKS, AKS) Experience with Exchange Server administration Database administration experience (SQL Server, PostgreSQL, MySQL) Experience with secrets management (HashiCorp Vault, Azure Key Vault, AWS Secrets Manager) Knowledge of SRE practices, SLIs/SLOs, and error budgets Experience with test automation frameworks and practices Experience in a SOX-compliant or regulated environment Familiarity with FinOps practices and cloud cost optimization Education Bachelor's or Master's degree in Computer Science, Information Technology, Systems Engineering, or related field (not required, but nice to have) Equivalent combination of education, training, and experience will be considered COMPENSATION The base pay for this position is $120,000-150,000, however, base pay offered may vary depending on internal factors, job-related knowledge, and candidate experience. INCENTIVE COMPENSATION Eligible for annual performance bonus BENEFITS Medical, dental, and vision insurance and 401(k) matching OUR CULTURE We’re a collaborative, entrepreneurial team that values curiosity, creativity, and getting things done together. Our teammates are some of the brightest, most driven people you’ll meet — and we celebrate innovation, inclusion, and ownership. At LendingTree, you’ll find an inclusive culture where diverse perspectives make us stronger. We believe in working hard and supporting one another — with the flexibility and trust that help you thrive both personally and professionally. We’re proud to offer generous benefits, wellness programs, and time-off policies designed to help you recharge, stay healthy, and bring your best self to work every day. And yes — we still have fun doing it (our “GSD – Get Stuff Done” award is a fan favorite!) Come grow with us, make an impact, and be part of a company that truly cares about its people and its community. LendingTree is an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees. We do not discriminate based on race, color, religion (or creed), gender, gender expression, age, national origin, disability, marital status, sexual orientation, or military status. CCPA Disclosure