> Markdown version of [/jobs/ext/3833407-senior-engineer-infrastructure](https://www.wearedevelopers.com/jobs/ext/3833407-senior-engineer-infrastructure). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Engineer - Infrastructure - **Company:** OneMain Financial, Inc. - **Location:** South Salt Lake, UT, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** User Authentication, Microsoft Azure, Software as a Service, Cloud Computing, Databases, Domain Name System (DNS), Infrastructure as a Service (IaaS), Identity and Access Management, Internet Information Services (IIS), Microsoft SQL Server, Windows Servers, Networking Basics, Routing, Windows PowerShell, Reliability Engineering, Site Reliability Engineering Practices, Software Deployment, Software Engineering, Data Logging, Transport Layer Security, Load Balancing, Firewalls (Computer Science), Containerization, Kubernetes, Infrastructure Automation Frameworks, Information Technology, Bicep, Azure AKS, Terraform, Azure Resource Manager, Docker - **Published:** October 19, 2026 - **Apply:** https://www.dice.com/job-detail/6cb8bc49-ea98-477d-a026-1063c00eda49 ## About the Role 5+ years of experience in production operations, site reliability engineering, systems/application support, or a closely related technical role. Strong hands-on experience supporting Windows Server in production environments. Strong working knowledge of IIS administration, configuration, troubleshooting, and application hosting. Working knowledge of Microsoft SQL Server from a production support and application operations perspective. Strong PowerShell scripting and automation skills. Experience supporting Microsoft Azure environments with an emphasis on IaaS workloads. Strong understanding of network fundamentals, DNS, routing, firewalls, load balancing, TLS/certificates, and cloud connectivity sufficient to troubleshoot cross-system dependencies. Demonstrated ability to perform advanced troubleshooting and root cause analysis across complex, multi-tier systems. Experience working with external vendors or technology partners on high-severity technical escalations. Ability to coordinate work across multiple enterprise technology teams in a cloud-first environment. Preferred Qualifications Experience with Infrastructure as Code tools such as Terraform, Bicep, ARM templates, or equivalent. Experience with containerization technologies such as Docker, Kubernetes, or Azure Kubernetes Service (AKS). Exposure to SRE practices such as service level indicators (SLIs), service level objectives (SLOs), error budgets, and toil reduction. Experience with CI/CD pipelines and production deployment automation. Experience supporting financial services or other regulated production environments. Relevant Microsoft Azure certifications. Core Competencies Production ownership and reliability mindset. Advanced systems-level troubleshooting and analytical thinking. Strong technical communication with internal teams, vendors, and external partners. Automation-first approach to repetitive operational work. Ability to operate effectively in high-availability, business-critical environments. Strong cross-team coordination and accountability. ## Description Provide advanced Level 3 production support for business-critical OneMain Auto applications and supporting technology components. Troubleshoot complex application-hosting and system issues across Windows Server, IIS, SQL Server, Azure IaaS, authentication, connectivity, and dependent services. Build, configure, maintain, and improve the operating components used by OneMain Auto applications within approved enterprise standards. Serve as the Level 4 technical escalation point for external partners, vendors, and third-party service providers; coordinate complex technical investigations through resolution. Perform root cause analysis and implement corrective and preventive actions that improve long-term reliability and reduce recurring production issues. Partner with OneMain incident response teams as the technical subject matter expert for the supported systems without owning incident command or coordination. Improve observability through monitoring, logging, alerting, health checks, and operational telemetry. Identify and reduce operational toil through PowerShell and other approved automation methods. Support deployments, configuration changes, patching, maintenance activities, and production readiness for OneMain Auto systems. Maintain strong working knowledge of network dependencies and cloud networking concepts and coordinate with dedicated network teams when changes or troubleshooting are required. Collaborate across application development, network, database, security, IAM, platform, cloud, and enterprise operations teams. Participate in an on-call rotation supporting production systems. Targeted Platform Engineering Responsibilities Develop reusable configurations, scripts, deployment patterns, and operational tooling that improve consistency and reliability. Contribute to standardization efforts that reduce configuration drift across environments. Support Infrastructure as Code practices where appropriate for repeatable provisioning and configuration. Contribute to modernization initiatives, including migration of suitable workloads toward containerized or managed runtime platforms. Partner with platform engineering teams to improve the operability, resilience, and lifecycle management of OneMain Auto workloads.