Senior Site Reliability Engineer - Developer Experience

Job DescriptionAbout Dimensional:Dimensional was built around a set of ideas bigger than the firm itself. With a confidence in markets, deep connections to the academic community, and a focus on implementation, we go where the science leads, and continue to pursue new insights, both large and small, that can benefit our clients. The Technology Department at Dimensional leverages the rapidly evolving state of the art to engineer scalable, innovative, and research driven solutions to improve our client’s financial lives. The Platform Engineers at Dimensional are focused on leading, designing and developing the platform and services that underpin all of all Dimensional’ s applications and business processes across a variety of technical domains. Services that support the software development process are key components of the platform, as they provide our engineering teams with tools, processes, and infrastructure to develop software for our business. About the Role:We are looking for a Senior SRE to serve as the operations owner for the developer tooling ecosystem that shapes how engineers work day to day, including Python and .NET toolchains and IDEs. This is a hybrid role balancing steady-state operations and engineering work that meaningfully advances the tooling and the people who depend on them.This role suits someone who is genuinely motivated by the pursuit of excellence – someone who takes pride in the products and services they own and is always looking for the next opportunity to raise the bar, whether that means eliminating a friction point in the local development experience or building automation that lets developers focus on code rather than tooling.What You’ll Work On:Operations & ReliabilityServe as a primary escalation point for production support across each of the developer tooling ecosystemsOwn the operational reliability of developer tooling ecosystems, including Python toolchains (uv, Poetry, etc.), .NET SDKs, and IDE configurations and extensionsMonitor product and service health and performance, proactively identifying and addressing issues before they impact developer productivityMaintain and continuously improve runbooks, escalation procedures, and operational documentationCollaborate with security to harden developer tooling configurations and manage software vulnerabilitiesContribute to on-call rotations and maintain runbooks and escalation proceduresPlatform EngineeringCreate and maintain standardized developer tooling configurations and distribution mechanisms – making it easy for engineers to get started, stay current, and stay unblockedLead or contribute to developer experience initiatives, using data (build times, pipeline success rates, time-to-first-commit) to identify the highest impact friction points and build solutions that address them at scaleParticipate in architecture reviews and contribute to the overall platform roadmapWhat We’re Looking For:Bachelor’s degree in a technical field or equivalent practical experience5+ years of experience in SRE, DevOps, platform engineering, or developer tooling-focused roleSolid understanding of Python ecosystem tooling – dependency management (Poetry, uv), virtual environments, and packagingFamiliarity with .NET development tooling and SDK management in an enterprise environmentProficiency in scripting and automation (Python, PowerShell, Bash, or similar)A track record of not just operating products and services but evolving themStrong communication skills and genuinely interested in partnering with developers across the organizationDemonstrated ability to drive incidents to resolution and communicate clearly under pressureA bias toward automation and a low tolerance for repetitive manual workNice to Have: Experience leveraging SDLC platforms to deliver software solutionsExperience building or maintaining internal developer portals or self-service toolingExposure to IDE plugin or extension management at scale (VS Code, JetBrains, Visual Studio)Experience with developer experience metric frameworksFamiliarity with container-based build environments or ephemeral CI runners#LI-Hybrid