Senior Platform Engineer
Two Six Technologies · Arlington, Virginia
About this role
## Senior Platform Engineer ### About Two Six Technologies At Two Six Technologies, we build, deploy, and implement innovative products that solve the world’s most complex challenges. Through collaboration and trust, we push the boundaries of what’s possible to empower our team and support our customers in building a safer global future. ### Overview of Opportunity Two Six Technologies is looking for a **Senior Platform Engineer** to join our foundation team as we scale our engineering organization and adopt a modern framework built around cross-functional, full-stack autonomous teams. In this role, you will lead the development, maintenance, and support of our core internal **data-migration tooling**, **API wrappers**, and **shared backend infrastructure packages**. You’ll focus heavily on **developer experience**, treating shared data frameworks as an internal product—building reliable, versioned tools that help stream-aligned feature teams manage their own schemas and API integration layers without deployment bottlenecks. **Location/Work Model:** Full-time, hybrid — **3 days per week** in our Arlington, VA office. ### Responsibilities - **Take technical ownership of platform services**: Drive development, maintenance, and production support of shared backend infrastructure packages and core data-migration suites, working with: - Python and related data processing frameworks - Docker and Kubernetes - Postgres, advanced SQL, and data modeling frameworks - FastAPI and secure API gateway utilities - **Deliver tools as a service**: Package core backend and database utilities into **versioned, independently hosted internal packages** so feature teams can upgrade/revert versions to stay unblocked. - **Maintain code quality and integrity**: Perform thorough code reviews on InnerSource pull requests submitted by feature developers. - **Modernize infrastructure**: Lead migration of internal platform tooling from **Docker to Kubernetes**. - **Enforce automated guardrails**: Collaborate with infrastructure engineers to integrate automated schema validation and database linting into monorepo CI/CD pipelines. - **Support stakeholders and estimates**: Partner with Product Managers and Team Leads to develop technical estimates and requirement specifications. - **Investigate system behavior**: Troubleshoot production issues by analyzing logs, schemas, and performance; form testable hypotheses to resolve architectural bottlenecks. - **Provide technical guidance**: Mentor engineers across the organization and contribute to the internal Architecture Guild. ### Minimum Qualifications - Excellent verbal and written communication skills - **5+ years** professional software engineering experience - **3+ years** Python development experience - **3+ years** configuring and working with relational databases - **2+ years** designing, implementing, or supporting structural data migrations - Experience developing in a **Unix/Linux** environment - Experience building/running/troubleshooting containerized applications with **Docker and Kubernetes** - Experience with **Git** and **Jira** in an agile workflow - Demonstrated passion for learning and ability to quickly understand unfamiliar codebases - Strong analytical troubleshooting skills and ability to ask effective technical questions - **U.S. citizenship** and ability to obtain/maintain a **Top Secret/SCI** security clearance ### Why This Role is Unique You won’t be stuck on repetitive feature tic
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