Platform Engineer – Data Tools & DevEx Leader

Twosixtechnologies; Arlington (VA); Hybrid; USD 150,000 - 210,000; Full time

Job summary

Two Six Technologies is seeking a Senior Platform Engineer to own and scale core data-migration tooling, API wrappers, and backend infrastructure. You will champion developer experience, treat data frameworks as an internal product, and drive versioned, automated tooling across cross-functional teams.

You will join a hybrid office in Arlington, VA three days a week and collaborate with a Platform Team to deliver scalable, secure infrastructure while mentoring engineers and guiding architectural

Qualifications

• Excellent verbal and written communication skills.
• 5+ years of professional software engineering experience.
• 3+ years of Python development experience.
• 3+ years of experience configuring and working with relational databases.
• Minimum of 2 years of experience designing, implementing, or supporting structural data migrations.
• Experience developing software in a Unix or Linux environment.
• Experience building, running, and troubleshooting containerized applications using Docker and Kubernetes.
• Experience using Git and Jira within an agile development workflow.
• Demonstrated passion for learning and the ability to quickly understand unfamiliar codebases.
• Strong analytical troubleshooting skills and the ability to ask effective technical questions of engineers and product managers.
• U.S. citizenship and ability to obtain and maintain up to a Top Secret/SCI security clearance.

Responsibilities

• Take Technical Ownership of Platform Services: Drive the development, maintenance, and production support of our shared backend infrastructure packages and core data-migration suites.
• Deliver Tools as a Service: Package core backend and database utilities into versioned, independently hosted internal packages, allowing feature teams to easily upgrade or revert versions to stay unblocked.
• Maintain Code Quality and Integrity: Conduct thorough code reviews on incoming InnerSource pull requests submitted by feature developers, ensuring platform extensions remain reliable and well-architected.
• Modernize Infrastructure: Lead the migration of internal platform tooling from Docker to Kubernetes to optimize system scalability.
• Enforce Automated Guardrails: Collaborate with our infrastructure engineers to integrate automated schema validation and database linting tools directly into our monorepo CI/CD pipelines.
• Support Stakeholders and Estimates: Partner with Product Managers and Team Leads to develop technical estimates and requirement specifications for complex engineering needs.
• Investigate System Behavior: Troubleshoot production issues by analyzing logs, schemas, and system performance; form testable hypotheses to resolve underlying architectural bottlenecks.
• Provide Technical Guidance: Serve as a technical mentor for other engineers across the organization, actively contributing to our internal Architecture Guild to align team standards.

Skills

Verbal and written communication

Troubleshooting skills

Learning ability

Mentoring others

Security clearance eligible

Tools

Docker

Kubernetes

Git

Jira

Job description

Two Six Technologies is seeking a Senior Platform Engineer to own and scale core data-migration tooling, API wrappers, and backend infrastructure. You will champion developer experience, treat data frameworks as an internal product, and drive versioned, automated tooling across cross-functional teams.

You will join a hybrid office in Arlington, VA three days a week and collaborate with a Platform Team to deliver scalable, secure infrastructure while mentoring engineers and guiding architectural