--- title: "Senior Software Engineer" company: "Two Six Technologies" company_url: "https://www.remjobs.works/companies/two-six-technologies" url: "https://www.remjobs.works/job/two-six-technologies-senior-software-engineer-ea03fb4d-ac45-4c88-b391-9e2ea87d2517" apply_url: "https://job-boards.greenhouse.io/twosixtechnologies/jobs/6144693004" workplace: onsite location: "Arlington, Virginia" employment_type: unspecified seniority: senior role: software-engineering region: united-states skills: ["docker", "jira", "kubernetes", "linux", "postgres", "python", "sql"] date_posted: 2026-08-18T15:48:19.000Z first_seen_by_remjobs: 2026-09-15T15:15:46.445Z --- # Senior Software Engineer **Two Six Technologies** · Arlington, Virginia Apply: https://job-boards.greenhouse.io/twosixtechnologies/jobs/6144693004 ## About the role At Two Six Technologies, we build, deploy, and implement innovative products that solve the world’s most complex challenges today. Through unrivaled collaboration and unwavering trust, we push the boundaries of what’s possible to empower our team and support our customers in building a safer global future. Two Six Technologies is seeking a **Senior Software Engineer** to support multi-domain platforms serving critical national security missions. This role is part of the Data Team and will lead the development, maintenance, and production support of the team’s data-migration suite. The Senior Software Engineer will report to the Data Team Lead and serve as a senior technical partner, supporting stakeholder meetings, technical estimates, and coordination with on-site Field Operations Engineers. The ideal candidate is a self-starter with a demonstrated passion for learning, strong data migration experience, and proven ability to troubleshoot complex production issues. This is a full-time, on-site position that requires work at our TST Arlington office **Responsibilities** - Take technical ownership of data pipeline and migration service development, maintenance, and production support. This includes working with: - Python and related packages (e.g., Pandas) - Docker / Kubernetes - Postgres (and SQL) - Avro data models - FastAPI - Conduct thorough code reviews and provide actionable feedback to maintain code quality, data integrity, and operational reliability. - Lead migration of data tooling from Docker to Kubernetes. - Work with internal and external stakeholders to develop requirements and solutions for complex data needs. - Investigate and resolve production issues by analyzing code, logs, data, and system behavior; forming and testing hypotheses; and working directly with Field Operations Engineers to gather needed information. - Provide ongoing maintenance, support, and enhancements for existing systems and platforms. - Provide Program and Product Managers with reliable time and effort estimates for technical deliverables. - Serve as backup technical representative for the Data Team Lead in stakeholder meetings, technical estimates, and Field Operations coordination. - Provide scheduled, remote after-hours support for production deployments approximately one to two times per month. - Provide technical and functional guidance to other team members as needed. **Minimum Qualifications** - Excellent verbal and written communication skills. - Minimum of 5 years of software engineering experience. - Minimum of 3 years of Python development experience. - Minimum of 3 years of experience working with data in relational databases. - Minimum of 2 years of experience designing, implementing, or supporting data migrations. - Experience developing in a Unix or Linux environment. - Experience building, running, and troubleshooting containerized applications using Docker and Kubernetes. - Experience using Git and Jira in a development workflow. - Demonstrated passion for learning and ability to quickly understand unfamiliar systems and codebases. - Strong analytical troubleshooting skills and the ability to ask effective technical questions of engineers, stakeholders, and Field Operations personnel. - Eligibility to obtain and maintain up to a Top Secret/SCI security clearance. **Preferred Qualifications** - Experience with Helm or other Kubernetes deployment tooling. - Experience with event-driven processing, message brokers, or real-time data architectures. - Experience with DevOps processes. - Experience creating data models in relational databases. - DoD 8570 Level II or Level III certification, such as CompTIA Security+ or CISSP. - Active Top Secret/SCI security clearance. #LI-MS1 Two Six Technologies is committed to providing competitive and comprehensive compensation packages that reflect the value we place on our employees and their contributions. We believe in rewarding skills, experience, and performance. Our offerings include but are not limited to, medical, dental, and vision insurance, life and disability insurance, retirement benefits, paid leave, tuition assistance and professional development. The projected salary range listed for this position is annualized. This is a general guideline and not a guarantee of salary. Salary is one component of our total compensation package and the specific salary offered is determined by various factors, including, but not limited to education, experience, knowledge, skills, geographic location, as well as contract specific affordability and organizational requirements. Salary Range$125,000—$180,000 USD Looking for other great opportunities? Check out [Two Six Technologies Opportunities](https://twosixtech.com/careers/current-opportunities/) for all our Company’s current openings! Ready to make the first move towards growing your career? If so, check out the [Two Six Technologies Candidate Journey](https://twosixtech.com/careers/candidate-resources/)! This will give you step-by-step directions on applying, what to expect during the application process, information about our rich benefits and perks along with our most frequently asked questions. If you are undecided and would like to learn more about us and how we are contributing to essential missions, check out our [Two Six Technologies News](https://twosixtech.com/about/news/) page! We share information about the tech world around us and how we are making an impact! Still have questions, no worries! You can reach us at [Contact Two Six Technologies](https://twosixtech.com/contact/). We are happy to connect and cover the information needed to assist you in reaching your next career milestone. Two Six Technologies is an Equal Opportunity Employer and does not discriminate in employment opportunities or practices based on race (including traits historically associated with race, such as hair texture, hair type and protective hair styles (e.g., braids, twists, locs and twists)), color, religion, national origin, sex (including pregnancy, childbirth or related medical conditions and lactation), sexual orientation, gender identity or expression, age (40 and over), marital status, disability, genetic information, and protected veteran status or any other characteristic protected by applicable federal, state, or local law. For more information review the Two Six Technologies [Equal Employment Opportunity and Affirmative Action Policy](https://twosixtech.com/wp-content/uploads/Two-Six-EEO-Policy-Statement-2026.pdf) and the [EEO Poster](https://twosixtech.com/wp-content/uploads/TST-EEO-Know-Your-Rights-2026.pdf). If you are an individual with a disability and would like to request reasonable workplace accommodation for any part of our employment process, please send an email to accommodations@twosixtech.com. Information provided will be kept confidential and used only to the extent required to provide needed reasonable accommodations. Additionally, please be advised that this business uses E-Verify in its hiring practices. By submitting the following application, I hereby certify that to the best of my knowledge, the information provided is true and accurate. --- Source: Two Six Technologies's own career page, read by RemJobs. Canonical HTML version: https://www.remjobs.works/job/two-six-technologies-senior-software-engineer-ea03fb4d-ac45-4c88-b391-9e2ea87d2517