> Markdown version of [/jobs/ext/1426714-sr-software-engineer-ts-sci-poly-required](https://www.wearedevelopers.com/jobs/ext/1426714-sr-software-engineer-ts-sci-poly-required). 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). --- # Sr. Software Engineer - TS/SCI Poly required - **Company:** EMTAK. LLC - **Location:** Columbia, MD, United States (Remote available) - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** HTML, Agile Methodology, Amazon Web Services, Amazon S3, FishEye (Software), JIRA, Cascading Style Sheets (CSS), Cloud Computing, Cloud Engineering, Configuration Management, Signals Intelligence, Continuous Integration, Software Debugging, Distributed Systems, Design of User Interfaces, Python (Programming Language), Message Broker, Ansible, Prometheus, Software Engineering, SQL Databases, Systems Integration, TypeScript, Web Applications, Workflow Management Systems, Spring Cloud, Grafana, Backend, Event Driven Architecture, Containerization, Git Flow, Kubernetes, Rancher, Atlassian Tools, Apache Kafka, Apache Nifi, Restful APIs, Terraform, Atlassian Bamboo, Docker, Golang, Microservices - **Published:** July 24, 2026 - **Apply:** https://www.clearancejobs.com/jobs/9052799/sr-software-engineer-tssci-poly-required ## About the Role * 10+ years of software development experience, with a strong focus on backend and cloud-native applications * TS/SCI with Polygraph * Experience with: + Hardware and software integration + Infrastructure and provisioning + Ansible configuration management + Kubernetes, cloud technologies, and Rancher + Containers-as-a-Service (CaaS) environments * Proficiency in Go (Golang) for production-grade services * Experience building modern frontends with TypeScript, HTML, and CSS * Strong understanding of: + Kubernetes, Helm, GitOps (ArgoCD) + Event-driven architectures and Kafka + Docker and container orchestration + System design, RESTful APIs, and microservices + SQL databases in containerized environments * Excellent debugging, problem-solving, and communication skills Preferred Qualifications * Familiarity with the Atlassian Suite (Jira, Bamboo, Fisheye) * Experience with Agile development and Continuous Integration * Linux/UNIX administration experience * Knowledge of SIGINT systems and dataflows * Experience with: + Kafka, NiFi, MetalLB, MinIO + Infrastructure-as-code (cloud-init, Terraform) + CI/CD pipelines and Git-based workflows + Observability tools (Prometheus, Grafana) + Rancher Suite (Harvester, Longhorn, KubeVirt) + AWS services (EKS, S3, Lambda, RDS) * Ability to work effectively in a team environment * Commitment to maintaining and improving documentation and development standards ## Description We're looking for a Senior Software Developer to take technical ownership of a Kubernetes-native application that orchestrates and deploys workloads directly within its own cluster. You'll help evolve a modern platform built on containerized microservices, cloud-native components, and a clean, web-based UI/UX. This role is perfect for someone who thrives in distributed systems, enjoys working across backend and frontend technologies, and values collaboration across multiple engineering teams., * Designing and developing backend services in Go, Python, and cloud-native architectures * Building and enhancing frontend components using TypeScript, HTML, and CSS * Working with containerized microservices and orchestration tools such as Docker, RKE2, and Helm * Implementing GitOps workflows using ArgoCD * Integrating event-driven systems and message brokers like Kafka * Contributing to system design, RESTful API development, and microservice architecture * Collaborating with multiple teams to ensure operational excellence * Maintaining and improving documentation and internal development standards ## Related Videos - [The Resilience of the World Wide Web](https://www.wearedevelopers.com/videos/1281-the-resilience-of-the-world-wide-web) - [Improving quality with Agentic AI with Rovo Dev and Xray](https://www.wearedevelopers.com/videos/2005-improving-quality-with-agentic-ai-with-rovo-dev-and-xray) - [Go with the Flow: Stop the Leaks Before Your Memory's a Waterfall!](https://www.wearedevelopers.com/videos/100073-go-with-the-flow-stop-the-leaks-before-your-memory-s-a-waterfall) - [Navigating the Corporate Jungle: Life as a Developer in a large Company](https://www.wearedevelopers.com/videos/621-navigating-the-corporate-jungle-life-as-a-developer-in-a-large-company) - [NoLoJS - Avoiding JavaScript Cruft with HTML and CSS - Aaron T. 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