Senior Software Engineer

Salary: $119,893 - 144,387 per year Requirements: We need a senior software engineer with 10+ years of professional development experience; 15+ years is a plus. You should have substantial experience building and supporting production software on Linux. We prefer experience with complex distributed, infrastructure, networking, or systems-management products. You should be able to investigate issues across multiple layers of a production environment. We need experience maintaining and evolving mature software across multiple release cycles. Strong hands-on development skills are required in Python, C, and SQL. You should have experience with REST APIs, Linux application development and debugging, and multithreaded or asynchronous design. PostgreSQL experience is strongly preferred. You should understand Linux processes, permissions, filesystems, services, TCP/IP networking, sockets, routes, VLANs, bridges, DNS, DHCP, storage, and lifecycle behavior. You need to be comfortable developing and troubleshooting in Kubernetes/k3s environments, with familiarity in tools such as Argo CD. A strong networking background is highly desirable, including Ethernet, IPv4/IPv6, routing, subnetting, firewalls, packet analysis, and multi-interface systems. We value experience with TLS/SSL, X.509 certificates, SSH keys, secrets management, Kubernetes Secrets and RBAC, authentication and authorization, container security, and supply-chain security. Experience with LDAP, RADIUS, or TACACS+ is beneficial. You should have experience with PostgreSQL, relational modeling, schema changes, migrations, transactions, backup and restore, and upgrade compatibility. Experience with Git, automated builds and testing, CI/CD, container image creation, Helm packaging, unit and integration testing, vulnerability scanning, SBOMs, and artifact signing is expected. You must be able to work full time on-site in Richardson, Texas. You must be authorized to work for any employer in the U.S., as we are unable to sponsor or transfer visas. Responsibilities: We develop and maintain application components using Python, C, and SQL. We add new product capabilities within our existing Kubernetes-based architecture. We diagnose and resolve defects in production and customer environments. We troubleshoot interactions among applications, Kubernetes, Linux, PostgreSQL, and physical networking equipment. We maintain and improve REST APIs and internal service interfaces. We strengthen reliability, startup, readiness, shutdown, and failure-handling behavior. We build and support PostgreSQL schemas, migrations, backup, and recovery functionality. We improve logging, metrics, health checks, diagnostics, and overall supportability. We support connected deployments as well as offline or air-gapped customer environments. We create automated tests for unit, integration, system, networking, upgrade, and failure scenarios. We investigate complex customer issues that span software, operating systems, networking, and infrastructure. We contribute to architecture and design decisions while staying actively involved in implementation and debugging. Technologies: CI/CD Ethernet Git Helm Support Kubernetes LDAP Linux PostgreSQL Python REST RBAC SQL Security TCP/IP DevOps GitOps Network More: We are hiring a full-time, on-site Senior Software Engineer for our Richardson, Texas office to help develop, maintain, and extend a distributed software platform used to orchestrate, provision, manage, and monitor data-center and other networking fabrics. Our product runs on Linux and Kubernetes/k3s, and this role is hands-on across application code, Linux, networking, databases, security, and external integrations. The position offers a salary range of $119,892.69 to $144,386.89 per year, along with benefits that include 401(k), AD&D insurance, dental, dependent health coverage, flexible spending account, health insurance, health savings account, an on-site gym, paid time off, prescription drug insurance, tuition reimbursement, and vision insurance. last updated 39 week of 2026