Senior Software Engineer positions focus on delivering results in their domain. This page aggregates open Senior Software Engineer roles and what employers typically expect.
**Senior Systems Engineer** The Senior Systems Engineer serves as a technical lead responsible for the architecture, deployment, and optimization of Boingo’s production, Staging, QA, Beta, and Dev systems. This role bridges high-level infrastructure design with hands-on execution, overseeing complex datacenter operations—including racking, stacking, and cabling—while driving the automation of Ubuntu-based virtualized environments. You will act as a primary technical authority, exercising a high degree of personal responsibility for the systems you create to ensure system reliability across global environments. **Key Responsibilities** - **Cloud-Native Architecture:** Lead the design, installation, and scaling of Kubernetes clusters using Ansible and Terraform to meet the needs of demanding engineering teams. - **Infrastructure Management:** Drive the management of all environments (Dev to Production), acting as the primary point of contact for system-wide validation. - **Automation:** Drive scripting and self-service solutions to reduce administrative overhead and **TOIL**. Build highly resilient, high-performance, and robust systems. - **Physical Operations:** Direct datacenter physical layer activities (racking/stacking), ensuring hardware is optimized for performance and scalability. - **Agile Orchestration:** Lead Sprint planning within the Atlassian suite; partner with Network, Development, and QA teams to design creative solutions and resolve problems proactively. - **Governance & Standards:** Define, document, and follow standards for system design and implementation. Use accepted change control methodologies to justify and implement improvements. - **Mentorship & Collaboration:** Foster an environment of cross-training, upskilling the team in Kubernetes expertise and mentoring junior engineers. - **System Optimization:** Continuously monitor and tune systems using metrics collection to drive maximum efficiency. - **Vendor & Support:** Serve as the technical lead for external vendor relations (Ubuntu, Dell, VMware). Participate in on-call rotations to provide expert 24x7 support. **Qualifications** - 5 to 8+ years of progressive systems engineering experience. - Expert-level proficiency with **Ubuntu OS**, RHEL 7+, and modern Linux distributions. Must have deep experience with the Linux shell, kernel modules, cgroups, pki, and iptables. - **Kubernetes & Containers:** Proven expertise in building, managing, and scaling **Kubernetes**. Experience with CNI, CRI, and CSI plugins (Portworx, Cilium, Ceph), Service Mesh (Istio), and software-defined storage (Rook-Ceph). - **Automation & IaC:** Advanced expertise in **Ansible and Terraform** to manage the lifecycle of infrastructure. Experience with GitOps workflows, CI/CD (Jenkins), and configuration management (Redfish, cloud-init). - **Virtualization:** Advanced expertise in **VMware** and VME management within automated environments. - Expertise in **Python, Golang, or Bash** for building robust IaC tooling and integrating with RESTful API services. - **Core Infrastructure:** Mastery of DNS, LDAP, and RADIUS protocols in enterprise environments. - **Monitoring:** Mastery of Prometheus, Grafana, or InfluxDB to implement proactive alert workflows and ensure 99.99% uptime. - **Agile & Version Control:** Power-user of the **Atlassian platform** (Jira/Confluence) for Sprint leadership. Expertise in Git-based workflows and Pull Requests. - **Datacenter Leadership:** Extensive experience in physical datacenter lifecycle management, including precision racking, stacking, and structured cabling. - Bachelor’s degree in computer science or STEM discipline **Meet Boingo – named among the Best Places to Work!** [For 25 years](https://www.youtube.com/watch?v=Zo9O4TM3z6Q), Boingo has been leading the way, pioneering first after first. No matter what wireless technology comes next, Boingo will be there. Our vast footprint of Wi-Fi and cellular networks reaches more than a billion consumer…