Lead Site Reliability Engineer
About The Position
Lumen is hiring a Lead Site Reliability Engineer to own the reliability of its Network as a Service (NaaS) platform. The role partners with operations and development teams to set technical direction and resolve systemic issues across network topologies and applications. It is accountable for platform observability, incident management, automation, and coordinating across architecture, engineering, and systems development organizations to improve reliability. The engineer will also use AI and agentic tooling to build utilities that accelerate deployment automation, platform administration, and incident investigation. This position is designated as fully remote within the United States. The role combines networking fundamentals, cloud platforms, software development, and troubleshooting. Responsibilities include building and maintaining observability capabilities, leading incident response and follow-up, automating infrastructure and deployments, supporting and scaling NaaS applications, mentoring junior engineers, and maintaining documentation.
Requirements
- Bachelor’s degree or equivalent in engineering, computer science, or a related field.
- 8+ years in software development, systems engineering, and/or networking.
- 5+ years of related experience required.
- Hands-on experience with at least one major cloud platform (AWS, Azure, or GCP), including compute, networking, and identity services.
- Strong automation and infrastructure-as-code skills, including Terraform, Ansible, and Python.
- Experience running containerized workloads on Kubernetes.
- Working knowledge of modern observability and monitoring tools, such as Datadog, CloudWatch, Grafana, or Prometheus, including building dashboards and defining alerts.
- Demonstrated experience with incident management and blameless postmortems.
- Comfort using AI-assisted development and agentic tools as part of daily engineering practice.
- Understanding of network technologies including Internet, Ethernet, IPVPN, Edge Compute, and Optical transport.
- Strong listening and communication skills, ability to operate autonomously, and judgment about when to escalate.
Nice To Haves
- Multi-cloud experience across AWS, Azure, and GCP.
- Knowledge of asynchronous programming concepts and distributed systems design.
- Experience with zero-downtime deployment strategies.
- Experience with high-availability and multi-region architectures.
- Source control and CI/CD practices at scale.
- Experience applying agentic workflows to operational support and investigation.
Responsibilities
- Serve as a subject matter expert for network automation platform applications, services, and hosting environments.
- Build and maintain observability capabilities by instrumenting services, collecting and curating metrics, and creating dashboards and visualizations.
- Define and tune proactive alerting to identify issues before customers are affected.
- Champion SRE principles, including SLIs, SLOs, and error budgets, and advocate for resilient, fault-tolerant architecture.
- Participate in an on-call rotation and lead incident response for service outages and unplanned downtime.
- Conduct blameless postmortems and root cause analysis, and own follow-up actions through completion.
- Prevent recurring incidents through process improvements, tooling, and knowledge sharing.
- Automate CI/CD deployment pipelines and cloud infrastructure provisioning, scaling, and configuration using infrastructure as code.
- Develop tools and utilities that reduce toil and enable operations and development teams to manage services independently.
- Apply AI-assisted and agentic workflows to development, support, and investigation work.
- Collaborate with cross-functional development teams to support, enhance, and scale NaaS applications.
- Provide guidance and mentorship to junior engineers.
- Maintain clear documentation for processes and architecture.
Benefits
- Comprehensive package featuring a broad range of Health, Life, Voluntary Lifestyle benefits, and other perks supporting physical, mental, emotional, and financial wellbeing.
- Bonus structure may include short-term incentives, long-term incentives, and/or sales compensation.
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What This Job Offers
Job Type
Full-time
Career Level
Senior
