Sr. Software Engineer, Infrastructure
Mariana Minerals3 hours ago
Base Salary
$140k - $200k/yr
Responsibilities
- Own the EKS cluster, on-premises site clusters, upgrades, capacity, autoscaling, ingress, DNS, and GitOps delivery.
- Build self-service infrastructure for provisioning services, databases, preview environments, and scheduled jobs.
- Make metrics, logs, traces, and meaningful alerts standard for deployed services.
- Extend the platform to on-premises and edge sites supporting GPU inference and plant data collection over constrained links.
- Manage cloud cost visibility, budgets, and right-sizing.
- Own identity, access, and secrets management.
- Respond to infrastructure incidents, create runbooks, and eliminate recurring failure classes.
Requirements
- 8–12+ years building and operating production infrastructure, including hands-on Kubernetes cluster operation, upgrades, and debugging.
- Strong software engineering fundamentals and the ability to build well-designed tools and abstractions.
- Hands-on infrastructure-as-code experience with Pulumi, Terraform, or similar tools and GitOps-style continuous delivery.
- A track record of building platforms that other engineers willingly adopt.
- Practical observability experience with Prometheus, Grafana, and log aggregation systems.
- Fluency in Python or TypeScript and sufficient AWS familiarity to make sound cost and architecture tradeoffs.
- Experience supporting ML or data-intensive workloads, including GPU scheduling, distributed training, or pipeline orchestration, is preferred.
- Experience with on-premises or edge infrastructure, industrial networks, or constrained-connectivity environments is preferred.
- Startup experience and domain experience in manufacturing, industrial automation, mining, or capital projects are beneficial but not required.
Tech Stack
Categories
About Mariana Minerals
Mariana Minerals is a privately held, vertically integrated minerals company that mines and refines critical minerals and uses in‑house software, automation, and data systems to optimize operations. It supplies materials for modern energy, AI, and defense applications, combining chemical refining with plant‑level controls and optimization tools. The company is headquartered in San Francisco and targets OEMs and manufacturers across energy, battery, and defense supply chains.