Junior Infrastructure Engineer

About Bigstack

Bigstack builds next-generation cloud infrastructure platforms for enterprises and service providers.

Our product line is a end-to-end cloud solution integrating:

• OpenStack (compute / networking / virtualization)
• Ceph (distributed storage)
• Rancher / Kubernetes / cloud-native technologies

We focus on building sovereign, carrier-grade, and production-ready cloud systems.

Role Summary

We are looking for a Junior Infrastructure Engineer to join our infrastructure team.

This role goes beyond traditional operations—you will:

• Write system-level code (C++ / Bash / Makefile)
• Debug production (L3) issues
• Learn how large-scale cloud platforms operate internally

You will work closely with experienced Tech Leads in a structured Agile environment.

Responsibilities

Infrastructure & System Development

• Support development and integration of:
  • OpenStack services (compute, networking, storage)
  • Ceph distributed storage
  • Linux-based infrastructure components
• Assist in implementing system-level features and improvements

System-Level Programming

• Write and maintain:
  • C++ code (system utilities / performance-critical components)
  • Bash scripts (automation, deployment, debugging)
  • Makefile-based build systems
• Contribute to:
  • system tooling
  • deployment / upgrade workflows
  • performance optimization

Debugging & Reliability

• Investigate system-level issues in:
  • networking
  • storage
  • compute
• Analyze logs, system behavior, and failure scenarios
• Support L3 (production) issue investigation with guidance
• Improve system stability and reliability

Observability & Monitoring

• Use monitoring tools to:
  • collect system metrics (CPU, memory, IO, network)
  • analyze system performance and behavior
• Assist in:
  • setting up alerts for abnormal system behavior
  • identifying performance bottlenecks
• Support debugging by:
  • correlating logs, metrics, and system events

Collaboration & Development Flow

• Work closely with:
  • Infra Tech Lead
  • Backend engineers (Kubernetes / API / orchestration)
• Participate in:
  • story refinement (define details & edge cases)
  • sprint development
  • cross-domain feature integration
• Follow our engineering model:
  • PM defines problem
  • Tech Leads define solution
  • Engineers refine and implement collaboratively

L3 On-Call (with Mentorship)

• Participate in weekly L3 rotation
• Responsibilities during on-call:
  • first response and triage
  • initial debugging
  • escalate to domain experts when needed

What You Will Learn

• OpenStack internals (Nova, Neutron, etc.)
• Ceph architecture (RBD, cluster behavior)
• Linux system internals (process, IO, networking)
• System-level programming and debugging
• Observability practices (metrics, logging, alerting)
• How to diagnose real production issues in complex systems
• How to build and operate a cloud platform

Working Style

• Agile / Scrum-based development
• Collaborative refinement (PM + Tech Leads + engineers)
• Strong mentorship from Infra Tech Lead
• Combination of:
  • coding
  • debugging
  • system analysis
• Real production system exposure (not sandbox-only work)

Why join Bigstack

• Work on real cloud infrastructure systems, not just apps
• Learn from engineers experienced in OpenStack, Ceph, and Kubernetes
• Be part of building carrier-grade and sovereign cloud platforms
• Gain hands-on experience with production-scale systems

One-line takeaway

Build it. Observe it. Debug it. Understand it deeply

Requirements

Must-have

• 0–3 years experience (infra / system / backend acceptable)
• Familiar with Linux environment (CLI, basic system operations)
• Basic programming ability in:
  • C++ / Python / or similar system language
• Basic scripting ability:
  • Bash preferred
• Understanding of:
  • operating system fundamentals
  • networking basics (TCP/IP)
• Strong debugging mindset
• Willingness to learn complex systems

Nice-to-have

• Exposure to:
  • OpenStack / virtualization
  • Ceph or distributed storage
• Familiar with:
  • Makefile / build systems
• Experience with:
  • Docker / Kubernetes
• Basic understanding of:
  • monitoring and observability concepts (metrics, logs, alerts)
• Exposure to tools such as:
  • Prometheus / Grafana / Alertmanager (or similar)

Ideal Candidate

• Curious about how systems work under the hood
• Enjoys debugging and problem solving
• Comfortable working across:
  • code
  • system
  • infrastructure
• Not afraid of complexity or unfamiliar technologies
• Takes ownership and learns quickly