DevOps Engineer

Company Description

Castellum Labs is a Next Gen Cyber Security Technology Venture that started in 2018, from Hyderabad, India with global ambitions, to change the cybersecurity service model. The company's vision is to change the cybersecurity value model in the industry. They use SaaS platforms, advanced lab infra in the cloud and a team of specialized experts to deliver long-term value. Castellum Labs' primary focus areas in Cyber Security are application security, network and infra security, cloud security, threat detection and response, and Darkweb monitoring and OSINT.

About The Role

As a DevOps Engineer, you’ll play a critical role in shaping and scaling the infrastructure of our cutting-edge SaaS platforms/products. This role offers a unique opportunity to work with a modern tech stack, collaborate with cross-functional teams, and contribute to building secure, efficient, and highly available systems that support both our cloud and self-hosted deployments.

Location

Experience

Joining

What You'll Do:

• Design, implement, and maintain scalable and secure cloud infrastructure to support our cyber security SaaS platforms built on Python, React.js, MySQL, MongoDB and OpenSearch.
• Collaborate with development teams to design, maintain and streamline all CI/CD pipelines, enabling seamless code deployment and faster delivery cycles.
• Monitor, troubleshoot, and optimize software stack performance and system reliability to ensure high availability, for the SaaS platforms to be launched.
• Automate AWS cloud infrastructure management and deployment processes using tools like Terraform, Ansible, or equivalent for all environments (operations, dev, qa and prod).
• Set up robust monitoring, alerting, and logging systems to proactively identify and resolve issues.
• Work on containerization and orchestration solutions, leveraging Docker (with compose) and Kubernetes for efficient deployment and scaling.
• Implement best practices for infrastructure security, including vulnerability management and access controls for all systems associated with our cloud platform.
• Analyze system resource usage and recommend optimization strategies for cost-effective operations.
• Contribute to infrastructure design decisions and support scaling needs as the company grows.
• Resolve customer queries with Self-Hosted instances of our application.

What You Bring:

• 2+ years of experience in a DevOps or Infra Engineering role.
• Strong knowledge of cloud platforms AWS with experience in IaaC.
• Expertise in CI/CD tools like Jenkins, GitHub Actions and/or GitLab CI/CD.
• Hands-on experience with containerization (Docker) and orchestration (Kubernetes).
• Strong understanding of networking concepts, firewalls, VPNs, and load balancing.
• Proficiency in scripting languages like Bash, Python, or similar to automate workflows.
• Experience with monitoring tools like Prometheus, Grafana, or Datadog.
• Knowledge of best practices in infrastructure security and compliance.
• Knowledge of setting up applications behind reverse proxy like nginx.
• Familiarity with DBs and caching used, such as PostgreSQL & Redis.

Nice to Have:

• Familiarity with serverless architecture and related frameworks.
• Contributions to open-source DevOps tools or projects.

Note --

1. This role is with a high speed startup like company
2. Do not expect 9 to 5 kind of job and responsibilities in this role
3. Self driven nature and managing cloud/DevOps is only thing which matters in this role
4. This is an individual contributor role which will expand into leadership role