Site Reliability Engineer
EnduroSat
Software Engineering
Sofia, Bulgaria
Posted on Mar 6, 2026
About Us
We are EnduroSat! A fast-growing space scale-up at the forefront of satellite innovation, specializing in advanced software-flexible satellites for commercial, governmental, and scientific endeavors.
As a Site Reliability Engineer, you will administer and evolve our hybrid infrastructure built around virtualization and physical servers. You will standardize and automate deployments, ensure high availability, security, and recoverability, build observability, and lead incident response and root-cause analysis.
Some of your daily tasks will include:
We are EnduroSat! A fast-growing space scale-up at the forefront of satellite innovation, specializing in advanced software-flexible satellites for commercial, governmental, and scientific endeavors.
- This is more than a job, it`s a mission We are making space universally accessible and redefining the possible
- We get things done We take ownership of what we do and we work hard to make a difference
- We are fearless Transpаrancy is our only way forward. We dare to address and resolve issues head-on
- We learn from our mistakes We deliver, take informed risks, and evolve to achieve our goals. We compare with the best version of ourselves
As a Site Reliability Engineer, you will administer and evolve our hybrid infrastructure built around virtualization and physical servers. You will standardize and automate deployments, ensure high availability, security, and recoverability, build observability, and lead incident response and root-cause analysis.
Some of your daily tasks will include:
- Hybrid infrastructure management: administer VMware vCenter, manage Linux and Windows servers, create and maintain standardized VM templates, perform regular updates, maintenance, and security hardening
- Backup and disaster recovery: design, implement, and operate a comprehensive backup and offsite DR strategy; regularly test and document recovery procedures in cooperation with Information Security team
- Automation and scripting: develop and maintain automation (Python, PowerShell, Bash) to reduce manual work, apply Infrastructure as Code principles for system configuration and management
- Identity and access management: integrate and manage systems with Entra ID (Azure AD) for centralized, secure access control
- Networking and security: manage office networking (LAN, WAN, VPN, firewalls) and enforce security best practices across systems and networks
- Monitoring and incident response: implement and manage monitoring and alerting (e.g., Prometheus, Grafana), lead incident response, conduct root-cause analysis, and implement preventive measures
- Documentation and collaboration: maintain clear, up-to-date technical documentation, participate in change management and share your knowledge with the team
- Proven experience as a Site Reliability Engineer, Systems Administrator, or similar role
- Strong experience with VMware vCenter and administering both Linux and Windows Server environments
- Demonstrable expertise in designing and managing backup and disaster recovery solutions
- Proficiency in scripting languages such as Python, PowerShell, or Bash
- Hands-on experience with Entra ID (Azure AD) integration and management
- Solid understanding of networking fundamentals and office network operations
- Experience with monitoring and observability tools
- Advantage for experience with Infrastructure as Code tools like Terraform or Ansible, familiarity with containerization technologies (Docker, Kubernetes) and/or relevant certifications (e.g., VMware, Microsoft, Linux+, Network+)
- Be proactive, a fast learner, and oriented toward automation and reliability
- Share knowledge and maintain clear, current documentation and postmortems
- Demonstrate end-to-end ownership across design, deployment, operations, and incident management
- Communicate clearly with stakeholders and take responsibility for outcomes
- Fast-paced and delivery-focused culture We work with well-defined quarterly based objectives, that allow us to fast-track the progression of our work and improve as we go
- Tough engineering challenges & hard-core R&D You will be able to work on unique space technology and build next-gen innovations, while mentored by world-recognized space experts
- Constant learning and progression Own your personal growth by navigating through our career progression framework and educational programs
- Chance to join our space educational program Meet international space experts and improve your knowledge and skillset with our hands-on educational program