Senior Site Reliability Engineer
📍 Job Overview
- Job Title: Senior Site Reliability Engineer
- Company: Invisible Technologies
- Location: Warsaw, Mazowieckie, Poland
- Job Type: Full-Time
- Category: DevOps, Infrastructure
- Date Posted: 2025-06-24
- Experience Level: 5-10 years
- Remote Status: On-site (Warsaw, Poland)
🚀 Role Summary
- Key Responsibilities: Ensure production system availability, performance, and scalability. Deploy, configure, automate, and manage cloud-based infrastructure using tools like Kubernetes, Terraform, and Argo. Collaborate with engineering teams to improve application reliability and design deployment pipelines.
- Key Technologies: Kubernetes, Terraform, Argo, Datadog, Sentry, PostgreSQL, IAM, Security Groups, RBAC, and distributed cloud services.
📝 Enhancement Note: This role focuses on managing and optimizing production systems, requiring a strong understanding of cloud architecture and experience with major cloud providers. The ideal candidate will have expertise in Kubernetes and infrastructure as code tools, with a proven track record of improving system reliability and performance.
💻 Primary Responsibilities
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System Management & Reliability:
- Ensure the availability, performance, and scalability of production systems.
- Identify and resolve system bottlenecks, optimizing for performance and cost efficiency.
- Design, support, and manage deployment pipelines to enable world-class delivery of applications.
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Cloud & Infrastructure Management:
- Deploy, configure, automate, and manage cloud-based infrastructure using tools like Kubernetes, Terraform, and Argo.
- Design, develop, and maintain comprehensive monitoring and observability systems using Datadog and Sentry.
- Define Service Level Objectives (SLOs) and Service Level Indicators (SLIs) to measure reliability and performance.
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Collaboration & Teamwork:
- Collaborate closely within engineering teams to improve application reliability, resilience, and maturity.
- Build tools for system provisioning, monitoring, deployment, and scaling.
- Troubleshoot and optimize production systems, working with teams to address issues and improve processes.
🎓 Skills & Qualifications
Education: Bachelor's degree in Computer Science, Engineering, or a related field. Relevant experience may be considered in lieu of a degree.
Experience: 5-10 years of experience in a similar role, with a proven track record of improving system reliability and performance.
Required Skills:
- Strong understanding of cloud architecture, including expertise with major cloud providers (GCP, AWS, Azure).
- Understand underlying networking and security considerations when developing the architecture of deployment environments.
- Strong understanding of relational databases (PostgreSQL) and experience optimizing and advising on optimization techniques.
- Strong understanding of authentication and authorization principles such as IAM, Security Groups, RBAC, etc.
- Understanding of software engineering fundamentals, practices, and patterns with distributed cloud services.
- Strong experience with production systems troubleshooting and optimization.
- Experience with Kubernetes and ability to point to deployments architected or managed.
- Strong understanding of the operating model of Kubernetes and ability to explain requirements for designing deployments for new applications.
- Experience with infrastructure as code tools such as Terraform or CloudFormation.
Preferred Skills:
- Experience with Argo and familiarity with its deployment and management processes.
- Knowledge of Datadog and Sentry for monitoring and observability systems.
- Familiarity with defining Service Level Objectives (SLOs) and Service Level Indicators (SLIs).
- Experience with designing and implementing automated solutions to reduce manual operational tasks.
📊 Web Portfolio & Project Requirements
Portfolio Essentials:
- Demonstrate experience with cloud-based infrastructure management, highlighting deployments architected or managed using Kubernetes, Terraform, or similar tools.
- Showcase projects that exhibit strong understanding of relational databases and optimization techniques.
- Include examples of system troubleshooting and optimization, with clear explanations of the issues addressed and solutions implemented.
- Highlight any experience with defining SLOs and SLIs, and how they were used to measure reliability and performance.
Technical Documentation:
- Provide code quality documentation, explaining design decisions, and demonstrating attention to detail.
- Include version control, deployment processes, and server configuration documentation.
- Showcase testing methodologies, performance metrics, and optimization techniques used in previous projects.
📝 Enhancement Note: As this role focuses on system reliability and performance, the portfolio should emphasize projects that demonstrate the candidate's ability to identify, troubleshoot, and optimize production systems. Include examples of automated solutions and tools developed to improve system management and efficiency.
💵 Compensation & Benefits
Salary Range: The salary range for this role is $68,000 - $80,000 USD per year, depending on experience and location.
Benefits:
- Bonuses and equity are included in offers above entry level.
- Final compensation is determined by a combination of factors, including location, job-related experience, skills, knowledge, internal pay equity, and overall market conditions.
Working Hours: Full-time position with a standard 40-hour workweek. Some flexibility may be available for deployment windows, maintenance, and project deadlines.
📝 Enhancement Note: While the salary range provided is for the Warsaw, Poland location, Invisible Technologies is a remote-first organization and hires new team members in countries around the world. The Talent Acquisition team can provide more information on which locations are included in each of their geographic pay tiers during the interview process. For candidates outside the U.S., compensation will be adjusted to reflect local market conditions and cost-of-living differentials.
🎯 Team & Company Context
🏢 Company Culture
Industry: Invisible Technologies is the AI training and scaling partner for leading foundation model providers, enterprises, and governments, bridging the gap between AI potential and production. They specialize in operationalizing AI for real-world applications.
Company Size: Invisible Technologies has experienced explosive growth, landing the #2 spot on the Inc. 5000 in 2024, with $134m in revenue. This rapid expansion has created numerous opportunities for growth and advancement within the company.
Founded: Invisible Technologies was founded in 2018 and has since grown to become a leading AI training and scaling partner, working with major clients such as AWS, Microsoft, and Cohere.
Team Structure:
- The team is organized around core products, with each Senior Site Reliability Engineer acting as an owner for one of these products.
- The role reports directly to the Engineering Manager, who oversees the team's technical direction and collaboration with other engineering teams.
- The team follows an Agile development methodology, with a focus on continuous improvement and innovation.
Development Methodology:
- Invisible Technologies uses an Agile/Scrum methodology for software development, with regular sprint planning and code reviews.
- The team emphasizes collaboration, knowledge sharing, and continuous learning, with a strong focus on mentoring and skill development.
- Deployment strategies, CI/CD pipelines, and server management are critical aspects of the role, requiring a strong understanding of these processes and tools.
Company Website: Invisible Technologies
📝 Enhancement Note: Invisible Technologies' unique AI Process Platform combines elite global human expertise, cutting-edge technology, and deep institutional knowledge gained by training 80% of the world's leading AI models. This expertise and technology enable the company to operationalize AI for real-world applications, making it an attractive employer for professionals seeking to work at the intersection of advanced AI and human ingenuity.
📈 Career & Growth Analysis
Web Technology Career Level: The Senior Site Reliability Engineer role is a senior-level position, requiring a high level of technical expertise and experience in managing production systems and infrastructure. This role is responsible for ensuring the availability, performance, and scalability of production systems, as well as collaborating with engineering teams to improve application reliability and design deployment pipelines.
Reporting Structure: The role reports directly to the Engineering Manager, who oversees the team's technical direction and collaboration with other engineering teams. The Senior Site Reliability Engineer is expected to work closely with these teams to improve application reliability and resilience, as well as to design and implement automated solutions to reduce manual operational tasks.
Technical Impact: The Senior Site Reliability Engineer has a significant impact on the technical direction of the company's products and services. They are responsible for ensuring that the underlying infrastructure and deployment processes support the needs of the engineering teams and enable the delivery of high-quality applications. Their work directly contributes to the reliability, scalability, and performance of the company's AI training and scaling platform.
Growth Opportunities:
- Technical Growth: Invisible Technologies offers numerous opportunities for technical growth, with a strong emphasis on continuous learning and skill development. The company encourages its employees to stay up-to-date with the latest technologies and best practices, providing access to conferences, certifications, and community involvement opportunities.
- Leadership Development: As the company continues to grow, there will be opportunities for Senior Site Reliability Engineers to take on leadership roles, mentoring junior team members, and contributing to the technical direction of the organization.
- Architecture Decisions: Senior Site Reliability Engineers are expected to make critical architecture decisions that impact the company's products and services. As the role evolves, there may be opportunities to take on more responsibility for these decisions, working closely with other senior team members to define the technical vision for the organization.
📝 Enhancement Note: Invisible Technologies' rapid growth and expansion create numerous opportunities for career progression and advancement within the company. The Senior Site Reliability Engineer role offers a unique chance to work at the intersection of advanced AI and human ingenuity, with a strong focus on collaboration, innovation, and continuous learning.
🌐 Work Environment
Office Type: Invisible Technologies has a remote-first work environment, with a physical office located in Warsaw, Poland. The company encourages its employees to work from this office when needed, but remote work is also an option for many roles.
Office Location(s): The physical office is located in Warsaw, Poland, with additional locations in other countries as the company continues to grow.
Workspace Context:
- Collaboration: The remote-first work environment encourages collaboration and communication, with regular team meetings and one-on-ones to ensure everyone is aligned and working towards the same goals.
- Development Tools: Invisible Technologies provides its employees with the tools they need to succeed, including multiple monitors, testing devices, and access to the latest development technologies.
- Cross-Functional Collaboration: The company emphasizes cross-functional collaboration, with regular interaction between developers, designers, and stakeholders to ensure that everyone is working together to deliver high-quality products and services.
Work Schedule: The standard workweek is 40 hours, with some flexibility for deployment windows, maintenance, and project deadlines. The company encourages its employees to maintain a healthy work-life balance, with regular breaks and time off to recharge and rejuvenate.
📝 Enhancement Note: Invisible Technologies' remote-first work environment offers a high degree of flexibility, allowing employees to balance their work and personal lives more effectively. The company's emphasis on collaboration and communication ensures that remote employees remain connected and engaged with their teams and the broader organization.
📄 Application & Technical Interview Process
Interview Process:
- Technical Preparation: Familiarize yourself with the company's products and services, as well as the technologies and tools used in the role. Brush up on your knowledge of cloud architecture, Kubernetes, Terraform, and Argo, as well as your understanding of relational databases and authentication principles.
- Technical Assessment: The technical assessment will focus on your ability to deploy, configure, and manage cloud-based infrastructure using the tools mentioned above. You will also be asked to demonstrate your understanding of system troubleshooting, optimization, and automation.
- Behavioral Assessment: The behavioral assessment will evaluate your problem-solving skills, communication, and collaboration abilities. Be prepared to discuss your approach to system management, reliability, and performance, as well as your experience working with engineering teams to improve application reliability and design deployment pipelines.
- Final Evaluation: The final evaluation will focus on your cultural fit with the company and your ability to contribute to the technical direction of the organization. Be prepared to discuss your long-term career goals and how you see yourself growing within the company.
Portfolio Review Tips:
- Highlight projects that demonstrate your experience with cloud-based infrastructure management, system troubleshooting, and optimization.
- Include examples of automated solutions and tools developed to improve system management and efficiency.
- Showcase your ability to collaborate with engineering teams to improve application reliability and design deployment pipelines.
Technical Challenge Preparation:
- Brush up on your knowledge of cloud architecture, Kubernetes, Terraform, and Argo, as well as your understanding of relational databases and authentication principles.
- Practice deploying, configuring, and managing cloud-based infrastructure using these tools.
- Familiarize yourself with the company's products and services, and be prepared to discuss how your technical skills and experience align with the role's requirements.
ATS Keywords: [Comprehensive list of web development and server administration-relevant keywords for resume optimization, organized by category: programming languages, web frameworks, server technologies, databases, tools, methodologies, soft skills, industry terms]
📝 Enhancement Note: Invisible Technologies' interview process is designed to assess your technical skills, problem-solving abilities, and cultural fit with the organization. By preparing thoroughly and demonstrating your expertise in the role's required technologies and tools, you can increase your chances of success in the interview process.
🛠 Technology Stack & Web Infrastructure
Frontend Technologies: N/A (This role is focused on backend and infrastructure technologies)
Backend & Server Technologies:
- Cloud Providers: GCP, AWS, Azure
- Containerization: Kubernetes
- Infrastructure as Code: Terraform
- Orchestration: Argo
- Monitoring & Observability: Datadog, Sentry
- Relational Databases: PostgreSQL
- Authentication & Authorization: IAM, Security Groups, RBAC
Development & DevOps Tools:
- Version Control: Git
- CI/CD Pipelines: Jenkins, GitHub Actions
- Server Management: Ansible, Puppet
- Configuration Management: Terraform, CloudFormation
- Infrastructure Automation: Terraform, CloudFormation
📝 Enhancement Note: Invisible Technologies' technology stack is designed to support the company's AI training and scaling platform, enabling the delivery of high-quality applications and services. The Senior Site Reliability Engineer role requires a strong understanding of these technologies and tools, as well as the ability to deploy, configure, and manage cloud-based infrastructure using them.
👥 Team Culture & Values
Web Development Values:
- Innovation: Invisible Technologies encourages its employees to stay up-to-date with the latest technologies and best practices, fostering a culture of continuous learning and improvement.
- Collaboration: The company emphasizes cross-functional collaboration, with regular interaction between developers, designers, and stakeholders to ensure that everyone is working together to deliver high-quality products and services.
- Quality: Invisible Technologies is committed to delivering high-quality products and services, with a strong focus on code quality, testing, and optimization.
- Customer Focus: The company places a strong emphasis on understanding and addressing the needs of its customers, working closely with them to ensure that its products and services meet their requirements.
Collaboration Style:
- Cross-Functional Integration: Invisible Technologies encourages its employees to work closely with other teams, including designers, marketers, and stakeholders, to ensure that everyone is aligned and working towards the same goals.
- Code Review Culture: The company emphasizes code reviews and peer programming, with a strong focus on knowledge sharing and continuous learning.
- Mentoring & Knowledge Sharing: Invisible Technologies encourages its employees to share their knowledge and expertise with their colleagues, fostering a culture of mentoring and skill development.
📝 Enhancement Note: Invisible Technologies' culture is built on a foundation of innovation, collaboration, and continuous learning. The company's commitment to delivering high-quality products and services, as well as its focus on understanding and addressing the needs of its customers, makes it an attractive employer for professionals seeking to work at the intersection of advanced AI and human ingenuity.
⚡ Challenges & Growth Opportunities
Technical Challenges:
- Cloud Architecture: Designing and managing scalable, secure, and efficient cloud-based infrastructure requires a strong understanding of cloud architecture principles and experience with major cloud providers.
- System Troubleshooting & Optimization: Identifying and resolving system bottlenecks, optimizing for performance and cost efficiency, and designing and implementing automated solutions to reduce manual operational tasks can be challenging and time-consuming.
- Collaboration & Communication: Working closely with engineering teams to improve application reliability and design deployment pipelines requires strong communication and collaboration skills, as well as the ability to build and maintain effective working relationships with team members.
Learning & Development Opportunities:
- Technical Skill Development: Invisible Technologies offers numerous opportunities for technical skill development, with a strong emphasis on continuous learning and staying up-to-date with the latest technologies and best practices.
- Leadership Development: As the company continues to grow, there will be opportunities for Senior Site Reliability Engineers to take on leadership roles, mentoring junior team members, and contributing to the technical direction of the organization.
- Architecture Decisions: Senior Site Reliability Engineers are expected to make critical architecture decisions that impact the company's products and services. As the role evolves, there may be opportunities to take on more responsibility for these decisions, working closely with other senior team members to define the technical vision for the organization.
📝 Enhancement Note: Invisible Technologies' rapid growth and expansion create numerous opportunities for career progression and advancement within the company. The Senior Site Reliability Engineer role offers a unique chance to work at the intersection of advanced AI and human ingenuity, with a strong focus on collaboration, innovation, and continuous learning.
💡 Interview Preparation
Technical Questions:
- Cloud Architecture: Be prepared to discuss your understanding of cloud architecture principles and experience with major cloud providers. You may be asked to describe your approach to designing and managing scalable, secure, and efficient cloud-based infrastructure.
- System Troubleshooting & Optimization: Brush up on your knowledge of system troubleshooting and optimization techniques, and be prepared to discuss your experience with identifying and resolving system bottlenecks. You may also be asked to describe your approach to designing and implementing automated solutions to reduce manual operational tasks.
- Collaboration & Communication: Familiarize yourself with the company's products and services, and be prepared to discuss your experience working with engineering teams to improve application reliability and design deployment pipelines. You may also be asked to describe your approach to building and maintaining effective working relationships with team members.
Company & Culture Questions:
- Company Culture: Research the company's culture and values, and be prepared to discuss how you align with them. You may be asked to describe your approach to collaboration, innovation, and continuous learning, as well as your understanding of the company's commitment to delivering high-quality products and services.
- Web Development Methodology: Brush up on your knowledge of Agile/Scrum methodologies and be prepared to discuss your experience with code reviews, testing, and quality assurance practices. You may also be asked to describe your approach to deployment strategies, CI/CD pipelines, and server management.
- Customer Focus: Familiarize yourself with the company's products and services, and be prepared to discuss your experience working with customers to understand and address their needs. You may also be asked to describe your approach to gathering and incorporating customer feedback into the development process.
Portfolio Presentation Strategy:
- Technical Demonstration: Prepare a live demonstration of your technical skills and experience, highlighting your ability to deploy, configure, and manage cloud-based infrastructure using the tools required for the role.
- Project Case Studies: Include examples of system troubleshooting and optimization projects, as well as any automated solutions or tools you have developed to improve system management and efficiency.
- Customer Focus: Highlight any projects that demonstrate your ability to work with customers to understand and address their needs, as well as your experience gathering and incorporating customer feedback into the development process.
📝 Enhancement Note: Invisible Technologies' interview process is designed to assess your technical skills, problem-solving abilities, and cultural fit with the organization. By preparing thoroughly and demonstrating your expertise in the role's required technologies and tools, you can increase your chances of success in the interview process.
📌 Application Steps
To apply for this Senior Site Reliability Engineer position at Invisible Technologies:
- Customize Your Portfolio: Tailor your portfolio to highlight your experience with cloud-based infrastructure management, system troubleshooting, and optimization. Include examples of automated solutions and tools developed to improve system management and efficiency, as well as any projects that demonstrate your ability to work with customers to understand and address their needs.
- Optimize Your Resume: Highlight your relevant technical skills and experience, with a focus on cloud architecture, Kubernetes, Terraform, and Argo. Include any experience you have with system troubleshooting, optimization, and automation, as well as your ability to collaborate with engineering teams to improve application reliability and design deployment pipelines.
- Prepare for Technical Challenges: Brush up on your knowledge of cloud architecture, Kubernetes, Terraform, and Argo, as well as your understanding of relational databases and authentication principles. Practice deploying, configuring, and managing cloud-based infrastructure using these tools, and be prepared to discuss your approach to system troubleshooting, optimization, and automation.
- Research the Company: Familiarize yourself with Invisible Technologies' products and services, as well as its culture and values. Be prepared to discuss your alignment with the company's commitment to innovation, collaboration, and continuous learning, as well as your understanding of its focus on delivering high-quality products and services.
⚠️ Important Notice: This enhanced job description includes AI-generated insights and web development/server administration industry-standard assumptions. All details should be verified directly with the hiring organization before making application decisions.
Application Requirements
Strong understanding of cloud architecture and experience with major cloud providers is essential. Candidates should also have expertise in Kubernetes, relational databases, and infrastructure as code tools.