Application Guide
How to Apply for Senior Site Reliability Engineer
at Lunar Energy
🏢 About Lunar Energy
Lunar Energy is at the forefront of the green energy revolution, combining AI with solar and battery systems to make homes more sustainable. Their mission-driven focus on combating climate change through innovative technology makes them a unique and impactful place to work.
About This Role
As a Senior SRE, you'll design and manage scalable AWS infrastructure, ensuring the reliability of critical systems like databases and ETL pipelines that power AI-driven energy solutions. Your work directly enables fast iteration and automation, accelerating the transition to sustainable energy.
💡 A Day in the Life
You'll start by reviewing dashboards for critical systems, then collaborate with engineering to design a scalable solution for a new data pipeline. After lunch, you might automate a manual deployment process or troubleshoot a database performance issue, all while contributing to the team's reliability goals.
🚀 Application Tools
🎯 Who Lunar Energy Is Looking For
- Has 8+ years in SRE/DevOps with deep AWS expertise, especially in managing cloud databases like PostgreSQL, Elasticsearch, and InfluxDB at scale.
- Is passionate about sustainability and AI, eager to apply automation and AI to improve infrastructure efficiency and reliability.
- Thrives on ownership of critical systems, with a track record of designing highly available, scalable solutions and CI/CD pipelines.
- Values collaboration and is comfortable working remotely in a UK-based team, with strong communication skills.
📝 Tips for Applying to Lunar Energy
Highlight specific AWS services you've used (e.g., RDS, ElastiCache, Redshift) and how you ensured high availability and scalability.
Mention any experience with AI/ML pipelines or automation tools (e.g., Terraform, Ansible, Kubernetes) relevant to the role's AI focus.
Quantify impact: e.g., 'Reduced database downtime by 99.9%' or 'Automated deployments, cutting release time by 50%'.
Tailor your CV to show ownership of critical systems and databases, not just general DevOps tasks.
Research Lunar Energy's products (e.g., their AI-driven home energy system) and mention how your skills apply to their specific challenges.
✉️ What to Emphasize in Your Cover Letter
['Your passion for sustainability and how your SRE skills can help Lunar Energy scale its AI-driven energy solutions.', 'Specific examples of designing highly available AWS infrastructure and managing large-scale databases.', "Experience with CI/CD and automation, especially how you've used AI or innovative tools to improve reliability.", 'Your ability to take ownership and work autonomously in a remote, fast-paced startup environment.']
Generate Cover Letter →🔍 Research Before Applying
To stand out, make sure you've researched:
- → Learn about Lunar Energy's product: their AI-driven home energy system that optimizes solar and battery usage.
- → Understand their cloud architecture: likely AWS-based with IoT, data streaming, and analytics components.
- → Check their blog or news for recent updates on partnerships, funding, or technology advancements.
- → Review their culture and values on their careers page to align your application with their mission.
💬 Prepare for These Interview Topics
Based on this role, you may be asked about:
⚠️ Common Mistakes to Avoid
- Not emphasizing database expertise – this role specifically requires PostgreSQL, Elasticsearch, and InfluxDB management.
- Being vague about AWS experience – be specific about services and architectures you've used.
- Ignoring the AI/automation aspect – the job description highlights 'implementation and improvement of automation and AI'.
📅 Application Timeline
This position is open until filled. However, we recommend applying as soon as possible as roles at mission-driven organizations tend to fill quickly.
Typical hiring timeline:
Application Review
1-2 weeks
Initial Screening
Phone call or written assessment
Interviews
1-2 rounds, usually virtual
Offer
Congratulations!