Junior Site Reliability Engineer
- Level
- Junior
- Work type
- Hybrid · Warsaw
Not stated in the posting: salary, visa.
Open. First seen 3 October 2026.
About the role
Moon Active is a company driven by the mission to become a global leader in mobile gaming. Founded in 2011, our passion for creativity, cutting-edge technology, and delivering exceptional player experiences has resulted in games enjoyed by millions worldwide.
We're looking for a Junior Site Reliability Engineer to join our talented community of professionals in our Warsaw office and contribute to the ongoing success of our leading mobile gaming products.
The Site Reliability department focuses on ensuring the continuous smooth operation of live production systems that serve millions of players globally. You will support production activities by troubleshooting, developing, maintaining, and documenting technical solutions related to Moon Active’s production infrastructure.
Responsibilities
- Ongoing monitoring and control of the availability of the different services of the production 24/7;
- Monitoring and detecting problems in the production environment, as well as 1st and 2nd tier infrastructure and application troubleshooting;
- Working within Operations with interfaces to Product, R&D and Support teams to escalate, troubleshoot and resolve complex issues;
- Ensuring proper documentation is provided for all supported SRE activities and standards.
Requirements
- AI driven mindset and experience in LLM tools usage;
- Experience with Linux based systems;
- Scripting experience (Python/Bash/etc);
- Basic monitoring experience;
- Good communications skills;
- Troubleshooting and problem-solving skills;
- A team player with the flexibility to work rotating shifts between 7:00 and 21:00
- Proficiency in English.
Advantages
- Be familiar with AWS/GCP (or other cloud providers);
- Be familiar with AI tools (Cursor, Claude Code, MCP etc.);
- Experience with monitoring tool and vendors such as Prometheus, Grafana, ELK, NewRelic, Signalfx, CloudWatch, DataDog, etc;
- Experience with SQL;
- Experience with IaC (Terraform);
- Experience with distributed systems, containers and Kubernetes.
Benefits
Why join Moon Active?
- Be part of a leading global mobile gaming company with a unique product enjoyed by millions;
- Thrive in an exceptional, innovative, and dynamic environment;
- Enjoy full transparency and open communication with talented colleagues across teams;
- Take advantage of tremendous opportunities for professional growth and career advancement within a rapidly expanding company;
- Influence and help build personalized product experiences that impact millions of users worldwide.
We offer
- Generous compensation; paid vacation and sick leave;
- Extensive medical and life insurance coverage for you and your family;
- CrossFit & running classes at the office and MultiSport card;
- Comfortable and modern office located on Królewska 16 street in Warsaw;
- Free daily breakfasts and lunches, and a fully stocked kitchen with snacks and fruits;
- Latest tech equipment, including macOS devices;
- Training & Development/Tuition reimbursement;
- Friend Referral Program with generous bonuses;
- Fun and collaborative workplace culture with regular Friday Happy Hours and team gatherings;
- Bicycle and Car parking.
We Play to Win! We Play it Smart! We Play as a Team!
We are committed to investing in our employees and fostering a workplace that champions innovation, creativity, and collaboration. At Moon Active, we empower our team members to unleash their potential and achieve remarkable results every day. We encourage bold decision-making and believe that every individual has a significant impact on our success. Join us and level up your career in a supportive and high-achieving environment!
#LI-Hybrid
What this role asks for
Particular to this role
Bash · Datadog · Grafana · New Relic · Prometheus · SQL
Rare in Moon Active's other 23 open postings.
Standard for DevOps / SRE / cloud roles
AWS · GCP · Kubernetes · Linux · Python · Terraform
Common in DevOps / SRE / cloud postings at any company.
Read against Moon Active's other open postings on this site.
The team: R&D
This role is one of 9 open in R&D.
WHAT THE TEAM WORKS WITH, ACROSS ITS POSTINGS
LLM (7 of 9), AWS (5 of 9), C# (4 of 9), GCP (4 of 9), CI/CD (3 of 9), Firebase (3 of 9), Golang (3 of 9)
OTHER ROLES ON THIS TEAM
- Game Engineer posted Sep 6
- Full Stack Developer posted Aug 23
- Backend Developer posted Aug 4
- Unity Developer posted Aug 1
- DevOps Engineer posted Jul 29
- DevOps Engineer posted Jul 29
- Unity Developer (Coin Master) posted Jul 29
- Unity Developer posted Jul 29
From the team and dates on Moon Active's own job board.
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