Hybrid Stockholm: Data Platform Admin (MySQL/MongoDB)

Comeon Group; Stockholms kommun; Hybrid; SEK 700,000 - 900,000; Full time

Benefits offered by this job

Company bonus

Quarterly events

Remote workstation bonus

Up to 40 remote days

30 vacation days

Pension and insurance

Laptop and phone

Health subsidy

Office events

Job summary

ComeOn Group in Stockholm, Sweden, is seeking a data platform administrator to own MySQL and MongoDB across development and production. The role blends hands-on ops with growth into broader data engineering responsibilities, supporting analytics and pipelines in a hybrid work model.

You will tackle uptime, schema changes, performance tuning, data migrations, and upgrades while collaborating with developers, BI, QA and DevOps.

Qualifications

• 5+ years of experience in MySQL and MongoDB administration.
• Experience with schema changes, large-table operations, performance tuning and migrations.
• Strong operational mindset: high-availability setups, backups and platform reliability.
• Exposure to cloud platforms (BigQuery, AWS, GCP).
• Scripting/automation experience (Python, Bash, SQL). Proactive, confident and ready to take ownership.
• Collaborates effectively with developers, product owners, BI teams, QA and DevOps.
• Eager to modernize legacy database structures and expand into broader data engineering responsibilities, including understanding modern data-flow tooling and pipelines.
• Proficient in English, both spoken and written.

Responsibilities

• Own MySQL, MongoDB and related systems across development and production environments.
• Ensure database uptime, reliability, performance tuning, monitoring, scaling, backups and security.
• Manage schema changes, large-table operations, and data migrations with confidence and precision.
• Lead database upgrades and work with teams to refactor legacy structures into modern, scalable designs.
• Automate operational tasks to increase efficiency and reliability.
• Support real-time pipelines and data flows across teams.
• Support audits, change management and regulatory compliance.
• Manage access controls and release processes.
• Partner with developers, product owners, BI teams and QA to ensure high-quality, reliable data.
• Collaborate with the team and grow into broader engineering responsibilities over time.

Skills

MySQL administration

MongoDB administration

Schema changes

Performance tuning

Data migrations

High availability

Cloud platforms

Scripting

English proficiency

Team collaboration

Tools

BigQuery

AWS

GCP

Job description

ComeOn Group in Stockholm, Sweden, is seeking a data platform administrator to own MySQL and MongoDB across development and production. The role blends hands-on ops with growth into broader data engineering responsibilities, supporting analytics and pipelines in a hybrid work model.

You will tackle uptime, schema changes, performance tuning, data migrations, and upgrades while collaborating with developers, BI, QA and DevOps.