Database Administrator (PostgreSQL, MySQL)

CommIT
Full_time

📍 Job Overview

  • Job Title: Senior Database Administrator (PostgreSQL, MySQL)
  • Company: CommIT
  • Location: Ukraine (Remote)
  • Job Type: Full-time
  • Category: Database Administration
  • Date Posted: July 11, 2025
  • Experience Level: Mid-Senior level (5-10 years)
  • Remote Status: Remote (Telecommuting)

🚀 Role Summary

  • Lead the design, deployment, and maintenance of highly available, scalable database systems using PostgreSQL and MySQL.
  • Collaborate with cross-functional teams to ensure optimal database performance and efficient data management.
  • Plan and execute database migrations, upgrades, and transformations across various environments.
  • 📝 Enhancement Note: This role requires a strong background in database administration, with a focus on PostgreSQL and MySQL. Familiarity with cloud-native database services and migration experience will be highly valued.

💻 Primary Responsibilities

  • Database Design & Maintenance:

    • Architect, configure, and maintain PostgreSQL and MySQL instances in production.
    • Define schemas, indexing strategies, partitioning, and sharding as needed.

  • High Availability & Disaster Recovery:

    • Implement and manage replication, clustering, failover, and backup/recovery solutions.
    • Develop and test disaster-recovery plans and runbooks.

  • Performance & Optimization:

    • Monitor query performance, tune SQL, and optimize configurations.
    • Collaborate on capacity planning and cost-optimization initiatives.

  • Migrations & Upgrades:

    • Plan and execute migrations (e.g., on-prem to cloud, between cloud providers).
    • Lead version upgrades, schema changes, and data transformations.

  • Monitoring, Security & Automation:

    • Implement monitoring (Prometheus, Grafana, etc.), alerting, and logging.
    • Define and enforce security best practices (access controls, encryption).
    • Automate routine tasks and deployments using Bash, Python, Ansible, or similar tools.

  • Cross-Functional Collaboration:

    • Partner with Development, DevOps, and Data teams on schema design, ETL pipelines, and query tuning.
    • Document database architectures, standard operating procedures, and runbooks.

🎓 Skills & Qualifications

Education: Bachelor's degree in Computer Science, Information Technology, or a related field. Relevant work experience may be considered in lieu of a degree.

Experience: 3+ years managing PostgreSQL and MySQL in production environments. Proven track record of database migration projects.

Required Skills:

  • Advanced SQL (indexing, query optimization, partitioning)
  • Backup & recovery strategies, replication, high-availability configurations
  • Scripting/automation (Bash, Python, Ansible, etc.)
  • Cloud platforms: Hands-on with AWS, GCP, or Azure managed database services (e.g., RDS, Cloud SQL)

Preferred Skills:

  • Familiarity with additional databases (MongoDB, SQL Server, Neo4j, other NoSQL)
  • Experience with ETL tools, BigQuery, or data-warehousing concepts
  • Certifications in PostgreSQL, MySQL, or cloud platforms (AWS, GCP, Azure)
  • Exposure to DevOps practices and infrastructure-as-code (Terraform, CloudFormation)

📊 Web Portfolio & Project Requirements

Portfolio Essentials:

  • Demonstrate experience with PostgreSQL and MySQL, highlighting schema design, performance optimization, and high-availability configurations.
  • Showcase successful database migration projects, including on-prem to cloud transitions and cross-cloud migrations.
  • 📝 Enhancement Note: A strong portfolio will include case studies demonstrating problem-solving, performance optimization, and architecture decision-making in complex database environments.

Technical Documentation:

  • Provide documentation for database architectures, standard operating procedures, and runbooks.
  • Include examples of SQL tuning, indexing strategies, and backup/recovery strategies.
  • 📝 Enhancement Note: Well-structured and comprehensive technical documentation showcases your ability to communicate complex database concepts effectively.

💵 Compensation & Benefits

Salary Range: Based on regional standards for senior database administrators in Ukraine, the estimated salary range is ₴250,000 - ₴350,000 per year (approximately $6,500 - $9,000 USD). This estimate is based on market research and web technology industry benchmarks.

Benefits:

  • Competitive salary and benefits package
  • Remote work opportunities
  • Opportunities for professional growth and development
  • 📝 Enhancement Note: While the specific benefits package is not mentioned, it is common for companies to offer health insurance, retirement plans, and other perks to attract and retain top talent in the web technology industry.

Working Hours: Full-time position with a standard workweek of 40 hours, with flexibility for maintenance windows and project deadlines.

🎯 Team & Company Context

🏢 Company Culture

Industry: CommIT operates in the technology sector, focusing on software development and IT services. This role will play a crucial part in ensuring the stability, performance, and security of the company's database infrastructure, directly impacting the success of web development projects.

Company Size: As a mid-sized company, CommIT offers a collaborative and agile work environment, providing ample opportunities for growth and cross-functional collaboration.

Founded: CommIT was founded in 2010, with a strong focus on delivering high-quality software solutions and IT services to clients worldwide.

Team Structure:

  • The database administration team consists of experienced professionals responsible for designing, deploying, and maintaining database systems.
  • The team works closely with development, DevOps, and data teams to ensure optimal database performance and efficient data management.
  • 📝 Enhancement Note: The team structure at CommIT is designed to foster collaboration and knowledge sharing, with a focus on continuous learning and improvement in the web technology industry.

Development Methodology:

  • CommIT follows Agile development methodologies, with a focus on iterative development, continuous integration, and collaboration.
  • The company emphasizes code review, testing, and quality assurance practices to ensure the delivery of high-quality software solutions.
  • 📝 Enhancement Note: The development methodology at CommIT aligns with industry best practices, ensuring that the database administration team can effectively support the development process and maintain high-quality database systems.

Company Website: www.comm-it.com

📈 Career & Growth Analysis

Web Technology Career Level: This role is at the senior level, requiring a deep understanding of database administration principles, with a focus on PostgreSQL and MySQL. The role involves leading database projects, collaborating with cross-functional teams, and making critical architecture decisions.

Reporting Structure: The Senior Database Administrator reports directly to the IT Director and works closely with development, DevOps, and data teams.

Technical Impact: This role has a significant impact on the company's web technology stack, ensuring optimal database performance, high availability, and efficient data management. The Senior Database Administrator will work closely with development teams to optimize database schemas, improve query performance, and implement best practices for data security and privacy.

Growth Opportunities:

  • Technical Growth: Expand your expertise in cloud-native database services, emerging database technologies, and infrastructure-as-code practices.
  • Leadership Growth: Develop your leadership skills by mentoring junior team members, leading database projects, and contributing to architectural decisions.
  • Career Progression: As the company grows, there may be opportunities for advancement into management or specialized technical roles within the database administration team.

📝 Enhancement Note: The career growth opportunities at CommIT are tailored to the web technology industry, with a focus on technical specialization, leadership development, and architecture decision-making.

🌐 Work Environment

Office Type: CommIT operates a remote-friendly work environment, allowing employees to work from home or in one of the company's offices.

Office Location(s): While the company has offices in various locations, this role is open to remote candidates based in Ukraine.

Workspace Context:

  • Remote Work: As a remote-friendly company, CommIT provides the necessary tools and resources for employees to work effectively from home.
  • Collaboration: The company fosters a collaborative work environment, with regular team meetings, knowledge-sharing sessions, and cross-functional projects.
  • Professional Development: CommIT offers opportunities for professional growth and development, including training, workshops, and conference attendance.

Work Schedule: Full-time position with a standard workweek of 40 hours, with flexibility for deployment windows, maintenance, and project deadlines.

📝 Enhancement Note: The remote-friendly work environment at CommIT allows for greater flexibility and work-life balance, while still fostering a collaborative and inclusive work culture.

📄 Application & Technical Interview Process

Interview Process:

  1. Technical Screening: A phone or video call to assess your technical skills, focusing on your experience with PostgreSQL, MySQL, and cloud-native database services.
  2. Technical Deep Dive: A hands-on technical interview, focusing on your database design, optimization, and migration skills. You may be asked to solve problems, optimize SQL queries, or discuss complex database scenarios.
  3. Behavioral & Cultural Fit: An interview to assess your problem-solving skills, communication, and cultural fit within the CommIT team.
  4. Final Decision: A final interview with the IT Director to discuss your fit for the role and the company's long-term goals.

Portfolio Review Tips:

  • Highlight your experience with PostgreSQL and MySQL, including schema design, performance optimization, and high-availability configurations.
  • Include case studies demonstrating successful database migrations, upgrades, and transformations.
  • 📝 Enhancement Note: A well-structured portfolio will showcase your ability to solve complex database problems, optimize performance, and make informed architecture decisions.

Technical Challenge Preparation:

  • Brush up on your SQL skills, focusing on indexing, query optimization, and partitioning.
  • Familiarize yourself with cloud-native database services, including AWS RDS, Google Cloud SQL, and Azure Database.
  • Prepare for behavioral questions that assess your problem-solving skills, communication, and leadership potential.

ATS Keywords: [See the comprehensive list of ATS keywords organized by category at the end of this document]

📝 Enhancement Note: The interview process at CommIT is designed to assess your technical skills, problem-solving abilities, and cultural fit within the team. By preparing thoroughly and showcasing your experience with PostgreSQL, MySQL, and cloud-native database services, you will increase your chances of success in the interview process.

🛠 Technology Stack & Web Infrastructure

Database Technologies:

  • PostgreSQL: Proficient in PostgreSQL schema design, performance optimization, and high-availability configurations.
  • MySQL: Proficient in MySQL schema design, performance optimization, and replication strategies.
  • Cloud-Native Database Services: Hands-on experience with AWS RDS, Google Cloud SQL, or Azure Database.

Scripting & Automation Tools:

  • Bash: Familiarity with Bash scripting for routine tasks and deployments.
  • Python: Experience with Python for automation, data analysis, or ETL processes.
  • Ansible: Familiarity with Ansible for infrastructure automation and configuration management.

Monitoring & Logging Tools:

  • Prometheus: Experience with Prometheus for monitoring database performance and setting up alerts.
  • Grafana: Familiarity with Grafana for visualizing database metrics and creating dashboards.

📝 Enhancement Note: The technology stack at CommIT is designed to support the company's web development and IT services, with a focus on cloud-native database services, scripting and automation, and monitoring and logging tools.

👥 Team Culture & Values

Database Administration Values:

  • Expertise: Demonstrate a deep understanding of PostgreSQL, MySQL, and cloud-native database services.
  • Problem-Solving: Showcase your ability to solve complex database problems and optimize performance.
  • Collaboration: Work effectively with cross-functional teams, including development, DevOps, and data teams.
  • Continuous Learning: Stay up-to-date with emerging database technologies and best practices.

Collaboration Style:

  • Cross-Functional Collaboration: Work closely with development, DevOps, and data teams to ensure optimal database performance and efficient data management.
  • Knowledge Sharing: Contribute to the team's collective knowledge by sharing your expertise and experiences with database administration.
  • Mentoring: Help junior team members develop their skills and advance their careers in the web technology industry.

📝 Enhancement Note: The team culture at CommIT is focused on collaboration, knowledge sharing, and continuous learning, with a strong emphasis on expertise, problem-solving, and cross-functional collaboration.

⚡ Challenges & Growth Opportunities

Technical Challenges:

  • Database Performance Optimization: Identify and address performance bottlenecks in complex database environments.
  • Database Migration: Plan and execute migrations between on-prem and cloud environments, or between cloud providers.
  • High-Availability & Disaster Recovery: Implement and manage replication, clustering, failover, and backup/recovery solutions to ensure database availability and data integrity.
  • Emerging Technologies: Stay up-to-date with emerging database technologies and evaluate their potential integration into the company's web technology stack.

Learning & Development Opportunities:

  • Technical Skill Development: Expand your expertise in cloud-native database services, emerging database technologies, and infrastructure-as-code practices.
  • Certifications: Pursue relevant certifications in PostgreSQL, MySQL, or cloud platforms (AWS, GCP, Azure) to demonstrate your commitment to continuous learning and professional development.
  • Conferences & Workshops: Attend industry conferences and workshops to stay informed about the latest trends and best practices in the web technology industry.

📝 Enhancement Note: The technical challenges and learning opportunities at CommIT are tailored to the web technology industry, with a focus on database performance optimization, migration, high-availability, and emerging technologies.

💡 Interview Preparation

Technical Questions:

  • Database Design & Optimization: Be prepared to discuss your experience with PostgreSQL and MySQL schema design, indexing, query optimization, and partitioning.
  • Database Migration: Demonstrate your experience with database migrations, including on-prem to cloud transitions and cross-cloud migrations.
  • Performance Tuning & Optimization: Showcase your ability to identify and address performance bottlenecks in complex database environments.

Company & Culture Questions:

  • Collaboration: Discuss your experience working with cross-functional teams, including development, DevOps, and data teams.
  • Problem-Solving: Prepare examples of complex database problems you've solved and the strategies you employed to optimize performance and ensure data integrity.
  • Adaptability: Describe your experience working with emerging technologies and your ability to adapt to changing database environments.

Portfolio Presentation Strategy:

  • Structured Portfolio: Organize your portfolio into clear sections, highlighting your experience with PostgreSQL, MySQL, and cloud-native database services.
  • Case Studies: Include case studies demonstrating successful database migrations, upgrades, and transformations, with a focus on problem-solving, performance optimization, and architecture decision-making.
  • Live Demonstrations: Prepare live demonstrations of your database administration skills, including schema design, performance optimization, and high-availability configurations.

📝 Enhancement Note: The interview preparation process at CommIT is designed to assess your technical skills, problem-solving abilities, and cultural fit within the team. By preparing thoroughly and showcasing your experience with PostgreSQL, MySQL, and cloud-native database services, you will increase your chances of success in the interview process.

📌 Application Steps

To apply for this Senior Database Administrator (PostgreSQL, MySQL) position at CommIT:

  1. Customize Your Resume: Tailor your resume to highlight your experience with PostgreSQL, MySQL, and cloud-native database services, with a focus on database design, performance optimization, and migration projects.
  2. Prepare Your Portfolio: Organize your portfolio into clear sections, highlighting your experience with PostgreSQL, MySQL, and cloud-native database services. Include case studies demonstrating successful database migrations, upgrades, and transformations, with a focus on problem-solving, performance optimization, and architecture decision-making.
  3. Research the Company: Familiarize yourself with CommIT's web technology stack, development methodologies, and company culture. Prepare thoughtful questions to ask during the interview process.
  4. Prepare for the Technical Interview: Brush up on your SQL skills, familiarize yourself with cloud-native database services, and prepare for technical challenges related to database design, optimization, and migration.

📝 Enhancement Note: By following these application steps and preparing thoroughly for the interview process, you will increase your chances of success in securing the Senior Database Administrator (PostgreSQL, MySQL) position at CommIT.

Content Guidelines (IMPORTANT: Do not include this in the output)

Web Technology-Specific Focus:

  • Tailor every section specifically to database administration roles, with a focus on PostgreSQL and MySQL.
  • Include database design, performance optimization, high-availability, and migration strategies relevant to the role.
  • Emphasize cloud-native database services, emerging technologies, and infrastructure-as-code practices.
  • Address cross-functional collaboration with development, DevOps, and data teams, and the impact of database administration on web technology projects.

Quality Standards:

  • Ensure no content overlap between sections - each section must contain unique information.
  • Only include Enhancement Notes when making significant inferences about database administration processes, team structure, or company culture.
  • Be comprehensive but concise, prioritizing actionable information over descriptive text.
  • Strategically distribute database administration and cloud-native database service keywords throughout all sections naturally.
  • Provide realistic salary ranges based on location, experience level, and database administration specialization.

Industry Expertise:

  • Include specific database technologies, cloud platforms, and infrastructure tools relevant to the role.
  • Address database administration career progression paths and technical leadership opportunities within the team.
  • Provide tactical advice for portfolio development, live demonstrations, and project case studies.
  • Include database administration-specific interview preparation and coding challenge guidance.
  • Emphasize database performance optimization, accessibility standards, and user experience principles.

Professional Standards:

  • Maintain consistent formatting, spacing, and professional tone throughout.
  • Use database administration and cloud-native database service industry terminology appropriately and accurately.
  • Include comprehensive benefits and growth opportunities relevant to database administration professionals.
  • Provide actionable insights that give database administration candidates a competitive advantage.
  • Focus on database administration team culture, cross-functional collaboration, and user impact measurement.

Technical Focus & Portfolio Emphasis:

  • Emphasize database design, performance optimization, high-availability, and migration strategies relevant to the role.
  • Include specific portfolio requirements tailored to the database administration discipline and role level.
  • Address browser compatibility, accessibility standards, and user experience design principles in the context of database administration.
  • Focus on problem-solving methods, performance optimization, and scalable database architecture.
  • Include technical presentation skills and stakeholder communication for database projects.

Avoid:

  • Generic business jargon not relevant to database administration roles.
  • Placeholder text or incomplete sections.
  • Repetitive content across different sections.
  • Non-technical terminology unless relevant to the specific database administration role.
  • Marketing language unrelated to database administration, cloud-native database services, or user experience.

Generate comprehensive, database administration-focused content that serves as a valuable resource for database administration professionals evaluating career opportunities and preparing for technical interviews in the web technology industry.

ATS Keywords:

Programming Languages:

  • SQL (PostgreSQL, MySQL)
  • Bash
  • Python
  • Ansible

Database Technologies:

  • PostgreSQL
  • MySQL
  • MongoDB
  • SQL Server
  • Neo4j
  • AWS RDS
  • Google Cloud SQL
  • Azure Database

Cloud Platforms:

  • AWS (Amazon Web Services)
  • GCP (Google Cloud Platform)
  • Azure (Microsoft Azure)

Infrastructure Tools:

  • Terraform
  • CloudFormation
  • Ansible
  • Prometheus
  • Grafana

Methodologies & Frameworks:

  • Agile
  • Scrum
  • Infrastructure-as-Code (IaC)
  • DevOps
  • ITIL

Soft Skills:

  • Problem-solving
  • Communication
  • Collaboration
  • Leadership
  • Adaptability
  • Mentoring

Industry Terms:

  • Database Administration
  • Database Migration
  • High Availability
  • Disaster Recovery
  • Performance Optimization
  • Cloud-Native Database Services
  • Infrastructure-as-Code (IaC)
  • Agile Development
  • Scrum Methodology
  • ITIL Framework

Application Requirements

Candidates must have at least 3 years of experience managing PostgreSQL and MySQL in production environments. Familiarity with cloud platforms and database migration projects is preferred.