System Engineer (m/f/n)

What you will do. A glimpse in your role:

As an
Application Support Engineer
, you will play a critical role in ensuring the
reliability, stability, and smooth operation
of our in‑house
DBO applications
, built on modern
.NET, Angular, and MSSQL
architectures. You will work close to production systems, supporting distributed, event‑driven platforms and continuously improving operational excellence.

You will collaborate closely with
Developers, QA, DevOps, UX, and Product teams
to investigate issues, optimize operability, and drive continuous service improvements. This role requires strong analytical thinking, clear communication, operational awareness, and a passion for automation and developer experience.

Every action has an impact. You will make a difference here if you:

• Provide
  L2 application support
  , ensuring high availability, resilience, and operational continuity of production systems.
• Troubleshoot complex production issues using
  logs, dashboards, metrics, and traces
  , applying deep system knowledge to resolve incidents efficiently.
• Support
  Kubernetes-based workloads
  , including pod diagnostics, log analysis, restarts, probes, networking, and scaling behavior.
• Investigate
  backend and API issues
  , event‑driven flows using
  RabbitMQ
  , and database‑related problems in
  MSSQL
  .
• Collaborate in
  incident response
  , post‑incident reviews, root‑cause analysis, and continuous improvement initiatives.
• Maintain and continuously improve
  runbooks, SOPs, and internal knowledge bases
  .
• Participate in
  release validation
  and
  operational readiness reviews
  to ensure production stability.
• Create, understand, and maintain
  basic automation scripts
  using
  PowerShell and Bash
  to reduce manual operations.
• Contribute to
  DevOps and Developer Experience (DevEx)
  improvements, including CI/CD reliability, deployment consistency, and environment stability.
• Enhance
  observability and service telemetry
  through actionable alerts, dashboards, and monitoring improvements.
• Apply
  secure‑by‑design principles
  , following OWASP guidelines, OIDC/OAuth2 standards, and compliance requirements.
• Leverage
  AI‑assisted tools
  for scripting, log analysis, diagnostics, and documentation—while critically validating outputs.
• Participate in
  on‑call rotations
  , out‑of‑hours deployments, and incident support when required.

Key competencies to empower your journey. You'll drive towards success if:

• You have strong
  analytical and problem‑solving skills
  with a structured approach to incident investigation.
• You are comfortable working in
  production environments
  and understand the operational impact of your actions.
• You communicate clearly and effectively, adapting technical topics for different audiences.
• You work well independently and thrive as part of a
  cross‑functional, multicultural team
  .
• You are proactive, curious, and motivated by continuous improvement.
• You enjoy working in
  regulated and high‑availability environments
  .

Skills

• Scripting and automation using
  PowerShell and Bash
  .
• Strong understanding of
  .NET‑based services
  , including API behavior, configuration, logging, diagnostics, and
  C# fundamentals
  .
• Hands‑on experience with
  REST APIs
  and tools such as
  Postman
  .
• Solid
  SQL skills
  (preferably MSSQL): query writing, debugging, and data validation.
• Experience with
  RabbitMQ
  , including message flows, retries, DLQs, and event‑driven troubleshooting.
• Log analysis and monitoring using
  Splunk
  , including writing queries and building dashboards.
• Kubernetes fundamentals
  : pods, events, probes, restarts, configs, and scaling.
• Observability concepts:
  logs, metrics, traces
  , and dashboard‑driven analysis.
• CI/CD fundamentals, including troubleshooting pipelines and quality gates.
• Experience with deployment tools such as
  Jenkins
  .
• Security awareness, including
  OWASP basics
  ,
  OIDC/OAuth2 flows
  , and secure secret handling.
• AI‑assisted operational work: log insights, script drafting, and documentation support.
• Strong administrative experience with
  ticketing systems
  such as Jira, ServiceNow, Xurrent, or similar.
• Frontend debugging experience using
  browser developer tools
  and a basic understanding of
  JavaScript
  .
• Experience in
  financial services or PCI‑DSS regulated environments
  is a strong plus.
• Solid experience with
  Microsoft Office tools
  ,
  Active Directory
  , and
  Windows Server
  .

Qualifications and education requirements

• University degree in
  Computer Science, IT, Engineering
  , or equivalent practical experience.
• 5+ years of experience
  in application support or production operations.
• Hands‑on experience supporting
  distributed systems
  in modern
  Agile environments
  .
• Exposure to
  ITIL
  or service management practices (ITIL Foundation preferred).
• Strong
  English communication skills
  , both written and verbal.

Together, we go further:

At
Global Blue
, great work happens when talented people come together in a supportive and inspiring environment. Here’s what you can expect:

• A role in a
  fast‑growing, international company
• Opportunities for
  professional development and career growth
• A
  multicultural workplace
  , collaborating with colleagues across regions
• An inspiring team and a
  dynamic, forward‑thinking culture
• A range of employee benefits, including:
• Employee referral program
• Team‑building activities and events
• Annual Christmas Party and more

We foster career growth through
internal mobility
, embrace an
Agile Working Model
, and prioritize
work‑life balance
. Committed to sustainability, we focus on creating positive impacts for employees, clients, and communities. Guided by our
5 Ways of Working
, we value collaboration, innovation, client satisfaction, and shared success.

Feels like you? Explore further!

Let’s write the future together: apply now!

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Global Blue

Important Notice for Applicants

Job‑related scams are becoming increasingly common. To stay safe, please follow these guidelines when applying:

• Submit applications only through official Global Blue channels.
  We do not use any third‑party services or platforms for recruitment.
• Always verify emails or LinkedIn messages.
  Ensure communications come from official
  @globalblue.com
  addresses or certified Global Blue recruiters/employees.
• We will never ask for payment or personal financial information
  during the hiring process. If anyone requests this, it is a scam — report it immediately.

Make a difference in the financial life of millions of people: At Erste Digital you are co-creating the digital future, in which better financial health is possible. #believeinyourself

We are part of Erste Group – the largest banking group in Central and Eastern Europe with more than 2,500 branches and over 45,000 employees. Our more than 2,000 IT experts and enthusiasts are the bank's Digital Muscle.

We are looking for a Site Reliability Engineer (SRE) with Oracle Database platform experience to support reliable, secure, and scalable database services.

In this role, you will work across database administration, platform operations, and reliability engineering. You will help improve automation, monitoring, incident response, and operational practices for mission-critical Oracle database environments.

What to do:

• Administer Oracle databases across development, testing, and production environments.
• Support database configuration, patching, upgrades, backup, recovery, security, access management, and compliance-related activities.
• Monitor database health, availability, performance, capacity, and resource utilization.
• Troubleshoot database-related issues and participate in incident resolution, root cause analysis, and problem management.
• Support high availability and disaster recovery solutions using Oracle RAC and Data Guard.
• Create and maintain scripts and automation for operational and administration tasks.
• Contribute to monitoring, logging, alerting, observability, and operational visibility for Oracle database platforms.
• Collaborate with database, platform, and application teams to improve reliability, resilience, and operational efficiency.

You check these boxes:

• Active experience in recent 2-4 years of administering Oracle databases or supporting enterprise database platforms in production environments.
• Knowledge of Oracle database administration, backup and recovery, performance tuning, and database operations.
• Experience writing and troubleshooting SQL and PL/SQL.
• Experience with Oracle technologies such as RAC, Data Guard, RMAN, and Oracle Enterprise Manager.
• Understanding of high availability, disaster recovery, database resilience, database security, access controls, and auditing.
• Experience with scripting languages such as Bash, Python, or similar.
• Basic Linux or Unix administration knowledge and familiarity with infrastructure, storage, and networking fundamentals.
• Preferred: experience with Oracle Exadata, Oracle Multitenant, OCI, AWS, GCP, Terraform, Ansible, or database migration and modernization initiatives.

Professional Skills

• Builds reliable systems and thinks ahead about what can go wrong, making sure things keep working and improve over time.
• Takes ownership of work from start to finish and works closely with others to get the right outcome for the user.
• Keeps things simple, focuses on what matters, and removes unnecessary steps or complexity.
• Acts quickly on the most important work, adapts when needed, and learns from feedback.
• Supports others, leads by example, and helps create an environment where people can do their best work.
• Learns fast, adjusts easily to change, and keeps improving in a fast-moving environment.
• Delivers strong results and helps raise the level of the whole team.
• Contributes to a positive team culture by being open, respectful, and constructive, and by not tolerating toxic behavior.

Why you will like us:

• Possibility to benefit and learn from our international, talented and passionate community at Erste
• Interest groups and clubs: Take part in discussions and get involved in projects. Numerous interest groups invite you to engage with a topic
• Health Care – Taking care of your health is important. That’s why we contribute to your above standard medical examination and provide a helpline in case of hard lifetime situations. You also receive a salary compensation during sick leave
• Work-Life-Balance – Sabbatical, paternity leave, contribution to marriage & childbirth, 4 days of extra holiday per year, contribution to the 3rd pillar and MultiSport card. This is how we promote a balance between work, leisure, and family
• Employee Referral Program – Become a talent scout for career opportunities in IT. We are rewarding every successful referral for Erste Digital
• A competitive and performance-related salary dependent on your professional and personal qualifications is granted - we are obliged by law to quote the minimum wage of EUR 2.700,- gross per month for this full time position. But this is just a formality, we are more than happy to discuss your actual expectations.

The way we are:

Erste Group considers the diversity of its employees as key to innovation and success. As employer we are proud to offer everyone equal chances, irrespective of age, skin colour, religious belief, gender, sexual orientation or origin.

We help the world run better
At SAP, we keep it simple: you bring your best to us, and we'll bring out the best in you. We're builders touching over 20 industries and 80% of global commerce, and we need your unique talents to help shape what's next. The work is challenging – but it matters. You'll find a place where you can be yourself, prioritize your wellbeing, and truly belong. What's in it for you? Constant learning, skill growth, great benefits, and a team that wants you to grow and succeed.

What You'll Build
Build Europe's sovereign cloud infrastructure through open source at SAP, with a focus on network automation. You'll contribute to the ApeiroRA Reference Architecture within the EU's IPCEI-CIS initiative, developing Kubernetes operators and controllers that automate network provisioning and orchestration across European cloud providers.

Your work involves building systems that bridge cloud-native platforms with physical and virtual network infrastructure. You'll automate network configuration, lifecycle management, and integration across multiple environments using technologies like Kubernetes operators, Go, and modern network APIs—solving problems that eliminate vendor lock-in and enable seamless workload portability.

Working within the Linux Foundation's NeoNephos ecosystem, you'll collaborate with engineers from major European tech companies and contribute to widely-adopted open source projects. At SAP, you'll grow your expertise in cloud-native technologies and network automation while building infrastructure that ensures European organizations control their digital destiny.

What You Bring

• Programming Foundation: Strong experience with Go, Python, or similar languages, with eagerness to work in cloud-native environments and automation
• Cloud & Infrastructure Basics: Familiarity with Kubernetes, Docker, and at least one major cloud platform (AWS, Azure, GCP), along with infrastructure automation concepts
• Technical Curiosity: Interest in networking (protocols, configuration management, APIs) or experience with network devices, with willingness to deepen expertise
• Development Practices: Understanding of Git workflows, CI/CD pipelines, and modern development principles
• Growth Mindset: 5+ years of software development or infrastructure automation experience with demonstrated learning agility
• Problem-Solving Approach: Self-driven ability to break down complex technical challenges, debug issues independently, and drive solutions to completion
• Collaboration Skills: Excellent communication abilities and experience working in agile development teams
• Open Source Interest: Enthusiasm for contributing to open source projects and learning from the broader developer community

Where You Belong
You'll join PlusOne Central Engineering, where innovation meets collaboration. Our culture values engineering excellence, continuous learning, and diverse perspectives. We embrace modern practices, support career growth, and maintain work-life balance while building enterprise-scale solutions that drive digital transformation.

Salary starting from 2,113 EUR/month.

Bring out your best
SAP innovations help more than four hundred thousand customers worldwide work together more efficiently and use business insight more effectively. Originally known for leadership in enterprise resource planning (ERP) software, SAP has evolved to become a market leader in end-to-end business application software and related services for database, analytics, intelligent technologies, and experience management. As a cloud company with two hundred million users and more than one hundred thousand employees worldwide, we are purpose-driven and future-focused, with a highly collaborative team ethic and commitment to personal development. Whether connecting global industries, people, or platforms, we help ensure every challenge gets the solution it deserves. At SAP, you can bring out your best.

We win with inclusion
SAP’s culture of inclusion, focus on health and well-being, and flexible working models help ensure that everyone – regardless of background – feels included and can run at their best. At SAP, we believe we are made stronger by the unique capabilities and qualities that each person brings to our company, and we invest in our employees to inspire confidence and help everyone realize their full potential. We ultimately believe in unleashing all talent and creating a better world.

SAP is committed to the values of Equal Employment Opportunity and provides accessibility accommodations to applicants with physical and/or mental disabilities. If you are interested in applying for employment with SAP and are in need of accommodation or special assistance to navigate our website or to complete your application, please send an e-mail with your request to Recruiting Operations Team: Careers@sap.com.

For SAP employees: Only permanent roles are eligible for the SAP Employee Referral Program, according to the eligibility rules set in the SAP Referral Policy. Specific conditions may apply for roles in Vocational Training.

Qualified applicants will receive consideration for employment without regard to their age, race, religion, national origin, ethnicity, gender (including pregnancy, childbirth, et al), sexual orientation, gender identity or expression, protected veteran status, or disability, in compliance with applicable federal, state, and local legal requirements.

Successful candidates might be required to undergo a background verification with an external vendor.

AI Usage in the Recruitment Process
For information on the responsible use of AI in our recruitment process, please refer to our Guidelines for Ethical Usage of AI in the Recruiting Process.

Please note that any violation of these guidelines may result in disqualification from the hiring process.

Requisition ID: 435778 | Work Area: Software-Design and Development | Expected Travel: 0 - 10% | Career Status: Professional | Employment Type: Regular Full Time | Additional Locations:

About Legend
At Legend, we're building next-level player experiences. With 20+ years of proven success we’re the world's leading Sports and Gaming marketing company.

Our people are our edge. 600+ sharp, ambitious Legends across 22+ countries who move fast, learn quickly and win together. Here growth isn’t a perk, it’s the standard. You’ll stretch, level-up and carve out a career as bold as the products we build. We celebrate wins and create experiences that people talk about for years - for our players & for each other. If you’re ready to shape the future of player experience and enjoy the ride while you do it, this is where you’ll thrive.

The Role
Legend is hiring a Senior Software Engineer to join our Fast Response team, helping ensure our products remain reliable, stable and responsive for millions of customers. You'll play a critical role in resolving complex production issues, improving engineering processes and helping teams deliver high-quality customer experiences with confidence.

Your Impact

• Own the rapid diagnosis and resolution of production issues across our Gaming products, helping deliver a reliable experience for millions of customers.
• Investigate, prioritise and resolve complex bugs, reducing customer impact while improving platform stability and performance.
• Build and improve triage processes that enable the team to respond to incidents quickly, consistently and effectively.
• Work across multiple engineering teams to identify root causes, implement permanent fixes and prevent recurring issues.
• Lead by example through hands-on engineering, sharing knowledge and mentoring teammates to continually improve the team's technical capability.

What You'll Bring

• Experience developing and supporting large-scale, customer-facing web applications.
• Strong PHP development experience alongside modern JavaScript frameworks such as React.
• Experience diagnosing and resolving production issues, debugging complex systems and working across multiple services.
• A structured approach to incident management, root cause analysis and continuous improvement.
• Ability to balance speed with quality, making sound technical decisions in fast-paced, high-impact environments.
• Experience working with legacy systems and navigating technical complexity while maintaining platform stability.
• Strong communication and collaboration skills, with confidence working across engineering teams to solve challenging problems.

Bonus Points For

• Experience in an operational engineering, platform support or fast-response engineering team.
• Knowledge of monitoring, observability and incident management tooling.
• Experience with AWS or cloud-native infrastructure.

The Interview Process

• 1st: Initial Chat with Talent Partner (30-45 mins via Zoom)
• 2nd: Technical take home task
• 3rd: Technical Interview with Hiring Manager and Senior Engineering
• 4th: Leadership Interview with the team including our CTO (45 mins in our Bratislava office)

Why Legend?

• Starting salary from 3000 EUR per month.
• Super smart colleagues to work alongside and learn from, with company-wide team-building events twice a year, including great entertainment, catering, and accommodation in a beautiful hotel.
• Engaging development opportunities at all levels.
• Tailored flexibility for your work-life balance.
• Free on-site parking
• Exciting global Legend events, where we unite in person to ignite our shared passion and unveil the exciting strategies for the year ahead!
• Unlock your full potential by joining the Legend team. To support you on this journey, we provide an extensive array of benefits and perks, as outlined in our global offerings above. For country specific benefits please reach out to your talent partner

Legend is an Equal Opportunity Employer, but that’s just the start. We believe different perspectives help us grow and achieve more. That’s why we’re dedicated to hiring and developing the most talented and diverse team- which includes individuals with different backgrounds, abilities, identities and experiences. If you require any reasonable adjustments throughout your application process, please speak to your Talent Partner or contact the team on  [email protected] , and we'll do all we can to support you.