DevOps Engineer

AT&T
Full_timeSlovakia

📍 Job Overview

  • Job Title: DevOps Engineer
  • Company: AT&T
  • Location: Bratislava, Slovakia (Hybrid)
  • Job Type: Full-Time
  • Category: DevOps Engineer
  • Date Posted: July 2, 2025
  • Experience Level: Mid-Senior Level (2-5 years)
  • Remote Status: Hybrid (3 days in the office per week)

🚀 Role Summary

  • Key Responsibilities: Collaborate with development teams to understand requirements and propose infrastructure architecture. Design and automate infrastructure deployment through IaC. Ensure secure and efficient deployment of applications and infrastructure in Azure cloud. Implement and maintain security tools, processes, and best practices. Monitor and analyze security logs, alerts, and reports. Participate in incident response and post-mortem analysis.

  • Key Technologies: Azure ecosystem, Infrastructure as Code (IaC), Docker, Kubernetes, CI/CD, Git, Terraform, GitHub, Azure DevOps, AppService, AKS, AKV, Private Networking, Linux/UNIX system administration.

📝 Enhancement Note: This role requires a strong background in software development and operations, with a focus on cloud architecture principles and security best practices. The ideal candidate will have experience working in an Agile/Scrum development process and be comfortable collaborating with cross-functional teams.

💻 Primary Responsibilities

  • Infrastructure Architecture: Cooperate with the development team to understand requirements and propose infrastructure architecture that meets business needs and aligns with Azure best practices.

  • Infrastructure Deployment: Design and automate infrastructure deployment using IaC tools such as Terraform or Azure Resource Manager (ARM) templates. Ensure that deployments are consistent, version-controlled, and follow best practices for security and performance.

  • Security Management: Implement and maintain security tools, processes, and best practices to ensure the confidentiality, integrity, and availability of applications and infrastructure. Stay up-to-date with changes to security policies, procedures, and guidelines, and provide guidance and training to team members on secure coding practices, threat modeling, and risk management.

  • Monitoring and Incident Response: Monitor and analyze security logs, alerts, and reports to identify and respond to potential security incidents. Participate in incident response and post-mortem analysis to identify root causes and implement corrective actions.

  • Collaboration and Communication: Work effectively with cross-functional teams and stakeholders to understand requirements, propose solutions, and ensure that projects are delivered on time and within budget. Communicate complex technical concepts clearly and concisely to both technical and non-technical team members.

📝 Enhancement Note: This role requires strong problem-solving and analytical skills, as well as excellent communication and collaboration skills. The ideal candidate will be able to work effectively in a dynamic and fast-paced environment, and be comfortable with ambiguity and changing priorities.

🎓 Skills & Qualifications

Education: Bachelor's degree in Computer Science, or a related field of study.

Experience: 2-5 years of experience in a similar role, with a strong background in software development and operations. Experience working in an Agile/Scrum development process is preferred.

Required Skills:

  • In-depth knowledge of cloud architecture principles, technologies, and best practices.
  • Experience implementing and managing monitoring, alerting tools, and vulnerability scanners.
  • Experience with Azure and its related services (AppService, AKS, AKV, Private Networking).
  • Experience with application containerization (Docker) and orchestration (Kubernetes, GitOps).
  • Experience with implementing CI/CD for applications and infrastructure (Azure DevOps, Git, Terraform, GitHub).
  • Strong problem-solving and analytical skills.
  • Excellent communication and collaboration skills, with the ability to work effectively with cross-functional teams and stakeholders.
  • Experience working in an Agile/Scrum development process.

Preferred Skills:

  • Knowledge of networking technologies, security protocols, and best practices.
  • Strong knowledge of Linux/UNIX system administration, including configuration, optimization, and security.

📝 Enhancement Note: This role requires a strong technical skill set, with a focus on cloud architecture, security, and DevOps best practices. The ideal candidate will have experience working with Azure and its related services, as well as a solid understanding of containerization and orchestration technologies.

📊 Web Portfolio & Project Requirements

Portfolio Essentials:

  • Azure Projects: Include projects that demonstrate your experience with Azure and its related services. Showcase your ability to design and deploy secure and efficient infrastructure using IaC tools.
  • Security Projects: Highlight projects that demonstrate your experience with security tools, processes, and best practices. Include examples of threat modeling, risk management, and incident response.
  • Collaboration Projects: Showcase projects that demonstrate your ability to work effectively with cross-functional teams and stakeholders. Include examples of Agile/Scrum development processes and collaboration tools.

Technical Documentation:

  • Code Quality: Demonstrate your commitment to code quality by including examples of well-documented, version-controlled, and tested code.
  • Deployment Processes: Include detailed documentation of your deployment processes, including version control, CI/CD pipelines, and server configuration.
  • Testing Methodologies: Showcase your experience with testing methodologies, performance metrics, and optimization techniques. Include examples of unit tests, integration tests, and end-to-end tests.

📝 Enhancement Note: This role requires a strong portfolio that demonstrates your experience with Azure, security, and DevOps best practices. Include projects that showcase your ability to design and deploy secure and efficient infrastructure, as well as your experience with collaboration and communication.

💵 Compensation & Benefits

Salary Range: The starting salary for this role is 3,130 EUR gross monthly in Slovakia and 91,000 CZK gross monthly in the Czech Republic. The actual offered salary may be considerably higher based on your skills, knowledge, and experience.

Benefits:

  • Wellness & Leisure Time Contribution
  • Sickness Compensation Plan
  • Premium Medical Services
  • Family Friendly Benefits
  • Meal Contribution
  • Extra Days Off

Working Hours: EMEA, approximately 9:00 AM - 5:30 PM (with some flexibility).

📝 Enhancement Note: The salary range for this role is competitive and may be higher based on your skills, knowledge, and experience. The benefits package is comprehensive and includes wellness, medical, and family-friendly benefits.

🎯 Team & Company Context

🏢 Company Culture

Industry: AT&T operates in the telecommunications industry, providing a wide range of communication and technology services to consumers, businesses, and government entities worldwide. This role will be focused on the company's cloud infrastructure and security teams, which are responsible for designing, deploying, and managing secure and efficient infrastructure in Azure.

Company Size: AT&T is a large multinational corporation with over 240,000 employees worldwide. This role will be part of a global team of cloud and security professionals, working together to ensure the security and performance of AT&T's infrastructure.

Founded: AT&T was founded in 1875 and has a long history of innovation and leadership in the telecommunications industry. The company has a strong commitment to diversity, inclusion, and sustainability.

Team Structure:

  • Cloud Infrastructure Team: This team is responsible for designing, deploying, and managing secure and efficient infrastructure in Azure. The team consists of cloud architects, DevOps engineers, and cloud administrators.
  • Security Team: This team is responsible for ensuring the security of AT&T's infrastructure and data. The team consists of security architects, security engineers, and security analysts.
  • Cross-Functional Collaboration: The cloud infrastructure and security teams work closely together to ensure that AT&T's infrastructure is secure, efficient, and aligned with business needs.

Development Methodology:

  • Agile/Scrum: The cloud infrastructure and security teams use Agile/Scrum development processes to ensure that projects are delivered on time and within budget.
  • Infrastructure as Code (IaC): The teams use IaC tools such as Terraform and Azure Resource Manager (ARM) templates to ensure that infrastructure deployments are consistent, version-controlled, and follow best practices for security and performance.
  • Continuous Integration/Continuous Deployment (CI/CD): The teams use CI/CD pipelines to automate the deployment of applications and infrastructure. The pipelines include automated testing, deployment, and monitoring.

Company Website: https://www.att.com/

📝 Enhancement Note: AT&T is a large multinational corporation with a strong commitment to diversity, inclusion, and sustainability. The cloud infrastructure and security teams work closely together to ensure that AT&T's infrastructure is secure, efficient, and aligned with business needs.

📈 Career & Growth Analysis

Web Technology Career Level: This role is at the mid-senior level, requiring a strong background in software development and operations, with a focus on cloud architecture, security, and DevOps best practices. The ideal candidate will have experience working in an Agile/Scrum development process and be comfortable collaborating with cross-functional teams.

Reporting Structure: This role will report directly to the Cloud Infrastructure Manager or the Security Manager, depending on the specific team and location. The role will work closely with other cloud and security team members, as well as with development and business teams to ensure that projects are delivered on time and within budget.

Technical Impact: This role will have a significant impact on the security and performance of AT&T's infrastructure. The ideal candidate will be able to design and deploy secure and efficient infrastructure, as well as to monitor and analyze security logs, alerts, and reports to identify and respond to potential security incidents.

Growth Opportunities:

  • Technical Growth: The ideal candidate will have the opportunity to grow their technical skills and expertise in cloud architecture, security, and DevOps best practices. They will have the opportunity to work on cutting-edge projects and to learn from experienced team members.
  • Leadership Growth: The ideal candidate will have the opportunity to develop their leadership skills and to take on more responsibility within the team. They may have the opportunity to mentor junior team members or to take on a leadership role within the team or the organization.
  • Career Progression: The ideal candidate will have the opportunity to progress their career within AT&T, with opportunities to take on more senior roles within the cloud infrastructure or security teams, or to move into a different area of the business.

📝 Enhancement Note: This role offers significant opportunities for technical and leadership growth, as well as career progression within AT&T. The ideal candidate will be able to take on new challenges and to grow their skills and expertise in cloud architecture, security, and DevOps best practices.

🌐 Work Environment

Office Type: AT&T's offices are modern and collaborative, with open-plan workspaces and dedicated meeting rooms. The offices are equipped with state-of-the-art technology and tools to support the work of the cloud infrastructure and security teams.

Office Location(s): This role is based in Bratislava, Slovakia, with the option to work remotely up to 2 days per week. The office is located in the Einsteinova 24 building, which is easily accessible by public transportation.

Workspace Context:

  • Collaboration: The office is designed to support collaboration and communication, with open-plan workspaces and dedicated meeting rooms. The teams use collaboration tools such as Microsoft Teams and Slack to communicate and share information.
  • Technology: The office is equipped with state-of-the-art technology and tools to support the work of the cloud infrastructure and security teams. The teams use tools such as Azure DevOps, Git, Terraform, and Azure Portal to design, deploy, and manage infrastructure in Azure.
  • Work-Life Balance: AT&T is committed to supporting work-life balance and offers flexible working arrangements to support the needs of its employees.

Work Schedule: The standard work schedule is EMEA, approximately 9:00 AM - 5:30 PM (with some flexibility). The ideal candidate will be able to work independently and manage their time effectively to meet project deadlines and maintain work-life balance.

📝 Enhancement Note: AT&T's offices are modern and collaborative, with state-of-the-art technology and tools to support the work of the cloud infrastructure and security teams. The ideal candidate will be able to work effectively in a dynamic and fast-paced environment, and be comfortable with ambiguity and changing priorities.

📄 Application & Technical Interview Process

Interview Process:

  • Phone Screen: A brief phone screen to assess technical skills and cultural fit.
  • Technical Assessment: A technical assessment to evaluate knowledge of Azure, cloud architecture, security, and DevOps best practices. The assessment may include a combination of multiple-choice questions, scenario-based questions, and hands-on exercises.
  • On-Site Interview: An on-site interview to assess technical skills, cultural fit, and leadership potential. The interview may include a presentation of a portfolio project, a technical deep-dive, and a discussion of career goals and aspirations.
  • Final Decision: A final decision based on the results of the interview process and a review of the candidate's portfolio and references.

Portfolio Review Tips:

  • Azure Projects: Include projects that demonstrate your experience with Azure and its related services. Showcase your ability to design and deploy secure and efficient infrastructure using IaC tools.
  • Security Projects: Highlight projects that demonstrate your experience with security tools, processes, and best practices. Include examples of threat modeling, risk management, and incident response.
  • Collaboration Projects: Showcase projects that demonstrate your ability to work effectively with cross-functional teams and stakeholders. Include examples of Agile/Scrum development processes and collaboration tools.
  • Code Quality: Demonstrate your commitment to code quality by including examples of well-documented, version-controlled, and tested code.
  • Deployment Processes: Include detailed documentation of your deployment processes, including version control, CI/CD pipelines, and server configuration.
  • Testing Methodologies: Showcase your experience with testing methodologies, performance metrics, and optimization techniques. Include examples of unit tests, integration tests, and end-to-end tests.

Technical Challenge Preparation:

  • Azure Fundamentals: Brush up on your knowledge of Azure and its related services. Familiarize yourself with Azure's security best practices and the Azure Well-Architected Framework.
  • Cloud Architecture: Review cloud architecture principles, patterns, and best practices. Familiarize yourself with the Azure Architecture Center and the Azure Reference Architecture Center.
  • Security Fundamentals: Brush up on your knowledge of security principles, protocols, and best practices. Familiarize yourself with the Azure Security Center and the Azure Security Benchmark.
  • DevOps Best Practices: Review DevOps best practices, including IaC, CI/CD, and infrastructure as code. Familiarize yourself with the DevOps Handbook and the DORA State of DevOps Report.

ATS Keywords: [Azure, Cloud Architecture, Security, DevOps, IaC, CI/CD, Docker, Kubernetes, GitOps, Monitoring, Alerting, Vulnerability Scanners, Agile, Scrum, Problem-Solving, Communication, Collaboration, Networking, Linux/UNIX, System Administration, Infrastructure as Code, Infrastructure Deployment, Security Tools, Security Processes, Security Best Practices, Incident Response, Threat Modeling, Risk Management, Portfolio, Azure DevOps, Git, Terraform, Azure Resource Manager, Azure AppService, Azure AKS, Azure AKV, Azure Private Networking, Azure Security Center, Azure Security Benchmark, DevOps Handbook, DORA State of DevOps Report]

📝 Enhancement Note: The interview process for this role is comprehensive and designed to assess technical skills, cultural fit, and leadership potential. The ideal candidate will be able to demonstrate their experience with Azure, cloud architecture, security, and DevOps best practices, as well as their ability to work effectively in a dynamic and fast-paced environment.

🛠 Technology Stack & Web Infrastructure

Frontend Technologies: Not applicable for this role.

Backend & Server Technologies:

  • Azure: The primary cloud platform for this role, with a focus on Azure ecosystem, Infrastructure as Code (IaC), and Azure-related services (AppService, AKS, AKV, Private Networking).
  • Docker: Used for application containerization and deployment.
  • Kubernetes: Used for application orchestration and deployment.
  • Git: Used for version control and collaboration.
  • Terraform: Used for Infrastructure as Code (IaC) and automated infrastructure deployment.
  • Azure DevOps: Used for CI/CD pipelines, automated testing, deployment, and monitoring.
  • Azure Portal: Used for infrastructure management and monitoring.

Development & DevOps Tools:

  • Azure DevOps: Used for CI/CD pipelines, automated testing, deployment, and monitoring.
  • Git: Used for version control and collaboration.
  • Terraform: Used for Infrastructure as Code (IaC) and automated infrastructure deployment.
  • Azure Monitor: Used for infrastructure and application monitoring.
  • Azure Sentinel: Used for security incident and event management.

📝 Enhancement Note: This role requires a strong background in Azure, cloud architecture, security, and DevOps best practices. The ideal candidate will have experience with Azure and its related services, as well as with containerization, orchestration, and CI/CD tools.

👥 Team Culture & Values

Web Development Values:

  • Security-First: AT&T is committed to ensuring the security of its infrastructure and data. The ideal candidate will be passionate about implementing and maintaining security tools, processes, and best practices.
  • Customer-Centric: AT&T is committed to delivering exceptional customer experiences. The ideal candidate will be focused on understanding customer needs and designing infrastructure that meets those needs.
  • Innovation: AT&T is committed to driving innovation and leadership in the telecommunications industry. The ideal candidate will be passionate about exploring new technologies and approaches to infrastructure design and deployment.
  • Collaboration: AT&T is committed to fostering a culture of collaboration and teamwork. The ideal candidate will be comfortable working with cross-functional teams and stakeholders to understand requirements and deliver projects on time and within budget.

Collaboration Style:

  • Cross-Functional Integration: The cloud infrastructure and security teams work closely with development and business teams to ensure that projects are delivered on time and within budget. The ideal candidate will be comfortable working with cross-functional teams and stakeholders to understand requirements and deliver projects on time and within budget.
  • Code Review Culture: The teams use code review processes to ensure that code is well-documented, version-controlled, and tested. The ideal candidate will be comfortable with code review processes and committed to maintaining high standards of code quality.
  • Peer Programming: The teams use peer programming processes to ensure that team members are able to learn from each other and to share knowledge and expertise. The ideal candidate will be comfortable with peer programming processes and committed to continuous learning and development.

📝 Enhancement Note: AT&T is committed to fostering a culture of security, customer-centricity, innovation, and collaboration. The ideal candidate will be passionate about implementing and maintaining security tools, processes, and best practices, as well as working effectively with cross-functional teams and stakeholders to understand requirements and deliver projects on time and within budget.

⚡ Challenges & Growth Opportunities

Technical Challenges:

  • Azure Security: Stay up-to-date with changes to Azure's security best practices and the Azure Security Center. Implement and maintain security tools, processes, and best practices to ensure the confidentiality, integrity, and availability of applications and infrastructure.
  • Cloud Architecture: Design and deploy secure and efficient infrastructure in Azure using IaC tools such as Terraform or Azure Resource Manager (ARM) templates. Ensure that deployments are consistent, version-controlled, and follow best practices for security and performance.
  • Incident Response: Monitor and analyze security logs, alerts, and reports to identify and respond to potential security incidents. Participate in incident response and post-mortem analysis to identify root causes and implement corrective actions.
  • Agile/Scrum: Work effectively in an Agile/Scrum development process, collaborating with cross-functional teams and stakeholders to understand requirements and deliver projects on time and within budget.

Learning & Development Opportunities:

  • Technical Training: AT&T offers technical training and development opportunities to help team members grow their skills and expertise. The ideal candidate will be committed to continuous learning and development.
  • Conferences and Events: AT&T encourages team members to attend industry conferences and events to stay up-to-date with the latest trends and best practices in cloud architecture, security, and DevOps. The ideal candidate will be proactive in seeking out learning opportunities and in sharing knowledge and expertise with the team.
  • Mentorship and Leadership Development: AT&T offers mentorship and leadership development opportunities to help team members grow their skills and expertise. The ideal candidate will be committed to developing their leadership skills and to taking on more responsibility within the team or the organization.

📝 Enhancement Note: This role offers significant opportunities for technical and leadership growth, as well as career progression within AT&T. The ideal candidate will be able to take on new challenges and to grow their skills and expertise in cloud architecture, security, and DevOps best practices.

💡 Interview Preparation

Technical Questions:

  • Azure Fundamentals: What are the key components of the Azure ecosystem? How do you ensure the security of Azure resources?
  • Cloud Architecture: What are the key principles of cloud architecture? How do you design and deploy secure and efficient infrastructure in Azure using IaC tools?
  • Security Fundamentals: What are the key principles of security? How do you implement and maintain security tools, processes, and best practices in Azure?
  • Agile/Scrum: What are the key principles of Agile/Scrum development processes? How do you work effectively with cross-functional teams and stakeholders to understand requirements and deliver projects on time and within budget?

Company & Culture Questions:

  • AT&T Culture: What do you understand about AT&T's culture and values? How do you align with these values?
  • Team Dynamics: How do you work effectively in a team environment? How do you handle conflicts or disagreements within the team?
  • Customer Focus: How do you ensure that your work aligns with customer needs and expectations? How do you gather and incorporate customer feedback into your work?

Portfolio Presentation Strategy:

  • Azure Projects: Highlight projects that demonstrate your experience with Azure and its related services. Showcase your ability to design and deploy secure and efficient infrastructure using IaC tools.
  • Security Projects: Highlight projects that demonstrate your experience with security tools, processes, and best practices. Include examples of threat modeling, risk management, and incident response.
  • Collaboration Projects: Showcase projects that demonstrate your ability to work effectively with cross-functional teams and stakeholders. Include examples of Agile/Scrum development processes and collaboration tools.
  • Code Quality: Demonstrate your commitment to code quality by including examples of well-documented, version-controlled, and tested code.
  • Deployment Processes: Include detailed documentation of your deployment processes, including version control, CI/CD pipelines, and server configuration.
  • Testing Methodologies: Showcase your experience with testing methodologies, performance metrics, and optimization techniques. Include examples of unit tests, integration tests, and end-to-end tests.

📝 Enhancement Note: The interview process for this role is comprehensive and designed to assess technical skills, cultural fit, and leadership potential. The ideal candidate will be able to demonstrate their experience with Azure, cloud architecture, security, and DevOps best practices, as well as their ability to work effectively in a dynamic and fast-paced environment.

📌 Application Steps

To apply for this DevOps Engineer position at AT&T:

  1. Customize Your Portfolio: Tailor your portfolio to showcase your experience with Azure, cloud architecture, security, and DevOps best practices. Include projects that demonstrate your ability to design and deploy secure and efficient infrastructure using IaC tools, as well as your experience with security tools, processes, and best practices.
  2. Optimize Your Resume: Highlight your experience with Azure, cloud architecture, security, and DevOps best practices. Include specific examples of your experience with Azure and its related services, as well as with containerization, orchestration, and CI/CD tools.
  3. Prepare for Technical Interviews: Brush up on your knowledge of Azure, cloud architecture, security, and DevOps best practices. Familiarize yourself with the Azure Security Center, the Azure Security Benchmark, the Azure Architecture Center, and the Azure Reference Architecture Center. Prepare for technical interviews by practicing scenario-based questions and hands-on exercises.
  4. Research AT&T: Learn about AT&T's culture, values, and business. Understand the company's commitment to diversity, inclusion, and sustainability. Prepare for company-specific questions by researching AT&T's industry, competitors, and recent news.

⚠️ Important Notice: This enhanced job description includes AI-generated insights and web development/server administration industry-standard assumptions. All details should be verified directly with the hiring organization before making application decisions.

Application Requirements

Candidates should have hands-on experience with the Azure ecosystem and a strong background in software development and operations. They must also possess in-depth knowledge of cloud architecture principles and experience with CI/CD processes.