Linux & kubernetes platform administrator

Your potential has a place here with TTEC’s award-winning employment experience. As a Linux & Kubernetes Platform Administrator working hybrid (2 days per week on-site) in Sofia, Bulgaria, you’ll be a part of bringing humanity to business. #experienceTTEC

What You’ll be Doing

Do you enjoy building and running resilient Linux and Kubernetes platforms and automating everything you can? Are you analytical, hands-on and energized by solving complex infrastructure problems? In this role, you’ll join our team in Sofia providing technical expertise in the design, administration, automation, optimization and support of enterprise Linux-based infrastructure and container platforms for a leading technology client. You’ll keep infrastructure highly available and secure, drive automation with Terraform and Ansible, support business-critical applications and take part in modernization projects across hybrid and cloud environments.

During a Typical Day, You’ll

• Administer and support enterprise Linux environments (Red Hat Enterprise Linux, Rocky Linux, Ubuntu, SUSE), including upgrades, patching, lifecycle management and capacity planning
• Design, deploy, maintain and troubleshoot Kubernetes clusters, managing namespaces, deployments, stateful sets, services, ingress, persistent storage, containerized workloads and container registries
• Implement high-availability and disaster recovery solutions, and support CI/CD integration with Kubernetes platforms
• Apply Kubernetes security best practices and RBAC policies, and monitor and optimize system availability, performance and security
• Develop and maintain Infrastructure as Code with Terraform, and create and manage automated provisioning workflows
• Design and maintain Ansible playbooks, roles and automation frameworks to automate infrastructure deployment, configuration management and compliance, and contribute to standardization and infrastructure self-service initiatives
• Support enterprise networking and container networking (CNI, ingress controllers, service mesh), troubleshooting TCP/IP, DNS, DHCP, VLANs, routing, load balancing and firewall-related issues
• Respond to infrastructure and security incidents, lead resolution of complex technical incidents and provide technical leadership during critical incidents and escalations
• Perform root cause analysis and implement preventive actions within ITIL-based Incident, Problem and Change Management processes
• Create and maintain operational documentation, procedures and knowledge articles, mentor junior team members, and take part in architecture reviews and technology evaluations

What You Bring to the Role

• Bachelor’s or Master’s degree in Computer Science, Information Technology or a related field, or equivalent experience
• Minimum 5 years of experience in Linux system administration
• Minimum 3 years of experience managing Kubernetes environments in production, and strong knowledge of enterprise container platforms
• Experience with Infrastructure as Code using Terraform, and with Ansible automation and configuration management
• Strong understanding of networking fundamentals and Linux networking
• Experience troubleshooting complex infrastructure environments, with excellent analytical and problem-solving skills
• Strong communication skills in English, written and spoken
• Hands-on skills are an advantage in: Docker/containers, Terragrunt, Helm, Argo CD, Git, shell scripting and VMware
• Relevant certifications are a plus, such as CKA, CKS, RHCE, VMware VCP, HashiCorp Terraform Associate, Microsoft Azure Administrator or AWS Solutions Architect Associate
• Willingness to take part in standby coverage a few days per month, being available to pick up your phone on designated days between 8:00 PM and 8:00 AM

What You Can Expect

Supportive of your career and professional development. An inclusive culture and community minded organization where giving back is encouraged. A global team of curious lifelong learners guided by our company values. Ask us about our paid time off (PTO) and wellness and healthcare benefits. And yes... a great compensation package and performance bonus opportunities, benefits you’d expect and maybe a few that would pleasantly surprise you (like tuition reimbursement). Visit https://mybenefits.ttec.com/ for more information.

The anticipated salary range for this role is 2,400–2,600 EUR gross per month, depending on experience and skills.

A Bit More About Your Role

You’ll work closely with TTEC colleagues and with our client’s architects, engineering teams and application teams, so you’ll see first-hand how your work keeps business-critical applications running on modern hybrid and cloud platforms. We value curiosity and a love of learning: if you’re keen to keep growing with Kubernetes, automation and infrastructure modernization, we want to hear from you. You’ll also have a chance to make great new connections within the TTEC community and grow your career in a dynamic, family-friendly atmosphere.

Working hours and standby: standard working hours are Monday to Friday, 9:00 AM–6:00 PM, in a hybrid model with 2 days per week on-site in Sofia. In addition, you’ll take part in standby coverage for a few days per month, being available to pick up your phone on designated days between 8:00 PM and 8:00 AM. The time you actually work during standby is treated as overtime and paid at the applicable increased rate, and the standby time itself is compensated in accordance with Bulgarian legislation.

You’ll contribute to the success of the customer experience and the overall success of the team.

About TTEC

TTEC is a global consulting, technology, and managed services company that helps brands deliver smarter, more human customer experiences through data, AI, and technology. Our work connects people and brands every day—and it starts with the talent behind the experience.

TTEC is proud to be an equal opportunity employer where all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or status as a protected veteran. TTEC embraces and is committed to building a diverse and inclusive workforce that respects and empowers the cultures and perspectives within our global teams.

We aim to reflect the communities we serve, by not only delivering amazing service and technology, but also humanity. We make it a point to make sure all our employees feel valued, belonging, and comfortable being their authentic selves at work. As a global company, we know diversity is our strength because it enables us to view things from different vantage points and for you to bring value to the table in your own unique way.