Windows System Administrator

Your potential has a place here with TTEC’s award-winning employment experience. As a Windows System 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 solving complex infrastructure problems and keeping business-critical systems running? Are you analytical, hands-on and energized by helping customers? In this role, you’ll join our team in Sofia supporting enterprise Windows Server, virtualization (including Nutanix) and hybrid-cloud environments for a leading technology client, acting as a critical escalation point for Level 1 support. You’ll apply your subject matter knowledge to mitigate live infrastructure issues as they occur, use independent judgment to implement robust solutions, and take the lead on daily operations and advanced configurations.

During a Typical Day, You’ll

• Serve as the primary escalation point for complex Windows Server, Nutanix and virtualization-related incidents, providing expert technical support to customers and Level 1 engineers
• Troubleshoot and resolve issues across Windows Server, Active Directory, DNS, DHCP, Group Policy, file services, clustering, Nutanix infrastructure and virtualization platforms
• Investigate performance, availability and stability issues affecting virtual machines, hypervisors and supporting infrastructure
• Take ownership of critical incidents from identification through resolution, lead technical troubleshooting during major incidents, and contribute to root cause analysis and preventive action planning, ensuring minimal customer impact and timely communication
• Support Nutanix administration and operations, including AHV virtualization, Prism Central, Prism Element, high availability, disaster recovery, lifecycle management, Nutanix Flow Services and Nutanix File and Object Services
• Support and troubleshoot enterprise server infrastructure, including compute, memory, storage, RAID controllers, network adapters and firmware, diagnosing hardware, performance and availability issues using system diagnostics, health monitoring tools, event logs and firmware analysis
• Manage and support HPE server platforms and coordinate with engineering, field service and vendor teams on hardware repairs, firmware upgrades, maintenance activities and infrastructure improvements, providing expertise across the physical infrastructure stack
• Partner with customers, architects, engineering teams and project stakeholders to proactively identify risks, improve reliability and operational efficiency, and take part in infrastructure projects, migrations, upgrades and platform modernization initiatives
• Drive continuous improvement by documenting solutions, creating knowledge articles, sharing best practices and automating processes with
• PowerShell and other administration tools
• Mentor junior engineers and provide technical guidance to help grow team expertise
• Work within ITIL-based service management processes (Incident, Problem, Change and Knowledge Management) and build trusted customer relationships through clear communication and a strong focus on service excellence

What You Bring to the Role

• 3+ years of experience supporting enterprise Windows Server environments
• Hands-on experience administering and troubleshooting Microsoft technologies, including Windows Server, Active Directory, DNS and DHCP,
• Group Policy, File and Print Services and Microsoft Failover Clustering
• Experience with one or more virtualization platforms: VMware vSphere, Microsoft Hyper-V or Azure VMware Solution (Nutanix is nice to have)
• Strong understanding of virtualization concepts, including virtual machine lifecycle management, storage, networking, high availability and disaster recovery
• Familiarity with HPE technologies such as HPE ProLiant, HPE Synergy, HPE OneView and Integrated Lights-Out (iLO)
• Experience supporting hybrid infrastructure environments spanning on-premises and cloud platforms; familiarity with Microsoft Azure infrastructure services is an advantage
• Experience with PowerShell scripting and automation is highly desirable
• Strong analytical and problem-solving skills, with the ability to independently diagnose and resolve technical issues
• Excellent communication skills, with the ability to explain technical concepts to both technical and non-technical audiences
• Experience working in customer-facing technical support or managed services environments, and the ability to manage multiple priorities in a fast-paced operational environment
• Passion for learning new technologies and continuously developing technical expertise; experience mentoring colleagues and contributing to team knowledge sharing is highly valued
• Relevant Microsoft, VMware, Azure or other infrastructure certifications are a plus
• 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 for this role is 3,200 EUR gross per month.

A Bit More About Your Role

You’ll work closely with TTEC colleagues and with our client’s customers, architects, engineering teams and project stakeholders, so you’ll see first-hand how your work shapes customer success on large-scale enterprise Windows and virtualization environments. We value curiosity and a love of learning: if you’re keen to grow across VMware, Hyper-V, Azure, Nutanix and emerging virtualization technologies, with ongoing training and certification support, 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 report to a Manager. 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.