Systems Administrator

Zayo Europe
Hybrid
Regular employment
3 - 6 years of experience
Full Time
Sofia, Bulgaria
Responsibilities
Company Description
At Zayo Europe, we’re driven by a bold vision to power the world through connectivity. We’ve built and operated the critical fibre networks that keep businesses, communities, and economies connected. In 2024, we embarked on an exciting new chapter as a standalone company — a milestone that empowers us to innovate, grow, and lead with greater agility. As we continue to evolve, our mission remains clear: to deliver fast, reliable, and scalable infrastructure that fuels the digital world.
Position Description
The System Administrator, skilled primarily with Linux, and knowledge in MS Windows, is responsible for effective provisioning, installation/configuration, documentation, operation, and maintenance of systems hardware, software, and related infrastructure. This individual is accountable for the following systems: All Linux/Windows based systems, and other systems or applications that support the enterprise. This individual will also provide limited Service Desk support as needed, being a backup to the primary Service Desk team.
Responsibilities
The scope and responsibility of this role :
Engineering and Provisioning
Install new/rebuild existing servers and configure hardware, peripherals, services, settings, directories, storage, etc. in accordance with standards and project/operational requirements.
Own projects end to end by establishing project roadmaps, identifying milestones, creating stakeholder relationships and reporting on progress through project documentation.
Develop, document, and maintain installation and configuration procedures of the systems and applications.
Contribute to and maintain system standards.
Research and recommend innovative, and where possible, automated approaches for system administration tasks. Identify approaches that leverage our resources and provide economies of scale.
Operations and Support
Perform daily system monitoring, verifying the integrity and availability of all hardware, server resources, systems and key processes, reviewing system and application logs, and verifying completion of scheduled jobs such as backups.
Provide technical support, in accordance with SLA, per request from various sources like tickets or monitoring tools.
Investigate and troubleshoot issues to identify causes of impairments, outages or customer impacting issues and work to recover systems as quickly as possible while maintaining compliant security policies and long-term supportability.
Repair and recover from hardware or software failures. Coordinate and communicate with impacted groups and team members.
Maintenance
Apply OS patches and upgrades on a regular basis. Upgrade administrative tools and utilities as needed. Configure/add new services as necessary.
Upgrade and configure system software that supports corporate infrastructure applications or asset management/monitoring applications per project or operational needs.
Maintain operational, configuration, or other procedures and documentation.
Perform periodic performance reporting to support capacity planning.
Perform ongoing performance tuning, hardware upgrades, and resource optimization as required.
Configure CPU, memory, and disk partitions as required.
Maintain data center environmental and monitoring equipment.
Service Desk
Support the Service Desk team as backup.
Provide support for our internal and external nationwide users, for all IT issues. Provide assistance concerning, but not limited to, the use of computer hardware, software, printers, telephony, mobile phones, email, and operating systems as requested.
Provide, or setup, hardware for the users to work like desk setup with monitor / keyboard / mouse, audio-video or other communication hardware, printers, …
Onboard new employees
Others
Understand and adhere to Zayo’s risk and regulatory standards, policies and controls
Work with the team to develop long-range strategies based on infrastructure technical trends and business forecasts.
Ability to work as both a team player and independently on tasks of high complexity
Ability to multi-task and adjust priorities based on workload.
Learn technologies and skills from different sources provided by the organization or available resources on the internet.
Share your knowledge with the other team members or stakeholders.
This is a critical role within the team that provides 24x7 support for our Corporate Infrastructure and systems which could include participation in a weekly on-call rotation.
Responsibilities sometimes require working evenings and weekends, sometimes with little advance notice.
Preferred Qualifications
Strong working knowledge of Linux operating systems like RedHat based OS, or Debian based OS.
Working knowledge of Solaris and/or other Unix operating systems is a plus.
Working knowledge of VMware clustered technologies
Working knowledge of Windows environment and Active Directory
Working knowledge of infrastructure architecture, data centers, servers, and networks
Working knowledge and skills to install, configure, secure, monitor, and maintain such servers
Scripting skills to automate repeatable and manual tasks (bash, python, powershell, YAML, …).
Flexible and reliable worker, with the ability to prioritize multiple tasks
Basic knowledge of storage management
Basic knowledge of database management
Basic knowledge of networking
Basic knowledge of firewalling
Basic knowledge of emerging technologies, such as container and microservice architectures: Docker and related tools, or orchestration, automation and management tools, Kubernetes / OpenShift, Ansible / AWX, etc
Basic knowledge of cloud computing providers such as AWS, Azure
This includes participation in a weekly on-call rotation.
Education and Experience Requirements:
Minimum of 3-6 years relevant work experience in a similar role supporting corporate / mission-critical environment
Bachelors’ degree, with a technical major, such as computer science preferred. Equivalent experience may satisfy this requirement.
Linux certification(s) a plus, but not required such as Red Hat Certified System Administrator (RHCSA), CompTIA Linux+, Linux Professional Institute LPIC-1, LFCS (Linux Foundation Certified System Administrator)
Rewards
Competitive compensation including annual incentive plan
Generous paid time off policy including, 25 days paid time off, one floating day and two volunteer days off per annum
Hybrid working
Health and life Insurance
Meal vouchers
Employee assistance programs including mental health, wellbeing and medical support
Zayo Europe provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, colour, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state, provincial or local laws.
This policy applies to all terms and conditions of employment, including recruiting, hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, compensation and training.