Senior Unix Administrator

At Mindboxwe connect top IT talents with technology projects for leading enterprises across Europe.

We are looking for a skilled Unix Systems Administrator to join our Infrastructure Delivery team, supporting the design, configuration, automation, and maintenance of Linux-based environments within a large-scale DevOps setup.

This role combines hands-on system administration with delivery responsibilities, ensuring stable, secure, and high-performing infrastructure services for global engineering and application development teams.

You will collaborate with distributed application development “pods” to deploy and operate centrally managed compute services, advise on Unix/Linux architecture, and contribute to automation initiatives that improve reliability and reduce manual effort.

Sounds like your kind of challenge?

Responsibilities

• Flexible cooperation model
• Hybrid work setup - 2 days a week from the office
• Collaborative team culture - work alongside experienced professionals eager to share knowledge
• Continuous development - access to training platforms and growth opportunities
• Comprehensive benefits - including Interpolska Health Care, Multisport card, Warta Insurance, and more
• High quality equipment - laptop and essential software provided

Requirements

• Configure, deploy, and maintain Linux server environments (RHEL preferred; SLES / Solaris advantageous).
• Implement and support hardware and software solutions across both live and non-live environments.
• Provide technical support for IT Infrastructure Delivery technologies, ensuring compliance with SLAs, quality standards, and organisational policies.
• Contribute to implementation of new technologies and continuous operational improvements.
• Develop Bash, Perl or Python scripts to automate build and administrative tasks.
• Identify opportunities for process automation to reduce manual, repetitive work.
• Support DevOps integration by working with tools such as Ansible, Puppet, Chef or similar technologies.
• Draft and maintain standards / procedures for capacity planning and service component management.
• Monitor infrastructure performance against SLAs, perform root-cause analysis, and recommend improvements.
• Review workloads and resource usage to forecast demand and implement tuning activities.
• Advise on Unix/Linux design and best practices throughout project lifecycles -from build to implementation.
• Cooperate closely with application, network, storage, and security teams to ensure end-to-end system integration.
• Provide guidance and knowledge transfer to engineering teams within a DevOps context.

Note:Detailed project information will be shared during the recruitment process.

Benefits

• 6-10 years of hands-on experience in Linux server administration (RHEL required; SLES/Solaris as a plus).
• Proven expertise in Unix/Linux architecture, tuning, and automation.
• Strong scripting skills (shell, Perl, or Python).
• Experience with IBM and HP x86 hardware and virtualisation (VMware, Citrix, Hyper-V).
• Familiarity with storage infrastructure (NAS, EMC SAN, replication, clustered environments).
• Understanding of networking concepts (TCP / UDP, DNS, firewalls, load balancing - Cisco / F5).
• Knowledge of DevOps tooling and configuration management (Ansible, Puppet, Chef).
• Experience working in regulated enterprise environments (e.g. financial or telecom sector).
• Familiarity with ITIL principles and service operations standards.
• Industry-standard certifications in Linux/Unix administration preferred.

Joining this project you’llbecome part of Mindbox - a tech-driven company where consulting, engineering, and talent meet to build meaningful digital solutions. We’llback you up every step of the way, accelerate your development, and ensure your skills make a difference.