NOC Infrastructure Administrator

Miratech Group; Warszawa; Hybrid; PLN 120,000 - 180,000; Full time

Benefits offered by this job

Health insurance

Relocation program

Language courses

ForeverRemote work culture

Career growth opportunities

Job summary

Miratech seeks an experienced NOC Infrastructure Administrator to join our remote team. You will monitor, administer and support Linux, Windows and cloud-based infrastructure in a 24/7 production environment, ensuring availability and performance.

The role involves rotating shifts and active involvement in incident management, documentation, and process improvements. The ideal candidate brings strong Linux/Windows administration, cloud and virtualization experience (AWS/Azure/VMware/Hyper‑V),

Qualifications

• 4+ years of Linux and Windows system administration in production
• Experience supporting 24/7 production infrastructure
• Strong knowledge of Linux and Windows server administration
• Experience with system and application monitoring in production
• Hands‑on networking knowledge: DNS, TCP/IP, DHCP, IP networking, troubleshooting
• Experience with Microsoft infrastructure technologies: AD, DNS, DHCP, GPO, Windows Security
• Experience with cloud platforms and virtualization: AWS, Azure, VMware, Hyper‑V
• Experience automating with Bash, PowerShell, Python
• SQL queries and database troubleshooting
• Web server administration
• Enterprise monitoring tools: Nagios, Datadog, Jira, Salesforce
• Incident management, documenting resolutions, following procedures
• Strong analytical, communication, and teamwork skills
• Ability to work in fast‑paced, rotating shifts
• Willingness to work day/evening/night/weekend/holiday shifts

Responsibilities

• Provide 24/7 operational support for Linux and Windows systems
• Operate, maintain, and manage Linux/Windows production environments
• Perform data backup and recovery activities
• Monitor and manage Linux/Windows servers and applications
• Maintain environment procedures and documentation
• Manage Active Directory users and groups
• Daily system monitoring, ensuring integrity and backups
• Prioritize and resolve support requests efficiently
• Administer cloud infrastructure and managed services
• Develop automation scripts in Bash, PowerShell, Python
• Assist with patch management for Linux and Windows
• Maintain operational, configuration and knowledge-base docs
• Lead shift operations when required

Skills

Linux administration

Windows administration

Cloud platforms

Bash/PowerShell/Python

Networking (DNS, TCP/IP, DHCP)

Incident management

Documentation

Tools

AWS

Azure

VMware

Hyper‑V

Nagios

Datadog

Jira

Salesforce

SQL

Active Directory

Job description

Miratech helps visionaries change the world. We are a global IT services and consulting company that brings together enterprise and start-up innovation. Today, we support digital transformation for some of the world's largest enterprises. By partnering with both large and small players, we stay at the leading edge of technology, remain nimble even as a global leader, and create technology that helps our clients further enhance their business. We are a values-driven organization and our culture of Relentless Performance has enabled over 99% of Miratech's engagements to succeed by meeting or exceeding our scope, schedule, and/or budget objectives since our inception in 1989.
Miratech has coverage across 5 continents and operates in over 25 countries around the world. Miratech retains nearly 1000 full-time professionals, and our annual growth rate exceeds 25%.

Job Description

We are looking for an experienced NOC Infrastructure Administrator to join our team remotely. The NOC Infrastructure Administrator is responsible for monitoring, administration, and operational support of Linux, Windows, and cloud-based infrastructure in a 24/7 production environment. This role focuses on maintaining system availability, resolving technical issues, supporting operational processes, and ensuring the stability and performance of critical business systems.
As part of a round-the-clock operations team, the successful candidate will participate in a rotating shift schedule and play a key role in supporting mission-critical infrastructure and services.
The ideal candidate has strong system administration experience, solid troubleshooting skills, and hands‑on knowledge of cloud platforms, virtualization technologies, networking fundamentals, and infrastructure monitoring tools.Responsibilities

• Provide operational support for a 24/7 NOC environment supporting Linux and Windows-based systems.
• Operate, maintain, and manage Linux and Windows systems supporting production operations.
• Perform data backup and recovery activities.
• Monitor, manage, and maintain Linux and Windows servers and applications.
• Create and maintain environment‑specific operating procedures and documentation.
• Create, manage, and maintain user accounts and group memberships in Active Directory.
• Perform daily system monitoring, ensuring system integrity, availability, and successful completion of scheduled jobs and backups.
• Define, prioritize, troubleshoot, and resolve support requests in an organized and efficient manner.
• Administer and monitor cloud‑based infrastructure and managed services.
• Develop, maintain, and utilize automation scripts using Bash, PowerShell, Python, or similar technologies.
• Assist with patch management in Linux and Windows environments.
• Create and maintain operational, configuration, and knowledge base documentation.
• Lead shift operations when required.

Qualifications

• 4+ years of experience in Linux and Windows system administration.
• Experience supporting production infrastructure in a 24/7 operational environment.
• Strong knowledge of Linux and Windows server administration.
• Experience with system and application monitoring in production environments
• Hands‑on knowledge of networking concepts, including DNS, TCP/IP, DHCP, IP networking, and network troubleshooting.
• Experience administering Microsoft infrastructure technologies, including Active Directory, DNS, DHCP, Group Policy, and Windows Security.
• Experience with cloud platforms and virtualization technologies such as AWS, Azure, VMware, and Hyper‑V.
• Experience developing automation scripts using Bash, PowerShell, Python, or similar scripting languages.
• Working knowledge of SQL queries and database troubleshooting.
• Experience with web server administration and configuration.
• Experience working with enterprise monitoring tools such as Nagios, Datadog, Jira, Salesforce, or similar platforms.
• Experience managing incidents, documenting resolutions, and following operational procedures.
• Strong analytical and problem‑solving skills.
• Strong verbal and written communication skills. Positive and collaborative attitude.
• Self‑motivated with a strong sense of ownership and accountability.
• Ability to identify inefficiencies and recommend improvements to systems and processes.
• Ability to perform effectively in a fast‑paced and rapidly changing environment.
• Strong organizational, prioritization, and decision‑making skills.
• Ability to work effectively both independently and within a team environment.
• Flexibility to work day, evening, night, weekend, and holiday shifts as part of a rotating schedule.

Additional Information

We offer:

• Culture of relentless performance: join an unstoppable technology development team with a 99% project success rate and more than 30% year‑over‑year revenue growth.
• Competitive pay and benefits: enjoy a comprehensive compensation and benefits package, including health insurance, language courses, and a relocation program.
• ForeverRemote work culture: make the most of the flexibility that comes with remote work.
• Growth mindset: reap the benefits of a range of professional development opportunities, including certification programs, mentorship and talent investment programs, internal mobility and internship opportunities.
• Global impact: collaborate on impactful projects for top global clients and shape the future of industries.
• Welcoming multicultural environment: be a part of a dynamic, global team and thrive in an inclusive and supportive work environment with open communication and regular team‑building company social events.
• Social sustainability values: join oursustainable business practicesfocused on five pillars, including IT education, community empowerment, fair operating practices, environmental sustainability, and gender equality.

* Miratech is an equal opportunity employer and does not discriminate against any employee or applicant for employment on the basis of race, color, religion, sex, national origin, age, disability, veteran status, sexual orientation, gender identity, or any other protected status under applicable law.