Senior System Administrator

Wavenure; Milano; Ibrido; EUR 55.000 - 76.000; Tempo pieno

Descrizione del lavoro

WAVENURE is seeking a Senior Systems Administrator to own the IT infrastructure in Milan, guiding the physical and virtual estate, architecture, strategy, design and implementation.

The ideal candidate will solve problems autonomously, communicate clearly, and work well under pressure with teams. This role requires 24x7 operations, disaster recovery, security, and ongoing upgrades across servers, databases and networking. Experience with Apache, MySQL, Linux, virtualization and AWS is preferred.

Competenze

• Minimum 5 years of experience in application server administration.
• Experience in Operations and System Management (Linux, Debian/Ubuntu/CentOS/RedHat).
• Installation and monitoring of Apache, PHP, Java/Tomcat, MySQL/MariaDB/MongoDB.
• Monitoring and maintenance of multiple DBMS (MySQL, Postgres, MariaDB, MongoDB).
• Strong WAN/LAN, TCP/IP, HTTP, SSL, HTTPS, DNS knowledge.
• VPN, IP networks and routing protocols understanding.
• Experience with SSL certificates installation/management.
• Knowledge of clustering, load balancing and virtualization.
• Experience with monitoring tools and CVS/Git.
• Good knowledge of AWS and basic network security.
• Fluent English speaking and writing.

Mansioni

• Ensure 24x7 operations of mission-critical IT systems.
• Disaster Recovery planning and IT security oversight.
• Patch application and system upgrades.
• Manage incidents via defined procedures and troubleshooting.
• Support development teams on architecture and implementation.
• Maintain hardware and servers for reliability.
• Provide day-to-day technical support to internal and external users.

Conoscenze

System administration

Linux administration

Networking concepts

SSL/TLS management

Cloud / AWS knowledge

Virtualization

Monitoring tools

Git / CVS

Security practices

Formazione

Bachelor's degree or equivalent in a related field

Strumenti

Apache

Tomcat

MySQL / MariaDB / PostgreSQL / MongoDB

Linux distributions: Debian/Ubuntu/CentOS/RedHat

Descrizione del lavoro

WAVENURE is looking for a Senior Systems Administrator with strong experience to join its Team. position has responsibility for the development, support and maintenance of the IT infrastructure.This role will have full Senior Systems Administration responsibility for the physical and virtual estate, including input into architecture, strategy, design and implementation.The candidate must be passionate and motivated to solve problems by autonomously finding creative solutions. The ideal candidate also has strong communication skills, is accustomed to working under pressure and has predisposition to teamwork.Attitude and motivation are a must-have.

Responsibility

• Ensure 24x7 operations of mission-critical IT systems
• Overall responsibility for Disaster Recovery and IT security
• Patch application and system upgrades activities
• Managing incident through procedures and troubleshooting techniques
• Supporting development team about architectural design and implementation
• Support and maintain a wide range of hardware (Servers, Chassis, NAS...) to provide a reliable and highly - service
• Providing day-to-day technical support to internal team as well as the external customers

Training and Technical Skills required

• At least 5 years of experience in application server administration
• Previous experience in Operations and System Management context (Linux System, Distribution: Debian, Ubuntu, CentOS, RedHat)
• Installation and monitoring of Apache and PHP, Java and Tomcat, Mysql server, Nodejs
• Monitoring and intervening (backup included) on Group DBMS (Mysql, Postgres, MariaDB, MongoDB).
• Excellent knowledge of WAN, LAN, TCP/IP, HTTP, SSL, HTTPS, DNS, etc
• Knowledge of IP networks, dynamic routing protocols and VPN connections
• Strong experience with installing/managing SSL certificates
• Knowledge of clustering and load balancing technologies
• Knowledge of virtualization techniques
• Experience with monitoring technologies
• A solid understanding of tools such as CVS and Git;
• Good knowledge of Amazon Web Services
• Network security basics (firewalls)
• Fluent English speaking and writing

Personal characteristics

The ideal candidate has communication skills, can work autonomously and proactively and has an aptitude for teamwork and problem solving.Attitude and motivation are key factors.

Software and tools

-

Nice to have

• Experience with administration of voip infrastructure
• Experience with Performance testing tools
• Experience with Google GSuite