Linux System Administrator

Join our dynamic team as a Storage & SAN Administrator at Inetum, where you will leverage your extensive experience in managing, operating, and integrating Enterprise Storage solutions and SAN environments. We are seeking a proactive and detail-oriented individual skilled in supporting critical, large-scale infrastructures.Key Responsibilities:Oversee the management, installation, and operation of Storage systems (DELL, EMC, Fujitsu, Huawei) and SAN infrastructures (Brocade/Broadcom).Administer and configure Block Storage and NAS environments including CIFS, NFS, iSCSI, and S3.Integrate and provide support across various operating systems such as VMware, Windows Server, AIX, HP‑UX, Solaris, RHEL.Conduct performance analysis, troubleshooting, and optimization within Storage/SAN environments.Support cross-functional infrastructure projects and technology evolution initiatives.

We are seeking a skilled SAN Storage Administrator to join our dynamic team at inetum2 in Lisbon. The ideal candidate will be responsible for the management and maintenance of our Storage Area Network (SAN) systems, ensuring optimal performance and reliability. This role requires a strong technical background in storage technologies and a commitment to delivering excellent service.

We are seeking a highly skilled Senior SAN Storage Administrator to join our dynamic team at inetum2 in Lisbon. In this role, you will be responsible for managing and optimizing our Storage Area Network (SAN) infrastructure, ensuring high availability and performance. You will collaborate with cross-functional teams to design, implement, and maintain storage solutions that meet the demands of our growing business.

Join our dynamic team at Inetum2 as a Storage Administrator, where you will play a vital role in managing and optimizing our storage solutions. We are seeking a proactive individual who can ensure the reliability, performance, and security of our storage infrastructure.

Join our team at inetum2 as a Senior Storage Administrator, where you will play a pivotal role in managing and optimizing our storage solutions. Your expertise will help us maintain high-performance, reliable systems that are crucial for our operations.

Join our dynamic team at inetum2 as a Senior Network-Attached Storage (NAS) Administrator, where you will play a crucial role in managing and optimizing our NAS infrastructure. You will be responsible for the configuration, maintenance, and support of NAS systems to ensure optimal performance and reliability.

Join inetum2 as a NAS Administrator and play a crucial role in managing our Network Attached Storage systems. You will be responsible for ensuring data availability, performance, and security within our infrastructure. This position offers a fantastic opportunity to work with cutting-edge technology in a dynamic environment.

Join our dynamic team as a Storage and Backup Engineer at Inetum, where you will play a crucial role in managing storage and backup infrastructures for a diverse portfolio of clients, including mid-sized companies and large enterprises across both public and private sectors. You will work within a shared production and service center environment, engaging with both virtualized and physical setups, utilizing SAN/NAS storage solutions, and implementing backup strategies using Veeam technologies such as Veeam Backup & Replication and Veeam ONE. Your contributions will help maintain a strong ITIL-oriented framework, ensuring efficient handling of incidents, requests, and changes through effective monitoring tools and dashboards.Key Responsibilities:Administer, operate, and optimize storage and backup infrastructures in a 24/7 production context for multiple clients.Ensure the continuity and reliability of backup, restore, and storage services (SAN/NAS, disks, appliances, arrays).Participate in on-call rotations to maintain data availability, integrity, and SLA compliance regarding backup, restore, and disaster recovery.Manage and operate backup infrastructures, particularly those based on Veeam and other technologies.Oversee the administration and performance of storage infrastructures.Provide monitoring, incident resolution, and administrative-level support (L2/L3).Execute restore operations to guarantee business continuity.Fulfill on-call duties and conduct out-of-hours interventions as necessary.Engage in change management processes and upgrades.Drive optimization, capacity planning, and continuous improvement initiatives.Document processes and share knowledge with team members.

Join Altersolutions as an IT Administrator in beautiful Lisbon, where you will play a vital role in managing and maintaining our IT infrastructure.You will be responsible for ensuring the smooth operation of our IT systems, troubleshooting technical issues, and supporting our team members in their daily technology needs.

As a Linux System Administrator at Inetum, you will play a crucial role in ensuring the availability, performance, and security of Linux server environments for our diverse clientele. You'll deliver operations, automation, and Level 2/3 support while participating in a rotating on-call duty to maintain service continuity.CONTEXTJoin a shared services team of five administrators dedicated to supporting multiple client environments in a multi-tenant architecture.Take responsibility for the operational availability, performance, and security of our Linux infrastructure across both on-premises and cloud platforms.Engage in a rotating on-call schedule to uphold service continuity as per contractual SLAs.Main Responsibilities:System Administration:Install, configure, and maintain Linux servers (such as Ubuntu, Debian, CentOS, RHEL).Perform regular patching, upgrades, and system hardening.Manage users, groups, permissions, and access policies effectively.Ensure system stability, performance, and carry out capacity planning.Shared Services and Platforms:Oversee shared services (e.g., DNS, NTP, SMTP relays, web servers, file servers).Provide support to application teams utilizing the shared Linux infrastructure.Maintain and optimize virtualization and/or container platforms (VMware, KVM, Docker, Kubernetes, based on the environment).Contribute to the standardization of environments and configurations across teams.Monitoring, Incident Management, and On-call:Configure and maintain monitoring and alerting tools (e.g., Zabbix, Prometheus, Nagios, Grafana).Investigate and resolve incidents affecting shared systems and services.Participate in a rotating on-call duty schedule (24/7 support):Respond to alerts within defined SLAs.Conduct first-level analysis, mitigation, and escalate issues as necessary.Communicate effectively with stakeholders during major incidents.Contribute to post-incident reviews (RCA) and ongoing improvement actions.Security and Compliance:Implement security best practices and hardening guidelines on Linux systems.Collaborate with security teams to identify, prioritize, and remediate vulnerabilities.Manage firewalls, VPN access, and ensure secure remote access (SSH, bastion/jump hosts).Ensure compliance with internal policies and external regulations when applicable.Backup, Recovery, and Continuity:Regularly test recovery and disaster scenarios.Assist in defining and meeting RPO/RTO targets for critical services.Automation and Industrialization:Utilize scripting languages (Bash, Python, etc.) to automate repetitive operational tasks.Employ configuration management tools (e.g., Ansible, Puppet, Chef, SaltStack) to maintain consistent environments.Contribute to infrastructure as code and standard operating procedures.

Join inetum2 as a Windows System Administrator in Lisbon! In this critical role, you will be responsible for managing and maintaining Windows server environments, ensuring optimal performance and security. Collaborate with cross-functional teams to implement solutions that drive efficiency and reliability.

Join inetum2 as a Security Administrator, where you'll play a vital role in safeguarding our digital assets and ensuring the integrity of our systems. You will be responsible for implementing security measures, conducting risk assessments, and responding to security incidents. Your expertise will help us maintain a secure environment for our clients and support our ongoing commitment to excellence.

We are looking for a skilled Salesforce Administrator to join our team at inetum2 in Lisbon. In this role, you will be responsible for managing and optimizing our Salesforce platform to ensure that it meets the needs of our organization. You will work closely with various departments to streamline processes and enhance user experience.

Join our dynamic team at inetum2 as a Unix System Administrator. In this role, you will be responsible for managing, maintaining, and optimizing our Unix-based systems. Your expertise will help ensure the reliability and efficiency of our IT infrastructure.We are looking for a proactive individual who can tackle challenges head-on and contribute to our growing technological landscape. If you are passionate about systems administration and thrive in a fast-paced environment, we want to hear from you!

Join our dynamic team at inetum2 as a SharePoint Administrator, where you will play a crucial role in managing, configuring, and optimizing our SharePoint environment. Your expertise will help streamline our operations and enhance collaboration across departments.In this position, you will be responsible for administering SharePoint sites, ensuring security protocols are upheld, and providing support to users in utilizing SharePoint effectively. A commitment to continuous improvement and staying updated with SharePoint advancements is essential.

Join inetum2 as a Security Administrator, where you will play a crucial role in safeguarding our information systems and ensuring compliance with industry standards. You will be responsible for implementing security protocols, monitoring network traffic, and responding to security incidents. Your expertise will help us enhance our security posture and protect sensitive data.

Role overview inetum2 seeks an IT Cloud Infrastructure Administrator based in Lisbon. The position centers on managing cloud infrastructure and making sure services remain reliable and efficient. What you will do Oversee daily operations of cloud infrastructure and identify areas for improvement Collaborate with teams throughout the company to support cloud-based services Contribute to maintaining high service reliability and strong performance

We are seeking a skilled IT Administrator to join our dynamic team at inetum2. In this role, you will be responsible for maintaining and optimizing our IT infrastructure, ensuring seamless operations for our staff. You will play a critical role in troubleshooting hardware and software issues, managing network security, and implementing new technologies to enhance productivity.

Join Altersolutions as a Middleware Administrator and play a pivotal role in managing and optimizing our middleware solutions. In this position, you will be responsible for ensuring the seamless integration of various applications and services, contributing to our commitment to delivering exceptional IT solutions.