Linux Systems Administrator

Hexa Group; Porto; Hybrid; EUR 45,000 - 65,000; Full time

Benefits offered by this job

Private health insurance from day one

Mental health support

Certification and learning support

Work-life balance measures

Security and compliance training

Job summary

Hexa Group is seeking a Senior Linux Systems Administrator to support infrastructure in Porto, starting on-site with a transition to a hybrid model. You will manage Linux servers, VMware environments, storage and SAN, while ensuring security and performance for critical services.

The role requires 5+ years of Linux admin experience and strong English (B2+). You will collaborate across teams and drive automation, with a focus on reliability and compliance.

Qualifications

• Minimum 5 years of Linux systems administration experience.
• Professional working proficiency in English (B2) both written and spoken.
• Strong organization, prioritization and time-management in complex infra environments.
• Collaborative, responsible and solution-oriented with quick learning ability.
• Availability to work initially on-site in Porto, followed by hybrid model with regular office presence.

Responsibilities

• Administer, configure, upgrade and troubleshoot Linux servers in standalone and clustered environments.
• Manage infrastructure changes through automation with traceable server operations.
• Support storage servers, SAN switches and VMware environments, including troubleshooting and maintenance.
• Collaborate with technical teams to analyze requirements, connectivity, security policies and compliance rules.
• Help ensure availability, performance and security of Linux platforms supporting critical services.

Skills

Linux admin

English (B2+)

Time management

Collaboration

On-site readiness

Tools

VMware administration

Linux clustering

Infrastructure automation

Storage & SAN

Job description

We are looking for a Senior Linux Systems Administrator to support infrastructure operations in the financial market infrastructure sector. This opportunity is based in Porto, with an initial on-site period and a hybrid model afterwards.

WHAT YOU WILL DO

• Administer, configure, upgrade and troubleshoot Linux servers in standalone and clustered environments.
• Manage infrastructure changes through automation practices, ensuring controlled and traceable server operations.
• Support storage servers, SAN switches and VMware environments, including troubleshooting and operational maintenance.
• Collaborate with technical teams to analyze business requirements, connectivity needs, security policies and compliance rules.
• Help ensure the availability, performance and security of Linux platforms supporting critical business services.

WHAT WE ARE LOOKING FOR

• At least 5 years of experience in Linux systems administration.
• Professional working proficiency in English, minimum B2 level, both written and spoken.
• Strong organization, prioritization and time-management skills in complex infrastructure environments.
• Collaborative, responsible and solution-oriented approach, with the ability to learn and apply new concepts quickly.
• Availability to work initially on-site in Porto, followed by a hybrid model with regular office presence.

TECHNICAL SKILLS

• Linux systems administration.
• Linux clustering.
• Infrastructure automation.
• VMware administration.
• Storage servers and SAN switches.
• Infrastructure services and networking topologies.
• Security policy implementation and compliance practices.
• Troubleshooting, performance analysis and operational optimization.

WHAT WE OFFER

• Private health insurance from day one, with no waiting period and optional family extension.
• Confidential mental health support, including psychological support, content and live sessions.
• Continuous learning and certification support throughout your journey.
• Practical support measures that promote balance between professional and personal life, whenever the role context allows.
• Opportunities to strengthen knowledge in information security, cybersecurity best practices and compliance-oriented infrastructure operations.

EQUAL OPPORTUNITY

Hexa is committed to inclusive and respectful recruitment practices, aligned with the principles of the Portuguese Diversity Charter. We value different backgrounds, experiences and perspectives, and promote equal opportunity throughout the hiring process.

HEXA LIFE

At Hexa, we are all Builders. You will join a collaborative environment based on honesty, mutual support and agility, where people are encouraged to contribute, evolve and help build solutions with quality, responsibility and shared purpose.