IT Systems Administrator

Hexa Consulting; Lisboa; Hybrid; EUR 40,000 - 60,000; Full time

Benefits offered by this job

Private health insurance

Mental health support

Childcare vouchers

Certification support

Job summary

Hexa Consulting seeks an IT Systems Administrator to join a client team in a hybrid role based in Lisbon. The role focuses on Windows environments with strong Linux and networking foundations, plus authentication and automation tasks.

You will maintain enterprise systems, support RDS/AD and implement PowerShell-driven automation, while ensuring security and availability across on‑prem and cloud platforms.

Qualifications

• Proven experience in IT Systems Administration for enterprise environments.
• Strong knowledge of Windows Server and Linux, with Windows focus.
• Solid understanding of IT networking and infrastructure.
• Hands-on troubleshooting, administration and technical support experience for enterprise platforms.
• Knowledge of PowerShell scripting for admin tasks and automation.
• Experience managing authentication mechanisms and GPOs.

Responsibilities

• Administer, maintain and provide technical support for enterprise IT systems and platforms.
• Support Windows Server and Linux environments, ensuring operational stability and availability.
• Investigate and resolve issues involving infrastructure, networking, authentication and enterprise apps.
• Manage federated authentication using ADFS and SSO.
• Configure and manage Group Policy Objects (GPOs) across Windows environments.
• Administer Remote Desktop Services (RDS) and related Farm/Jump servers.
• Develop and maintain PowerShell scripts for system administration and automation.
• Support Atlassian platforms (Jira/Confluence/Bitbucket) across on‑prem and cloud.
• Provide technical support for enterprise communications and telephony (Cisco Jabber, MET, Teams).
• Administer and troubleshoot F5 load balancers and SCCM deployments.

Skills

Windows Server

Linux

PowerShell scripting

Networking

GPOs

Troubleshooting

Authentication

SSO

Tools

SCCM

Job description

Hexa Consulting is looking for an IT Systems Administrator to join our Client's team in a hybrid work model from Lisbon.

Alfragide, Portugal | Hybrid: 3 days per week on-site

Mandatory Requirements

• Professional experience in IT Systems Administration, supporting enterprise environments.
• Strong knowledge of Windows Server and Linux, with a primary focus on Windows.
• Solid understanding of IT networking and infrastructure.
• Hands-on experience in troubleshooting, administration and technical support of enterprise platforms.
• Knowledge of PowerShell scripting for administrative tasks and automation.
• Experience managing authentication mechanisms and Group Policy Objects (GPOs).

Nice to Have

• Knowledge of Active Directory Federation Services (ADFS) and Remote Desktop Services (RDS), particularly federated authentication, Single Sign-On (SSO), remote access and integration between enterprise platforms.
• Previous experience with any of the technologies listed below, including on-premises and cloud environments where applicable.
• Identity & Access Management: ADFS, SSO, GPOs.
• Remote Access: Remote Desktop Services (RDS), RDS Farms, Jump Servers.
• Automation & Scripting: PowerShell, Control-M.
• Atlassian: Jira, Confluence, Bitbucket (on-premises and cloud).
• Cisco: Jabber, MET, Enterprise Telephony Solutions.

Key Responsibilities

• Administer, maintain and provide technical support for enterprise IT systems and platforms.
• Support Windows Server and Linux environments, ensuring operational stability and availability.
• Investigate and resolve technical issues involving infrastructure, networking, authentication and enterprise applications.
• Manage federated and integrated authentication using ADFS and Single Sign-On (SSO).
• Configure and manage Group Policy Objects (GPOs) across Windows environments.
• Administer and troubleshoot Remote Desktop Services (RDS), including RDS farms and jump servers.
• Develop and maintain PowerShell scripts for system administration and process automation.
• Administer and support Atlassian platforms, including Jira, Confluence and Bitbucket, across on-premises and cloud environments.
• Provide technical support for enterprise communication and telephony solutions, including Cisco Jabber, MET and Microsoft Teams.
• Administer and troubleshoot F5 load balancers.
• Manage software deployment, update packages and patch distribution using SCCM.
• Administer and support Microsoft Exchange.
• Support websites hosted on Microsoft Azure and assist with production deployment activities.
• Administer Control-M for job scheduling, orchestration and process automation.

What We Offer

• Work Model: Hybrid, with 3 office days per week in Alfragide, following the first 3 months fully on-site.
• A culture where each person is encouraged to act as a Builder, contributing with ownership, responsibility and impact.
• A collaborative environment built on Honesty, Mutual Support and Agility.
• Continuous learning and certification support throughout your journey.
• Private health insurance from day one, with optional family extension.
• Confidential mental health support through TEAM 24, including psychological support, content and live sessions.
• Childcare vouchers and practical family support measures.
• Opportunities to grow through exposure to quality management, information security, AI governance and cybersecurity best practices.

Hexa is committed to equal opportunity, inclusion and fair access to professional growth. We value diverse backgrounds, perspectives and experiences, and we support the principles of the Portuguese Diversity Charter in the way we build teams and opportunities.

Life at Hexa means being part of a community of Builders. We work with transparency, support each other across projects and geographies, and stay focused on learning, adapting and delivering work that creates real impact.