Senior System Administrator

Hexa People; Lisboa; On-site; EUR 55,000 - 75,000; Full time

Job summary

Hexa People is seeking an experienced Vulnerability Management Specialist to strengthen the organisation's security posture in Lisbon, Portugal. You will lead the end-to-end vulnerability lifecycle, assess risks and coordinate remediation with Infrastructure, Systems, Network, and Application teams to improve hardening across Windows and Linux.

The ideal candidate has 3+ years in vulnerability management or cybersecurity operations, fluency in English, and familiarity with Rapid7, SCCM/Intune,

Qualifications

• Bachelor's degree in Computer Science, Computer Engineering, Cybersecurity or related field.
• Fluent English, both written and spoken; Spanish language skills are an advantage.
• At least 3 years of relevant experience in vulnerability management, infrastructure security or cybersecurity operations.
• Hands-on experience with vulnerability management tools, preferably Rapid7, together with solid knowledge of Windows Server, Linux, Active Directory and system hardening.
• Knowledge of SCCM and/or Intune, networking and security frameworks such as ISO 27001 and DORA; familiarity with QRadar and SQL Server is advantageous.

Responsibilities

• Manage the end-to-end vulnerability management lifecycle, from identification to resolution.
• Analyse and prioritise vulnerabilities using Rapid7 and other security assessment sources.
• Coordinate remediation activities with Infrastructure, Systems, Network and Application teams.
• Support system hardening and security improvements across Windows and Linux environments.
• Monitor remediation progress and contribute to security compliance and continuous improvement.

Skills

Vulnerability management

Security operations

Windows Server

Linux

Active Directory

System hardening

Risk assessment

English (Fluent)

Spanish (nice to have)

Education

Bachelor's degree in Computer Science, Computer Engineering, Cybersecurity or related field

Tools

Rapid7

SCCM

Intune

QRadar

SQL Server

Job description

We are looking for an experienced Vulnerability Management Specialist to join a cybersecurity team and play a key role in strengthening the organisation's security posture.

In this role, you will manage security vulnerabilities across IT infrastructure, assess risks and work closely with technical teams to ensure effective remediation.

Key Responsibilities

• Manage the end-to-end vulnerability management lifecycle, from identification to resolution.
• Analyse and prioritise vulnerabilities using Rapid7 and other security assessment sources.
• Coordinate remediation activities with Infrastructure, Systems, Network and Application teams.
• Support system hardening and security improvements across Windows and Linux environments.
• Monitor remediation progress and contribute to security compliance and continuous improvement.

Requirements

• Bachelor's degree in Computer Science, Computer Engineering, Cybersecurity or a related field.
• Fluent English, both written and spoken; Spanish language skills are an advantage.
• At least 3 years of relevant experience in vulnerability management, infrastructure security or cybersecurity operations.
• Hands-on experience with vulnerability management tools, preferably Rapid7, together with solid knowledge of Windows Server, Linux, Active Directory and system hardening.
• Knowledge of SCCM and/or Intune, networking and security frameworks such as ISO 27001 and DORA; familiarity with QRadar and SQL Server is advantageous.