Security Analyst (f/m/d)

Permanent employee, Full-time · Lissabon

Your new role

As a Security Analyst (f/m/d) – Focus on Vulnerability Management, you will be a central part of our IT security team. Your main responsibilities will include analyzing, validating, and tracking vulnerability findings identified by automated security scanners, external assessments, or penetration tests.

You will work daily with tools like Defect Dojo, support business units in the technical assessment and remediation of findings, and ensure continuous improvement of data quality and efficiency in vulnerability handling. You will also integrate relevant systems (e.g., CMDBs, ticketing platforms, or asset data sources) to gain contextual information for better prioritization.

In addition, you will configure your own vulnerability scans, automate processes through scripting, and contribute your technical expertise to actively enhance the security of our systems.

The work you‘ll do

Operation and further development of our Vulnerability Management using tools like Defect Dojo
Analysis, prioritization, and validation of findings from vulnerability scans, penetration tests, or external reports
Supporting business units in the technical classification, traceability, and remediation of vulnerabilities
Reducing false positives and improving data quality through technical contextualization
Tracking and reporting of vulnerability remediation, including deadlines, actions, and associated risks
Integration of external systems (e.g., CMDB, asset management, ticketing systems) to enrich and enhance the accuracy of findings
Configuration and setup of security scanners (e.g., Nessus, OpenVAS) and integration into existing workflows
Automation of processes using Python or Shell to increase efficiency
Collaboration with Incident Response, Threat Intelligence, or other security teams when needed

The qualifications you need

A degree in IT security, computer science, or a comparable qualification
Experience in Vulnerability Management and working with tools such as Defect Dojo, TheHive, Cortex, and MISP for vulnerability, incident, or threat intelligence management
Technical understanding of IT architectures, vulnerabilities, and their impact
Familiarity with CVSS, CVE, OWASP Top 10, SANS Top 25
Proficiency in scripting languages such as Python or Shell, e.g., for automating security processes, data analysis, or API integration
Experience with vulnerability scanners like Nessus, OpenVAS, or similar tools, including setup, operation, and integration into existing workflows
Ability to connect external systems such as CMDBs, ticketing systems, or asset data sources to improve the accuracy, prioritization, and traceability of findings
Ability to communicate complex technical topics in a target group-oriented manner
Independent and structured working style with strong team skills
Certifications such as CompTIA Security+, CEH, or GIAC are a plus, but not required
Excellent German and English skills, both written and spoken

What we can offer you

An unlimited fixed-term contract
Flexible working hours and the option to work hybrid (2 days/week in the office)
Cozy and large workplaces with modern equipment and cordial colleagues in Lisbon (Barata Salgueiro 37) – super central
Funding of educational trainings and Rosetta Stone language courses
Additional vacation days (25 instead of 22)
One of the best health Insurance with great coverage (including family members — free of charge (after probation period)
Meal allowance card and Pizza discounts
Subsidy of Urban Sports Membership
Public transportation subsidy
Laptop of your choice (Apple, Windows or Linux)
Regular team and company events
Fruits and beverages in Office

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About us

NFON who? 

We’re NFON – a leading European provider of integrated business communication with a focus on AI-based applications and as a licenced telecoms company active in 15 European countries. Since 2019 we are listed in the Prime Standard segment of the Frankfurt Stock Exchange, have nine branch operations and are working together with over 3,000 partners. Every day, we support around 55,000 business customers in Europe with intuitive communication solutions that make their businesses more efficient and flexible.

 What we do… 

As a long-term partner for small and medium-sized businesses, we combine technological innovation with user-friendly and efficient business communication solutions. With both AI-based technologies and operational excellence, we are enabling companies to harness the full potential that artificial intelligence offers – for optimised processes, more precise customer interactions and new growth opportunities. With its core product, the smart cloud communications platform, we are offering hassle-free voice calls, simple video conferencing and seamless integration of CRM and collaboration tools for small and medium-sized companies. All of NFON’s cloud services are operated in certified data centres in Germany, with 100% of their energy needs covered by renewable sources.

How & why we do it    

Our vision is to rethink business communication, inspire and connect people to grow together sustainably. For that we need innovative ideas and people who get things done & never get discouraged. If plan A doesn’t work, the alphabet still has 25 other letters to choose from. There is one thing that builds the foundation of everything we do – and that’s respect. Whether it is towards our employees, our partners or our customers. We value each other’s commitment and listen to diverse opinions. Of course everyone has personal goals. But at the end of the day what counts is the success of the overall team. We work as a team and learn from the people around us.
  

Diversity is at our core.

NFON is an equal opportunity employer and does not discriminate on the basis of ethnicity, religion, color, national origin, gender, sexual orientation, gender identity, age, marital status, veteran or disability status.

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Your application!

Thank you for your interest in the NFON Group. To complete your application, we need some more information from you - please fill out the form. If there are any difficulties with the upload of your data, please send us an e-mail to talent@nfon.com. We are looking forward to getting to know you!