Vulnerability Engineer

TDC A/S

📍Aarhus, Central Denmark

Posted on: May 05, 2026

Join us in connecting Denmark. For everyone.

Do you have the necessary technical and communication skills to support TDC NET improve the security posture, prioritize vulnerabilities and reduce the attack surface? If yes, please keep reading.

PIONEERING DIGITAL NETWORKS

TDC NET provides networks that connect us to each other and connect Denmark to the world. We specialise in technology development, data analysis, project management, partnerships, business strategy and technology. We work in the interface between technology and business, and together, we build tomorrow’s digital infrastructure and ensure that it is available to everyone. Do you want to join us?

Welcome to Security

We are a dedicated team of about 30+ people who every day protect TDC NET, our customers and Denmark's digital infrastructure against both national and international threats. In Security, you will work with colleagues of many nationalities with knowledge and competencies ranging from analysts, security architects and pentesters to physical security, awareness and risk specialists.

We work together as one unit and ensure that TDC NET can deliver a network where security goes hand in hand with stability and functionality. We are driven by values grounded in trust, and we have an ambition that it should be fun to go to work despite the great responsibility it is to be part of the critical national infrastructure.

About the job

At TDC NET we are growing our security team and searching for a Vulnerability Engineer to be part of our journey.

Use your technical skills to ensure a proper prioritization of efforts or use your communication skills to coordinate efforts between multi-disciplinary teams to reduce TDC NET’s attack surface. Do you want to use both skills and support us to automate our processes and further collaborate with operations specialist? That’s even better!

You will be responsible for continuing the development of our vulnerability management program.

“Join a motivated team that is eager to always learn new things and have fun at the closest bouldering gym after work”, says Cristiano Iria, Director at TDC NET Security.

About you

You have a degree or master’s in security, computer science, business or similar. Furthermore, you are familiar with some – not necessarily all - of the following topics:

Experience in detecting, analysing, mitigating, and reporting on vulnerabilities.
Ability to understand complex vulnerabilities and define remediation/mitigation actions with the business.
Demonstrated skills in conducting vulnerability scans.
Experience in conducting analysis on large datasets and correlating information data from different sources.
Familiarity with automation concepts and proficiency in scripting languages.
Experience establishing and maintaining relationships with individuals at all levels of the organization.
Experience in ITSM systems like ServiceNow etc.
Experience in Vulnerability Scanning tools like Rapid7, Nessus, or similar.
Experience with asset management tools like Tanium.
Hands-on experience in conducting penetration testing or incident response is valuable.
Clear and professional communication to facilitate coordination across multidisciplinary teams.

Contact:

If you have questions about the position or want to know more about what it means to work at TDC NET, feel free to reach out to Director at TDC NET Security, Cristiano Iria on +45 40 30 80 38. We look forward to reviewing your application and potentially welcoming you to our team at TDC NET.

Location:

Sletvej 30, Aarhus

Process:

Submit your application - including your CV and a cover letter.

We invite candidates for interviews on a continuous basis, so please apply as soon as possible and no later than 5 June 2026.

You can expect to hear from us within 3 weeks from the application date.

Click here to read more about TDC NET and how it is to work at us.

You apply via ”Apply now” in the top left corner.

We encourage you not to include a photo in your resume or motivational letter. In TDC NET we are dedicated to fostering an inclusive culture that values diversity, and we pride ourselves on providing equal opportunities for everyone. All qualified candidates will be assessed regardless of ethnicity, religion, gender, gender identity, sexual orientation, disability and all the other characteristics that make us different.

We are looking forward hearing from you!

TDC NET - lots of benefits

Engage in meaningful work

The green transition needs a strong digital infrastructure. With us you will take part in delivering the technological solutions.
For all of us.

We provide the working life of the future

We set targets for a healthy and safe working environment.
Our work culture is digital and flexible when compatible with tasks and colleagues.
Welcome to your new hybrid workplace.

Development through challenges - get lots of responsibility from day one

Get responsibility quickly and be a part of the biggest transformation in our field - ever.
Be challenged.

Become part of a strong network

Take part in connecting Denmark together with both new and experienced colleagues and many various professional competencies.
In TDC NET we are both motivated and united by a strong network.