Telecommunications and Security Designer, Data Centers (Helsinki)

We are looking for an experienced telecommunications and security design expert for our client to work on demanding and security-critical projects. In this role, you will work on diverse projects where security solutions play a key role in the success of the project.

Your work will focus on defining customers' security objectives, assessing risks, and directing the design of appropriate security solutions. You will act in an expert role in projects from the early stages and ensure that security is considered in both design and implementation throughout the entire project. If necessary, you will also participate in practical telecommunications and security design.

Projects are primarily demanding security targets, such as data centers, authority and public administration buildings, and other critical operating environments. The position offers the opportunity to participate in international projects as well.

We hope you have

• Experience in designing and developing security solutions
• Strong expertise in risk analyses, risk assessments, and security clearances
• A good understanding of the physical security of buildings and security systems
• Experience in defining security concepts, design guidelines, and technical requirements
• The ability to direct design and act as a security expert with various stakeholders
• Experience with security-critical sites, such as data centers or public administration environments
• Fluent English language skills
• A solution-oriented and goal-oriented approach to work, as well as the ability to bring things to completion in practice

You will succeed in the role if

You know how to combine technical security expertise with business and customer objectives. You can justify your solutions convincingly, communicate smoothly with different stakeholders, and make decisions even in demanding situations. You work systematically, but also collaboratively and practically.

We offer the opportunity to participate in technically demanding and international data center projects, where you will play a central role in ensuring the quality, security, and operational reliability of electrical systems.

If you are interested in the position, please apply as soon as possible, as vacancies are filled as soon as suitable candidates are found. Send your application and CV along with your salary expectations via the application link provided. Please note that we interview potential applicants during the application period.

Take a look at our employee video on direct recruitment

Mestarit Henkilöstöpalvelut Oy is a personnel service company operating in the construction and building technology industries. We produce personnel service solutions for companies with strong professional expertise. For our employees, we are a safe and reliable employer and a gateway to new challenges in the construction industry. Mestarit's operations are based on strong partnerships and a customer-oriented approach.

Contact information: prorekrytointi@henkilostomestarit.fi Workplace address: 00100, Helsinki Notice posted: 30.9.2026 Application period ends: 14.10.2026 Työmarkkinatori advertisement number: e5100435-c382-4615-8521-f970cefae970

Source: Työmarkkinatori customer information system. </body><<<