IT Systems & Security Architect
Join a multinational company with a startup spirit. You can make the difference!
Empowered by our motto, "Making Data Matter", Keyrus stands at the forefront of global consultancy in Data & Analytics, AI & Machine Learning, and Digital Transformation. With a presence in 27 countries across 4 continents, we're on a mission to elevate the impact of data.
We are data experts, guiding our clients through their data journey regardless of their level of maturity in analytics. As an end-to-end partner, we address varied challenges that our clients face, from Advanced Analytics, Cloud, Data Governance, Visualisation to Enterprise Performance Management, from advisory to delivery.
With more than 3200 employees in all corners of the world, Keyrus is dedicated to helping businesses taking advantage of the Data and Digital paradigm to enhance their performance, facilitating, and accelerating their transformation, and generating new drivers of growth, competitiveness, and sustainability.
Job Summary
Keyrus is looking for an IT Systems & Security Architect to support the creation of a new cross-country platform aimed at managing key business processes. The role focuses on secure system and application design, cloud systems optimization, and infrastructure improvement. You will collaborate with development teams and other security architects to ensure a secure, scalable, and resilient architecture aligned with the organization's evolving needs.
This position is Hybrid Porto - 3x per week.
Note: All applications/CV’s must be submitted in English.
Key Responsibilities
- Maintain and continuously improve architecture design across systems and applications
- Produce and maintain detailed technical documentation, including High-Level Solution Designs (HLSD) and Solution Architecture Documents (SAD)
- Identify deficiencies in applications and systems, and provide structured technical feedback to development teams
- Map the full IT/system landscape and identify architectural gaps or vulnerabilities
- Design tailored solutions that align with infrastructure and InfoSec developments (e.g., IaaS, cloud evolution)
Requirements for the role
- Minimum 7 years of experience in system architecture design, including the development of scalable, secure, and high-performing solutions
- Hands-on experience in creating and maintaining technical documentation, such as HLSDs and SADs
- Experience in IT infrastructure assessment, with the ability to identify architectural gaps and optimisation opportunities
- Working experience with cloud systems (e.g., Azure, AWS, GCP) with proven experience in cloud performance optimisation and deployment models (IaaS, PaaS)
- Experience in security architecture, collaborating with InfoSec teams to ensure compliance with best practices and standards
- Demonstrated ability to collaborate effectively with development teams and cross-functional stakeholders in hybrid and agile environments
- Strong skills in designing and maintaining architecture maps of complex IT environments
- Solid understanding of enterprise IT systems, networking, and security principles
- Fluent in English
- Must be a Portuguese or European citizen or have a work permit for Portugal
What we offer at Keyrus Portugal:
- Competitive salary based on your skills & experience and according to the Data market practice
- Meal allowance of €8.32 per day
- Flexible benefits option
- Private Medical Insurance
- 22 days of annual leave (increasing every 3 years up to a maximum of 25 days)
- Training Program through KLX (Keyrus Learning Experience) Platform
Why Keyrus?
Joining Keyrus means joining a market leader in the Data Intelligence field and an (inter)national player in Management Consultancy and Digital Experience.
Keyrus Portugal operates on five guiding pillars that shape our approach to work and collaboration – Diversity; Trust; Flexibility; Ownership & Innovation - we're dedicated to cultivating a team as diverse as the challenges we take on.
We embrace and celebrate the rich variety of backgrounds, perspectives, and talents that each individual brings. We firmly believe that diversity fuels innovation, ignites creativity, and propels us towards greatness.
Regardless of race, ethnicity, gender, sexual orientation, disability, age, or any other dimension of diversity, everyone is not only welcome but valued here.
Join us in shaping a future where everyone can thrive!
- Locations
- Porto
- Remote status
- Hybrid
- Yearly salary
- 39 - 44

About Keyrus Portugal
At Keyrus Portugal, we're more than just a company - we're a constellation of bright minds and innovative souls.
If you're seeking a place where your passion meets purpose, where every project is a canvas and every challenge an opportunity, then look no further.
Join us, and be a part of a community that's shaping the digital frontier. At Keyrus Portugal, your journey to greatness begins.
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