Would you be interested in driving the
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system architecture and observability strategy for a next-generation aviation platform within a leading global tech multinational, working in a brand-new team created
from scratch
in Barcelona?
From
Oxigent Technologies, we are selecting a
Senior System Engineer
to join a
strategic modernization project based
in
Barcelona (Poblenou) .
In this role, you will play a
critical role in designing, building, and deploying the software platforms that will transform how global Datalink services are monitored, configured, and operated — modernizing legacy systems and defining the future architecture alongside international engineering teams across general infrastructure.
What will your main responsibilities be?
System Engineering:
Drive the architecture, definition and design
of next-generation Datalink Monitoring, Observability, Provisioning, and Configuration Management platforms.
Enforce engineering quality
through modern system definition, design practices, observability, and secure-by-design principles.
Participate in technical reviews
to ensure high-quality, maintainable, scalable, and supportable solutions.
Platform Modernization:
Contribute to the modernization of legacy assets
while supporting operational continuity.
Design provisioning and telemetry capabilities
leveraging
Kafka ,
Grafana Labs
ecosystems (Alloy, Loki, Mimir, Prometheus), and
OpenTelemetry Protocol .
Ensure proposed solutions are resilient, scalable, and production-ready
for long-term platform evolution.
Leverage state-of-the-art AI-powered tools
to increase productivity in system definition, documentation, and requirements management.
Cross-Team Collaboration:
Work closely with software engineers, architects, product managers, and operations teams
across Barcelona and Montreal.
Guide and align with the development team,



contributing to technical strategy and long-term platform evolution.
What will you need to succeed?
Key Technical Background:
Solid background and understanding of
C# and .NET
environments to effectively interface with software engineering teams and platform architecture.
Systems & Network Engineering:
10+ years
of experience as a Senior System Engineer or equivalent technical role in
complex software, networking, or platform environments.
Observability & Telemetry Stack:
Strong hands-on experience with
Grafana Labs tools
(Alloy, Loki, Mimir/Prometheus, Grafana),
OpenTelemetry, and event-streaming
technologies like Kafka.
Integration & Microservices:
Proven experience in platform/network system integration, monitoring, configuration management, APIs, and distributed systems.
AI Tools:
Proficiency in leveraging AI-powered tools for requirements management, static analysis, and documentation generation.
Languages:
Fluent / Very High level of English
(C1+), to coordinate technical discussions in an international environment.
Education:
Bachelor’s or Master’s degree in Computer Science, Telecommunications, or related engineering field.
Nice to Have: Background in
Aviation, Telecommunications, or Mission-Critical systems.
What do we offer?
Contract options:
Permanent Contract or Freelance, whichever you prefer.
Competitive Compensation: Payroll / Permanent Contract:
Up to
65,000€ gross annual salary / Freelance Rate:
Around
400€ / day.
Work Model:
Hybrid model
(3 days in-office in Poblenou, Barcelona / 2 days remote).
Private Medical Insurance
included.
Training Voucher
to develop your professional skills in areas of your interest.
Flexible Remuneration Plan
applicable to health insurance, meal vouchers, transport, childcare, and training.
Fitness & Sports Pass
app access with discounts for gyms and sports activities across Spain.
And many other corporate benefits!
Join the Oxigent team! xhfqzwm
We are committed to sustainability, equal opportunity, and fostering talent in a diverse, technology-driven environment.

📌 Senior System & Platform Engineer – Observability (C) (Barcelona)
🏢 Oxigent Technologies
📍 Barcelona