The English-language job board for Spain

SpainJobs.io

5G NTN Test Engineer (Junior)

Hybrid in Barcelona·Full-time·Added 10 days ago

Sateliot

32 open roles

Apply

Overview

Job details

  • Full-time hours

    Per the ad.

  • Hybrid

    Office and home days — the ad has the split.

Requirements

  • Have the right to work in Spain

    Sateliot doesn't mention sponsorship in the ad.

  • Work in English

    English is required, per the ad.

  • Be near Barcelona for hybrid days

    No relocation package mentioned.

  • University degree

    “Degree in Telecommunications Engineering (or final-year student / recent graduate).” — per the ad.

Pay & benefits

What you'll get

  • Full-time permanent contract.

  • Hybrid work model, with schedule flexibility - we focus on results, not hours.

  • Flat and transparent organizational structure.

  • Buddy Program to support your integration during your first month.

  • Growth: we cover 50% of courses or master's degrees (up to 5% of your salary), plus Spanish and Catalan classes.

  • Health & balance: 50% on private health insurance and Urban Sports Club, fresh fruit in the office, and the possibility of sharing the cost of bicycle transport.

  • Flexible compensation through Cobee (meal, transport, kindergarten).

  • Catering: if you don't have time to cook, we partner with a catering company so a fresh meal is sorted.

  • On-site parking, with Sateliot covering 50% of the cost - plus free bike parking.

  • A truly global team: 20+ nationalities building something genuinely new.

  • The chance to be part of one of the most exciting and disruptive space projects in Europe.

Requirements

What we're looking for

  • Degree in Telecommunications Engineering (or final-year student / recent graduate).

  • Familiarity with IPX networks, 5G networks, roaming setup, and interconnection models (through coursework, internships, or early professional experience).

  • Basic knowledge of IP networking protocols (IPv4/IPv6, DNS, routing, VPN).

  • Exposure to testbeds and telecom monitoring tools (e.g., Wireshark, protocol analyzers).

  • Basic Linux user skills.

  • Strong communication and coordination skills - you'll work with international MNOs and technical partners.

  • Analytical and troubleshooting mindset applied to telecom environments.

  • Ability to manage tasks independently and juggle parallel technical activities.

  • Availability to travel when needed for PoCs and integration projects abroad.

  • Good level of English (spoken and written); additional languages are a plus.

Nice to have

  • Understanding of mobile and satellite communication protocols, including NB-IoT, LTE-M, 3GPP NTN, and LEO technologies.

The role

Sateliot is a Barcelona-based satellite company with one goal: connect everything, everywhere. Founded in 2018, we've built the first satellite constellation that lets standard commercial devices communicate directly from space. Our technology bridges the gaps that terrestrial networks will never reach, bringing affordable and secure connectivity to industries, governments, and communities across the planet.
Learn more: https://sateliot.space/

What you'll do

  • Support and help manage Proofs of Concept (PoCs) with Mobile Network Operators, both in the lab and, when required, on-site in the MNO's country.

  • Provide technical support during MNO integration processes, including IPX and NTN network elements.

  • Execute test passes and service validations, ensuring alignment with integration requirements.

  • Analyze and report test results, identify anomalies, and help propose technical solutions.

  • Collaborate with internal engineering, product, and operations teams to resolve technical blockers during integration.

  • Contribute to documentation of procedures, integration steps, and lessons learned from each MNO onboarding.

  • Act as a technical point of contact with MNO technical teams during integration and validation activities, under the guidance of senior team members.

Additional requirements

  • English proficiency: professional working proficiency in written and spoken English.

  • Location: based in Barcelona; hybrid work model.

  • Operational availability: occasional travel abroad for PoCs and MNO integration activities.

How we work

We lead with humility, move fast, and take ownership. We collaborate without ego and measure ourselves by real impact, not titles or hierarchy. We hire people who already live these values.

About Sateliot

Sateliot is a Barcelona-based company operating in the space tech sector, specializing in low-Earth orbit (LEO) satellite connectivity for the Internet of Things (IoT). The company builds and operates a constellation of small satellites that provide global, continuous connectivity for devices in remote areas where terrestrial networks are unavailable, effectively creating a 'space-based' telecom operator. Sateliot's scale is that of a growth-stage startup, with a workforce of around 100 employees, and it has secured significant funding rounds to deploy its satellite constellation.

Sateliot's headquarters and main operations are in Barcelona, Spain, which is also the hub for its engineering, product, and business teams. The company's work culture is that of a fast-moving, deep-tech startup, with a strong emphasis on R&D and innovation. For international professionals, Sateliot offers a compelling opportunity to work on cutting-edge space technology in a European startup environment, with roles spanning from software and firmware engineering to AI and project management. The company is actively hiring for a variety of technical and non-technical positions, making it an accessible entry point for international talent looking to enter the space industry in Spain.

Industry
Space Tech
Founded
2019
Employees
50–200
Headquarters
Barcelona, Spain
In Spain
Barcelona
Website
sateliot.com

Good to know if you are moving

  • Barcelona is the company's global HQ, so most roles are based there, offering a chance to live in a major Mediterranean tech hub.
  • The company works in English, making it accessible for international professionals who do not speak Spanish.
  • Sateliot is a deep-tech startup, so roles involve hands-on work on satellite communications, firmware, and AI, offering strong career development in a niche industry.
  • The company has raised significant funding, indicating a stable runway and growth potential for early employees.
  • Spain's space sector is emerging, and Sateliot is one of its most prominent startups, offering a unique opportunity to be in on the ground floor.

In their own words

About the company & team

The Network Integration & Validation team leads Proofs of Concept (PoCs) with Mobile Network Operators (MNOs) worldwide, validating how Sateliot's NTN and IPX services integrate into live 5G networks. This is a junior role, ideal for an early-career telecom engineer who wants hands-on exposure to real MNO integrations, lab and field testing, and end-to-end service validation - with the support of senior engineers on the team.

All open roles at Sateliot

Location

Sateliot · Barcelona

Loads Google Maps, which may set its own cookies.

Tags

More jobs like this

or browse Barcelona·Engineering·Junior·Hybrid·Aviation & Aerospace·Rockets & Satellites·Catalonia·Space Tech

WhatsApp

More jobs from Sateliot

Related Jobs