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System Engineer

Thales

Engineering Jobs

System Engineer

full-timePosted: Jan 7, 2026

Job Description

JOB DESCRIPTION
Location: Tubize, Belgium

In fast changing markets, customers worldwide rely on Thales. Thales is a business where brilliant people from all over the world come together to share ideas and inspire each other. In aerospace, transportation, defence, security and space, our architects design innovative solutions that make our tomorrow's possible.

Thales people architect solutions at the heart of the defence-security continuum. Interoperable and secure information and telecommunications systems for defence, security, and civil operators, are based upon innovative use of radiocommunications, networks, and cybersecurity. We are ground breaking new digital technologies such as 4G/5G mobile communications, cryptography, cloud computing and big data for use in physical protection systems, and critical information systems.

System Engineering


CANDIDATES THAT WOULD IMPRESS US

Profile


With an engineering background or an equivalent Master's degree (BAC+5), you
have experience in systems engineering or a background as an IT engineer.
For this role, you should possess the following skills:
Demonstrated experience in the design of infrastructure and network
architectures
Demonstrated experience in the design of network architectures in line
with security standards and policies
Experience in defense projects and/or critical infrastructures
Good understanding and knowledge of IT systems, IP networks and serial
protocols.
In-depth knowledge of network protocols, such as TCP/IP, DHCP, DNS and
VLAN.
Experience using requirements management tools (e.g.: POLARION).
Experience with modelling tools, such as Capella or Enterprise Architect.
A background in software development would be a plus.
Knowledge of crypto systems would be considered a plus.
Knowledge of quantum technologies and AI would be considered a plus
Experience in the following environments: Windows/Linux, Jenkins, GIT
equivalent, and JIRA.
Your interpersonal skills, rigor, and autonomy will enable you to
successfully complete your missions.


Main Responsibilities


Your main tasks will be as follows:
Participate in defining and drafting network specifications.
Formalize specifications for solution components, architectural design, and
produce associated deliverables.
Contribute to establishing and maintaining upstream reference
documentation (SSS, ICD, and SSDD).
Provide support to the IVVQ teams and the developers in place.
Contribute to drafting justification and certification documentation.
Contribute to the analysis of technical facts or encountered anomalies,
propose solutions, and prioritize version scope.

You will be the technical leader for the topics assigned to you.
Team player;
Pragmatic, assertive and well organized;
Ability to work independently when needed and be proactive;
Innovative and creative mindset;
Good communication skills, both verbally and written. Fluency in English (
B2) is mandatory. Knowledge of French and/or Dutch is desirable;
Demonstrated initiative to learn new technologies, analytical and problem-
solving skills

YOUR CAREER AT THALES

Future opportunities will allow you to discover other domains or sites. You will be able to evolve and grow your Competencies in different areas:

Room for and attention to personal development
Build your talents in another domain of Thales Group, discovering new products, new customers, new country or move to a more complex Solution
Choose between a technical expert or a leadership path
Build an international career within a leading Engineering Group

At Thales we provide CAREERS and not only jobs. With Thales employing 80,000 employees in 68 countries our mobility policy enables thousands of employees each year to develop their careers at home and abroad, in their existing areas of expertise or by branching out into new fields. Together we believe that embracing flexibility is a smarter way of working. Great journeys start here, apply now!

Locations

  • Tubize, Tubize 1480

Salary

Estimated Salary Rangemedium confidence

55,000 - 75,000 EUR / yearly

Source: ai estimated

* This is an estimated range based on market data and may vary based on experience and qualifications.

Skills Required

  • In-depth knowledge of network protocols (TCP/IP, DHCP, DNS, VLAN)intermediate
  • Experience using requirements management tools (e.g., POLARION)intermediate
  • Experience with modelling tools (e.g., Capella, Enterprise Architect)intermediate
  • Experience in Windows/Linux environmentsintermediate
  • Experience with Jenkins, GIT equivalent, and JIRAintermediate
  • Interpersonal skillsintermediate
  • Rigorintermediate
  • Autonomyintermediate
  • Team playerintermediate
  • Pragmatic, assertive, and well organizedintermediate
  • Ability to work independently and be proactiveintermediate
  • Innovative and creative mindsetintermediate
  • Good communication skills (verbal and written)intermediate
  • Fluency in English (≥ B2)intermediate
  • Analytical and problem-solving skillsintermediate
  • Demonstrated initiative to learn new technologiesintermediate

Required Qualifications

  • Engineering background or equivalent Master's degree (BAC+5) (experience)
  • Experience in systems engineering or IT engineer background (experience)
  • Demonstrated experience in the design of infrastructure and network architectures (experience)
  • Demonstrated experience in the design of network architectures in line with security standards and policies (experience)
  • Experience in defense projects and/or critical infrastructures (experience)
  • Good understanding and knowledge of IT systems, IP networks and serial protocols (experience)

Preferred Qualifications

  • Background in software development (experience)
  • Knowledge of crypto systems (experience)
  • Knowledge of quantum technologies and AI (experience)
  • Knowledge of French and/or Dutch (experience)

Responsibilities

  • Participate in defining and drafting network specifications
  • Formalize specifications for solution components, architectural design, and produce associated deliverables
  • Contribute to establishing and maintaining upstream reference documentation (SSS, ICD, and SSDD)
  • Provide support to the IVVQ teams and the developers in place
  • Contribute to drafting justification and certification documentation
  • Contribute to the analysis of technical facts or encountered anomalies, propose solutions, and prioritize version scope
  • Act as the technical leader for the topics assigned

Benefits

  • general: Room for and attention to personal development
  • general: Opportunities to build talents in another domain of Thales Group, new products, customers, or countries
  • general: Choice between technical expert or leadership path
  • general: Build an international career within a leading Engineering Group
  • general: Mobility policy enabling careers at home and abroad
  • general: Embracing flexibility in working

Target Your Resume for "System Engineer" , Thales

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Tags & Categories

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Thales logo

System Engineer

Thales

Engineering Jobs

System Engineer

full-timePosted: Jan 7, 2026

Job Description

JOB DESCRIPTION
Location: Tubize, Belgium

In fast changing markets, customers worldwide rely on Thales. Thales is a business where brilliant people from all over the world come together to share ideas and inspire each other. In aerospace, transportation, defence, security and space, our architects design innovative solutions that make our tomorrow's possible.

Thales people architect solutions at the heart of the defence-security continuum. Interoperable and secure information and telecommunications systems for defence, security, and civil operators, are based upon innovative use of radiocommunications, networks, and cybersecurity. We are ground breaking new digital technologies such as 4G/5G mobile communications, cryptography, cloud computing and big data for use in physical protection systems, and critical information systems.

System Engineering


CANDIDATES THAT WOULD IMPRESS US

Profile


With an engineering background or an equivalent Master's degree (BAC+5), you
have experience in systems engineering or a background as an IT engineer.
For this role, you should possess the following skills:
Demonstrated experience in the design of infrastructure and network
architectures
Demonstrated experience in the design of network architectures in line
with security standards and policies
Experience in defense projects and/or critical infrastructures
Good understanding and knowledge of IT systems, IP networks and serial
protocols.
In-depth knowledge of network protocols, such as TCP/IP, DHCP, DNS and
VLAN.
Experience using requirements management tools (e.g.: POLARION).
Experience with modelling tools, such as Capella or Enterprise Architect.
A background in software development would be a plus.
Knowledge of crypto systems would be considered a plus.
Knowledge of quantum technologies and AI would be considered a plus
Experience in the following environments: Windows/Linux, Jenkins, GIT
equivalent, and JIRA.
Your interpersonal skills, rigor, and autonomy will enable you to
successfully complete your missions.


Main Responsibilities


Your main tasks will be as follows:
Participate in defining and drafting network specifications.
Formalize specifications for solution components, architectural design, and
produce associated deliverables.
Contribute to establishing and maintaining upstream reference
documentation (SSS, ICD, and SSDD).
Provide support to the IVVQ teams and the developers in place.
Contribute to drafting justification and certification documentation.
Contribute to the analysis of technical facts or encountered anomalies,
propose solutions, and prioritize version scope.

You will be the technical leader for the topics assigned to you.
Team player;
Pragmatic, assertive and well organized;
Ability to work independently when needed and be proactive;
Innovative and creative mindset;
Good communication skills, both verbally and written. Fluency in English (
B2) is mandatory. Knowledge of French and/or Dutch is desirable;
Demonstrated initiative to learn new technologies, analytical and problem-
solving skills

YOUR CAREER AT THALES

Future opportunities will allow you to discover other domains or sites. You will be able to evolve and grow your Competencies in different areas:

Room for and attention to personal development
Build your talents in another domain of Thales Group, discovering new products, new customers, new country or move to a more complex Solution
Choose between a technical expert or a leadership path
Build an international career within a leading Engineering Group

At Thales we provide CAREERS and not only jobs. With Thales employing 80,000 employees in 68 countries our mobility policy enables thousands of employees each year to develop their careers at home and abroad, in their existing areas of expertise or by branching out into new fields. Together we believe that embracing flexibility is a smarter way of working. Great journeys start here, apply now!

Locations

  • Tubize, Tubize 1480

Salary

Estimated Salary Rangemedium confidence

55,000 - 75,000 EUR / yearly

Source: ai estimated

* This is an estimated range based on market data and may vary based on experience and qualifications.

Skills Required

  • In-depth knowledge of network protocols (TCP/IP, DHCP, DNS, VLAN)intermediate
  • Experience using requirements management tools (e.g., POLARION)intermediate
  • Experience with modelling tools (e.g., Capella, Enterprise Architect)intermediate
  • Experience in Windows/Linux environmentsintermediate
  • Experience with Jenkins, GIT equivalent, and JIRAintermediate
  • Interpersonal skillsintermediate
  • Rigorintermediate
  • Autonomyintermediate
  • Team playerintermediate
  • Pragmatic, assertive, and well organizedintermediate
  • Ability to work independently and be proactiveintermediate
  • Innovative and creative mindsetintermediate
  • Good communication skills (verbal and written)intermediate
  • Fluency in English (≥ B2)intermediate
  • Analytical and problem-solving skillsintermediate
  • Demonstrated initiative to learn new technologiesintermediate

Required Qualifications

  • Engineering background or equivalent Master's degree (BAC+5) (experience)
  • Experience in systems engineering or IT engineer background (experience)
  • Demonstrated experience in the design of infrastructure and network architectures (experience)
  • Demonstrated experience in the design of network architectures in line with security standards and policies (experience)
  • Experience in defense projects and/or critical infrastructures (experience)
  • Good understanding and knowledge of IT systems, IP networks and serial protocols (experience)

Preferred Qualifications

  • Background in software development (experience)
  • Knowledge of crypto systems (experience)
  • Knowledge of quantum technologies and AI (experience)
  • Knowledge of French and/or Dutch (experience)

Responsibilities

  • Participate in defining and drafting network specifications
  • Formalize specifications for solution components, architectural design, and produce associated deliverables
  • Contribute to establishing and maintaining upstream reference documentation (SSS, ICD, and SSDD)
  • Provide support to the IVVQ teams and the developers in place
  • Contribute to drafting justification and certification documentation
  • Contribute to the analysis of technical facts or encountered anomalies, propose solutions, and prioritize version scope
  • Act as the technical leader for the topics assigned

Benefits

  • general: Room for and attention to personal development
  • general: Opportunities to build talents in another domain of Thales Group, new products, customers, or countries
  • general: Choice between technical expert or leadership path
  • general: Build an international career within a leading Engineering Group
  • general: Mobility policy enabling careers at home and abroad
  • general: Embracing flexibility in working

Target Your Resume for "System Engineer" , Thales

Get personalized recommendations to optimize your resume specifically for System Engineer. Takes only 15 seconds!

AI-powered keyword optimization
Skills matching & gap analysis
Experience alignment suggestions

Check Your ATS Score for "System Engineer" , Thales

Find out how well your resume matches this job's requirements. Get comprehensive analysis including ATS compatibility, keyword matching, skill gaps, and personalized recommendations.

ATS compatibility check
Keyword optimization analysis
Skill matching & gap identification
Format & readability score

Tags & Categories

DefenseAerospaceCybersecurityDefenseAerospaceTechnology

Answer 10 quick questions to check your fit for System Engineer @ Thales.

Quiz Challenge
10 Questions
~2 Minutes
Instant Score

Related Books and Jobs

No related jobs found at the moment.