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Salary
≈ $38k – $107k per year (Estimated)
Location
Hybrid (Brussels, Belgium)
Seniority
Middle · 1+ year exp
Employment
Full-Time

Confirmed on the employer's own hiring board on Oct 15, 2026. First seen by Alion on Oct 5, 2026. Sia scores B on the Alion truth index.

Overview
Company
Impact
Profile match

Sia

Sia is a French management consultancy founded in 1999, known until 2024 as Sia Partners, that combines traditional strategy and operations advice with a large in-house data and artificial intelligence capability. Its consultants work for banks, insurers, energy and utility companies, telecommunications operators and public sector clients on transformation, regulation, risk and technology programmes, supported by its own AI products rather than only slide-based recommendations. Headquartered in Paris, the firm employs several thousand consultants across Europe, North America, the Middle East and Asia.

Sia is a next-generation, global management consulting group. Founded in 1999, we were born digital. Today our strategy and management capabilities are augmented by data science, enhanced by creativity and driven by responsibility. We’re optimists for change and we help clients initiate, navigate and benefit from transformation. We believe optimism is a force multiplier, helping clients to mitigate downside and maximize opportunity. With expertise across a broad range of sectors and services, our 3,000 consultants serve clients worldwide from 48 locations in 19 countries. Our expertise delivers results. Our optimism transforms outcomes.

Within Sia, you will join our Cybersecurity & AI Trust Business Unit. Supervised by experienced consultants, and in line with your appetites and choice of expertise, you will be required to work - both in Consulting, Implementation and Audit - on one or more of our following offers :

Cyber Strategy:

  • Cyber for Boards & Executives; Cyber Target Operating Model; Cyber M&A Due Diligence
  • Cyber Transformation; Cyber Maturity Assessment & Rating; Cyber Mentoring for Startups
  • CISOaaS | DPOaaS | BCMaaS | CMaaS

Cyber Risk:

  • Cyber Risk Management; Cyber Risk Assessment & Treatment; Cyber Risk Quantification
  • Third-Party Risk Management; Cyber Insider Risk; Cyber Risk Analytics & Reporting
  • Cyber Risk Review SaaS: C2R

Cyber Compliance:

  • Cyber Compliance Management: ISO 270xx, ISO 27701, ISO 223xx, BS 11200, LPM, NIS Directive, GDPR, SecNumCloud, RGS/PSSIE, SWIFT CSP, DSP2, HDS, PCI DSS, PA DSS, NIST
  • Cyber Assurance Framework
  • Data Privacy Assurance

Cyber Operations:

  • Cloud Security
  • TO | SCADA | ICS Security; IoT | IIoT | WoT Security
  • Security Architecture; Security Setup
  • Infrastructure & Endpoint Protection; Data Protection Technologies
  • MOI | WFP | AGI | CIAM | DAG
  • SSDLC | SecDevOps
  • Cryptography | Encryption

Cyber Resilience:

  • Threat hunting; Digital Forensics; Incident response
  • Vulnerability and Patch Management
  • Penetration Testing | Red Teaming
  • Wargaming and Crisis Management
  • IT Service Continuity Management; Business Continuity Management
  • Physical Security & Safety
  • Operational Resilience SaaS: STORM

In addition to your missions and as part of your participation in the internal development of the firm, you participate in:

  • Innovation within our Sia CyberLab, where you work on the development of new SaaS offers and solutions around advanced technologies and capitalizing on our unique know-how in AI. You also carry out benchmarks and PoCs of Cyber solutions on the market, while participating in active monitoring of Cyber news.
  • Promote the firm, around our Cybersecurity expertise, by actively contributing to the publication plan (articles, insights, white papers, studies, webinar, etc.), and represent the firm at various professional clubs, fairs and events.
  • You have a Master's degree engineering/computer science/statistics/econometrics.
  • You have 1-3 years relevant working experience within a consultancy firm with experience in cybersecurity projects.
  • You have a strong interest in data and AI-related topics, the ability to quickly build expertise in these areas, and you’re excited about helping our clients seize the opportunities they offer.
  • Knowledge in Python, C++, Java, Ruby, Node, Go, and/or Power Shell.
  • Knowledge in IP Networks, Operating Systems (Unix / Linux, Windows and/or macOs), Cloud (AWS, Azure and/or GCP), Applications (Web Server, BDD, Middleware, etc) as well as Cryptography; knowledge in Blockchain would be a real plus.
  • You're a fast learner, communicative, flexible and entrepreneurial
  • Language skills: French, Dutch and English
  • Prepared to participate in temporary assignments abroad (e.g. France, The Netherlands)

What do we offer ?

  • Competitive salary with great extra advantages: a company car or flexible mobility plan, a clear and structured yearly salary increase and bonuses.
  • Flexible transport options that match your personal needs.
  • Training plan to develop yourself as an expert in your discipline.
  • You have the opportunity to work from home, the client or from our inspiring office in Brussels.
  • Working in an international environment which creates opportunities to share knowledge and work together on international projects with colleagues all over the world.

Additional information

We are unable to provide a work permit for this position

Sia is certified "Great Place to Work". Come and join us to take part in this great company.

Sia is an equal opportunity employer. All aspects of employment, including hiring, promotion, remuneration, or discipline, are based solely on performance, competence, conduct, or business needs.

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