Technical Expert in Secure Application Development

Antwerpen, Gent, Hasselt, Leuven
Security, Architecture, Software Development
Professional, Freelancer
#LI-MV5

We are looking for a technical expert in secure application development to join our team. In this role, you will facilitate functional development teams with security challenges, investigate and solve cross-team technical security initiatives and incidents, advise on security posture and be the subject matter expert. You will support multiple teams from a technical security point of view, including architecture, application lifecycle management, infrastructure, DevSecOps, and coding.

  • You have a deep understanding of Cegeka’s Information Security Management System (ISMS) and assist teams in achieving compliance with the ISMS policies.
  • You are knowledgeable in security standards like ISO27001 and security legislation like NIS2, DORA, and assist project teams in achieving compliance.
  • You manage and address cross-team application security concerns.
  • You seek the best possible solutions for architectural security features.
  • You build feedback loops in all teams to ensure continuous improvement and rapid action in case of security incidents.
  • You support Cegeka teams in daily operational security activities by providing advice on security.
  • You analyze and report the results of vulnerability scans and software composition analysis and advise on mitigating actions.
  • You understand project security risks adequately and translate security requirements into an action plan.
  • You act as a sounding board within Cegeka’s application division and actively contribute to security awareness for project teams, programs, and management.
  • You assist in building out secure development pipelines.
  • You help teams in performing threat analysis.

What you need to succeed:

  • You have strong analytical skills to solve complex technical requirements and challenges.
  • You enjoy helping multiple teams with their technical challenges.
  • You have knowledge of security frameworks, standards, concepts, and practices around software development.
  • You have a researcher mentality: able to dive into the details and discuss the best technical security solutions with developers, management, and customers.
  • You have a hands-on and proactive mindset.
  • You have a can-do attitude and flexibility to handle different customers, technologies, and services.
  • You have strong technical knowledge and a desire to continuously deepen it.
  • You have at least 5 years of experience in bespoke software development.
  • You have the ambition to become an expert in secure application development.
  • You hold a bachelor's/master's degree or equivalent through experience.
  • Depending on your place of residence, you can work in our offices in Hasselt, Leuven, Ghent, or Antwerp in combination with working from home. You will also occasionally work at our customers' premises.

What are we offering:

  • We ask a lot of you and your talents! Fortunately, you also get a lot in return! Competencies and character are essential to us, alongside experience and ambitions. Cegeka continuously invests in talent management so that every employee can realise his potential.
  • You will join a Top Employer!
  • A competitive salary completed with fringe benefits. An electrical company car with charging card or mobility budget, lunch vouchers, eco vouchers, interesting group and hospitalisation insurance, a mobile phone subscription, flat-rate expense allowances, a powerful laptop and the opportunity to give your salary package a personal touch thanks to our Flex Reward Plan. 
  • Flexible working hours and a nice work/life balance.
  • A top team: in which new fresh ideas and initiatives are always welcome! Team events, monthly happy hours and an always legendary company party are also part of this.
  • Tailormade guidance: throughout your career, you will be guided by our people managers. So you have a point of contact, a personal coach and a sparring partner.
  • Continuous learning: through innovation centres, reading groups, knowledge sharing meetings, hackathons, participation in conferences and external training courses, we focus on knowledge sharing and learning. 
  • Opportunity to grow: depending on your own interests and initiatives, Cegeka offers various horizontal and vertical career paths.
  • Hybrid working: you work from a Cegeka office in your area (Hasselt, Leuven, Antwerp, Ghent), but also from the agencies of the Flemish Government (Ghent or Brussels within walking distance of the station), combined with working from home.
  • We value sustainability by pursuing carbon neutrality with the electrification of our vehicle fleet and an eco-friendly data center. We develop innovative solutions with a positive impact on the environment, people and society, and strive for an inclusive and diverse work environment where everyone is valued and heard.

Aspire to more: our promise to you!

At Cegeka you get all the opportunities you need to develop further as a professional. Together we discover what you really want to do for our clients and colleagues. We would like to invite you to grow with us. In an unprecedented variety of challenging and meaningful IT projects. Make your mark on projects with interesting customers where we can make the difference. Aspire to more!


We are always working together here. Intensively, with lots of fun and commitment. It is a culture driven by family values: full of trust, people-oriented, open, loyal and respectful. We offer a lot of freedom and responsibility. We want you to be part of the next phase of a proud, successful, fast-growing, innovative, European IT company full of ambitions.

Application flow

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