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Senior Security Engineer


Job Location:

Brussels - Belgium

Monthly Salary: Not provided by the employer
Posted: 9 August 2026 (26 days ago)
Application Deadline: 6 November 2026
Vacancies: 1 Vacancy

Job Summary

Our client a leading Software Information and Communication Technologies company operates internationally (Athens Brussels Luxembourg Copenhagen Stockholm London Nicosia Hong-Kong Valetta etc). Our client is a renowned supplier of IT services to government institutions multinational corporations public administrations and multinational companies research and academic institutes.


Role Overview

Our clientcurrently has a vacancy for a Senior Security Engineer to offer his/her services as an expert the context of the first assignment the successful candidate will be integrated in the team of the company that will closely cooperate with a major clients IT team on site.

Job type: Full Time / Permanent

Location: Belgium

Workplace: Remote

Please note that we can consider only EU candidates for this position due to security clearance.

Requirements

  • University degree in IT or relevant discipline combined with minimum 10 years of working experience in software systems security cyber security and information security practices;
  • Proven experience designing developing and delivering end-to-end authentication authorization and data protection solutions for enterprise environments;
  • Proven experience with enterprise security technologies and protocols including SSL/TLS X.509 SAML OAuth OpenID Connect JWT AWS KMS KMIP and PKCS#11;
  • Experience designing developing and securing both on-premises and cloud-based security solutions;
  • Experience securing complex enterprise environments including data centers and distributed infrastructures;
  • Experience applying Secure Software Development Lifecycle (SSDLC) principles and security-by-design practices;
  • Experience working in Agile software development environments and using modern collaboration and DevSecOps tools;
  • Knowledge of programming and scripting for developing automating and integrating cybersecurity solutions;
  • Knowledge of Linux and Unix operating systems including secure configuration administration and system hardening.
  • Knowledge of network architecture and security including TCP/IP HTTP/HTTPS IPsec routing protocols firewalls routers and switches;
  • Knowledge of cryptographic concepts and algorithms including AES GCM PBKDF2 HMAC SHA-2 and key management principles;
  • Knowledge of operating system security network security security controls and modern cybersecurity technologies.
  • Excellent command of the English language.

Responsibilities

  • Develop implement maintain test and continuously improve cybersecurity solutions products and services;
  • Integrate cybersecurity technologies into the organizations infrastructure ensuring secure configuration optimal performance and operational resilience;
  • Implement monitor and maintain security controls procedures patches and system hardening measures to address vulnerabilities and ensure compliance with security policies;
  • Assess monitor and report on the security posture and performance of systems services and cybersecurity solutions recommending improvements where appropriate;
  • Provide cybersecurity support and technical guidance to users customers and internal stakeholders;
  • Collaborate closely with Operations and cross-functional teams to implement maintain and optimize security-related processes and operational activities;
  • Develop scripts automation and software components to support cybersecurity operations improve efficiency and enhance security capabilities;
  • Identify troubleshoot and resolve security-related issues ensuring timely remediation and continuous service improvement;
  • Prepare technical documentation and communicate security updates recommendations and progress to relevant stakeholders;
  • Work collaboratively with team members and business stakeholders to deliver secure reliable and resilient technology solutions.