Own and strengthen the unclassified environment’s cybersecurity posture by implementing NIST SP 800-171 and CMMC Level 2 controls, conducting self-assessments, maintaining audit evidence, and vetting tools and vendors.
Senior Security Engineer - freelance
📜 Description
- Design, implement, and improve cybersecurity solutions for government systems and critical infrastructure.
- Configure security controls to meet organizational policies, EU regulations, and public sector standards.
- Monitor and investigate security events using SIEM tools such as Splunk.
- Identify and remediate vulnerabilities and incidents through patching, system hardening, and certificate and cryptographic asset management.
- Secure systems across on-premise, cloud, and hybrid environments, including high-availability infrastructure.
- Develop security automation, produce technical documentation and risk assessments, and communicate findings to stakeholders.
🛠️ Requirements
- University degree in Cybersecurity, Computer Science, or a related field, plus minimum 10 years of relevant professional experience.
- Expertise in security standards and compliance, such as ISO 27001, NIS/NIS2, and GDPR.
- Knowledge of identity protocols, certificates, HSMs, and key management technologies including SSL/TLS, SAML, OAuth, AWS KMS, and PKCS#11.
- Understanding of cryptographic principles and algorithms including AES, GCM, PBKDF2, HMAC, and SHA-2.
- Advanced network security knowledge, including firewalls, TCP/IP, IPSec, and web application firewalls.
- Proficiency in Linux/Unix, system hardening, secure configuration, scripting, and security automation.
- Experience securing large-scale data centre, government, cloud, or hybrid environments and with secure software development lifecycle practices.
- Strong English communication skills; French is an advantage.
Full job description
Company Description
Are you ready to shape the future technological landscape in Europe?
We are dedicated to responsible digitalisation, building innovative, inclusive solutions that drive meaningful impact. With over 8,900 professionals across Europe, we help EU institutions, public and private organisations thrive in a rapidly evolving digital world. Are you ready to shape the future through technology? Your journey starts here. Take a look at some of our impactful projects here: https://netcompany.com/cases/
Job Description
So, what are the main responsibilities of an Senior Security Engineer in Netcompany?
The Senior Security Engineer is responsible for designing, implementing, and maintaining cybersecurity solutions to protect the organization’s systems, infrastructure, and data.
As a Senior Security Engineer, you will:
- Design, implement, maintain, and continuously improve cybersecurity solutions protecting government systems and critical infrastructure using modern security technology stacks.
- Integrate and securely configure security controls in line with organizational policies, EU regulations, and public sector standards.
- Monitor, evaluate, and investigate security controls and events, including security event analysis and SIEM tooling (e.g., Splunk investigations).
- Identify, analyze, and remediate vulnerabilities and incidents, including patching, system hardening, and certificate and cryptographic asset management.
- Ensure the security and resilience of systems across on-premise, cloud, and hybrid environments, including high-availability infrastructures.
- Implement and enforce cybersecurity policies, procedures, and controls aligned with governance, risk, and compliance (GRC) frameworks.
- Develop scripts, tools, and automation to enhance security monitoring, detection, and response capabilities.
- Produce technical documentation, risk assessments, and audit reports; communicate findings to stakeholders and management.
- Collaborate with internal teams, external providers, and public sector bodies; provide cybersecurity expertise and user support.
Qualifications
What would make you a fit for the role:
- University Degree in Cybersecurity, Computer Science or related field and minimum 10 years of professional experience in cybersecurity, information security, or secure systems engineering within complex environments.
- Proven expertise in security standards, frameworks, and compliance requirements (e.g., ISO 27001, NIS/NIS2, GDPR, or similar public sector frameworks).
- Strong knowledge of security technologies and identity protocols: SSL/TLS, X.509, SAML, OAuth, OpenID Connect, JWT, AWS KMS, KMIP, PKCS#11, including digital certificates and hardware security modules (HSMs).
- Solid understanding of cryptographic principles and algorithms: AES, GCM, PBKDF2, HMAC, SHA-2.
- Advanced knowledge of network security and architecture including next-generation firewalls and web application firewalls (e.g., Fortigate, Imperva), TCP/IP, IPSec, HTTP/HTTPS, routing, firewalls, routers, and switches.
- Proficiency in Linux/Unix systems, system hardening, operating system security, and secure configuration practices.
- Experience with secure software development lifecycle (SDLC), programming/scripting, and automation in security contexts.
- Experience securing large-scale, complex environments (e.g., data centres, government systems, cloud and hybrid infrastructures).
- Strong communication skills in English, knowledge of French is an advantage.
Additional Information
If you are looking forward to be part of a diverse environment, and have the opportunity to work alongside well-experienced professionals, on challenging, large-scale projects that directly impact millions of citizens around the globe, then this is the place to be!
#LI-SS2
Please upload your CV in English via the Apply button. All applications will be treated as strictly confidential.
We ensure equal opportunities, treatment, and consideration to all candidates. Discrimination based on sex, racial or ethnic origin, religion or belief, disability, age, sexual orientation or marital status, physical or mental disability, or any other factor protected by applicable laws and regulations is prohibited. As part of the Netcompany culture, we respect human rights and focus on creating a positive workplace, where all employees are valued, and where diversity and inclusion are a vital part of our everyday working experience.
In the following link you may find our CV Submission privacy notice: https://netcompany.com/cv-submission-privacy-notice/
Similar jobs
Search more Cybersecurity Engineer jobsThe Security Architect designs and oversees security across cloud, product, and enterprise systems, combining blockchain and application security expertise to strengthen controls, detection, incident response, and secure development.
Administer and improve cybersecurity detection and protection technologies, guide security practices across IT and application development, and help reduce organizational risk through threat response and security documentation.
Executes day-to-day information security across corporate IT, platform, and product environments, maintaining ISO 27001 certification and advancing application security, vulnerability management, incident response, and customer compliance.
Secures software and cloud systems by reviewing code, modeling threats, automating security controls, and running attack simulations, while partnering with Engineering to prioritize and close vulnerabilities.
