Silvere Megelas - IT Security Specialist (Consultant)

Q: Where is Silvere based?

Silvere is based in Bonn, Germany .

Q: What languages does Silvere speak?

Silvere speaks the following languages: French (Native), English (Advanced) .

Q: How many years of experience does Silvere have?

Silvere has at least 24 years of experience. During this time, Silvere has worked in at least 6 different roles and for 7 different companies . The average length of individual experience is 3 years and 5 months . Note that Silvere may not have shared all experience and actually has more experience.

Q: What is Silvere's latest experience?

Silvere's most recent position is IT Security Specialist (Consultant) at EU Court of Justice .

Q: What companies has Silvere worked for in recent years?

In recent years, Silvere has worked for EU Court of Justice , European Commission , and EU-LISA .

Q: Which industries is Silvere most experienced in?

Silvere is most experienced in industries like Banking and Finance , Information Technology , and Government and Administration . Silvere also has some experience in Aerospace and Defense .

Q: Which business areas is Silvere most experienced in?

Silvere is most experienced in business areas like Information Technology , Operations , and Project Management .

Q: Which industries has Silvere worked in recently?

Silvere has recently worked in industries like Government and Administration and Information Technology .

Q: Which business areas has Silvere worked in recently?

Silvere has recently worked in business areas like Information Technology and Operations .

Recommended expert

Bonn, Germany

Experience

Dec 2023 - May 2025

1 year 6 months

Luxembourg

IT Security Specialist (Consultant)

EU Court of Justice

Developed incident-response and investigative operating procedures to improve repeatability, auditability, and CSIRT escalation quality.
Delivered centralized Splunk dashboards for firewall and identity telemetry, accelerating triage and improving evidentiary context during incidents.
Strengthened identity assurance for sensitive services via Kerberos and SAML-based SSO patterns, reducing authentication risk in critical workflows.
Automated security operations using Ansible and Terraform to reduce configuration drift and support post-incident reconstruction and compliance reviews.

Jan 2022 - Dec 2023

2 years

Luxembourg

Security Architect (Consultant)

European Commission

Created standardized documentation sets (HLD/LLD, procedures, runbooks) to align security operations across multiple teams and stakeholders.
Designed DDoS mitigation architectures and operational response steps aligned with EU threat models and incident lifecycle requirements.
Implemented consistent firewall/WAF automation (APIs, Terraform, templating) to enable controlled changes and faster response to evolving threats.
Built and refined Splunk Enterprise/ES detection use cases to expand coverage and reduce mean time to detect and scope incidents.

Jul 2020 - Dec 2021

1 year 6 months

Strasbourg, France

IT Security Specialist (Consultant)

EU-LISA

Built investigation-grade threat-hunting dashboards in Splunk using custom SPL and multi-source correlation for rapid scoping and hypothesis testing.
Integrated MISP threat intelligence into SIEM workflows and documented ingestion, enrichment, and analyst usage procedures.
Engineered and upgraded Splunk Enterprise and ES infrastructure at scale, improving reliability and retention for forensic and compliance needs.
Conducted security testing and produced structured findings and remediation guidance, feeding lessons learned and continuous control improvement.

Mar 2017 - Jul 2020

3 years 5 months

Cologne, Germany

Cybersecurity Engineer (Consultant)

European Union Aviation Safety Agency

Owned end-to-end security operations including incident response coordination, investigative support, and executive reporting for leadership decision-making.
Defined repeatable response playbooks and escalation patterns across SOC, IT, and business stakeholders to reduce ambiguity under pressure.
Supported digital forensics activities (scope definition, acquisition coordination, preservation, reporting) and ensured defensible documentation trails.
Improved readiness through vulnerability research and risk-based security architectures (WAF, IAM, reverse proxies) aligned with threat scenarios.

Jun 2016 - Mar 2017

10 months

Mons, Belgium

Security Consultant

NATO

Provided L2/L3 security operations support for mission-critical platforms, strengthening escalation discipline and incident communications.
Delivered runbooks and operational procedures to standardize recurring security tasks and reduce operational variance across shifts.
Executed zero-downtime migrations of security infrastructure with rollback planning, change control, and post-change verification checklists.
Coordinated with multinational teams to ensure process adoption and consistent operational outcomes in high-availability environments.

Sep 2014 - Jun 2016

1 year 10 months

Brussels, Belgium

Senior Security Engineer / Architect

Euroclear

Architected and migrated large-scale financial security infrastructures (F5 VIPRION, Check Point VSX) with strict availability and audit requirements.
Implemented robust authentication patterns (SAML IdP/SP) and documented operating procedures for secure access across global platforms.
Led Prince2 security projects, managing stakeholders, schedules, and budgets while maintaining operational continuity.
Automated traffic analysis and reporting (iRules/Perl) to improve triage visibility and support incident governance and evidence preservation.

Jan 2001 - Jan 2014

13 years 1 month

Network & Security Architect

Natixis; Société Générale; NYSE Euronext; BNP Paribas; IBM; Nokia Siemens Networks

Designed and secured global banking and trading infrastructures under extreme scale/latency constraints, including HA routing and segmentation patterns.
Established durable security standards and operational documentation adopted across teams, improving consistency and auditability over time.
Led international migrations and 24/7 operational support transitions with clear escalation paths and repeatable procedures.

Industry Experience

See where this freelancer has spent most of their professional time.

Experienced in Banking and Finance, Information Technology, Government and Administration, and Aerospace and Defense.

Banking and Finance

Information Technology

Government and Administration

Aerospace and Defense

Business Area Experience

See which departments and functions this freelancer has contributed to most.

Experienced in Information Technology, Operations, and Project Management.

Information Technology

Operations

Project Management

Summary

Staff-level cybersecurity consultant with 20+ years of experience securing large-scale, mission-critical environments across financial services, government, aviation, and defense. Deep expertise in cloud and network security architecture, zero trust, SIEM/SOC, threat hunting, incident response, and security automation. Proven record delivering FAANG-scale systems: high availability, automation-first, measurable risk reduction, and executive-level reporting. Harvard-certified, Splunk ES expert, and cyber investigations specialist.

Skills

Incident Management Lifecycle (Triage, Containment, Eradication, Recovery, Lessons Learned)
Digital Forensics Process Design (Chain Of Custody, Preservation, Acquisition Coordination, Reporting)
Csirt Documentation (Handbooks, Playbooks, Runbooks, Sops)
Forensic Readiness (Logging Strategy, Retention, Access Control, Auditability)
Siem/soc Engineering (Splunk Enterprise/es, Detections, Threat Hunting)
Security Automation (Apis, Ansible, Terraform)
Vulnerability Management Testing
Standards Familiarity (Iso 27035/27037 Concepts, Nist, Sans)
Training And Knowledge Transfer
Methods: Chain Of Custody, Evidence Preservation, Acquisition Coordination, Hashing/verification, Log Preservation, Timeline Analysis, Post-incident Reviews
Platforms: Splunk Enterprise/es, Misp, Ansible, Terraform, Kali, Burp Suite, Nessus, Qualys; Maltego, Autopsy And Encase, Custom Osint Python Script; Network/security Platforms Including Check Point, Fortinet, Nginx Plus; Identity Protocols Kerberos And Saml
Managed And Mentored Teams Of Up To 10 Engineers
Regularly Interfaced With Cisos, Legal Teams, And Law Enforcement
Recognized For Precision, Resilience, And Executive-level Communication In High-pressure Environments

Languages

French

Native

English

Advanced

Certifications & licenses

CCNP, CCNA, Network+

Cisco/CompTIA

Certified Expert In Cyber Investigation, Cyber Intelligence, Digital Forensics

McAfee Institute

Harvard Kennedy School Certificate In Generative AI

Harvard Kennedy School

HarvardX Professional Certificates: Cybersecurity Risk Management; Leadership And Team Success

HarvardX

Nessus, Autopsy, And Qualys Penetration Testing Certifications

Splunk Enterprise And Enterprise Security Administration

Statistics

Experience

Total positions 7

Experience in Banking and Finance 15 y

Avg length 3 y 4 m

Longest experience 13 y

Global Experience

Countries worked in 4 (Luxembourg, Belgium, France, Germany)

Primary country Luxembourg

Expertise

Recent roles IT Security Specialist (Consultant), Security Architect (Consultant), Cybersecurity Engineer (Consultant)

Main industries Banking and Finance, Information Technology, Government and Administration

Main business areas Information Technology, Operations, Project Management

Qualifications

Certifications earned 6

Profile

Created

February 2026

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Frequently asked questions

Do you have questions? Here you can find further information.

Where is Silvere based?

Silvere is based in Bonn, Germany.

What languages does Silvere speak?

Silvere speaks the following languages: French (Native), English (Advanced).

How many years of experience does Silvere have?

Silvere has at least 24 years of experience. During this time, Silvere has worked in at least 6 different roles and for 7 different companies. The average length of individual experience is 3 years and 5 months. Note that Silvere may not have shared all experience and actually has more experience.

What roles would Silvere be best suited for?

Based on recent experience, Silvere would be well-suited for roles such as: IT Security Specialist (Consultant), Security Architect (Consultant), Cybersecurity Engineer (Consultant).

What is Silvere's latest experience?

Silvere's most recent position is IT Security Specialist (Consultant) at EU Court of Justice.

What companies has Silvere worked for in recent years?

In recent years, Silvere has worked for EU Court of Justice, European Commission, and EU-LISA.

Which industries is Silvere most experienced in?

Silvere is most experienced in industries like Banking and Finance, Information Technology, and Government and Administration. Silvere also has some experience in Aerospace and Defense.

Which business areas is Silvere most experienced in?

Silvere is most experienced in business areas like Information Technology, Operations, and Project Management.

Which industries has Silvere worked in recently?

Silvere has recently worked in industries like Government and Administration and Information Technology.

Which business areas has Silvere worked in recently?

Silvere has recently worked in business areas like Information Technology and Operations.

Does Silvere have any certificates?

Silvere has 6 certificates. Among them, these include: CCNP, CCNA, Network+, Certified Expert In Cyber Investigation, Cyber Intelligence, Digital Forensics, and Harvard Kennedy School Certificate In Generative AI.

What is the availability of Silvere?

Silvere is immediately available for suitable projects.

What is the rate of Silvere?

Silvere's rate depends on the specific project requirements. Please use the Meet button on the profile to schedule a meeting and discuss the details.