OPS Security Engineer Firewall and Proxy Filtering Services Consultant

Keystone Solutions; Brussel Hoofdstad; Sur place; EUR 70 000 - 100 000; Plein temps

Résumé du poste

Keystone Solutions in Belgium seeks an OPS Security Engineer specializing in Firewall & Proxy Filtering Services. Represent the firm on client sites and drive secure configurations, incident resolution, and policy optimization.

You have 5+ years in firewall environments (Palo Alto, Fortinet), certifications such as PCNSA/CCNA, and strong Excel/VBA or Python for reporting. Fluent English required; French desirable; hybrid 50/50 on-site and remote.

Qualifications

• Bachelor’s degree or equivalent experience.
• At least 5 years of relevant experience in firewall environments.
• Proven expertise in Firewall, IPS/IDS, and cloud micro-segmentation.
• Experience with firewall rules implementation and policy optimization.
• Incident resolution experience in security operations.
• Hands-on experience with Palo Alto or Fortinet technologies.
• Familiarity with Service Now (IT Service Management module).
• Proficiency in MS Excel, including automatic reporting (VBA, Python).
• Strong knowledge of security, networking, and architecture principles.
• Proven experience in analysis and audit reporting is preferable.
• Knowledge of Agile methodology is mandatory.

Responsabilités

• Participate in daily management of firewall flow requests as part of the client’s security operations.
• Resolve incidents related to firewall and security policies, ensuring robust protection for the client’s infrastructure.
• Contribute firewall technology experience to project teams, supporting secure solution implementations.
• Maintain firewall configurations in line with security policies and document changes.
• Manage all requests in compliance with the client’s security rules and regulatory obligations.
• Perform deep analysis and provide evidence for audits, flow recertifications, and reporting activities.

Connaissances

Security operations

Incident resolution

Agile methodology

Audit reporting

Analytical communication

Formation

Bachelor’s degree or equivalent experience

PCNSA certification

CompTIA Network+ certification

CCNA certification

Outils

Palo Alto

Fortinet

ServiceNow

MS Excel

VBA

Python

Description du poste

Mission Overview:

This is a consultancy mission at a client site, where you will represent Keystone Solutions as an OPS Security Engineer specializing in Firewall & Proxy Filtering Services. As a Keystone Solutions consultant, you will be engaged in dynamic client projects, bringing your expertise to diverse environments and contributing to the client’s IT security operations.

Responsibilities:

• Participate in the daily management of firewall flow requests as part of the client’s security operations.
• Resolve incidents related to firewall and security policies, ensuring robust protection for the client’s infrastructure.
• Contribute your firewall technology experience to project teams, supporting the implementation of secure solutions.
• Maintain firewall configurations in line with security policies and document all changes and updates.
• Manage all requests in compliance with the client’s security rules and regulatory obligations.
• Perform deep analysis and provide evidence for audits, flow recertifications, and reporting activities.

Requirements:

• Bachelor’s degree or equivalent experience.
• At least 5 years of relevant experience in firewall environments.
• Proven expertise in Firewall, IPS/IDS, and cloud micro-segmentation.
• Experience with firewall rules implementation and policy optimization.
• Incident resolution experience in security operations.
• Hands-on experience with Palo Alto or Fortinet technologies.
• Familiarity with Service Now (IT Service Management module).
• Proficiency in MS Excel, including automatic reporting (VBA, Python).
• Strong knowledge of security, networking, and architecture principles.
• Proven experience in analysis and audit reporting is preferable.
• Knowledge of Agile methodology is mandatory.
• Certifications such as PCNSA (Palo Alto Networks Certified Network Security Administrator), CompTIA Network+, or CCNA are highly valued.
• Language requirements: English (mandatory), French (desired), Dutch (nice to have).
• Expectation: 50% on-site and 50% homeworking.

Soft Skills:

• Ability to learn quickly and adopt new technologies and tools.
• Autonomous, quick self-starter with a strong team spirit.
• Client-oriented, committed, proactive, and result-driven.
• Excellent analytical, synthesis, and communication skills.
• Ability to work in a dynamic, multicultural environment and provide support during peak periods or outside business hours (on-call).
• Capable of following existing project, incident, and change management processes.
• Skilled at translating technical issues into non-technical explanations.
• Risk awareness and consciousness about service continuity.
• Experience working in Agile environments.

Why Join Keystone Solutions?

• As a consultant, you will experience a variety of challenging projects across different client environments, accelerating your professional growth.
• Keystone Solutions is committed to turbo-charged learning, offering broad exposure and continuous development opportunities.
• We foster skyrocketing ambition, supporting your career progression within our consultancy framework.
• Being a “K-Stone” means embodying our core values and delivering excellence in every engagement.