OPS Security Engineer Firewall and Proxy Filtering Services Consultant

Mission Overview

The OPS Security Engineer - Firewall & Proxy Filtering Services role is a consultancy mission at a client site, representing Keystone Solutions. As a Keystone Solutions consultant, you will be hired to work on client projects, bringing your expertise and values to every engagement.

Mission Context

The client’s IT department operates in Agile mode, providing a challenging and motivating environment where teams are empowered to manage their technical domain. Within the Tribe IT Production Security, the Squad Firewall & Proxy Filtering Services manages the Firewalls, validating requests, implementing new rules, solving incidents, and ensuring secure solutions based on business needs and security requirements. The team also addresses audits, network security controls, group security requirements, regulatory obligations, and recertification of data flows through detailed analysis and supporting evidence.

Responsibilities

• Participate in daily management of Firewall flow requests
• Help solve incidents caused by Firewall-related issues or security policies
• Contribute to project teams with firewall technology experience
• Ensure firewall configurations align with security policies and document them
• Manage all requests in accordance with security rules
• Perform deep analysis and provide evidence for audits, flow recertifications, and reporting activities All these responsibilities will be carried out under Keystone Solutions’ consultancy model.

Language Requirements

• Dutch: Nice to have
• French: Desired
• English: Mandatory

Education

Bachelor degree or equivalent

Certification

PCNSA (Palo Alto Networks Certified Network Security Administrator), CompTIA Network+, CCNA

Telework

Expectation: 50% on site & 50% homeworking

Required Experience / Knowledge

At least 5 years of relevant experience

• Proven experience in Firewall, IPS/IDS, Cloud micro-segmentation
• At least 5 years in a Firewall environment is mandatory
• Firewall rules implementation
• Firewall policy optimization
• Incident resolution experience
• Palo Alto or Fortinet experience
• Experience with Service Now (IT Service Management module)
• MS Excel (Automatic reporting: VBA, Python)
• Security, networking & architecture principles knowledge

Preferable: Proven experience in analysis and audit reporting

Business Experience

Knowledge of Agile methodology

Soft Skills

• Ability to learn fast and adopt new technologies/tools
• Quick self-starter and autonomous
• Good team spirit, sharing knowledge and experience
• Client-oriented
• Self-motivated, perseverant, open to additional responsibility
• Committed, proactive, and result oriented
• Good analytical and synthesis skills, high attention to detail
• Very good communication skills
• Able to work in a dynamic and multi-cultural environment
• Flexible to make extra effort in peak periods and open to support outside Business hours (On calls)
• Ability to follow existing projects, incident and change management processes
• Ability to translate technical issues into non-technical explanations
• Good understanding of risk awareness
• Consciousness about the continuity of services
• Ability to work in an Agile environment

Keystone Solutions Advantages

• Consultancy Nature: Work on-site as a Keystone Solutions consultant, representing our values and expertise.
• Dynamic Projects: Experience a diversity of challenges across various client environments.
• Turbo-Charged Learning: Benefit from professional development and broad learning experiences.
• Skyrocketing Ambition: Grow your career within a supportive and ambitious framework.
• Values: Being a “K-Stone” means bringing core values to every engagement.

If you are ready to tackle technical and strategic challenges in a dynamic consultancy environment, apply today at Keystone Solutions Career Portal .