OPS Security Engineer - Firewall & Proxy Filtering Services

Vos missions

Great assignments await you with our key account clients in rich and varied environments

We are looking for a Senior OPS Security Engineer specialized in Firewall and Proxy Filtering Services to join a fast\-paced Agile environment.

You will play a key role in securing network flows, managing firewall requests, resolving incidents, and ensuring compliance with internal security standards and regulatory requirements.

Manage and validate daily firewall flow requests

Implement, maintain, and optimize firewall rules and policies

Troubleshoot and resolve firewall\-related incidents and security issues

Ensure firewall configurations comply with security policies and standards

Support project teams with firewall and network security expertise

Perform detailed analysis for audits, reporting, and flow recertification

Document configurations and maintain proper traceability

Work in Agile mode and follow ITIL processes (incident \& change management)

Contribute to continuous improvement of security and network architecture

You have the following skills

Technical Skills

Minimum 5 years of experience in Firewall environments (mandatory)

Strong expertise in

Firewall rules implementation \& optimization

IPS / IDS

Cloud micro\-segmentation

Experience with:

Palo Alto or Fortinet

ServiceNow (ITSM module)

Excel automation (VBA or Python)

Solid understanding of:

Security principles

Networking \& infrastructure architecture

Certifications (preferred)

PCNSA

CompTIA Network\+

CCNA

Soft Skills

Strong analytical mindset with attention to detail

Autonomous, proactive, and solution\-oriented

Excellent communication skills (technical \& non\-technical)

Team player with knowledge\-sharing mindset

Client\-oriented and results\-driven

Ability to work in Agile environments

Flexible and open to on\-call support

Languages

English: Mandatory

French: Desired

Dutch: Nice to have

Votre profil

You have at least 5 years of professional experiences in IT

You’re eager to learn, motivated and curious

Let’s have a chat !

Advantages

Hospitalization insurance (partner/children incl.)

Group insurance

Dental insurance (partner/children included)

20 days statutory paid vacations (legal vacations cumulated for 1 year of work)

11 days recovery time work 38/40 per year (\= annual average

1 day per 20 days worked) if the client asks you to work 8h/day

Representation fee net per month.

Internet fee of € 40 per month.

Company car with national fuel card OR Public transport reimbursed OR mobility package.

Daily fee of 5\.50€ net /day provided.

Subscription GSM unlimited calls for Belgium (ITS subscription)

Training plan (e\-learning \- certification at ITS charge)

Extra advantages:

Being a rather small team in BE (6 in back\-office), we’re very close to each of our consultants and we differentiate ourselves trying to really take care of you and make you grow with us and within our different clients.

Regular follow\-up (every 3 to 6months depending on your needs/will)

Regular teambuilding to meet\-up and have fun (every 3 months more or less)

Flexibility and trust

Benefits of still being part to a bigger group (ITS Group) and having access to resources and of a larger team of Experts

Co\-optation system because sharing is caring!

Processus de recrutement

1st pre\-screening on the phone to discuss about your search and conditions and our first potential opportunities matching.

Job descriptions sent and Teams meeting fixed with us (HR and Sales) to dig into your experience and the role.

Package proposal so we all agree beforehand.

Your CV is sent to the different clients you’ve agreed to, to find the best mission for you!

En ligne depuis le 10\.07\.2026

Bruxelles

CDI

Entité : ITS Group Benelux

Anglais

Français

Néerlandais

Fonction managériale : Non

Mobilité : Non

Mode de poste : Sur Site

Salaire : Salary conform to experience.

Réf. SA0446

For more than 25 years, ITS Group has been a French ESN specializing in digital transformation, employing around 1,400 employees across 8 agencies in France and 1 in Belgium.

Our expertise: IT infrastructure \& operations, cloud \& managed services, mobility, workstations \& networks, strategy, consulting \& AMO, cybersecurity, development of business applications.

ITS Group places its CSR commitment at the heart of its concerns by developing sustainable and responsible digital technology and by promoting the professional and personal development of its employees.

Find out more: www.itsgroup.com

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