OPS Security Engineer - Firewall & Proxy Filtering Services

ITS Group Benelux; Brussel; On-site; EUR 75,000 - 110,000; Full time

Benefits offered by this job

Hospitalization insurance

Group insurance

Dental insurance

20 days statutory paid vacations

Job summary

ITS Group Benelux is seeking a Senior OPS Security Engineer specializing in Firewall and Proxy Filtering Services to join our fast-paced Agile environment in Belgium. You will secure network flows, manage firewall requests, resolve incidents, and ensure compliance with internal security standards and regulatory requirements.

You will design and optimize firewall rules, perform audits, document configurations, and collaborate with IT teams using ITIL processes.

Qualifications

• Minimum 5 years of professional experience in firewall environments.
• Strong skills in implementing and optimizing firewall rules, and in IPS/IDS.
• Experience with cloud micro-segmentation and security concepts.
• Proficiency with Palo Alto or Fortinet platforms.
• Experience with ServiceNow ITSM and automation in Excel (VBA/Python).
• Solid understanding of security principles and networking architecture.

Responsibilities

• Manage and validate daily firewall flow requests.
• Implement, maintain, and optimize firewall rules and policies.
• Troubleshoot and resolve firewall incidents and security issues.
• Ensure configurations comply with security policies and standards.
• Support project teams with firewall and network security expertise.
• Perform audits, reporting, and flow recertification.
• Document configurations and maintain traceability.
• Contribute to continuous security and network architecture improvements.

Skills

Firewall & Network security

Auditing & incident response

Agile / ITIL familiar

Tools

Palo Alto

Fortinet

ServiceNow ITSM

Excel VBA/Python

Job description

Key Requirements

• Networking & infrastructure architecture
• French: Desired

About Us

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

About the Job

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

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

Fourchette de salaire

Salary conform to experience.

About You

• You have at least 5 years of professional experiences in IT
• You’re eager to learn, motivated and curious
• Let’s have a chat !

About the Process

• 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!

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!