Rivant

Senior OPS Security Engineer - Firewall & Proxy Filtering Services

Sector: Banking

Location: Brussels

Contract length: 12 months

Estimated daily rate (EUR): 685 - 835

Languages: English (Dutch/French a plus)

Estimated daily rates are Rivant market estimates for guidance — not a client rate card.

Role details

Start date: 2026-08-17

Duration: 12 months

Extension possible: Not specified

Estimated daily rate (EUR): 685 - 835

Education: Bachelor degree or equivalent

Location detail: Brussels (Montagne du Parc) - ~50% on site / 50% homeworking. Remote/telework from Belgium only

About the role

A Brussels operations team at a major Belgian bank is hiring an OPS Security Engineer focused on firewall and proxy filtering services. The team manages firewall requests and configurations, resolves incidents, and implements secure solutions while ensuring compliance with group security rules and regulatory obligations. You work in an Agile environment across daily operations, projects and audit/recertification.

Responsibilities

  • Manage daily firewall flow requests; implement and optimise firewall rules
  • Resolve firewall-related incidents and document configurations against security policies
  • Participate in project teams with firewall technology expertise for design and delivery
  • Perform deep analyses for audits, flow recertifications and reporting with evidence
  • Work with security and network architecture teams on secure solutions and micro-segmentation

Business experience

SkillLevelPriority
Agile methodologyNot specifiedMandatory
Analysis and audit reporting (recertifications, evidence preparation)Not specifiedPreferable

Functional experience

SkillLevelPriority
Daily firewall flow request management and secure solution deliveryNot specifiedMandatory

Technical experience

SkillLevelPriority
Firewall environment (rules, policy optimisation, incident resolution)Minimum 5 yearsMandatory
Firewalls, IPS/IDS and cloud micro-segmentationNot specifiedMandatory
Palo Alto or Fortinet platformsNot specifiedMandatory
ServiceNow (ITSM) and MS Excel automation (VBA, Python) for reportingNot specifiedMandatory
Security, networking and architecture principlesNot specifiedMandatory
Certifications: PCNSA (Palo Alto), CompTIA Network+, CCNANot specifiedPreferable

Language requirements

English (Dutch/French a plus)

LanguageSpeakingReadingWritingMandatory
EnglishGoodGoodGoodYes
FrenchGoodGoodGoodNo
DutchGoodGoodGoodNo

Soft skills

  • Quick learner, able to adopt new tools and technologies
  • Autonomous self-starter with strong ownership
  • Team player who shares knowledge with colleagues
  • Analytical with high attention to detail
  • Client-oriented with good communication skills
  • Comfortable in a multicultural Agile team

Apply

Interested in this role?

Send your interest below. A person at Rivant will review it against this vacancy.

Get in touch

Register interest

Share your details and optionally upload a PDF CV.

Applying for Senior OPS Security Engineer - Firewall & Proxy Filtering Services

No file selected yet

By submitting, you ask Rivant to use your details to match you with relevant client roles. We may use IT tools, including AI, to support matching; a person reviews before we contact you or a client. We keep profiles for up to 12 months after last contact, unless you ask us to delete sooner. Full details: Privacy Notice · Legal · Cookies · Terms. Please avoid special-category data in your CV unless we ask for it.

Related vacancies

Explore similar banking and insurance freelance roles in Brussels.