Engineer (CIS security)

Vector Synergy; Brussel; On-site; EUR 60,000 - 90,000; Full time

Job summary

Vector Synergy is seeking an experienced security specialist to support the deployment of infrastructure security solutions in Mons, Belgium.

The role focuses on maintaining system stability and performance after deployment through continuous monitoring, applying hardening configurations, and ensuring a strong security posture across hybrid environments.

Candidate must hold NATO Secret clearance; reference RFQ C004853 / Mons. Deadline for application: 01/10/2026.

Qualifications

• Knowledge of the principles of computer and communication security, networking, and the vulnerabilities of modern operating systems and applications.
• Knowledge of and proven experience with linux OS, infrastructure as code and automation tools.
• Knowledge of security technologies and solutions specific to hybrid-cloud, Secure Access Service Edge (SASE) and On-Premise DMZ capabilities.

Responsibilities

• Supporting project implementation and the delivery of infrastructure security solutions.
• Ensuring stability and performance of deployed systems, services, and applications post ‑ implementation through continuous monitoring and timely issue resolution.
• Applying approved security configurations (hardening settings) and maintaining the security posture of infrastructure elements.

Skills

Security principles

Linux & IaC

SASE & DMZ

Job description

Skills, Knowledge, Experience Required

• Knowledge of the principles of computer and communication security, networking, and the vulnerabilities of modern operating systems and applications ;
• Knowledge of and proven experience with linux OS, infrastructure as code and automation tools ;
• Knowledge of security technologies and solutions specific to hybrid-cloud, Secure Access Service Edge (SASE) and On-Premise DMZ capabilities .

Location

Mons, Belgium

Security Clearance

NATO Secret

Reference No

RFQ C004853 / Mons

Deadline For Application

01 / 10 /2026

Duties/role

• Supporting project implementation and the delivery of infrastructure security solutions ;
• Ensuring stability and performance of deployed systems, services, and applications post ‑ implementation through continuous monitoring and timely issue resolution ;
• Applying approved security configurations (hardening settings) and maintaining the security posture of infrastructure elements .

Additional information

VECTOR SYNERGY sp. z o.o., ul. Marcelińska 90, 60-324 Poznań, NIP PL7811857270, REGON 301575740, KRS: 0000369575

Rejestr Przedsiębiorców KRS prowadzony przez Sąd Rejonowy Poznań – Nowe Miasto i Wilda w Poznaniu, VIII Wydział Gospodarczy KRS, kapitał zakładowy wynosi: 73.852,80 złotych wpłacony w całości, TEL [phone], FAX [phone], www.vectorsynergy.com , [e-mail]