Spektrum

Level 3 Network Security Engineer

Spektrum · Mons, Belgium

Posted 23 days ago

or apply directly on Spektrum's site. We never take the application ourselves.

Is this posting real?

This role has been open
23 days
Spektrum's roles stay open a median of 45 days
Reposted
No
Salary listed
No
0% of Spektrum's roles list one
Ghost-job risk at Spektrum
low
0 stale, 4 reposted of 218 open
Hiring momentum
343 roles opened in the last 90 days
↑ up vs. the prior 90 days
Last confirmed on the employer's board
2026-09-17

Measured from postings appearing on and disappearing from Spektrum's own greenhouse board since 2026-08-03. Full hiring picture for Spektrum.

About this role

The Level 3 Network Security Engineer will support NATO's communication and information technology services by managing and maintaining network security systems, particularly focusing on firewall administration and configuration. Daily responsibilities include service reporting, incident management, configuration validation, and participation in governance activities. The role requires effective communication and collaboration with various stakeholders while identifying opportunities for service optimization.

Our read on this posting2.6out of 5
benefits
1/5
freshness
4/5
career value
4/5
role clarity
4/5
pay transparency
0/5

Scored from the posting itself — how clearly the role is described, how much it says about pay and benefits, and how recently it was listed. Not a judgement of Spektrum as an employer.

What you need

  • Minimum of three (3) years of relevant professional experience in firewall administration and network security
  • PaloAlto Networks Certified Network Security Engineer (PCNSE) or equivalent qualification
  • CompTIA Security+ (pre-2020- Code SY0-601. Post 2020 Code SY0-701)
  • In-depth knowledge of PaloAlto firewall configuration and management
  • Understanding of networking protocols and security principles
  • In-depth knowledge of network infrastructure and architecture

Nice to have

  • PaloAlto Networks Certified Network Security Administrator (PCNSA)
  • Certified Information Systems Security Professional (CISSP)
  • Cisco Certified Network Associate (CCNA) - (Code 200-301)

Worth weighing

  • On-site working policy may limit flexibility
  • Travel is required, averaging one trip per month
  • National Top Secret or NATO COSMIC Top Secret security clearance is mandatory
  • No salary or specific benefits listed in the posting

Summarised from Spektrum's posting. Read the full original.

Listed by Spektrum on their greenhouse job board, last confirmed open on 2026-09-17. PitchMeAI is not the employer.

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