Information Security Consultant

Our client, Nasdaq, a leading provider of trading, clearing, exchange technology, regulatory, securities listing, information and public company services across approximately six continents. The Company manages, operates and provides its products and services through four segments: Market Services, Listing Services, Information Services and Technology Solutions.

They are looking for Information Security Specialist to join on contract basis till the end of 2025.

Team and Role Overview

We are seeking an Information Security Specialist for our Firewall Engineering team.

The primary responsibilities will involve firewall request planning, implementation, and

troubleshooting.

What you will do:

• Plan, document, and implement firewall openings

• Communicate with internal and external clients on firewall-related matters

• Troubleshoot and resolve complex firewall-related incidents

• Collaborate with other teams on firewall requests, incidents, and upgrades

• Participate in CAB meetings and represent firewall tickets

• Perform firewall OS upgrades, including pre- and post-checks

What We Expect:

• Strong understanding of OSI Layers and network security technologies

• Expertise in firewall products, especially Palo Alto (required), as well as Fortigate,

Checkpoint, Cisco ASA, and their respective management platforms

• Solid understanding of VPN concepts (Site-to-Site IPSec VPN, SSL Remote

VPN)

• Experience with IT Operation tools such as ITSM and Jira

• Understanding of ITIL, Change, Incident, and Problem Management processes

• Adherence to defined processes for completing firewall requests within SLAs

• Fluent English and excellent communication skills.

Pay rate: 45EUR-50EUR per hour