Junior Network Security Engineer

Posted 2 Days Ago
Be an Early Applicant
Bucharest, București, ROU
In-Office
Junior
Artificial Intelligence • Big Data • Information Technology • Security • Software
The Role
Administers and supports DMZ network security infrastructure, handles incidents and service requests, monitors performance, deploys L3 change packages, manages L1 escalation, and oversees backup and restore activities. The role requires Cisco and Palo Alto firewall administration, routing, VLANs, ACLs, IDS/IPS, Panorama, Wireshark, IPsec, ITIL processes, and travel between France and Belgium. This is an on-site position in Bucharest with no work-from-home option.
Summary Generated by Built In
Location: Bucharest, Romania

Job summary

We are seeking a highly skilled and experienced L2 DMZ Network Security Engineer to join our team. The candidate will be responsible for the administration, support, and continuous improvement of DMZ infrastructure and security operations. This includes managing incidents, implementing changes and contributing to technical processes in a highly secure and dynamic environment.

Responsibilities:

  • Incident handling and service request processing
  • Corrective maintenance and Performance monitoring
  • Deployment/activation of change packages submitted by L3
  • Triggering and managing the L1
  • Backup & Restore management

ITIL Processes:

  • Event Management - beginner
  • Incident Management – intermediate
  • Service Request Management - beginner
  • Change Management - intermediate
  • Service Level Management - beginner
  • Problem Management - beginner
  • Service Asset & Configuration Management - beginner

Required Skills & Experience:

  • IaaS, PAS, SSI – beginner
  • DMZ – intermediate
  • Administration CISCO – senior
  • Dynamic Layer 3 Routing (BGP, OSPF, MPLS) – beginner
  • Layer 2 and Layer 3 VLANs – intermediate
  • ACL/Prefix-List Management and Configuration – beginner
  • Application Filtering (IDS/IPS) – beginner
  • Scripting - beginner
  • Firewall Palo Alto – senior
  • Panorama (Palo Alto Firewall Administration and Supervision) – intermediate
  • WireShark frame capture – intermediate
  • IPsec (Internet Protocol Security) – beginner
  • Fluent English

Behavioral skills:

  • Ability to report on technical issues (oral and written)
  • Rigor and stress management
  • Ability to work in a team
  • Customer relationship
  • Able to work independently and in cross-functional teams
  • Willing to travel between France and Belgium

Key Deliverables:

  • Tickets fulfilled
  • Maintenance reports
  • Checklist fulfilled

Certification:

  • ITIL V4 foundation

Mobility:

  • Flexibility to travel between France and Belgium
  • No work from home available

Your career at Thales:

Future opportunities will allow you to discover other domains or sites. You will be able to evolve and grow your competences in different areas:

  • Room and attention to personal development.

  • Build your talents in another domain of Thales Group, discovering new products, new customers, new country or go to a more complex Solution

  • Choose between a technical expertise or a leadership path.

  • Build an international career within a leading Engineering Group.

  • Work for different Thales domains & entities.

Your immediate benefits:

  • 24 holiday days a year

  • Benefit Online

  • A good work-life balance which includes flexible working hours

  • A comprehensive compensation and benefit package including medical coverage & life insurance

  • GoFluent & Coursera Subscription

  • Engineering, Technology & Management Academies

At Thales, we’re committed to fostering a workplace where respect, trust, collaboration, and passion drive everything we do. Here, you’ll feel empowered to bring your best self, thrive in a supportive culture, and love the work you do. Join us, and be part of a team reimagining technology to create solutions that truly make a difference – for a safer, greener, and more inclusive world.

Thales is a global technology leader trusted by governments, institutions, and enterprises to tackle their most demanding challenges. From quantum applications and artificial intelligence to cybersecurity and 6G innovation, our solutions empower critical decisions rooted in human intelligence. Operating at the forefront of defence and security, aerospace and space, cybersecurity and digital identity, we’re driven by a mission to build a future we can all trust.

 

In Romania, we are advancing innovation through software engineering, research and development, delivering solutions in key markets in which Thales Group operates. Our engineers design, develop and integrate solutions that impact global industries – from fully operational systems and subsystems for naval warfare and maritime security operations, to air traffic management systems, satellite-based solutions, tactical indoor simulations, identity and biometric technologies and more.

Skills Required

  • Beginner-level experience with IaaS, PAS, and SSI
  • Intermediate-level DMZ experience
  • Senior-level Cisco administration experience
  • Beginner-level dynamic Layer 3 routing experience with BGP, OSPF, and MPLS
  • Intermediate-level Layer 2 and Layer 3 VLAN experience
  • Beginner-level ACL and prefix-list management and configuration
  • Beginner-level application filtering using IDS/IPS
  • Beginner-level scripting experience
  • Senior-level Palo Alto firewall experience
  • Intermediate-level Panorama administration and supervision
  • Intermediate-level Wireshark frame capture experience
  • Beginner-level IPsec experience
  • Fluent English
  • ITIL V4 Foundation certification
  • Willingness and flexibility to travel between France and Belgium
  • Ability to work on-site; no work from home available

Thales Compensation & Benefits Highlights

The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Thales and has not been reviewed or approved by Thales.

  • Retirement Support — Retirement plans with employer contributions and matches, profit sharing, and share purchase opportunities are emphasized across multiple regions. These elements are positioned as competitive components of total rewards.
  • Leave & Time Off Breadth — Generous PTO that increases with tenure, paid holidays, and paid military, maternity, and paternity leave are described. This breadth supports work–life balance across locations.
  • Flexible Benefits — Hybrid work options, flexible schedules, and parental supports such as childcare benefits and leave for sick children are available in several markets. Flexibility is presented as a core part of the employee experience.

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The Company
HQ: Paris
63,258 Employees

What We Do

Thales is a global high technology leader investing in digital and “deep tech” innovations – connectivity, big data, artificial intelligence, cybersecurity and quantum technology – to build a future we can all trust, which is vital to the development of our societies. The company provides solutions, services and products that help its customers – businesses, organisations and states – in the defence, aeronautics, space, transportation and digital identity and security markets to fulfil their critical missions, by placing humans at the heart of the decision-making process.

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