Logo init AG

Firewall & Network Security Engineer

Job

  • Level
    Experienced
  • Location
    Leipzig
  • Working Model
    Hybrid, Onsite
  • Job Field
    IT, Network, Security
  • Employment Type
    Part Time
  • Contract Type
    Permanent employment

Job Summary

In this role, you manage heterogeneous firewall environments, design security strategies, automate processes, and collaborate closely with SOC teams to ensure network security and analyze security incidents.

Job Technologies

Your role in the team

  • Do you feel at home in both complex network infrastructures and modern firewall and security environments?
  • Do you want to not only administer policies but also actively contribute to the security and development of mission-critical networks?
  • As a Firewall & Network Security Specialist (all genders), you will manage the network security and firewall landscapes of our own infrastructure as well as those of our clients from the healthcare sector and the system house environment.
  • You work at the intersection of networking, security, and automation, administer heterogeneous firewall environments, assist in securing complex networks, and ensure a secure, high-performing, and highly available operation of mission-critical infrastructures.
  • The position can be filled either on a full-time or part-time basis.
  • You design, plan, and implement future-proof firewall strategies and rule sets in accordance with strict security requirements.
  • You select suitable firewall hardware and software, configure them (preferably directly via CLI), and integrate new security technologies.
  • You monitor firewall logs and connect system landscapes to SIEM solutions (Security Information and Event Management).
  • You work closely with the SOC and other IT teams, assist in the analysis of security incidents, and contribute your expertise in security reviews and optimization measures.
  • You leverage your Linux expertise and scripting skills to automate network and firewall processes efficiently.
  • You maintain security policies and configurations meticulously and create clear guidelines for the secure handling of network security technologies.

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Our expectations of you

Education

  • Completed IT degree or IT training with relevant professional experience in IT security.

Qualifications

  • In-depth knowledge of network topologies, routing protocols, VPNs, and segmentation concepts.
  • Manufacturer certifications in the firewall environment (e.g., Juniper, Fortinet, 6wind, Sophos) or ITIL knowledge are advantageous but not mandatory.
  • Strong analytical thinking, structured troubleshooting, and a communicative, team-oriented working style.
  • Very good German and good English skills, both written and spoken.

Experience

  • Several years of experience in the administration and maintenance of heterogeneous firewall systems from leading manufacturers - working on the CLI is a given for you or at least not unfamiliar.
  • Solid Linux skills and ideally experience in automating network or firewall processes (e.g., via Python, Ansible, or Bash).
  • Practical experience in security assessments, analysis of security-related events, and ideally in supporting incident response processes.

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What we offer

  • 30 vacation days and workation within the EU create space for relaxation and new perspectives.
  • Flexible working hours, remote work, and part-time models allow you to tailor your work and daily life—always coordinated with your team and your projects.
  • With the ]init[ Academy, training sessions, certifications, and cross-departmental knowledge exchange, you will continuously develop professionally and personally.
  • Benefit from cross-departmental knowledge exchange and continuously develop together with your colleagues.
  • JobRad, public transport subsidy, and other mobility benefits help you stay flexible and sustainable in your commute.
  • Welcome Week, structured onboarding, and mentorship programs ensure a successful start and help you quickly integrate into the team and your projects.

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Benefits

Work-Life-Integration

Health, Fitness & Fun

Topics You Will Work On

Job Locations

  • Location Leipzig

    Sachsen

    Germany

About Your Employer

init AG

init AG

INIT ist weltweit führender Anbieter von IT-Lösungen für Bus und Bahn. INIT unterstützt mehr als 700 Verkehrsunternehmen dabei, den ÖPNV attraktiver und effizienter zu gestalten.

Description

  • Company Size
    50-249 Employees
  • Company Type
    Established Company
  • Working Model
    Full Remote, Hybrid, Onsite
  • Industry
    Internet, IT, Telecommunication

Employer reviews

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Total

(1 Review)
3.5
  • Engineering

    2.5
  • Culture

    3.7
  • Career Growth

    3.6
  • Workingconditions

    4.4
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Logo init AG

Firewall & Network Security Engineer

Location
Leipzig
Working Model
Hybrid, Onsite
Diversity
Open for all genders

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