Skip to content

Network Engineer - All levels (Schwerpunkt Security Firewall) (m/w/d)

  • Dortmund, Nordrhein-Westfalen, Germany
Projects & Engineering

Job description

About Nomios GmbH:

Nomios GmbH is a leading technology company specializing in providing comprehensive networking and security solutions to enterprises and organizations. Our team of skilled professionals is committed to delivering top-notch services, enabling our clients to safeguard their networks and data effectively.

Job Description:

Nomios GmbH is seeking a talented and experienced Network Engineer with a strong focus on Security Firewalls. As a Network Engineer with a Security Firewall focus, you will be responsible for designing, implementing, and managing robust firewall solutions for our esteemed clients. The ideal candidate will have hands-on experience with FortiGate and Juniper SRX firewalls, along with knowledge of other firewall vendors and corresponding entry-level certifications.


  • Design, deploy, and manage security firewall solutions based on FortiGate and Juniper SRX firewalls to protect clients' networks and data.
  • Collaborate with cross-functional teams to understand client requirements and develop tailored firewall architectures.
  • Configure and maintain firewall policies, rules, and access controls to enforce network security best practices.
  • Monitor firewall logs and security events to proactively identify and mitigate potential security threats.
  • Perform regular security audits and vulnerability assessments to ensure the network's integrity and compliance.
  • Work closely with the IT Security team to implement security measures and respond to security incidents effectively.
  • Troubleshoot complex firewall-related issues and provide timely resolutions to minimize downtime.
  • Provide technical support and guidance to clients and internal teams regarding firewall configurations and best practices.
  • Stay up to date with the latest security trends and technologies to enhance network security capabilities.

Job requirements


  • Bachelor’s degree in computer science, Information Technology, or a related field.
  • Minimum of 3-5 years of hands-on experience as a Network Engineer, with a strong focus on security firewalls.
  • Proficiency in configuring and managing FortiGate and Juniper SRX firewalls is required.
  • Entry-level certifications from other firewall vendors such as Palo Alto Networks Certified Cybersecurity Associate (PCCSA) or Check Point Certified Security Administrator (CCSA) are a plus.
  • Thorough understanding of network security principles, firewall policies, and access controls.
  • Familiarity with VPN technologies, including IPsec and SSL VPN.
  • Knowledge of network protocols and security standards, such as TCP/IP, VPN, IPSec, SSL, and AAA.
  • Strong analytical and problem-solving skills to troubleshoot firewall-related issues efficiently.
  • Excellent communication and interpersonal skills to interact with clients and team members effectively.
  • Ability to work independently and collaboratively in a fast-paced environment.

Preferred Qualifications:

  • Advanced certifications in network security or relevant firewall technologies (e.g., Fortinet NSE, Juniper JNCIS-SEC, etc.).
  • Experience with other firewall vendors, such as Palo Alto Networks, Check Point, or Cisco ASA.
  • Familiarity with network segmentation and micro-segmentation strategies.

Job Specifics

  • This role is based at our Dortmund office, with flexibility for homeworking for up to 2-3 days per week if needed.
  • Flexibility with hours is required in the event of a major incident; the role will also include on-call responsibilities for occasional weekends.
  • Some travel should be expected, including overnight stays in DE and occasionally abroad when necessary.

Joining Nomios GmbH as a Network Engineer (Security Firewall Focus) offers an exciting opportunity to work on diverse network security projects, gain exposure to multiple firewall technologies, and collaborate with a team of experts in the field.

Have we sparked your interest?
Then please send your CV to -

We are looking forward to it!


Apply with Linkedin unavailable
Apply with Indeed unavailable