Network Security Architect

OHB SE, domiciled in Bremen, is Germany's first listed space and technology company. Three business units offer international customers sophisticated solutions and systems. With over 40 years of experience in high technology together with its integrated skills in the areas of space technology and telematics, OHB Group is ideally positioned as one of the leading independent forces in the European space, aeronautics and telematics industry. OHB ‎SE currently has approx. 3,200 employees.‎

For permanent employment OHB SE in Bremen is looking for a

Network Security Architect (m/f/d)

Your Tasks

Position Goal:

As a Network Security Architect, you will be responsible for safeguarding our network architectures in hybrid environments. Your goal is to design a robust and scalable security infrastructure that ensures integrity and resilience across all network domains.

Job Description:

• Develop and maintain network security architecture for hybrid environments (terrestrial, non-terrestrial, space-based)
• Define and implement security policies and technical controls for core, edge, and user segment networks
• Ensure secure integration of communication systems across terrestrial, satellite, and cloud domains
• Conduct threat modeling, risk assessments, and vulnerability analyses
• Coordinate with subcontractors to implement security requirements and review compliance documentation
• Develop and implement network security monitoring strategies (telemetry, anomaly detection)
• Lead incident response and recovery measures for faster containment and recovery during security events
• Advise engineering teams on security best practices and secure design principles

Your Qualifications

• Degree in Cybersecurity, Computer Science, Telecommunications, or a related field
• Valid experience in network security architecture, preferably in aerospace or critical infrastructure sectors
• In-depth knowledge of network protocols and technologies (IP/MPLS, BGP, OSPF, SD-WAN)
• Expertise in security solutions such as firewalls, VPNs, IDS/IPS, SIEM, PKI, and endpoint protection
• Experience with secure integration of cloud, satellite, and edge networks
• Familiarity with security frameworks (e.g., NIST, ISO and regulatory requirements
• Strong analytical, problem-solving, and communication skills
• Certifications like CISSP, CISM, or Cisco Security (CCNP Security) are a plus

We offer

Work Life Balance: Flexible working hours, sabbatical, 30 days vacation & special leave days

Mobile Work: Hybrid work & mobile work abroad

Structured on-boarding process (incl. Assignment of a buddy in the first months)

Development: Extensive range of training courses, individual professional development, German language courses & annual employee dialogue

space projects

Additional benefits: 13. monthly salary, accident insurance & company pension plan

Catering: High standard company restaurant & generous meals subsidy

Active health promotion: Health management, E-GYM Wellpass & In-company sports groups

Family: Kindergarten subsidy / Kindergarten places, Childcare in the vacation period & paid child sickness days

Mobility: Subsidized Deutschland ticket, Job bike & parking lots

Company parties & events: Christmas party, Satellite launch events, NextGen Speakers Night

Innovation: Company suggestion system & free research and development

A complete overview of our benefits and more details can be found here on our website.

Become part of our international team and take your professional and personal development to a new level. Don't fulfil all the requirements? No problem - we are happy to receive applications with partial matches We are looking forward to your application in German or English via our online tool.

OHB SE

Human Resources

Questions regarding this posting? Christian Wolten is available under