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  • R&D Air Traffic Management Networks | Austria | Vienna | FREQUENTIS AG
    We are looking for a Test Engineer who will create test strategies and plans and be responsible for planning the test environment. You will analyse requirements for testability and assign them to the test phases. Please apply if you have experience in test engineering, the ability to work in a team and assertiveness.
  • Data Solutions | Germany | Karlsruhe | FREQUENTIS Comsoft GmbH
    In this multifaceted role, you will play a key part in customer consulting and the technical design of our solutions in the field of air traffic management systems.
  • As a Application Security & DevSecOps Specialist within the System Security Competence Centre (SSCC) Core Team—you will be responsible for ensuring that system security standards are defined, maintained, and effectively applied to all Frequentis products and projects. Through close collaboration with project, product, and operational teams, the Application Security & DevSecOps Specialist supports the consistent, efficient, and compliant integration of system security best practices across the organization.
  • Air Traffic Management (ATM) | Austria | Vienna | FREQUENTIS AG
    You established your strength and experience within the Network, Infrastructure and Cybersecurity environment? In that case you might enjoy this exciting key role @ Frequentis Air Traffic Management (ATM)!
  • Air Traffic Management | Romania | Cluj-Napoca, Cluj | FREQUENTIS Romania SRL
    On this job, you will contribute to continuously modernize and evolve our deployment and configuration automation solution, to keep up with state of the art technologies and methodologies.
  • United States | Maryland, Columbia | FREQUENTIS USA, Inc.
    DevOps engineers are passionate about mission critical systems deployment, management, and monitoring. Our product line covers many diverse areas such as distributed service-oriented architectures, low-latency telecommunications processing, and high availability. Each of these areas in a mission critical environment contains their own unique and difficult problems to solve. As such, a strong technical foundation coupled with the desire to learn, grow, and solve hard problems would make for a strong addition to our team.
  • United States | Maryland, Columbia | FREQUENTIS USA, Inc.
    We are seeking a strategic and results-driven Director of Finance to join our Executive Leadership Team. This key role requires a visionary problem solver who can identify and transform tangible opportunities into profitable ventures in close collaboration with senior management. This involves identifying opportunities, developing a viable business plan and executing the plan incl. implementation of organizational and business structures effectively in close collaboration with the Senior Management Team. The successful candidate has comprehensive knowledge and experience with Government Contracting, is reporting to the President and is the financial leader of the company.
  • Programms Contract Management/STRATO | Austria | Vienna | FREQUENTIS AG
    To strengthen our Program's Contract Management team in Vienna, we are looking for a versatile professional with a strong interest in negotiation, contracting, and commercial oversight—especially in the context of large-scale deals. You have a client-focused mindset and excel at building lasting relationships based on trust with institutional and major clients. You bring proven leadership skills and collaborate effectively across diverse functions. Your ability to combine strategic vision with operational precision, along with a commercial approach to contract development, makes you a valuable contributor to our team and helps highlight Frequentis' added value.
  • United States | Maryland, Columbia | FREQUENTIS USA, Inc.
    The successful candidate will be a member of the Field Engineering team providing technical support and field services in integrating, testing, modifying, and repair for the Voice Switching and Networking product line. We are seeking disciplined, effective Field Engineers with a progressive track record of excellence, using strong technical, analytical, and problem-solving capabilities. Technologies include networking, digital and analog interfacing, Internet Protocol, microprocessor and analog components, and proprietary and commercial software components.
  • Air Traffic Management | Romania | Cluj-Napoca, Cluj | FREQUENTIS Romania SRL
    You will work for X10 FAA project which is Frequentis innovative voice communication solution based on a state-of-the-art service-oriented architecture, facilitating the transition of pure ATM-based voice communications to Unified Aeronautical Communications for the FAA (Federal Aviation Administration).
  • Unmanned Traffic Management | Romania | Cluj-Napoca, Cluj | FREQUENTIS Romania SRL
    As part of our team, you will actively develop products in an international environment, where experienced people will help you further develop your skills and advance in your career.
  • Air Traffic Management | Slovakia | Bratislava | FREQUENTIS Solutions & Services s.r.o.
    We are looking for a System Engineer who will be responsible for designing, deploying, and maintaining secure, high-availability Linux-based systems that support the Remote Digital Tower infrastructure, ensuring seamless and reliable air traffic management operations.
  • Group HR | Austria | Vienna | FREQUENTIS AG
    As a Global Employee Mobility Tax Expert, you are the central point of contact for all tax and social security matters related to international employee assignments – both incoming to Vienna and outgoing worldwide. You ensure compliance, advise employees and managers, and actively contribute to the tax-compliant implementation of global mobility, working closely with the immigration expert and corporate tax team.
  • Experience Meets Responsibility – Securely Managing International Supply Chains | Austria | Vienna | FREQUENTIS AG
    As an experienced Global Trade Compliance Officer, you will play a key role in ensuring compliance with international trade and customs regulations. You will navigate complex regulatory requirements with foresight, establish structures, processes, and awareness, and serve as a trusted point of contact for business, legal, and government authorities.
  • Public Transport | Austria | Vienna | FREQUENTIS AG
    You ensure that software modules interact smoothly and that our systems meet the highest quality standards. With your integration strategy, you actively contribute to the safety of rail traffic. In close cooperation with development, product management and test teams, you will identify challenges at an early stage and find efficient solutions.
  • United States | Maryland, Columbia | FREQUENTIS USA, Inc.
    Lead Systems engineers are passionate about mission critical systems deployment, management, and monitoring. If you have side projects, investigate technologies at home, and enjoy reading about and discussing leading edge technology, then you sound like a great fit. Our product line covers many diverse areas such as distributed service-oriented architectures, low-latency telecommunications processing, and high availability. Each of these areas in a mission critical environment contains their own unique and difficult problems to solve. As such, a strong technical foundation coupled with the desire to learn, grow, and solve hard problems would make for a strong addition to our team.
  • Romania | Cluj-Napoca, Cluj | FREQUENTIS Romania SRL
    This position is all about testing a complex project in a manual-functional-end-to-end manner. The test engineer, in this position, will have a major contribution to the development of safety critical software used in Air Traffic Management. If you think Air Traffic Management is cool and want to help air traffic controllers do a better job and keep passengers safe, we look forward to meeting you!
  • Network and Infrastructure Services | Austria | Vienna | FREQUENTIS AG
    Join Frequentis AG’s Network & Infrastructure Services (NIS) team — the backbone of mission-critical communication systems across aviation, public safety, and defense. We design, build, and operate secure, high-availability networks that keep people and infrastructure safe. As a Network Engineer, you’ll take ownership of designing, implementing, and supporting modern network architectures used in safety-critical environments. You will work on international delivery projects, from datacenter infrastructure to customer site integration, ensuring our systems are robust, monitored, and compliant with security standards.
  • NIS | Germany | Karlsruhe | FREQUENTIS Comsoft GmbH
    Your new team is responsible for network, infrastructure, and security. We see ourselves as the pit crew for our customer projects. It is our job to support our colleagues in customer projects in these areas.
  • New Business Development | Austria | Vienna | FREQUENTIS AG
    You have extensive experience in new business development and are characterised by entrepreneurial thinking, a confident, empathetic personality and a hands-on mentality. If you are passionate about fostering partnerships in an international environment and have a deep understanding of sales processes, then this position is for you.