Key Responsibilities:

• Support and improve the internal R&D infrastructure and development environment
• Assist in maintaining CI/CD pipelines and automation workflows
• Help manage Linux-based systems, development tools, and containerized environments
• Monitor systems, identify issues, and support performance, reliability, and security improvements
• Troubleshoot infrastructure, software environment, and tooling-related issues
• Collaborate closely with software, QA, and network teams to improve engineering workflows
• Contribute to clear technical documentation and process standardization
• Support hardware and lab environment setup when needed

Requirements

• 1–4 years of experience in DevOps, infrastructure, system administration, or a similar technical role
• Basic to solid knowledge of Linux systems, preferably Ubuntu
• Experience with Git
• Familiarity with CI/CD tools such as GitLab CI or Jenkins
• Basic hands-on experience with Docker, Podman, or similar container tools
• Strong problem-solving skills and a collaborative mindset
• Fluency in English, spoken and written

Bonus Points:

• A passion for hardware & server maintenance
• Experience with C++, C, or Python
• Knowledge of embedded Linux or other Linux distributions (Arch, Alpine, Proxmox)
• Hands-on experience with virtual machines or cybersecurity

Key Responsibilities:

• Develop, test, and maintain software for embedded Linux platforms
• Support the design and implementation of new features together with senior engineers
• Participate in code reviews and technical discussions to improve software quality
• Collaborate with hardware engineers to ensure smooth system integration
• Debug and resolve software issues across different system layers
• Contribute to technical documentation and internal knowledge sharing
• Support existing products through maintenance and continuous improvement activities

Requirements:

• Experience with software design and architecture principles
• Ability to work effectively in a team environment
• Hands-on experience with C and/or C++ in embedded Linux systems is highly valued
• Knowledge of version control systems, especially Git
• Good problem-solving skills and willingness to learn
• Fluency in English, both spoken and written

Bonus Points:

• Experience with CMake
• Exposure to Yocto or similar embedded build frameworks
• Understanding of software design principles
• Experience working with hardware-related projects
• Familiarity with debugging tools in Linux environments

Key Responsibilities:

• Design, develop, and maintain GUI and control system software based on a Qt5 cross-platform architecture using C++14/17
• Deliver well-scoped software development tasks in line with team plans and project goals
• Identify and implement appropriate technical solutions for project-specific integration requirements
• Write clean, reusable, efficient, and maintainable code with a strong focus on quality and reliability
• Participate in code reviews and design discussions to support engineering standards and best practices
• Contribute to project planning by helping define milestones, deliverables, and technical estimates
• Extend, improve, and document shared modules and software libraries
• Work collaboratively in an Agile/Scrum environment, contributing to sprint planning, stand-ups, and retrospectives
• Maintain awareness of customer and project needs, and support technical decisions in cooperation with stakeholder

Requirements:

• Strong knowledge of C++14 / C++17 and object-oriented software design
• Experience developing GUIs and applications using the Qt5 framework
• Good working knowledge of Linux as both a development and target platform
• Experience with Git in a collaborative development environment
• Familiarity with XML for configuration and data exchange
• Experience working in an Agile / Scrum environment
• Confidence using bash scripting for development or build-related tasks
• Familiarity with collaboration tools such as Jira, Confluence, Teams, or Slack
• Good communication skills and the ability to work effectively in a close-knit team
• Ability to work independently, take ownership of tasks, and drive issues to resolution
• Fluency in English, both spoken and written

Bonus Points: 

• Experience with Ubuntu / Debian Linux systems
• Familiarity with GitLab and CI/CD pipelines
• Knowledge of VoIP / telephony technologies such as Asterisk, SIP, or PCM
• Experience with network analysis tools such as Wireshark
• Knowledge of PostgreSQL or other relational databases
• Experience with Docker or VirtualBox
• Python scripting skills
• Familiarity with test-driven development (TDD)
• Knowledge of XMPP or ONVIF protocols
• Exposure to web development technology

In this role, you will contribute to architectural decisions, help establish secure-by-design practices, and take ownership of key components within our solution landscape.

Work location: Oslo or Horten.

Most important responsibilities will be:

• Contribute to the design, development, and maintenance of cloud-based services and APIs.
• Gradually take on the role of the team’s cyber security lead, ensuring solutions comply with industry standards and regulatory requirements such as GDPR and SOC 2.
• Define, implement, and maintain secure architecture, data handling processes, and access governance.
• Work closely with colleagues to deliver high-quality, robust, and maintainable implementations.
• Participate in architectural reviews, threat modelling, and the establishment of secure development processes.
• Support continuous improvement of development practices, automation, and operational reliability.

Required Qualifications:

• Proven experience with API implementation and REST-based services
• Solid understanding of API security, authentication, authorization and certificates
• Knowledge of access management, identity principles, and secure communication
• Ability to produce clean, maintainable, and well‑structured code
• Experience with Azure cloud services, such as:
• IoT Hub
• App Services
• Databases and storage solutions
• Azure Functions
• Container Apps or comparable compute services
• Interest in security frameworks and compliance processes

In addition, we are looking for the following competencies on the ‘nice to have’-list. Please apply even if you do not meet all criteria.

Knowledge of security frameworks and compliance processes

Experience with event‑driven or message‑based architectures:

• MQTT (pub/sub)
• Service Bus, Event Grid
• Kafka
• Exposure to microservice architectures and distributed systems
• Experience with EF Core or other data-access frameworks
• Background in cloud governance or secure development lifecycle practices
• Hands-on experience with CI/CD pipelines and deployment environments
• Familiarity with containerization technologies (e.g., Docker)

We are looking for someone who brings both technical strength and personal drive to the team:

• Takes ownership and accountability, showing initiative and following through on commitments.
• Thinks in a structured and analytical way, especially within system design and security.
• Demonstrates professional integrity and reliability, particularly when handling sensitive data and compliance requirements.
• Communicates clearly and collaborates effectively in a multidisciplinary, international environment.
• Shows curiosity and a strong growth mindset, with a desire to explore new technologies and continuously improve.
• Applies pragmatism, balancing ideal architectures with real-world constraints and delivery needs.

Not exactly what you are looking for?

We also have an open position as Software developer within R&D in Oslo and Horten: Software Developer

Are you a passionate software developer looking for an exciting opportunity to contribute to cutting-edge technology solutions? Zenitel, a global leader in intelligent communication solutions, is seeking a skilled software developer to join our team in either Oslo or Horton. This is your chance to be a part of a company that is at the forefront of communication technology, providing innovative solutions for critical communication needs worldwide.

About Zenitel: 

Zenitel has been transforming the way organizations communicate for over 100 years. We specialize in providing critical communication solutions for challenging environments, ensuring safety, security, and operational efficiency. Our products include advanced communication systems, intercom solutions, and integrated communication platforms, all designed to deliver seamless communication in industries such as maritime, transportation, healthcare, and more.

What You'll Do: 

As a Software Developer at Zenitel, you will have the opportunity to work on a variety of projects that directly impact our innovative product portfolio. You will collaborate with a talented team of developers, engineers, and designers to create high-quality software that drives the next generation of communication solutions. Your responsibilities will include:

• Designing, developing, and maintaining unified critical communication applications and software components.
• Collaborating with cross-functional teams to ensure the integration of software with Zenitel products in Norway, UK and Croatia.
• Contributing to the continuous improvement in use of technologies and way of working

What We're Looking For:

• Bachelor's or Master's degree in Computer Science, Software Engineering, or a related field.
• Proficiency in programming and a strong understanding of object-oriented design principles.
• Experience with software development tools and practices
• Knowledge of networking protocols, communication systems, or real-time applications is a plus.
• A proactive and collaborative mindset, with excellent problem-solving skills.

Why Zenitel:

Innovation: Be part of a company that is constantly pushing the boundaries of communication technology.

Global Impact: Contribute to solutions that are used in critical environments around the world.

Collaborative Culture: Join a diverse team of professionals who are passionate about what they do.

Career Growth: We believe in fostering the growth of our employees and providing opportunities for advancement.

Location: You can choose to work from either our Oslo or Horten office, both of which offer a dynamic and inclusive work environment.

Are you ready to make a significant impact in the field of communication technology? Join Zenitel and be a part of our journey to shape the future of intelligent communication solutions.

Not exactly what you are looking for?

We also have an open position as Cloud developer within R&D in Oslo and Horten: Software developer, Cloud.

Key Responsibilities

• Produce test plans for software and hardware products.
• Design flexible test environments to suit the test plans and department requirements.
• Automate tests using appropriate environment (scripting, user interfaces and test rigs).
• Set up and conduct manual and automated testing on new or updated hardware and software.
• Conduct internal training courses on new products and new product features.

The Candidate

Skills & Attributes 

The successful candidate will:

• Be a team player, comfortable working in a close-knit team and building strong professional relationships.
• Be inquisitive to understand the products and customer use cases.
• Be able to work independently, pro-actively making decisions, problem solving and driving issues to a conclusion.
• Have good communication skills (both written and verbal).
• Organise and communicate on own work activities aligned with the wider business objectives.
• Have strong technical skills and a desire to develop these.
• Be hands-on with using the hardware and software, ideally familiar with electronic test equipment.

Knowledge & Experience

Candidates will ideally be able to offer several of the following skills/experience:

• Product testing of embedded systems (software and hardware).
• Proficiency in Python (or other language) for scripting and developing automated tests.
• Knowledge of Linux (Ubuntu).
• Knowledge of networking.
• Knowledge of audio testing.
• Knowledge of Voice over IP solutions (SIP and Dante).
• Knowledge of electronics. 

Education & Qualifications

Good degree in computer science, electronics engineering or similar background.

ISTBQ certification preferred (minimum basic level).

Key Responsibilities 

• Developing and maintaining C/C++ application code running on ARM-based Linux and RTOS platforms.
• Writing code that is appropriately flexible, reusable, efficient, and adaptable to changing requirements.
• Contributing to software architectural and design decisions.
• Writing unit and integration tests; supporting formal verification activities.
• Working in a structured environment following safe and secure development principles.
• Reviewing peer code with a focus on correctness and maintainability.

Skills & Attributes 

The successful candidate will:

• Proactively assess and eliminate root cause when faced with technical barriers.
• Be a team player, comfortable working in a close-knit team and building strong professional relationships.
• Actively support less-experienced members of team by helping them with their development, providing guidance, and setting a good example.
• Take responsibility for any failures in the project and take action to prevent them in the future. Embrace and share the learning.
• Be inquisitive to understand the products and customer use cases.
• Be able to work independently, pro-actively making decisions, problem solving and driving issues to a conclusion.
• Have good communication skills (both written and verbal).
• Organise and communicate on own work activities aligned with the wider business objectives.
• Have strong technical skills and a desire to develop these.
• Be hands-on with using hardware and software, ideally familiar with electronic test equipment

Knowledge & Experience

Candidates will ideally be able to offer several of the following skills/experience:

• 3+ years of professional software development experience
• Strong proficiency in C++ -- solid understanding of memory management, concurrency and SOLID design principals.
• Embedded Linux experience: cross-compilation, BSP familiarity, device interfaces 
• Comfortable working with networking fundamentals — TCP/IP, UDP multicast, socket programming 
• Experience developing and maintaining Cross-platform applications in Qt.
• Experience with build systems (CMake) and version control (Git) 
• Ability to read and contribute to technical specifications and architecture documents

Education & Qualifications

Good degree in computer science, electronics engineering or similar background.