Experienced C++ Dev - Security Master

Posted 9 Hours Ago
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Budapest, HUN
In-Office
Senior level
Cloud • Information Technology • Internet of Things • Machine Learning • Software • Cybersecurity • Infrastructure as a Service (IaaS)
We are shaping the future of digital connectivity the world relies on.
The Role
Design, develop, test, and maintain C++ cloud-native microservices processing large-scale 4G/5G data streams. Own full SDLC, CI/CD, automated testing, debugging, and performance optimization. Act as team Security Master: drive vulnerability management, secure coding, compliance, assessments, and security awareness while collaborating with architects, developers, testers, and product stakeholders.
Summary Generated by Built In
Grow with us
Passionate about what the future holds within the Network Management domain? Looking for the next step in your career? Do you want to be part of breaking new grounds in Network Management technologies together with your team and colleagues? Then this is the time to let us know...
This is a job posting for Network Management Engineering within Solution Area Network Management, where we develop and maintain competitive offerings that support our Networks. Network Management Engineering is responsible for products for Network Management, Resource Orchestration and Automation domains.
In NM Engineering we pride ourselves on our ability to put our people as well as our customers in the center. Our innovative capability lies at the heart of everything we do. With around 1200 staff in mainly 3 countries, we describe our organization as geographically distributed but functionally centralized.
Our mission is to provide profitable Network Management products & solutions which are industry-leading, network-aligned and industrialized that enable automated , scalable, sustainable and efficient rollouts & operations for our customers.
We have an exciting opening and would like you to join our team!
About this opportunity:
We are looking for a security-focused C++ Software Developer & Security Master to join our agile team developing the CSM (Common Stream Mediation / Ericsson Stream Mediation) microservices within the Ericsson Stream Processing and Enrichment (ESPE) project.
CSM is a key component responsible for processing and mediating large-scale 4G and 5G RAN Performance Management data streams. As part of ENM's next-generation architecture, the team develops cloud-native microservices that handle high-volume, mission-critical telecom data.
In this role, you will combine hands-on software development with security leadership responsibilities. As the team's Security Master, you will drive security awareness, vulnerability management, compliance activities, and secure software development practices while actively contributing to the design and implementation of C++ microservices.
If you are passionate about software engineering, cybersecurity, cloud-native technologies, and telecom products, this could be the perfect opportunity for you.
What you will do (as part of agile team):
• Design, develop, test, and maintain CSM microservices using modern C++• Participate in the complete software development lifecycle, including requirements analysis, design, implementation, testing, integration, release, and maintenance• Develop high-quality, maintainable, and scalable software following Ericsson engineering standards• Troubleshoot and resolve complex product and customer-reported issues• Perform code reviews and contribute to continuous improvement of development practices• Collaborate with architects, developers, testers, and product stakeholders across ENM and ESPE organizations• Contribute to CI/CD pipelines and automated testing solutions
Security Master responsibilities:
• Drive security activities within the team and act as the primary security focal point• Coordinate vulnerability management, CVE analysis, remediation planning, and security follow-ups• Support secure coding practices and security-by-design principles• Monitor compliance with Ericsson security requirements and processes• Facilitate security assessments, risk evaluations, and security-related audits• Work closely with Product Security, Security Champions, and development teams to improve the security posture of the product• Promote security awareness and knowledge sharing within the team
Technologies used:
• Red Hat Enterprise Linux• Modern C++ (C++17/C++20)• Git/Gerrit• Docker, Kubernetes, Helm• Bash/Shell scripting• Python• Jenkins• SonarQube• Automated test frameworks and CI/CD tooling• Cloud-native microservice architecture
The skills you bring:
• BSc or MSc degree in Computer Science, Software Engineering, Telecommunications, or a related field• Software development experience in C++• Good understanding of Linux-based development environments• Experience with software design, debugging, troubleshooting, and performance optimization• Understanding of software security principles and secure coding practices• Ability to work effectively in an agile and cross-functional team• Strong analytical and problem-solving skills• Good command of English, both written and spoken
Advantage if you have qualifications & experience in:
• Telecommunications, OSS, or Network Management domains• Cloud-native and microservice-based applications• Security vulnerability management (CVEs, vulnerability remediation, threat analysis)• Security Master, Security Champion, or Product Security related responsibilities• CI/CD, DevOps, and test automation practices
Why join Ericsson?At Ericsson, you'll have an outstanding opportunity. The chance to use your skills and imagination to push the boundaries of what's possible. To build solutions never seen before to some of the world's toughest problems. You'll be challenged, but you won't be alone. You'll be joining a team of diverse innovators, all driven to go beyond the status quo to craft what comes next.
What happens once you apply? Click Here to find all you need to know about what our typical hiring process looks like.Encouraging a diverse and inclusive organization is core to our values at Ericsson, that's why we champion it in everything we do. We truly believe that by collaborating with people with different experiences we drive innovation, which is essential for our future growth. We encourage people from all backgrounds to apply and realize their full potential as part of our Ericsson team. Ericsson is proud to be an Equal Opportunity Employer. learn more.
Primary country and city: Hungary (HU) || Budapest
Req ID: 788767

Skills Required

  • BSc or MSc degree in Computer Science, Software Engineering, Telecommunications, or related field
  • Software development experience in C++
  • Modern C++ (C++17/C++20) experience
  • Good understanding of Linux-based development environments (Red Hat Enterprise Linux)
  • Experience with software design, debugging, troubleshooting, and performance optimization
  • Understanding of software security principles and secure coding practices
  • Experience with Git/Gerrit, Docker, Kubernetes, Helm, Bash/Shell scripting, Python, Jenkins, SonarQube, CI/CD and automated testing tooling
  • Ability to work effectively in an agile and cross-functional team
  • Strong analytical and problem-solving skills
  • Good command of English, both written and spoken
  • Experience in Telecommunications, OSS, or Network Management domains
  • Experience with cloud-native and microservice-based applications
  • Experience in security vulnerability management (CVE analysis, remediation, threat analysis)
  • Experience as Security Master, Security Champion, or other Product Security responsibilities
  • Familiarity with CI/CD, DevOps, and test automation practices

What the Team is Saying

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Ericsson Compensation & Benefits Highlights

  • Healthcare Strength Health coverage options are described as broad, with multiple medical plan choices (often three) plus dental and mental health resources. U.S. materials also reference PPO and HDHP options, and some teams contribute to HSAs.
  • Retirement Support U.S. postings outline a 401(k) with an automatic 3% company contribution plus matching that reaches 4% when employees contribute 5%. This combination is repeatedly listed in role postings and characterized as strong for the sector.
  • Parental & Family Support U.S. job descriptions frequently cite up to 16 weeks paid maternity leave and 6 weeks paid parental/adoption leave at 100% pay. These benefits are positioned as exceeding many U.S. corporate policies.

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The Company
HQ: Stockholm
88,000 Employees
Year Founded: 1876

What We Do

Ericsson builds the digital connectivity the world relies on. Our technology underpins the mobile networks, platforms, and systems that billions of people, businesses, and societies depend on every day. We are a global leader in communications technology, delivering mobile network infrastructure, cloud software, and wireless connectivity solutions for service providers and enterprises worldwide. Our networks support connectivity across 180+ countries, helping power everyday communication as well as critical digital services at global scale. Connectivity has evolved far beyond consumer mobile use. Today, nearly 80% of the world’s population accesses the internet via mobile networks, and Ericsson is helping shape what comes next. We are advancing 5G and 5G Advanced, developing network APIs that open connectivity to the global developer ecosystem, and applying automation and AI to make networks more intelligent, efficient, and resilient. Ericsson was the first company to launch live 5G networks on five continents, and our 5G platform is now commercially live in 150+ networks across 60+ countries. We also support more than 36,000 enterprise customers, enabling secure, high-performance connectivity for industries such as manufacturing, aviation, logistics, utilities, and public safety, where reliability and performance are mission critical. Innovation is central to how we work. Ericsson has approximately 28,000 employees in research and development, backed by one of the strongest intellectual property portfolios in the industry with 60,000+ granted patents. Our engineers, researchers, and technologists work across 100+ global R&D sites, helping define how networks evolve and how digital infrastructure is built for the long term. As the world moves toward a mobile-first, AI-powered, and cloud-driven future, connectivity becomes the foundation for digital transformation across every industry. Ericsson is building that foundation, shaping the future of digital connectivity through technology that operates at global scale and supports real-world impact, today and for what comes next.

Why Work With Us

Ericsson is a place for people who want to work on technology that powers everyday life. You’ll contribute to large-scale systems used every day, tackle complex challenges in live environments, and keep developing your skills and career in your own vision.

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