
K Two Technology Consulting AB · Stockholm
We seek a highly skilled and experienced UE Engineer to join our dynamic team. The ideal candidate should possess a robust background in UE technologies. Resp...
We seek a highly skilled and experienced UE Engineer to join our dynamic team. The ideal candidate should possess a robust
background in UE technologies.
Our consultants are renowned for their high technical expertise, interpersonal skills, experience, responsiveness, and winning
demeanor. You should have strong technical skills, good values, and be a great team player. We're assembling winners!
Sounds interesting?
We hope so! We place significant emphasis on personal qualities and your commitment. If you share our values and want growth,
please get in touch!
We are looking for skilled Telecom Testers with solid experience in protocol-level testing, RAN traffic validation, and telecom system integration. This role involves working hands-on with end-to-end RAN testing, 3GPP protocol analysis, and using a wide array of telecom testing tools. Candidates with more than 5 years of experience are welcome, though we strongly prefer profiles with 8–10+ years of deep, hands-on experience in telecom testing and system validation. You should be able to work independently, manage test setups, and analyze complex signaling scenarios. Experience with 5G gNodeB setups and telecom infrastructure is highly valued. Key Responsibilities: * Perform end-to-end RAN traffic testing, including RAN configuration and UE control * Analyze logs and troubleshoot RF and signaling issues across L1/L2/L3 layers * Interpret and validate 3GPP protocols for 4G/5G * Handle test equipment and tools such as: Viavi, FsUE, LTE Sim, UCTool, C2RS, QXDM, Moshell, ICA, TGF, Ixia, Spectrum Analyzers, and Signal Generators * Understand and test single-server gNodeB deployment along with RHOSP and CNIS integration * Collaborate with other teams for ENI design validation and network component testing Requirements: * Minimum 5 years of experience in telecom system testing (preferably RAN/E2E) * Preferred: 8–10+ years of hands-on telecom testing experience, including protocol-level debugging * Strong understanding of 3GPP protocols and telecom signaling at L1, L2, L3 * Familiarity with testing tools like QXDM, Viavi, FsUE, Moshell, and similar * Knowledge of gNodeB components, CNIS, and RHOSP setup * Ability to analyze signaling traces and troubleshoot E2E connectivity * Strong documentation and communication skills What we offer: * Health insurance and wellness benefit. * Regular team-building activities and seasonal events * A supportive, technically strong team environment * Market-aligned salary * Visa sponsorship and full relocation support (If required) * Assistance with visa extensions (If applicable) WHY K TWO? At K Two, our consultants are known for their strong technical and social competence, deep industry experience, responsiveness, and winning attitude. We value not just skilled developers, technicians, and team leads—but also true consultants who thrive on delivering value. We're in the business of assembling winners. Join us, and discover that working with and for K Two is more than just a job—it's a genuinely rewarding experience. Sounds interesting? Apply Now If you're a capable Telecom Tester who enjoys solving real-world network challenges and working hands-on with advanced telecom systems, we’d love to hear from you. Whether you're currently based in Sweden or planning an international move, we’re here to support you every step of the way—with visa sponsorship, relocation assistance, and a welcoming team environment. Join us in shaping the future of telecom technology—apply today and become part of something rewarding.
At Umain, we're not just creating software; we're crafting the future, one innovative project at a time. With our motto "Shape, Ship, Scale," we empower our team to not only envision the future but also play a pivotal role in building it. We're a dynamic team where you can shape the future, ship groundbreaking solutions, and scale your abilities in many different ways. We're on the lookout for developers ready to join us in this journey, bringing passion, creativity, and dedication along with them. The role is ideal for engineers with demonstrable skills in AI as well as for software engineers who have recently transitioned to AI and ML expertise, and offers an opportunity to develop your craft whilst working closely with clients on delivering AI solutions to real-world challenges. We are seeking an AI Engineer with experience in building robust, scaleable, AI powered solutions. The ideal candidate combines a product engineering mindset with a deep enthusiasm for advancing AI capabilities. They demonstrate a great understanding of core AI concepts, product development workflows, and embodies team spirit. AS AN AI ENGINEER AT UMAIN, YOUR ROLE WILL INVOLVE: * Assisting our clients in clarifying their questions and determining if using AI is a suitable solution for them * You understand the limitations of a model and how to address them within the product's UX * Experience architecting agentic solutions (context, memory, and tool/skill handling) and implementing them using frameworks such as Mastra, Microsoft Agent Framework, LangChain/LangGraph. * Applying stochastic test casing and trace-based reasoning to evaluate, test, and improve agent behaviour, supported by observability tooling (Langfuse, Promptfoo, etc.). * Understanding and applying core AI concepts such as redlining, document chunking for accuracy, efficient use of embeddings, and debugging AI systems * Validating, deploying, monitoring, and maintaining built models, ensuring they can be used at scale * Developing and maintaining end-to-end data pipelines and machine learning workflows, optimizing for performance and reliability * Working with diverse, cross-functional teams on projects that deliver groundbreaking AI solutions for global brands WE ALSO WELCOME EXPERIENCED SOFTWARE ENGINEERS LOOKING TO TRANSITION INTO AI: * Strong product development background with several years of software engineering experience * Active engagement in AI (agents, wrappers, context engineering) * Knows how to work efficiently in a product/engineering team WHO YOU ARE: We value candidates who demonstrate: * Great delivery skills: Proven capability to deliver AI solutions * Strong AI intuition: A deep understanding of AI concepts * Curiosity: Enthusiasm for emerging technologies, creativity in problem-solving, and an eagerness to learn in a rapidly evolving AI landscape * Full-stack product thinking: Frontend or backend experience outside the traditional AI field, with the ability to build end-to-end * You're a developer with a passion for innovation and a knack for problem-solving. * You're eager to learn, grow, and take on new challenges. * You value collaboration, diversity, and the opportunity to make a significant impact. * You believe in the power of technology to shape the future. WHAT WE OFFER: * A chance to work closely with global brands on a range of diverse and unique projects that explore and truly push the boundaries of what's possible. * A fun and fair work environment where you have the opportunity to expand your skills through unique challenges and fantastic colleagues. * A personal coach, and a setting where you can grow professionally and personally. * Being part of multidisciplinary teams, participating in agile teams, being an important player in a highly ambitious setting. WHY UMAIN? Career Framework: We believe in fairness and clarity, which is why we've established a transparent career framework to ensure equal pay and equal opportunities for all. Your growth and success are as important to us as they are to you. Together with your coach, you will build your own development plan and grow in your career. Work-Life Balance: At Umain, diversity is our strength. We understand that life doesn't pause when you walk into the office. That's why we've cultivated an environment that supports an excellent work-life balance. We welcome team members from all walks of life, recognizing the richness that different backgrounds, ages, and life stages bring to our team. We're committed to supporting each other, encouraging a healthy work-life balance that respects your needs, whether it's taking care of your family, your pets, or yourself. Innovations and Learning: Technology is always evolving, bringing new challenges and opportunities for collaboration and learning. Our developers work closely with designers, analysts, testers and more to tackle these challenges head-on, sharing knowledge and growing together. Skills Over Degrees: We're more interested in what you can do than in the diplomas you hold. Talent, drive, and creativity are what count at Umain. Here, you'll find opportunities to grow, learn, and excel in your career, regardless of your educational background. If you have the ambition and commitment to succeed, we have the environment and resources to support your journey. Background Check: Umain conducts a background check for final candidates in accordance with our internal policies. The check is carried out only with your consent and is ordered by our CISO through our approved screening partner. The scope of the check depends on the role level. This step is performed late in the recruitment process and is used solely to support a secure and fact-based hiring decision.
Required Skills: Datacenter / Hardware / Cable Management / Troubleshooting / Root Cause Analysis Description: Required Qualifications: High school diploma, GED, or equivalent, and basic knowledge of computer hardware and components. Preferred Qualifications: High school diploma, GED, or equivalent and basic knowledge of computer hardware and components AND 1+ year(s) of experience supporting IT equipment or related technology. Service Delivery: Prepares, stages, sets up, and performs basic startups and shutdowns for hardware (e.g., racks, hard drives, switches) according to specifically written instructions provided via checklists, guides, standard protocols, emails, guidance from other technicians, and/or direction from management; escalates resolution of challenging or complex tasks to others as needed to meet Service Level Agreements (SLAs) and may perform tasks in tandem with other technicians to comply with procedures and safety protocols. Performs basic diagnostics and troubleshooting with guidance from experienced technicians and by following standard procedures to identify the cause(s) of issues and replace faulty components with minimal customer and business disruption; escalates troubleshooting complex issues appropriately. Follows procedures to communicate, report, and escalate incidents to appropriate Microsoft data center operations management units and Technician Leads. Decommissions hardware for simple changes and refreshes (e.g., memory upgrades, OS rebuilds) following standard procedures seeks clarification and guidance from more experienced technicians as needed; escalates complex decommissioning work and discrepancies in projects or tickets to senior or lead technicians when appropriate; processes data-bearing devices for destruction or confirms any data contained have been eradicated. Managing Services: Contributes to issue tracking through escalations by asking questions and seeking guidance on timely resolution of issues from more experienced technicians. Develop an understanding of cross-functional processes to support partnerships with internal and external stakeholders. Completes required training aligned to the role and workload; observes more experienced technicians to gain hands-on experience and relevant on-the-job training (OJT); may complete additional training to obtain or maintain relevant role certifications. Data Center Work Environment: Participates in daily safety briefings, completes required safety training, complies with safety procedures (e.g., equipment use, lifting, electrical hazards, ladder/rolling stair use), completes required Task Hazard Analysis (THAs), and uses appropriate tools and Personal Protective Equipment (PPE) for assigned tasks; adheres to and promotes a culture of safety, takes action and alerts others to safety concerns and/or incidents; participates in Get Out And Look (GOAL) safety observations. Complies with security and data management procedures and policies with guidance from other technicians, and completes required security training; may escort third-party vendors or IT support on-premises at data centers or network sites; appropriately takes action and alerts others to security concerns and/or incidents. Contributes to a positive and effective team environment by sharing information with others, contributing to regular team meetings, asking questions and staying apprised of the status of others' work, and partnering with other technicians to complete and/or hand off tickets as needed; responds to feedback received on ways to work more effectively within their team and adopts best practices shared within and across technician teams.