DWDM Technical Expertise Center engineer

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DWDM Technical Expertise Center engineer

Portugal(Hybrid)

In an increasingly connected world, the pandemic has highlighted just how essential telecom networks are to keeping society running. The Network Infrastructure group is at the heart of a revolution to connectivity, pushing the boundaries to deliver more and faster network capacity to people worldwide through our ambition, innovation, and technical expertise.

Join Optical Networks division, where innovation meets scale in the AI-driven data center era. With the recent acquisition of Infinera, we have united two industry leaders to create an optical networking powerhouse—combining cutting-edge technology with proven leadership to redefine the future of connectivity.

This position is part of the NI Division – GOTEC (Global Optics Technical Expertise Center) which primary objective is to provide 24 x 7 x 365 global product technical support on WDM products like: GX G40 Series, GX G30 Series, GX G3xc Series.

Your responsibilities

· Technical Expertise to guide / advise on network intervention practice, providing remote intervention to neutralize traffic effecting problems.

· 24 x 7 x 365 remote technical support.

· Leadership of the product anomaly resolution cycle.

· The definition and validation of solutions for product restrictions and problems.

· The analysis and diagnosis of bugs prior to escalation to R&D, including preliminary root cause analysis on HW and SW.

· Provision of Technical expertise and resources to define and perform customer demonstrations in Demo / PoC (Prof of Concept) / Type Approval for new / pre-CP product

· Work with a team of engineers to support the identification, characterization and verification of design defects or deficiencies in deployed products.

· Be able to diagnose and characterize product problems symptoms prior to escalation to R&D by replicating product defects using lab equipment.

· Direct interface to R&D to create, monitor and report SW/HW Defects

· Write and review generic test plans for customer lab evaluations, major initial network deployments, and field trials.

· Develop, verify, and document upgrade procedures in customer’s networks.

· Review and provide technical feedback on customer documentation.

· Contribute to technical input for transfer knowledge and sharing technical Articles or Product Notifications

· Assist with Type Approval Testing for new pre-CP products.

· Lead initiatives to Train on new products/features.

· Maintain lab equipment for customer demos and investigation/replications of product defects.

· Lead technical discussions with customers and R&D on product defects.

· The candidate will be expected to become a subject matter leader in WDM products.

· Independently works within broad guidelines and uses best practices and knowledge of internal or external business issues.

· This position requires someone willing and able to take responsibility to learn the products and associated technologies, via reading, formal training, on-the job experience, and working in the lab.

Your skills and experience

Travel : < 10% of the total working time could be spent on travel (domestic or international) and may sometimes be on short notice

· Master’s degree in electrical engineering, Computer Engineering, Computer Science, Telecommunications or a related field and 5 years of experience in the job offered or in escalation engineering support(R&D) in the optical networking industry.

· In lieu of a master’s degree and 5 years’ experience as stated, a bachelor’s degree (or foreign equivalent) and 8 years’ experience is accepted.

· English spoken/ written is mandatory.

· Experience working with products of Nokia products like 1830 PSS, 1830 GX or WDM related products is highly preferred.

· Extensive experience with optical test sets and solid optical troubleshooting skills using traffic generators, OTDR, OSA, BERT, optical power meters, etc.

· Practical knowledge of Transmission associated technologies (DWDM/OTN, Carrier Ethernet, PTN/MPLS-TP) and TCP/IP networking, L2/L3 routing and switching.

· Hands-on testing experience with ROADM, EDFA, Raman Amplifiers and Coherent Transponders.

· Prior experience in technical support for DWDM products or similar activities, i.e optical networks/DCN planning and optimization, systems verification, scripting and/or new product introduction experience is a strong plus;

PERSONAL ATTITUDE

· Desire to constantly learn by following the evolution of technology.

· Excellent inter-personal, oral, and written communication skill.

· Excellent problem-solving, detail-oriented and analytical skills, applicable to large and complex network scenarios.

· Team player and able of self-enabling on new technologies, new products.

· Knowledge sharing mindset, actively developing, and sharing knowledge via discussion forums and expert communities.

· Strong customer focus and quality mindset, ensuring 'first time' right solutions

· Self-motivated well-organized individual who can prioritize work and handle multiple tasks under pressure.

About Us

Advancing connectivity to secure a brighter world.

Nokia is a global leader in connectivity for the AI era. With expertise across fixed, mobile and transport networks, powered by the innovation of Nokia Bell Labs, we’re advancing connectivity to secure a brighter world.

Learn more about life at Nokia.

Our recruitment process

We act inclusively and respect the uniqueness of people. Our employment decisions are made regardless of race, color, national or ethnic origin, religion, gender, sexual orientation, gender identity or expression, age, marital status, disability, protected veteran status or other characteristics protected by law. We are committed to a culture of inclusion built upon our core value of respect.

If you’re interested in this role but don’t meet every listed requirement, we still encourage you to apply. Unique backgrounds, perspectives, and experiences enrich our teams, and you may be just the right candidate for this or another opportunity.

The length of the recruitment process may vary depending on the specific role's requirements. We strive to ensure a smooth and inclusive experience for all candidates. Discover more about the recruitment process at Nokia.

Apply Now

Job Info

• Job CategoryApplied R&D
• Posting Date05/08/2026
• Job ScheduleFull time
• Job TypeExperienced
• Job Identification33936
• Will NSA/CAPS approval be required? (E.g., accessing a US Customer Network?)No
• Role TypeIndividual contributor
• Laptop - support with ordering neededYes
• Experience levelExperienced
• LocationsRua da Garagem 1, Lisbon, 1100-090, PT(Hybrid)
• Regular or TemporaryRegular

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At Nokia, we want every candidate to be able to perform their best. If you need any adjustments or support during the recruitment process, please let us know. All requests are treated confidentially.

AI Statement: Nokia embraces the strategic use of Artificial Intelligence (AI) within our recruiting process to enhance the candidate experience and significantly improve our operational efficiencies. By leveraging AI-powered tools, we aim to create a more responsive and equitable journey for all applicants. Concurrently, we advocate for the intelligent, ethical, and safe use of AI by candidates and applicants when preparing and submitting their applications for our roles. This includes ensuring that any AI-generated content is thoroughly reviewed for accuracy, originality, and relevance, and that its use aligns with principles of transparency and integrity. Our goal is to foster a recruitment environment that benefits from technological advancements while upholding fairness, authenticity, and human oversight.

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