Optical Engineer

Techjob; København; Hybrid; DKK 700,000 - 1,100,000; Full time

Job summary

Celare Quantum Communications, based in Copenhagen, is seeking an experienced optical engineer to drive PIC development and CV-QKD test activities. You will collaborate with a small, agile team and work with international partners on cutting-edge quantum technologies.

You will contribute across the full product lifecycle, from early architecture through prototyping to production and deployment, with a hands-on role and direct impact on product success.

Qualifications

• MSc or PhD in optics or a closely related field.
• Strong hands-on experience with optics experiments and measurement techniques.
• Demonstrated ability to work across full product lifecycle from concept to deployment.

Responsibilities

• Lead PIC development activities and associated optical tests.
• Plan and execute PIC test campaigns.
• Develop optical subsystems for CV-QKD and QRNG products.
• Maintain and extend the company’s optical laboratories.
• Share specialist knowledge to help the team excel in product development.

Skills

Fiber optics experiments

Free-space optics

Digital/analog electronics

PIC development

Education

MSc or PhD in optics or similar

Tools

PIC technology

Optical laboratories

Job description

CelareQuantumCommunications isaDanishhigh-techquantumtechnologycompanywitha mission to radically improve cybersecurity and enable trusted global data sharing.

Our core product is a unique, cutting-edge technology born from years of university research calledContinuous-VariableQuantumKeyDistribution(CV-QKD).Thistechnologyenablespost-quantum secure key exchange for protecting sensitive data across critical infrastructure.

Celare partners with local and international governments, telecom operators, data centers, banks, defenseministries, and leading academic institutions. Overthepastyearourteamhas successfully launched commercial pilot deployments of our technology.

TheCelare Team

Weareahighlyspecializedandambitiousteamofquantumengineers,serialentrepreneurs, laser,RFandelectronicsspecialists,mathematicians,softwareengineers,andICandFPGA designers.

BasedinCopenhagen,wecombinedeepacademicexpertisewithhands-onexperiencein launching complex, high-impact technology products.

TheRole

Inthisroleyouwillgetauniqueopportunitytoworkatthecuttingedgeofquantumtechnology development. You will be part of a small team of optical engineers responsible for optical development and test activities in the company. You will have a key role in our Photonic Integrated Circuit (PIC) development activities as a technical point of contact with our development partners.

Aspartofasmallandagileorganization,youwillcontributeacrossthefullproductlifecycle— from early architectural decisions and prototyping to production and large-scale deployment. You will work both in collaboration with our team and independently as a specialist, sharing knowledge across disciplines.

Thisisahands-onrolewithrealresponsibilityandinfluence.Itoffersworkwithaninternational, multilingual and multicultural dynamic team with direct connection to academic research and bleeding-edge technologies.

TheroleissituatedonsiteinourCopenhagenheadquarters.

Responsibilities

• LeadingandcarryingoutvariousPICdevelopmentactivities
• PlanningandexecutionofPICtestactivities
• DevelopmentofopticalsubsystemsforourCV-QKDandQuantumRandomNumber Generator (QRNG) products
• Maintainingandextendingthecompany’sopticallaboratories
• Contributingspecialistknowledgeandcollaboratingtomaketheteamexcelat product development

Qualifications

• MScorPhDinopticsorsimilar
• 5+yearsofworkexperience
• Experiencewithconductingexperimentsinfiberand/orfree-spaceoptics
• ExperiencewithPICtechnologyanddevelopment
• Hands-onexperienceworkingwithdigital/analogelectronics
• (Optional)Experienceinusingquantumtheory

We Offer

This full-time position offers the opportunity to build and shape the future of quantum communication in collaboration with an experienced anddynamic team. Weprovideindividual growth plans aligned with your personal preferences and motivation. We offer competitive compensation, depending on qualifications.