Senior Embedded Networking Developer

HCL Technologies Limited; Barcelona; Híbrido; EUR 90.000 - 130.000; Jornada completa

Descripción de la vacante

HCL Technologies Limited is seeking a Senior Network & Cloud Infrastructure Engineer to design, implement, and manage hybrid and cloud-native network environments for enterprise customers. You will work closely with clients to ensure resilient, secure infrastructure and provide ongoing advisory support.

This role requires 6–8+ years of network administration, deep hyperscaler expertise (Azure/AWS/GCP), and strong English/Spanish communication.

Formación

• 6–8+ years of network administration experience in enterprise environments.
• Deep expertise in at least one hyperscaler platform (Azure, AWS or GCP).
• Experience designing HA/DR topologies across hybrid or multi-cloud environments.
• Strong written and verbal communication in English and Spanish.

Responsabilidades

• Design, deploy, and administer enterprise-grade network infrastructure across on-premises and hybrid environments.
• Architect and implement HA and Disaster Recovery solutions to meet SLA targets.
• Manage cloud networking components within Azure, AWS, or GCP, including VNets/VPCs, subnets, peering, VPN gateways, load balancers, and security groups.
• Configure and manage Network Security Groups, firewall policies, and DNS across networks.
• Oversee DNS architecture across internal and public-facing zones with hybrid resolution strategies.
• Collaborate with globally distributed teams and conduct requirement workshops with customers.
• Develop and maintain technical documentation including network diagrams and runbooks in English and Spanish.
• Proactively identify risks and drive continuous improvement for reliability and performance.

Conocimientos

Embedded networking

C/C++ programming

Networking protocols

Cloud networking

Documentation

Customer support

Descripción del empleo

The Senior Networking Developer plays a crucial role in designing, developing, and maintaining embedded networking solutions. This position is integral to ensuring high-quality, efficient code delivery that aligns with client requirements and organizational standards. The role involves troubleshooting, enhancing existing systems, and providing technical support, ultimately contributing to the success of embedded networking projects.

Key Responsibilities

Senior Network & Cloud Infrastructure EngineerInfrastructure & Connectivity · Individual Contributor · Remote / HybridAbout the roleWe are looking for an experienced Senior Network & Cloud Infrastructure Engineer to join our team and serve as a trusted technical advisor for our enterprise customers. You will design, implement, and manage complex hybrid and cloud-native network environments while working directly with customers to ensure resilient, secure, and high-performing infrastructure. This is a highly collaborative, customer-facing role that requires deep technical expertise combined with the ability to communicate clearly across technical and non-technical audiences.Experience6–8 yearsNetwork administration (minimum)Cloud expertiseHyperscalerAzureAWSGCPLanguagesBilingualEnglishSpanishWork modelVirtual / DistributedGlobal & dispersed teamsKey responsibilitiesDesign, deploy, and administer enterprise-grade network infrastructure including routing, switching, firewalls, and SD-WAN solutions across on-premises and hybrid environments.Architect and implement High Availability (HA) and Disaster Recovery (DR) solutions ensuring business continuity and meeting agreed SLA targets.Manage and optimize cloud networking components within Azure, AWS, or GCP — including VNets/VPCs, subnets, peering, VPN gateways, ExpressRoute/Direct Connect, load balancers, and security groups.Configure and manage Network Security Groups (NSGs), firewall policies, and access control lists to enforce network segmentation and zero-trust principles.Oversee DNS architecture, management, and troubleshooting across internal and public-facing zones, including hybrid DNS resolution strategies.Deploy and manage load balancing solutions (L4/L7) including Application Gateways, Azure Front Door, AWS ALB/NLB, or equivalent, ensuring optimised traffic distribution and failover.Act as a primary technical point of contact for customers, conducting requirement workshops, presenting infrastructure proposals, and providing ongoing advisory support.Collaborate cross-functionally with globally distributed teams to deliver infrastructure projects on time, contributing as an effective virtual team member across time zones.Develop and maintain technical documentation including network diagrams, runbooks, and operational procedures in English and Spanish.Proactively identify risks, lead root cause analysis for incidents, and drive continuous improvement initiatives to enhance infrastructure reliability and performance.Required qualifications6–8+ years of network administration experience in enterprise environments, with hands-on ownership of production infrastructure.Deep expertise in at least one hyperscaler platform (Azure, AWS, or GCP), including cloud-native networking services, identity and access, and infrastructure-as-code tooling.Proven experience designing and managing customer network infrastructure, HA/DR topologies, connectivity solutions, load balancers, NSGs, and DNS across hybrid or multi-cloud environments.Solid understanding of core networking protocols: BGP, OSPF, TCP/IP, VLAN, MPLS, IPSec, and SSL/TLS.Demonstrated customer-facing experience — capable of translating complex technical concepts for diverse audiences and building trusted relationships with stakeholders at all levels.Strong written and verbal communication skills in both English and Spanish, with the ability to produce professional documentation and lead customer conversations in both languages.Proven ability to work independently and collaboratively as part of a dynamic, geographically dispersed virtual team, managing priorities effectively with minimal supervision.Preferred qualificationsRelevant certifications such as CCNP/CCIE, AZ-700 (Azure Network Engineer), AWS Advanced Networking Specialty, or equivalent GCP Professional Network Engineer certification.Experience with infrastructure-as-code to

Skill Requirements

• 1. Strong Understanding Of Embedded Networking Concepts And Protocols.
• 2. Proficiency In Programming Languages Such As C/C++.
• 3. Familiarity With Network Management Tools And Techniques.
• 4. Good Knowledge Of Documentation Standards, Particularly Cmmi.
• 5. Basic Understanding Of Client Support Processes And Troubleshooting Methodologies.

Other Requirements

1. AZ-700 Certification very good to have.

At HCLTech, you'll supercharge your potential. You'll find your career. And you'll find your spark. All at a place that knows that helping its customers stay on top starts by putting its people first.

HCLTech is a global technology company, home to more than 223,000 people across 60 countries, delivering industry-leading capabilities centered around digital, engineering, cloud and AI, powered by a broad portfolio of technology services and products. We work with clients across all major verticals, providing industry solutions for Financial Services, Manufacturing, Life Sciences and Healthcare, Technology and Services, Telecom and Media, Retail and CPG, and Public Services. Consolidated revenues as of 12 months ending June 2026totaled $14.8billion.