We’re looking for Senior Solution Architects to lead, from a technical point of view, the projects we deliver to our end customers. We serve our customers bringing them the highest quality solutions to their needs.

This is your place if you’re used to design SW/App solutions, from the HW level to the user level, understand the meaning of real value and how it can be achieved through perfect designs, excellent execution and customer intimacy. If you like to be involved during whole lifecycle of the project with your technical team to provide the outcomes the customer expects and want to foster innovation and best practices among your colleagues.

Hybrid position (Madrid area, 2 days/week office)

In a typical day as a Solution Architect, you would:

• Lead multiple project teams of other software systems engineers and internal and outsourced development partners responsible for all stages of design and development for complex products and platforms, including solution design, analysis, coding, testing, and integration.
• Manage and expand relationships with internal and outsourced development partners on software systems design and development.
• Review and evaluate designs and project activities for compliance with systems design and development guidelines and standards; provides tangible feedback to improve product quality and mitigate failure risk.
• Provide domain-specific expertise and overall software systems leadership and perspective to cross-organization projects, programs, and activities.
• Drive innovation and integration of new technologies into projects and activities in the software systems design organization.
• Provide guidance and mentoring to less- experienced staff members.

Education and Experience Required:

• Bachelor's or Master's degree in Computer Science, Information Systems, Telecommunications or equivalent.

Typically 8+ years experience.

Knowledge/Competence in the following areas:

• AAA Systems (Telecom): Experience with 3GPP AAA, OneNDS/LDAP, OAuth/OIDC, and related telecom authentication systems.
• API & Protocol Expertise: Strong in SOAP/XML, HTTP/JSON RESTful APIs, and API authentication mechanisms. Comfortable using OpenSSL for secure communication testing and Wireshark for traffic analysis.
• Frontend and Backend Development:
• Proficient in Java for backend services.
• Skilled in React for building responsive and dynamic frontend interfaces.
• Experience in integrating React frontends with RESTful APIs and handling secure API communications.
• Unix Scripting experience (shellscripting, bash)
• SQL Coding
• Solid understanding of relational databases and SQL queries.
• Experience with MySQL and familiarity with distributed data platforms such as VoltDB.
• Regex Proficiency: Able to create and understand regular expressions for filtering logs, parsing data, and automation tasks.
• Linux & Cloud Knowledge: Familiar with Linux clustering, basic cloud infrastructure (e.g., VMs, containers, ingress/egress rules), and system-level troubleshooting.

Core Technologies from the Architecture point of view:

• Experience in overall architecture of software systems for products and solutions.
• Designing and integrating software systems running on multiple platform types into overall architecture.
• Understand and work with:
• Istio (Ingress/Egress, mTLS, Proxies, Control Plane)
• Keycloak (authentication & authorisation)
• Prometheus, Fluent, Jaeger (monitoring, logging, tracing)
• MySQL, VoltDB
• Kubernetes concepts (pods, security domains, CI/CD flows)
• Ansible, Jenkins & GitHub (SCM) integrations and RBAC
• Security Concepts: Good grasp of mTLS, RBAC, security scanning, compliance checks, and logging/alerting pipelines. Experience with SIEM systems, IAM, KMS, and secure API handling.

About HCLTech:

We are HCLTech, one of the fastest-growing large tech companies in the world and home to 225,000+ people across 60 countries, supercharging progress through industry-leading capabilities centered around Digital, Engineering and Cloud. The driving force behind that work, our people, are diverse, creative, and passionate, raising the bar for excellence on a regular basis.

We, in turn, work hard to bring out the best in them as we strive to help them find their spark and become the best version of themselves that they can be. If all this sounds like an environment you’ll thrive in, then you’re in the right place. Join us on our journey in advancing the technological world through innovation and creativity.

Why Us?

• We offer End-to-end digital transformation expertise that helps clients from strategy through execution. We work with the biggest brands, offering the opportunity to be a part of industry-leading work.
• We are invested in your growth, offering learning and career development opportunities at every level to help you find your spark.
• We offer freedom and flexibility on the job, empowering our employees to make decisions.
• We offer a virtual-first work environment, promoting a good work-life balance and real flexibility Our company is extremely diverse with representation of 165 nationalities.
• We offer the opportunity to work with colleagues across the globe.
• We are a certified great place to work and a top employer in 25 countries including Romania, offering a positive work environment that values employee recognition and respect.

If you have a valid disability certificate, Certificate of Disability in Force, please contact us.

Among HCL's principles we would like to highlight diversity and inclusion as a strength in our values and practices. To achieve all our objectives, it intends to attract, develop, and retain different profiles, assuming diversity as a key factor and differentiator of fundamental innovation in our organization. We welcome and value all people, and we are committed to the inclusion and sense of belonging of each person who is part of HCL.

• HCL is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to age, ancestry, color, family or medical care leave, gender identity or expression, genetic information, marital status, medical condition, national origin, physical or mental disability, political affiliation, protected veteran status, race, religion, sex (including pregnancy), sexual orientation, or any other characteristic protected by applicable laws, regulations, and ordinances.