Hybrid Domain Architect

at Nokia

• Job title: Domain Architect
• Job type: Full Time
• Experience level: Mid level, Senior
• Salary: $110,000 - $204,000 per year
• Degree requirement: Bachelor's Degree
• Tech skills: Cloud, Docker, Kubernetes, Linux, OpenStack, SOAP, TCP/IP, Unix, VMware
• Location requirements: Hybrid, Dallas, United States

About the role

• Domain Architect designing end-to-end architectures with Nokia's AAA solutions. Partnering with customers to translate their needs into effective solutions and maintain technical integrity.

Responsibilities

• Develop customer-specific architectures within a dedicated area of expertise.
• Identify the relevant BGs and coordinate cross-BG activities during the initial phase of solution development.
• Capture and manage both functional and non-functional requirements, applying industry best practices.
• Specify and design effective end-to-end solutions—covering both high-level and low-level architecture—to meet customer needs and strengthen market positioning.
• Research, design, plan, develop, and evaluate solutions in specialized domains, ensuring customer requirements and outcomes are achieved through robust architectural design.
• Lead functional teams or projects with moderate resource requirements, risk, and complexity; manage day-to-day staff issues, including resource allocation and workload distribution.

Requirements

• Subject Matter Expertise in the AAA domain, including solution design, architecture, and planning.
• Experience supporting and managing installation, integration, acceptance testing, operations & maintenance, and ongoing modifications (including upgrades and configuration changes) for Nokia AAA solutions.
• Proven ability to deliver requirements definition, low-level design, installation/integration MOPs, element-level integration of products/solutions, and end-to-end acceptance test plans.
• Experience supporting the Nokia GSS team for AAA solutions during sales phases.
• Strong understanding of customer requirements, with the ability to collaborate with Sales/Presales teams on AAA use cases and requirements.
• Expertise in reviewing technical requirements, preparing MOPs, and developing both LLDs and HLDs.
• Ability to provide technical clarifications on AAA activities to customers and cross-functional teams.
• Deep expertise in RADIUS, DIAMETER, LDAP, and SOAP protocols.
• Familiarity with security algorithms/protocols such as EAP-SIM/AKA/AKA’, PAP, CHAP, TLS/TTLS, etc.
• Knowledge of AAA functionality and usage across multiple networks (3G/4G/5G, WLAN, WiMAX, DSL, etc.).
• Experience with 3G/LTE/5G network architecture, integration with diverse network components, and execution of various call flows.
• Cloud-native experience with containers, Docker, and Kubernetes.
• It would be nice if you also had:
• Scripting experience at the Unix/Linux level.
• Experience with VMware vCloud Director and OpenStack (certification is an added advantage).
• Strong TCP/IP knowledge; IP and cloud certifications (e.g., CCNA).

Benefits

• Flexible and hybrid working schemes
• A minimum of 90 days of Maternity and Paternity Leave, with the option to return to work within a year following the birth or adoption of a child (based on eligibility)
• Life insurance to all employees to provide peace of mind and financial security
• Well-being programs to support your mental and physical health
• Opportunities to join and receive support from Nokia Employee Resource Groups (NERGs)
• Employee Growth Solutions to support your personalized career & skills development
• Diverse pool of Coaches & Mentors to whom you have easy access
• A learning environment which promotes personal growth and professional development - for your role and beyond