Senior SDN Controller Architect | Java/Scala Lead

Fujitsu; Houston (TX); On-site; USD 165,529 - 236,470; Full time

Job summary

Fujitsu in Richardson, Texas and other Texas locations seeks an experienced SDN software lead to architect and implement advanced network controller software. You will transform complex requirements into scalable Java/Scala architectures and data models for SDN controller functionality.

You will lead cross‑functional teams, drive end‑to‑end features, and collaborate with vendors to meet customer needs while applying OOAD and modern SDN standards in a multi‑layer transport network environment.

Qualifications

• Minimum 12 years of experience in Transport Network management solutions across DWDM, OTN and Packet layers.
• Expertise in Core Java, Scala, threads, collections and data structures.
• Expertise in OOAD, design patterns, UML modelling.
• Hands-on with Open Daylight (ODL) and SDN controller development.
• Experience with Netconf, TL1 and modelling tools like Yang, JSON, XML.
• Good knowledge of Oracle/MySQL/Cassandra databases.
• 2–3 full-cycle NMS product developments.
• Exposure to Kubernetes, Docker, HDFS, ElasticSearch, Kafka, Spark.
• REST API design and development expertise.
• Exposure to Kafka and Java frameworks like OSGi, Spring.
• Experience with Junit, Jenkins, Postman for CI/CD.
• Familiarity with Git, Gerrit, JIRA, Agile/Scrum.
• Demonstrated technical leadership for end-to-end features.

Responsibilities

• Lead the SDN applications software functions in SDN Topology and Southbound functions.
• Lead Layer 0 (DWDM), Layer 1 (OTN) and Layer 2 (Packet) SDN app functions on a SDN controller NS.
• Participate in requirement analysis, design, development and maintenance of SDN controller components.
• Engage in Open ROADM forum discussions for service modelling and interoperability.
• Model telecom/data domains using ITU-T, ONF, MTNM standards.
• Accountable for planned execution and software quality.
• Investigate issues, track status, and resolve during System Test.
• Interface with vendors, monitor progress and evaluate platform performance.
• Drive features end-to-end, lead the team and manage multiple tasks.

Skills

Core Java

Scala

ODL

REST APIs

Kubernetes

Docker

Kafka

Junit/Jenkins

Git/Gerrit

OOAD

XML/JSON/YANG

Netconf/TL1

Databases Oracle/MySQL/Cassandra

CI/CD

Agile/Scrum

Tools

Open Daylight

Kubernetes

Docker

HDFS

ElasticSearch

Kafka

Spark

XML/JSON

Job description

Fujitsu in Richardson, Texas and other Texas locations seeks an experienced SDN software lead to architect and implement advanced network controller software. You will transform complex requirements into scalable Java/Scala architectures and data models for SDN controller functionality.

You will lead cross‑functional teams, drive end‑to‑end features, and collaborate with vendors to meet customer needs while applying OOAD and modern SDN standards in a multi‑layer transport network environment.