Senior SDN Engineer (Java/Scala) — Lead & Architect

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

Job summary

1Finity is seeking a lead software engineer for SDN applications in Richardson, Texas, focusing on Java/Scala expertise to design and implement SDN controller features within a modular VNC platform.

You will lead end-to-end feature development across Layer 0–Layer 2 networks, collaborate on standards discussions, and ensure robust design and data models for scalable network management solutions.

Qualifications

• Minimum 12 years of experience in product development of Transport Network management solutions.
• Expertise in Core Java, Scala, threads, collections and data structures.
• Expertise in OOAD, design patterns, UML modelling.
• Hands-on experience with Open Daylight (ODL) and SDN controller development.
• Hands-on experience with Netconf, TL1 and modelling tools such as Yang, Json, XML.
• Good knowledge of databases Oracle/MySQL/Cassandra.
• Experience in at least 2–3 full-cycle development of Network Management System products.
• Exposure to Kubernetes, Docker, HDFS, ElasticSearch, Kafka, Spark and distributed big-data systems.
• Expertise in designing and developing REST APIs.
• Exposure to messaging frameworks like Kafka and Java related frameworks like OSGI, Spring, Blueprint.
• Experience in unit test, CI/CD frameworks such as Junit, Jenkins, Postman.
• Familiarity with Git, Gerrit, JIRA, Agile/Scrum development methodologies.
• Demonstrated technical leadership ability, leading end-to-end feature development.

Responsibilities

• Lead the SDN applications software functions in SDN Topology and Southbound application functions.
• Lead Layer 0 (DWDM), Layer 1 (OTN) and Layer 2 (Packet) SDN application functions on a SDN controller based Network Management System.
• Participate in requirement analysis, design, development and maintenance of multiple software components of SDN controller to meet customer requirements using innovative technologies.
• Participate in the Open ROADM Multi-Source Agreement forum technical discussions and solve complex service modelling and vendor interoperability challenges.
• Participate in Telecommunication/Data Communication domain modelling using standards like ITU‑T, ONF, MTNM.
• Accountable for as‑planned execution and quality of the applications developed.
• Issue investigation, status, and resolution during System Test.
• Interface with, monitor progress and evaluate performance of external SW vendors that provide SW for the Platform.
• Drive features end‑to‑end, technically lead the team and handle multiple tasks simultaneously.

Skills

Java

Scala

OOAD

Design patterns

UML modelling

REST APIs

Technical leadership

SDN controller

Tools

ODL

Kubernetes

Docker

HDFS

ElasticSearch

Kafka

Spark

Git

Gerrit

Jenkins

Postman

JIRA

Job description

1Finity is seeking a lead software engineer for SDN applications in Richardson, Texas, focusing on Java/Scala expertise to design and implement SDN controller features within a modular VNC platform.

You will lead end-to-end feature development across Layer 0–Layer 2 networks, collaborate on standards discussions, and ensure robust design and data models for scalable network management solutions.