Lead Software Engineer | Remote | OpenNMS

Lead Software Engineer | Remote | OpenNMS Job Description

Posted Friday, January 16, 2026 at 5:00 AM

At OpenNMS, a wholly owned subsidiary of Nant Health, we are looking for the best people who share our deep passion for collaboration and innovation, and our commitment to open source. OpenNMS is the world’s first fully open source enterprise-grade network service monitoring platform, and hundreds of enterprises are using it every day. Our people play a critical role in helping us deliver on our commitments through the work, talents and focus they bring to their role.

Are you ready to join our community?

To ensure we can provide the best in network monitoring solutions, we focus on building the best team. Through holding true to the core Nant Health values – clarity, empathy, collaboration, integrity, a sense of community, and a pioneering approach – we are creating a vibrant culture where ideas can blossom, people can thrive, and success can flourish.

The OpenNMS Group is seeking an experienced and passionate Lead Software Engineer to join our team focused on building and growing our established open-source Network Monitoring Solution.

• Help architect, design, and develop scalable features to meet product deliverables.
• Collaborate with other developers, architects, QA, devops and product management teams.
• Write well-designed, testable code including unit tests and basic documentation.
• Integrate software components into a fully functional software system.
• Make decisions about code design, architecture, and refactoring to balance technical debt against delivering functionality.
• Review code and mentor other engineers.
• Work with little or no supervision.
• Apply software engineering best practices across the development lifecycle, including agile methodologies, coding standards, code reviews, source management, build processes, testing, and operations.

• Bachelor’s degree, preferably in Computer Science or a related field (commensurate experience will be considered as an alternative to a degree)
• Expert level experience in Java (8+ years)
• Experience working in Agile environment.

• Must have a “can do” attitude and a hacker mindset to make things work in a complex product environment
• Experience having led, designed, implemented, and delivered, highly performant and scalable, software to a large customer base>
  
  Solid knowledge of SQL and No
  
  SQL data stores and efficient data schemas
• Understanding of message systems such as Kafka, ActiveMQ
• Solid understanding of IP networking principles and network/application security
• General Dev Ops knowledge: CI/CD, automation, build, deployment
/UNIX and familiarity with shell scripting

• OSGi and/or Karaf
• Elasticsearch
• gRPC and/or GraphQL

The salary range for applicable US-based applicants to this position is below. The specific rate will depend on the successful candidate’s qualifications, prior experience as well as geographic location.

$135,000 - $165,000 base salary plus bonus potential.

• Paid Time Off (hourly) / Flex Time Off (salaried) programs for Full Time employees
• Growth and Development opportunities
• 401(k), including a 3% company match
• Paid Holidays
• Paid Parental Leave, including a flexible return-to-work program
• Employee Assistance Program
• Discounts on popular cell phone plan providers
• Life & Disability Insurance
• Travel Assistance
• Education Assistance Program
• And much more!

OpenNMS is a wholly-owned subsidiary of Nant Health. Nant Health and OpenNMS provide equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws.

This policy applies to all terms and conditions of employment, including recruiting, hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, compensation and training.