Principal Software Engineer

cubic· 3073 GATR Technologies, Inc
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📍 Ashburn, VirginiaFull time💰 USD 143K–175K
Full time3073 GATR Technologies, Inc

About this role

Business Unit:

Cubic Defense

Company Details:

When you join Cubic, you become part of a company that creates and delivers technology solutions in transportation to make people’s lives easier by simplifying their daily journeys, and defense capabilities to help promote mission success and safety for those who serve their nation. Led by our talented teams around the world, Cubic is committed to solving global issues through innovation and service to our customers and partners.

We have a top-tier portfolio of businesses, including Cubic Transportation Systems (CTS) and Cubic Defense (CD). Explore more on Cubic.com.

Job Details:

Job Details:

Job Summary:

The successful candidate will be the lead developer for embedded software within DTECH, as well as supporting other projects. The role is initially technically focussed, but we are looking for a candidate who seeks career progression and has the potential to grow into a management role in the future as the team expands. The successful candidate should have a passion for writing effective, reliable software and the ability to foster a collaborative team environment.

The role sits within the DTECH area of Cubic’s Defence business. It involves designing embedded software for new products (e.g. microcontroller firmware), as well as maintaining software for the existing devices. The role will suit a self-starting individual with experience debugging low level issues through software and hardware analysis. The development will largely be in C and C++, but experience with other languages would be beneficial. The role requires close coordination with the electrical and systems engineering teams to ensure the software is robust and effective.


Essential Job Duties And Responsibilities

  • Lead software projects, ensuring delivery of high-quality, reliable software
  • Liaise with the wider business to determine requirements for new projects and features, clearly communicating the resources required and potential risks involved
  • Drive usage of software development best practices to ensure code is well structured, unit tested and easy to maintain
  • Integrate and troubleshoot firmware on a target platform in the lab environment using hardware analysis tools
  • Provide guidance on design and implementation to other projects within adjacent software teams
  • Identify new ideas and tools for continuous improvement of development practices
  • Mentor junior engineers, providing help and training suggestions for their ongoing development

Education and Qualifications

  • Four-year college degree in computer engineering or other related technical discipline, plus a minimum of eight years of related experience or a master’s degree with at least six years of related experience.
  • Must be eligible for a DOD Security Clearence

Skills Knowledge and Experience

Essential:

  • Strong C/C++ experience
  • Comprehensive understanding of embedded systems, including hardware-software interactions, real-time constraints, and low-level programming concepts
  • Experience debugging in an embedded environment
  • Experience using Unix commands and Linux based operating systems
  • Able to analyse and solve complex software engineering problems
  • Experience writing unit tests and using unit test frameworks

Desirable:

  • Experience using yocto
  • Experience with tools & applications such as JIRA, Confluence and Git

Personal Qualities

  • A driven and self-starting individual, with a desire to write quality, effective software
  • Good analytical skills, with a passion for finding simple solutions to complex problems
  • Able to prioritize work and complete tasks to a deadline
  • Good communication skills and ability to clearly convey complex ideas

The description provided above is not intended to be an exhaustive list of all job duties, responsibilities and requirements.  Duties, responsibilities and requirements may change over time and according to business need.

#LI-Hybrid

Worker Type:

Employee

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Cubic Pay Range:

$143,000.00 - $175,000.00 + benefits.

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The Cubic pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

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#LI-MD1

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Worker Type:

Employee

We are committed to creating an inclusive workplace and welcome applications from people of all backgrounds. We do not discriminate based on any protected characteristic under applicable law.

Frequently Asked Questions

What is the salary for the Principal Software Engineer role at cubic?
The listed salary for this Principal Software Engineer position at cubic is USD 143K–175K. This is an Full time role.
Where is the Principal Software Engineer position at cubic located?
This Principal Software Engineer role at cubic is based in Ashburn, Virginia. The position is listed as on-site or hybrid. Check the full job description or apply directly to confirm the work arrangement.
Is the Principal Software Engineer role at cubic full-time or part-time?
This is listed as a Full time position. It is posted as a Principal Software Engineer role in the 3073 GATR Technologies, Inc department at cubic.
Which team or department does the Principal Software Engineer at cubic belong to?
This Principal Software Engineer position is part of the 3073 GATR Technologies, Inc department at cubic. See the full job description for more information about the team structure and responsibilities.
How do I apply for the Principal Software Engineer position at cubic?
Click the "Apply Now" button on this page. You will be redirected to cubic's official application portal hosted on workday where you can submit your application directly.
When was the Principal Software Engineer job at cubic posted?
This Principal Software Engineer position at cubic was posted on Jul 23, 2026. Apply as soon as possible — early applications are often reviewed first.
Principal Software Engineer
cubic · 💰 USD 143K–175K
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