Demo

Principal Software Engineer

Nuix
Reston, VA Full Time
POSTED ON 4/8/2026
AVAILABLE BEFORE 5/16/2026
We're on a mission to be a Force For Good, through our People, Products and Purpose at Nuix. Nuix is one of the greatest comeback Technology success stories in Australia, and we're making massive waves each day. Nuix is, and will be, a pioneer in the Australian Technology space, and we're carrying the torch on what "good" looks like.

This extends to our People. We're fiercely passionate, love working at pace, thrive in ambiguity, live, and breathe outside of the box, and above all are good humans. Our impact extends outside of our 9-5, and our place in society isn't always defined by corporate metrics. We're determined to make a positive difference in the world, whether through our solutions which help the top companies, governments and agencies find the truth and combat illegal activities, or through our people who care about contributing and giving back both within, and outside, of Nuix. We are a Force For Good.

We're selective about who comes on board, and you should be too. But if the above sounds like a match, get in touch today and get ready for the possibility of starting a once-in-a-career journey.

Role Overview

As a Principal Software Engineer (Endpoint Developer) at Nuix, you will design, develop, and maintain enterprise security software for Nuix and work directly on our endpoint agents. This role is part of the Adaptive Security team and reports directly to Jonathan Bell.

Location:

This position will be based in our Reston office. The candidate is required to attend the office a minimum of 3 days per week but may voluntarily elect to work either remotely or from the Reston office for the remaining days of the week.

Key Responsibilities

  • Designs, develops, enhances, debugs, and implements software
  • Troubleshoots production problems related to software applications
  • Researches, tests, builds, and coordinates the conversion and/or integration of new product integrations based on requirements
  • Designs and develops new software products or major enhancements to existing software
  • Addresses problems of systems integration, compatibility, and multiple platforms
  • Consults with project teams and end users to identify application requirements
  • Performs feasibility analysis on potential future projects to management
  • Assists in the evaluation and recommendation of application software packages, application integration and testing tools
  • Resolves problems with software and responds to suggestions for improvements and enhancements
  • Instructs, assigns, directs, and checks the work of other software developers on development team
  • Participates in development of software user manuals
  • Developing top quality, stable code
  • Ensuring product components are easily tested and maintained

Skills, Knowledge And Expertise

  • Master’s Degree in Computer Science or equivalent
  • At least 10 years of C /C programming experience
  • Broad knowledge of operating system internals, including Windows, Linux, and/or Mac OS X
  • Broad knowledge of security technologies.
  • Knowledge of file system and network drivers
  • Ability to optimize inefficient code
  • Strong problem solving and analysis ability
  • Knowledge of X86 and X84 Assembly
  • Ability to work with others in a constructive and collaborative manner
  • Ability to work independently and in a collaborative team environment
  • Self-starter, strong work ethic, excellent interpersonal skills and a positive attitude
  • Ability to manage own work, multi-task and prioritize tasks
  • Ability to remain organized while multi-tasking

Desired Expertise

  • Reverse engineering and malware analysis experience
  • Strong OS kernel development and debugging ability

Nuix is an equal opportunities employer. Don’t let imposter syndrome hold you back! We welcome all applications and are a flexible employer.

We strive to make any required adjustments where possible to make the process fair and equitable for everyone. If you need any accommodations throughout the interview process, please note this in your job application.

Nuix is on an incredible journey of transformation, aligning our strengths with our ambitions to pursue greater opportunities. To find out more about who we are and what we are doing, please visit our web page.

https://www.nuix.com/

As we expand our global team and extend our skills and expertise, we are unified as one Nuix team guided by our shared values.

Nuix Vision

Finding Truth in a Digital World.

Nuix Mission Statement

Nuix creates innovative software that empowers organizations to simply and quickly find the truth from any data in a digital world. We are a passionate and talented team, delighting our customers with software that transforms data into actionable intelligence.

Nuix Values

  • TAKE OWNERSHIP
  • RESILIENT
  • UNAFRAID
  • TEAM NUIX
  • HERO OUR CUSTOMERS

We believe in these principles and seek to weave them into the fabric of our daily work at Nuix. In doing so, we co-create a dynamic and purposeful company culture that we can be proud of and want to belong to.

  • Nuix is an Equal Opportunity Employer**

Love the role, but not the right fit for you? Know someone that might be awesome for this role?

We're always looking for talented people who want to make a real impact. If you refer someone and we successfully hire them, you'll receive a $1,000 gift card.

Send referrals to
recruitment@nuix.com or message us on LinkedIn. T's & C's apply.

To all recruitment agencies: Nuix does not accept agency CV's unless we have an existing agreement. Please do not forward CV's to us, or our Nuix employees directly. Nuix is not responsible for any fees related to unsolicited resumes, or where there is not an agreement in place.

See the bigger picture, faster.

We are a leading provider of investigative analytics and intelligence software, that empowers our customers to be a force for good by finding truth in the digital world. We help customers collect, process and review massive amounts of structured and unstructured data, making it searchable and actionable at scale and speed, and with forensic accuracy. Our users rely on Nuix software to assist with challenges as diverse as criminal investigations, data privacy, eDiscovery, regulatory compliance and insider threats.

Powered by AI.

Our solutions are powered by our patented data processing engine and enhanced with AI such as Natural Language Processing. Our AI capabilities super-charge our software to identify patterns and correlations that no human could find, so that our customers get to the most relevant or risky data faster, saving on time, cost, reputation damage and even lives.

Salary.com Estimation for Principal Software Engineer in Reston, VA
$150,739 to $182,613
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