Technical Debt Engineer

Accelint

United States

Remote

USD 120,000 - 170,000

Full time

3 days ago

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Job summary

Lyntris, a defense technology company, is seeking an experienced Technical Debt Engineer/Software Sustainment Engineer to improve, modernize, and sustain complex software systems in defense and mission-critical environments.

The ideal candidate will debug production software, perform root cause analysis, refactor legacy code, and reduce technical debt while preserving functional behavior and delivery schedules.

Qualifications

Bachelor's degree in a technical field or equivalent practical experience.
5+ years debugging, refactoring, and sustaining complex software systems.
Strong debugging, root cause analysis, and performance optimization skills.
Experience refactoring legacy code for maintainability and testability.
Proficient with DevOps, CI/CD, and containerized environments.
Familiar with multi-language build tools and messaging frameworks.

Responsibilities

Debug, analyze, and resolve complex software defects in large-scale systems.
Perform root cause analysis for defects, bottlenecks, and integration issues.
Refactor legacy software to improve maintainability and extensibility.
Prioritize and remediate technical debt with engineering teams and leadership.
Improve software quality via static analysis, automated testing, and reviews.
Develop and optimize CI/CD pipelines and automated deployment.
Utilize DevOps tools to support continuous software improvement.
Maintain multi-language build environments and interoperability across systems.
Collaborate with stakeholders to implement sustainable improvements while managing risk.

Skills

Debugging

Root cause analysis

Performance optimization

Code quality improvement

Refactoring legacy code

DevOps practices

Team collaboration

Education

Bachelor's degree in Computer Science, Software Engineering, Computer Engineering, Electrical Engineering, or a related technical discipline

Equivalent practical experience

Tools

SonarQube

GitLab CI/CD

Containerized development environments

CMake

Conan

Maven

Poetry

NPM

ActiveMQ

DDS

ZeroMQ

Job description

Lyntrisis a defense technology company that connects sensing to action across the connected battlespace.Lyntrisbrings together the talents ofAccelintand Vitesse teams under one mission, with each contributing deepexpertisewithin their domain.Combining differentiated hardware,softwareand missionexpertise,Lyntrishelps customers sense threats, make sense of complex conditions and act with greater speed,precisionand confidence in contested environments.

Lyntris supports U.S. and allied defense organizations across every branch — including Navy, Army, Air Force, SpaceForceand allied partners — spanning strategic,operationaland tactical missions and every domain: Space, Air, Land, Sea and Cyber. With more than 200 active defense programs,Lyntrisworks at every level of the mission, from national command authority to the tactical edge.

Solutions are designed by operators who understand the mission, engineered for the conditions that degrade or defeat standard systems, and built on an open, modular architecture that integrates into existing programs without requiring them to start over.Lyntrismoves faster than the traditional defense cycle — with integrated design, build and test capabilities in-house — and delivers systems that sustain and endure long after initial fielding.

We are seeking an experienced Technical Debt Engineer/Software Sustainment Engineer to improve, modernize, and sustain complex software systems supporting defense and mission-critical environments. The ideal candidate will have extensive experience debugging production software, performing root cause analysis, refactoring legacy code, and reducing technical debt while preserving functional behavior and delivery schedules. This role will collaborate closely with software developers, systems engineers, architects, and government stakeholders to improve software quality, maintainability, performance, and interoperability through modern engineering and DevOps practices.

Duties & Responsibilities

Debug, analyze, and resolve complex software defects across large-scale, distributed software systems.
Perform root cause analysis to identify software defects, performance bottlenecks, integration issues, and reliability concerns.
Refactor legacy software to improve maintainability, modularity, extensibility, testability, and long-term sustainability while preserving existing functionality.
Identify, prioritize, and remediate technical debt in collaboration with engineering teams and program leadership.
Improve software quality through static analysis, automated testing, code reviews, performance optimization, and modern software engineering practices.
Develop, maintain, and optimize CI/CD pipelines and automated build, test, and deployment processes.
Utilize DevOps tools such as SonarQube, GitLab CI/CD, automated testing frameworks, and containerized development environments to support continuous software improvement.
Maintain and troubleshoot multi-language build environments using tools such as CMake, Conan, Maven, Poetry, and NPM.
Debug and resolve interoperability and integration issues across distributed software systems utilizing standards-based APIs, messaging frameworks, and communication protocols.
Collaborate with software developers, systems engineers, architects, and government stakeholders to implement sustainable software improvements while minimizing program risk and maintaining delivery schedules.
Support software integration, verification, validation, configuration management, and release activities.
Document software changes, technical debt remediation efforts, and engineering recommendations.
Performs other duties as assigned.

Required Qualifications

Bachelor's degree in Computer Science, Software Engineering, Computer Engineering, Electrical Engineering, or a related technical discipline (or equivalent practical experience).
5+ years of experience debugging, refactoring, and sustaining complex software systems supporting defense, aerospace, or other mission-critical environments.
Strong proficiency in software debugging, root cause analysis, performance optimization, and code quality improvement using modern software development tools, including AI-assisted development tools where appropriate.
Experience refactoring legacy codebases to improve maintainability, modularity, extensibility, and testability.
Strong proficiency with DevOps tools and practices, including SonarQube, GitLab CI/CD, automated testing, and containerized development environments.
Strong proficiency with multi-language build tools such as CMake, Conan, Maven, Poetry, and NPM.
Experience developing or sustaining large-scale distributed software systems utilizing messaging technologies such as ActiveMQ, DDS, ZeroMQ, or similar frameworks.
Experience diagnosing and resolving software integration and interoperability issues across distributed systems using standards-based interfaces and APIs.
Demonstrated ability to collaborate effectively with software developers, systems engineers, architects, and government stakeholders to reduce technical debt while maintaining program schedules.
Strong analytical, communication, and problem-solving skills.
Ability to obtain and maintain a Department of Defense (DOD) Security Clearance.

Preferred Qualifications (Not Required)

Master's degree or PhD in Computer Science, Software Engineering, Computer Engineering, or a related technical discipline.
Experience identifying, prioritizing, and systematically resolving technical debt while preserving functional behavior and architectural compliance.
Knowledge of autonomy and robotics integration, mission planning, task allocation, and command-and-control architectures.
Experience debugging, refactoring, and sustaining software implementations aligned with SysML architecture models, Interface Control Documents (ICDs), and software requirements.
Experience working with rootless Podman container environments.
Proficiency in additional programming languages such as Java, Python, and TypeScript.
Experience using Git, CI/CD pipelines, automated testing frameworks, and containerized software development environments.
Experience supporting defense, aerospace, or other highly regulated software development programs.
Active-duty military experience.
Currently holds an active U.S. national security clearance.

Physical Requirements

Prolonged periods sitting at a desk and working on a computer.
Must be able to lift up to 15 pounds at times.

Clearance Requirements

Some positions will require access to U.S. National Security information. Positions that require this access will be required to receive and maintain a U.S. government personnel security clearance (PCL). In order to qualify for this position, the candidate must be a US Citizen and either currently possess this National Security eligibility or be able to complete the investigation application process with a favorable determination and maintain that eligibility throughout their employment. To learn more about the security clearance process please access this link.

EEOC & Know Your Rights

Lyntris companies are Equal Opportunity Employers. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, age, disability, status as a protected veteran or any other status protected by applicable federal, state, and local law. We ensure that all employment decisions, including hiring, promotion, compensation, and other terms and conditions of employment, are based on merit, qualifications, and business needs. For more information about your rights, please review the "Know Your Rights" poster from the Equal Employment Opportunity Commission (EEOC). Know your Rights: English Spanish

Pay Scales & Benefits

The listed pay scale reflects the broad, minimum to maximum, pay scale for this position for the location for which it has been posted and is not a guarantee of compensation or salary. Other compensation considerations may include, but are not limited to, job responsibilities, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, or other applicable factors.

Benefits include…