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Salary
≈ $101k – $201k per year (Estimated)
Location
In office (San Diego)
Seniority
Middle · 8+ years exp
Employment
Full-Time

Confirmed on the employer's own hiring board on Oct 22, 2026. First seen by Alion on Oct 20, 2026. Lyntris scores B on the Alion truth index.

Overview
Company
Impact
Profile match
Lyntris is a US defense technology company with its corporate office in Falls Church, Virginia, supplying RF and antenna sensing hardware, AI-driven data fusion, command and control software, autonomy, and readiness and training systems to US and allied armed forces. Formed by bringing together the Accelint and Vitesse teams, it supports more than 200 defense programs across space, air, land, sea and cyber, with engineering sites in San Diego, Orlando, Ann Arbor, Saint Paul and Bloomington and manufacturing in California, Colorado and Massachusetts. It hires software, DevSecOps, cybersecurity, systems integration and network engineers, product support specialists and technical writers.

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, Lyntris helps 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 a Software Engineer II to support the design, development, deployment, and maintenance of systems in support of Command & Control (C2) Operations. The ideal candidate will have experience with military C4I systems and secure operational networks. They must have the ability to work independently and have a demonstrated ability to collaborate with a cross-functional team. This role requires the capability to support complex networking efforts independently, demonstrating initiative and resourcefulness in addressing challenging technical issues.

Job Description:

  • Research, design, and implement innovative technologies for automating, integrating, and delivering containerized web applications and services for the Department of Defense (DoD) in an orchestrated and controlled manner.
  • Day-to-day efforts include working with highly talented professionals and subject matter experts to design, implement, and sustain mission-critical software systems that provide US Navy warfighters with the tools and resources for successfully planning and executing missions.
  • The ideal candidate would, along with regular tasking, research and proactively propose solutions that meet the demands of the warfighter. There are always new problems to solve and new, innovative ways to solve them!

Required Qualifications:

  • Currently holds an active U.S. national security clearance OR can obtain one (process is facilitated through the company upon hire; tolearn more about the security clearance process, please access this link).
  • BS in Computer Science, Engineering, or other STEM field and four (4) years relevant work experience, or 8 years relevant experience with:
    • Writing backend web applications with one or more object-oriented programming languages (e.g. Java, C++) OR experience writing rich frontend applications with one or more JavaScript UI frameworks (e.g. React, Vue)
    • o Type-sensitive data models
    • o Unit testing frameworks
    • o Standards-based REST API design, implementation, or consumption
    • o Software build dependency management principles and tools
  • Enthusiasm and passion for delivering high-quality code

Desired Qualifications:

  • Experience developing and testing containerized backend microservices developed using the Java Quarkus Runtime
  • Experience developing React applications that use Redux for global state management
  • Experience implementing or consuming relational databases (e.g. Postgres, MySQL)
  • Experience with implementing/integrating applications to use OAuth 2.0 / OpenID Connect (OIDC)
  • Experience with containerization technologies such as Kubernetes, Docker, or Helm.
  • Experience designing, implementing, and consuming asynchronous APIs (e.g. WebSockets, SSEs, Apache Kafka)
  • Experience with AI-assisted Agentic software development
  • U.S Navy Command and Control (C2) domain knowledge
  • Ability to multi-task, be proactive, and thrive in a dynamic environment

Clearance Requirements

Some positions willrequire access to U.S. National Security information. Positionsthat require this access will berequiredto receive andmaintaina U.S. government personnel security clearance (PCL). In order toqualify for this position, the candidate must be a US Citizen and either currentlypossessthis National Security eligibility or be able to complete the investigation application process with a favorable determination andmaintainthat eligibility throughout their employment. To learn more about the security clearance process please access thislink.

EEOC & Know Your Rights

Lyntriscompanies 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:EnglishSpanish

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…

  • Paid Time Off
  • Paid Company Holidays
  • Medical, Dental & Vision Insurance
  • Optional HSA and FSA
  • Base and Voluntary Life Insurance
  • Short Term & Long-Term Disability Insurance
  • 401k Matching
  • Employee Assistance Program
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