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Senior Software Developer
- Leidos (Bethesda, MD)
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Description
Leidos’ **High Fidelity Simulation Business Area** designs and delivers cutting-edge **system-of-systems solutions** that power world-class simulation, training, and analysis products for the **U.S. Navy** .
In this role, based at a U.S. Government facility in **Bethesda, MD** , you will work with **state-of-the-art technologies** to develop advanced **sonar tactical decision aids (TDAs)** that directly support the Fleet. You’ll be part of a **high-performing team** whose mission-critical work shapes the Navy’s tactical edge—making a **tangible impact on national security** .
At Leidos, we empower our engineers to do **meaningful work** while continually **building new skills** to grow the career they want to achieve.
What You’ll Work On
+ **Develop and enhance Tactical Signature Guidance (TSG) systems** , including sonar TDAs across multiple code baselines.
+ **Troubleshoot and resolve complex software challenges** while contributing innovative solutions.
+ **Learn and apply new programming languages and technologies** , with mentorship and support from experienced teammates.
+ Occasionally **support hardware system configuration and build-out** , gaining exposure to full system integration.
This opportunity is ideal for developers who thrive on **solving complex problems** , want to **expand their technical expertise** , and are motivated by work that directly supports the **U.S. Navy’s operational readiness** .
Primary Responsibilities
+ **Mentor** a de-centralized team of 15+ developers, applying **agile methodologies** within a larger 50+ member program.
+ **Collaborate** in an agile environment to design, develop, and deliver complex **mission system software** .
+ **Own and deliver** solutions built with **Java, C++** , and other modern technologies.
+ **Explore and apply** new frameworks and languages such as **Angular, Rust, or Scala** to meet evolving mission needs.
+ **Troubleshoot and resolve** complex technical challenges with creativity and efficiency.
+ **Make informed decisions** even with limited information in dynamic, fast-paced environments.
+ **Recognize when to adapt or pivot** during implementation to ensure the best technical and mission outcomes.
+ **Drive process improvements** and introduce innovative workflows that enhance team performance.
+ **Influence positive change** through collaboration, initiative, and technical leadership.
+ **Balance multiple priorities** and **adapt quickly** to urgent or shifting requirements.
+ **Communicate clearly** across teams, stakeholders, and leadership.
+ Apply **agile best practices** to deliver high-quality, iterative results that make an impact.
+ **Travel occasionally** to **Manassas, VA** for integration efforts and direct team collaboration.
Basic Qualifications
+ **Education:** Bachelor’s degree in **Engineering, Mathematics, Physical Science, or Computer Science** , or another degree providing equivalent software development expertise.
+ **Experience:** Minimum of **7 years** in some combination of:
+ Designing, developing, and implementing **real-time acoustic signal processing algorithms**
+ Developing **parallel processing** implementations
+ Working with **service-oriented architectures (SOA)**
+ Developing **signal processing** , **real-time data analysis** , or **visualization/simulation** systems
+ **Java and C++ are required for this role**
+ **Domain Expertise:** At least **5 years** of development and integration experience with **sonar** and/or **Navy Command and Control (C2)** systems.
+ **Security:** Ability to obtain a **U.S. security clearance** .
+ **Certification:** Possess an **IAT Level I or higher** certification, or willingness to obtain one within **30 days of hire** .
Desired Qualifications
+ **Education:** Master’s degree in **Computer Science, Engineering, Mathematics, or Physical Sciences** .
+ **Experience:** ~ **11 years** designing, developing, and implementing **signal processing** , **real-time data analysis** , or **visualization/simulation** systems.
+ **Technology Leadership:** ~ **8 years** evaluating and integrating new technologies, maintaining modern software architectures, and mentoring development teams.
+ **Big Data & Cloud:** Experience with **Scala** , **NoSQL/NewSQL databases** , **Cassandra** , **Kafka** , **Spark** , and **AWS** cloud environments.
+ **UI/Visualization:** Proficiency with **HTML5, Angular, TypeScript, Cesium** , and related toolsets.
+ **Containers & Microservices:** Strong background in **Kubernetes, Docker, REST APIs** , and **containerized microservice architectures** .
+ **Collaboration & Agile:** Proven experience contributing to **open-source projects** and leading or participating in **agile/scrum** teams.
At Leidos, we don’t want someone who "fits the mold"—we want someone who melts it down and builds something better. This is a role for the restless, the over-caffeinated, the ones who ask, “what’s next?” before the dust settles on “what’s now.”
If you’re already scheming step 20 while everyone else is still debating step 2… good. You’ll fit right in.
Original Posting:
October 21, 2025
For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.
Pay Range:
Pay Range $104,650.00 - $189,175.00
The Leidos pay range for this job level is a general guideline onlyand 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.
REQNUMBER: R-00169141
All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or veteran status. Leidos will consider qualified applicants with criminal histories for employment in accordance with relevant Laws. Leidos is an equal opportunity employer/disability/vet.
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