Software Engineer, C++

Leidos is looking for a talented entry level Software Engineer for work in support of our Security Enterprise Solutions.

As a Software Engineer on our diverse and collaborative team, you will work alongside our expert Scientists and Engineers, contributing to Leidos products with global impact on security detection. This isn’t your run-of-the-mill software development – you’ll be honing your engineering skills with embedded products, real-time programming, and object-oriented design, all with the support of a management team focused on your professional growth and advancement.

Working under the mentorship of more experienced engineers in a diverse team. Your primary responsibility will be to develop, modify and troubleshoot multi-tiered distributed applications and systems. The duties and responsibilities may change from time to time without notice and include but are not limited to the duties described below.

Primary Responsibilities:

• Design, build, and maintain efficient, reusable, and reliable C++ code using good OOP/OOAD techniques for our systems.
• Optimize, identify bottlenecks, bugs, and devise solutions to problems including:
  • Maintain code quality, revision control and organization
  • Analyze customer issues and identify and implement solutions.
  • Participate and contribute within a defined software development process.
• Occasional travel to customer sites may be required.  Travel may be domestic and international.

Basic Qualifications:

• Software Engineering candidate shall participate in the design, development, testing, troubleshooting, and debugging of software programs for enhancements and new software-intensive systems and products.
• Applies appropriate principles, standards, processes, procedures, and tools throughout the software development life cycle.
• Duties include software requirements analysis, analysis of hardware compatibility, development of software products and tools used for design, development and maintenance of infrastructure, and platforms.

Typical Education & Experience:

• Develops solutions to complex technical issues and problems that impact multiple area or disciplines.
• Regularly employs ingenuity and creativity to develop new technical solutions and systems to achieve functional objectives.
• Communicates with internal team members across multiple areas and client team members.
• Bachelor or Master degree in Computer or Software  Engineering or with less than 2 years of relevant experience.
• Working knowledge of Python and bash scripting, HTML, PostgreSQL, C++ and OOP/OOAD
• Understanding of data structures, algorithms, and software design solutions.
• Understanding of memory management, multicore processors, and distributed systems design.

Preferred Qualifications:

• Experience with BuildBot and automated build pipelines with MS Azure.
• Experience with DICOS.
• Experience with npm.
• Experience with http/https communication.
• Interfacing with hardware and real-time debugging.
• Working knowledge of networking solutions.
• Experience with Scrum/Agile development methodologies.

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.

Original Posting:

August 3, 2026

Pay Range:

Pay Range $57,850.00 - $104,575.00

The Leidos 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.