Senior Real-Time Software Engineer

Leidos; Gaithersburg (MD); Hybrid; USD 87,000 - 157,000; Full time

Job summary

Leidos in Gaithersburg, MD (and other U.S. locations) seeks a Software Engineer to design and maintain real-time, high-availability systems for national airspace modernization.

You will lead development efforts, mentor juniors, and collaborate in an Agile environment across development, test, and production domains. The role emphasizes strong C/C++ proficiency, OOP, and experience with Linux, virtualization, and low-level protocols.

Qualifications

• Bachelor’s degree in Computer Science or related field with 4–8 years of relevant experience, or Master’s degree with 2–6 years of relevant experience.
• Ability to obtain and maintain a Public Trust clearance.
• Strong object-oriented programming experience.
• Proficiency in C and/or C++.
• Experience developing real-time, multi-threaded, high-availability systems.
• Experience with Linux environments (Red Hat), virtual machines, and hypervisors.
• Experience with low-level communications protocols (TCP/IP, UDP, SCTP).
• Experience with hardware or complex system integration.
• US Citizenship Required.

Responsibilities

• Design, develop, test, and maintain software for real-time, high-availability systems.
• Lead software development activities independently and as part of a collaborative engineering team.
• Analyze complex system requirements and translate them into efficient, maintainable software designs.
• Apply sound software engineering principles to ensure code is reliable, fault tolerant, reusable, and maintainable.
• Lead and mentor junior developers, influencing technical direction and development processes.
• Participate in Agile ceremonies including daily stand-ups, release planning, and sprint reviews.
• Develop, tune, document, and deploy automation scripts across development, test, and production environments.
• Promote code reuse, cross-program collaboration, and sustainable development practices.
• Support system integration activities, including hardware and low-level communications interfaces.

Skills

Object-oriented programming

C/C++

Real-time systems

Low-level communications

US Citizenship

Education

Bachelor’s degree in Computer Science or related field

Master’s degree

Tools

Linux (Red Hat)

Virtual machines

Hypervisors

Source control & configuration management tools

Job description

Leidos in Gaithersburg, MD (and other U.S. locations) seeks a Software Engineer to design and maintain real-time, high-availability systems for national airspace modernization.

You will lead development efforts, mentor juniors, and collaborate in an Agile environment across development, test, and production domains. The role emphasizes strong C/C++ proficiency, OOP, and experience with Linux, virtualization, and low-level protocols.