Computer Software Engineer

Systems Plus, Inc.; Gaithersburg (MD); On-site; USD 120,000 - 180,000; Full time

Benefits offered by this job

Benefits package

Bonus programs

Job summary

Systems Plus, Inc. in Gaithersburg, MD seeks a highly experienced Computer Software Engineer to design, develop, and modernize C++ applications across Linux, macOS, and Windows.

You will build with CMake, write tests, and ensure security and performance for federal systems. Ten years of professional software engineering are required, including five years in modern C++ development and multi‑platform environments.

Qualifications

• Ten years of professional software engineering experience, including five years in C++ development and modernizing legacy C/C++.
• Experience across Linux, Windows, macOS and multi‑platform environments.
• Proficiency with CMake, Git, debugging, testing, and software development tools.

Responsibilities

• Design, develop, maintain, and execute high-performance C++ code across Linux, macOS, and Windows.
• Refactor legacy code to modern C++ (C++11 or later).
• Develop and maintain build systems with CMake and perform deep system debugging.

Skills

C++ development

Legacy modernization

Cross-platform development

Code review

Performance profiling

Education

Bachelor’s degree in Computer Science

Tools

CMake

Git

Python

Shell scripting

Job description

Got the Government Contractor Blues? Looking for a company that cares and goes beyond just filling another contract billet? Well, look no further! Experience this family-oriented company that takes pride in you and will help you grow where your passions lie. Holding many Defense & Federal government contracts around the globe, with Systems Plus, you have the opportunity to take on new and evolving challenges, aim beyond what you think you are capable of, and work in collaborative, dynamic, and high‑tempo environments.

Our employees are our most valued asset, and we invest in our people because we are in it for the long term. We are committed to your success and well-being and offer competitive benefits packages, salaries, bonus/award programs, and a high potential for professional growth and job opportunities worldwide.

Systems Plus is the company for you! Experience the difference, and let’s talk about your future at Systems Plus today.

Position Title

Computer Software Engineer

Position Type

Full-Time, On-Site

Position Location

Gaithersburg, MD

Tracking Code

01175

Daily Responsibilities

• Design, develop, maintain, and execute high-performance, C++ code across Linux, macOS, and Windows, ensuring algorithmic parity across all target platforms.
• Refactor legacy code into modern C++ (i.e., C++11 or later).
• Design, develop, maintain, and refactor build systems, primarily with CMake.
• Perform deep system debugging to resolve crashes and memory leaks.
• Perform resolution of linker warnings and errors, including symbol conflicts.
• Enforce and ensure code quality standards.
• Develop and execute comprehensive unit tests.
• Create and maintain technical documentation for application programming interface, system architectures, and build processes.
• Design, develop, maintain, and execute Python and shell scripts for automation, validations, and testing.
• Ensure all third-party dependencies are available offline, vetted for security vulnerabilities, comply with federal software supply chain security standards, generating and maintaining a Software Bill of Materials.
• Perform periodic performance profiling and resource usage analysis to ensure C++ applications meet the latency requirements required for efficient use of federal systems.
• Perform code reviews on contributed code. Respond to code review issues received.

Years of Experience

• Ten years of relevant experience

Degree and Certifications

• Bachelor’s degree from accredited college or university in Computer Science

Requirements

• 10 years of professional software engineering, at least five years of which is dedicated to C++ development including modernizing legacy C/C++, CMake, and experience across multi‑platform environments (Linux, Windows, macOS).
• At least five years of experience in scripting languages, Git source code management, and software development tools for debugging, code quality, and trouble shooting.

Required Clearance

• Background check.

About Systems Plus

Systems Plus is headquartered in Rockville, MD with over 2 decades of experience providing Global Enterprise Management, Technology, Engineering and Professional services and solutions across Defense and Federal Civilian government sectors.

From Discovery to Delivery, Systems Plus brings a greater measure of confidence, commitment and value to our clients. With various Defense and Federal contracts across the United States, Europe and Pacific/Asia, we are driving innovation and excellence within the Special Operations Forces Components and Commands, Defense Health Agency, United States Air Force, United States Marine Corps, National Institute of Standards and Technology, House of Representatives and more.

Through our diverse portfolio of clients and capabilities we power vision and insight—discover what’s possible with a Small Business that thinks BIG!

Interested individuals should email their resume with salary expectations and with a cover letter to [emailprotected].

Reach out to see how we can partner with you.

One Research Court, Suite 360
Rockville, MD 20850