> Markdown version of [/jobs/ext/4550923-software-test-engineer](https://www.wearedevelopers.com/jobs/ext/4550923-software-test-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Software/Test Engineer - **Company:** Synergy Ecp Llc - **Location:** Columbia, MD, United States - **Contract:** Permanent contract - **Skills:** Testing (Software), C (Programming Language), Java (Programming Language), .NET Framework, Microsoft Windows, Agile Methodology, Software Applications, C Sharp (Programming Language), Unix, C++ (Programming Language), System Configuration, Linux, Perl (Programming Language), Graphical User Interface, Intrusion Detection Systems, Java GUIs, Python (Programming Language), Microsoft Visual Studio, Object-Oriented Software Development, Software Engineering, Systems Integration, Scripting, Information Technology - **Published:** November 3, 2026 - **Apply:** https://www.careerbuilder.com/job-details/software-test-engineer-columbia-md--4aed08d8-2577-4462-b57d-99a505fb0f49 ## About the Role Software Testing, Software Engineering, Government, Sensitive Compartmented Information (SCI), Top Secret Clearance, Disability Accommodations, United States Citizen, Healthcare, Small Business, Performance Management, * Minimum of three (3) years in commercial, Government, or academic setting, or four (4) years academic experience developing with object-oriented programming languages. * Minimum one (1) year experience developing Windows applications using Visual Studio or .NET environment OR minimum one (1) year experience developing UNIX applications using make files or comparable build environments developing complex programs using C, C#, C++, Java or other comparable languages. (Note: one-year development experience may be credited for appropriate coursework in Windows or Unix programming, completed as part of an awarded Bachelors or Masters.) Task Responsibilities/Desired Skills: * Designs, develops and tests application software to fulfill unique requirements on Windows, UNIX or other specified programs. * Builds applications using a specified programming language per the Government. * Builds Graphical User Interfaces (GUIs) for custom applications. * Responds to evolving requirements in an Agile environment. General Experience: * Minimum two (2) years' experience in conducting both component and system integration level testing on complex software products * Minimum two (2) years' experience as a system administrator supporting computer systems running Microsoft Windows NT, Unix, and Linux operating systems * Minimum two (2) years' experience in C, C++, Perl, Python, or other scripting languages. * Experience installing, configuring, and using personal security products including host and network-based firewalls and intrusion detection systems.