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Senior Software Engineer 3

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Onsite

Senior Software Engineer 3

Reflexive Concepts

Senior Software Engineer 3

Skills

PythonLinux

17 days ago

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Important information


Contract type:

Permanent

Location:

Linthicum Heights, MD, USA

Work mode:

Onsite

Published on:

9 October 2026

What they need


Reflexive Concepts is seeking a skilled Senior Software Engineer to join our team! In This Role You Will

  • Design, modify, develop, write, implement, and test software and software applications individually or as a team member.
  • Lead technical design of software systems as well as lead integration testing of software systems (primary role).
  • Support System Administrators with the installation of software applications.
  • Participate in the testing process through test review and analysis, test witnessing, and certification of software.
  • Develop software documentation.
  • Work with the system engineering team or software team lead to review and validate system requirements and to derive software requirements from system/subsystem requirements.

Required Qualifications:

  • Eleven (11) years experience in software development and maintenance, i.e., software requirements analysis, software design including object-oriented analysis and design, coding, testing, documentation, configuration management, user training, deployment, and life cycle maintenance. (Relevant degrees: Electrical/Computer/Software Engineering, Computer Science, Math, or Information Systems)
  • Documented formal training on the Software Engineering Institute (SEI) Capability Maturity Model Integration for Development (CMMI-DEV) model, or documented experience working on projects that applied some portions of this model
  • Documented formal training on DoD standards for software testing and documentation, or documented experience working on projects that applied these standards
  • Active TS/SCI with Full-Scope Polygraph

Desired Qualifications:

  • Experience in malware analysis and mitigation techniques
  • Strong understanding of the Windows and Linux operating system internals and APIs
  • Knowledge of analyzing shellcode, packed and obfuscated code, and the associated algorithms
  • Experience with scripting languages such as Python, Bash, Perl, etc.
  • Experience in host and network analysis to identify and characterize anomalies and vulnerabilities in the platform
  • Experience documenting findings in reports and briefings
  • Security certifications: CISSP, C|EH, CREA, GPEN, GREM, OSCP, OSCE
  • Experience in x86/x64 assembly and/or C, C++, software reverse engineering, kernel debugging, and/or protocol stacks
  • Experience developing computer exploits
  • Experience in Software Reverse Engineering with at least one of the following tools or an equivalent: IDA Pro, GDB, WinDbg, Immunity/OllyDbg

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