Demo

Senior Software Engineer 3

Reflexive Concepts
Linthicum, MD Full Time
POSTED ON 10/9/2026
AVAILABLE BEFORE 11/7/2026
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

Salary.com Estimation for Senior Software Engineer 3 in Linthicum, MD
$102,633 to $124,076
If your compensation planning software is too rigid to deploy winning incentive strategies, it’s time to find an adaptable solution. Compensation Planning
Enhance your organization's compensation strategy with salary data sets that HR and team managers can use to pay your staff right. Surveys & Data Sets

What is the career path for a Senior Software Engineer 3?

Sign up to receive alerts about other jobs on the Senior Software Engineer 3 career path by checking the boxes next to the positions that interest you.
Income Estimation: 
$123,167 - $152,295
Income Estimation: 
$146,673 - $180,130
Income Estimation: 
$176,149 - $220,529
Income Estimation: 
$156,679 - $196,968
Employees: Get a Salary Increase
View Core, Job Family, and Industry Job Skills and Competency Data for more than 15,000 Job Titles Skills Library

Job openings at Reflexive Concepts

  • Reflexive Concepts Linthicum, MD
  • Reflexive Concepts is seeking a skilled Tempest Engineer to join our team! In This Role You Will Ensure that TEMPEST testing requirements are defined by th... more
  • 7 Days Ago

  • Reflexive Concepts Columbia, MD
  • Reflexive Concepts is seeking a skilled DevOps Engineer III to join our team! Responsibilities Must be fluent with Git Strong knowledge of Linux and Linux ... more
  • 8 Days Ago

  • Reflexive Concepts Fort Meade, MD
  • Reflexive Concepts is seeking a skilled System Administrator (Level 1) to join our growing team! Reflexive Concepts is seeking a System Administrator to su... more
  • 2 Days Ago

  • Reflexive Concepts Annapolis, MD
  • Reflexive Concepts is seeking a Full Stack Developer to join our team! We have an immediate need for a Full Stack Developer to support tool sustainment eff... more
  • 3 Days Ago


Not the job you're looking for? Here are some other Senior Software Engineer 3 jobs in the Linthicum, MD area that may be a better fit.

  • Software Engineer York, NY
  • IT: Madhive, Inc. seeks a Software Engineer in New York, NY to write technical design specifications based on project features. Telecommuting Permitted. $1... more
  • 8 Days Ago

  • JD Software Lake, IL
  • at JD Software - (View all jobs) About JD Software JD Software is a growing GovTech company based in Salem, MA, specializing in innovative SaaS solutions f... more
  • 18 Days Ago

AI Assistant is available now!

Feel free to start your new journey!