Sr. Software Engineer 3
Job details
- Employment
- Full-time
- Level
- Senior
- Posted
- Oct 27, 2026
- Last confirmed open
- Oct 28, 2026
About this role
Job Description
Position Description
Parsons is looking for an amazingly talented Senior Software Engineer to join our team! In this role you will get to designs, modifies, develops, writes, and implements and tests software and software applications
What You'll Be Doing:
Designs, modifies, develops, writes, and implements and tests software and software applications individually or as a team member
Primary role is to lead technical design of software systems as well as lead integration testing of software systems
Supports System Administrators with the installation of software applications
Participates in the testing process through test review and analysis, test witnessing and certification of software
Develops software documentation
Works with system engineering team or software team lead to review and validate system requirements and to derive software requirements from system/subsystem requirements
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Required Skills
What Required Skills You'll Bring:
Eleven [11] years experience in software development and maintenance: ie. software requirements analysis, software design including object oriented analysis and design, coding, testing, documentation, configuration management, user training, deployment, 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 w/Polygraph security clearance required.
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Desired Skills
What Desired Skills You'll Bring:
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 and the associated algorithms a plus
Experience with scripting languages such as Python, Bash, Pearl, 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 a plus: 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 1 of the following tool or an equivalent: IDAPro, GDB, WinDbg, Immunity/OllyDbg
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Additional Details
Compensation & Benefits: Range is from $180,000-240,000. Actual compensation will be determined based on factors including experience, qualifications, skills, education, certifications, and business needs.
Crimson Phoenix offers a comprehensive benefits package, including medical, dental, and vision insurance, a 401(k) with company match, generous paid time off, company-paid life and disability insurance, tuition reimbursement, professional development opportunities, employee recognition programs, and additional wellness and work-life benefits.
U.S. citizenship and the ability to obtain or maintain a security clearance may be required for certain positions.
Crimson Phoenix is an Equal Opportunity Employer. We make employment decisions without regard to race, color, religion, sex, national origin, age, disability, veteran status, or any other status protected by applicable law. Crimson Phoenix participates in E-Verify.
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About Crimson Phoenix
Crimson Phoenix provides state of the art Information Technology & Intelligence solutions for the Federal Civilian Sector, Department of Defense, and Intelligence Community. We specialize in Web Development, Graphic Design, Software Engineering, System Engineering, Training, Intelligence Analysis, Data Science, and Instructional Systems Design.