Amentum

Principal Software Engineer TS/SCI w/Poly

Amentum$200K — $255K *
Aerospace & Defense
5 - 7 years of experience
Job Overview by Ladders

Qualifications

  • 5-7 years of experience in software development or engineering roles
  • Proficiency in object-oriented programming, specifically Python
  • Familiarity with C/C++ and Assembly (x86) languages
  • Strong skills in software testing, troubleshooting, and debugging
  • Experience analyzing legacy code and developing algorithms using data structures
  • Solid understanding of operating systems, including file I/O and low-level programming
  • An active TS/SCI Poly security clearance is required

Responsibilities

  • Design and develop software applications for mission needs
  • Analyze customer requirements and engineer technical solutions
  • Implement algorithms and translate designs into scalable architectures
  • Conduct testing, debugging, and maintenance of software applications
  • Create software prototypes to meet advanced mission objectives

Benefits

  • Comprehensive health, dental, and vision insurance
  • Generous paid time off and holidays
  • Retirement benefits with 401(k) matching
  • Educational reimbursement for skill development
  • Parental leave to support family needs
  • Employee stock purchase plan for ownership options
  • Tax-saving options for financial planning
  • Disability and life insurance for employee security
  • Pet insurance to support pet ownership needs
Full Job Description
Purpose and Impact:

Engineer will work closely with mission stakeholders to analyze software requirements, design innovative technical solutions, develop software applications, and implement high-performance capabilities supporting advanced mission objectives.

Essential Responsibilities:

Design, develop, test, debug, and maintain software applications supporting mission requirements. Analyze customer needs, develop software prototypes, engineer technical solutions, implement algorithms, and translate conceptual designs into scalable software architectures.

Minimum Requirements (Knowledge, Skills, and Abilities):

Develop and debug software using object-oriented programming languages; perform software engineering and technical design activities; analyze and understand legacy code; develop efficient algorithms utilizing data structures, dynamic programming, heuristics, and modeling techniques; conduct software testing and troubleshooting; work at the operating system level, including file I/O, system interfaces, and low-level programming concepts; and develop advanced tools for binary analysis, shellcode detection, malware analysis, function identification, and reverse engineering of compiled software.

Proficiency with Python, and ability to read/understand C/C++, and Assembly (x86). Experience with software architecture, operating system design, compilers, and debugging. Comfortable working with operating system internals, low-level software development, file I/O, system APIs, memory management, and executable program analysis.

Security Clearance Required:
  • TS/SCI Poly


Minimum Years of Experience:
  • A Doctoral degree plus 7 years of relevant experience, or
  • a Master's degree plus 9 years of relevant experience, or
  • a Bachelor's degree plus 11 years of relevant experience, or
  • an Associate's degree plus 13 years of relevant experience, or
  • a High School diploma/GED plus 15 years of relevant experience


Preferred Qualifications:
  • Familiarity with malware analysis, reverse engineering, and protocol analysis.


#javelin #ICpoly

This position is not designated as a safety sensitive position.

Other Responsibilities:

Safety - Amentum enforces a safety culture whereby all employees have the responsibility for continuously developing and maintaining a safe work environment. As appropriate, each employee is responsible for completing all training requirements and fulfilling all self-aid/buddy aid responsibilities, participating in emergency response tasks and serving on safety committees and teams.

Quality - Quality is the foundation for the management of our business and the keystone to our goal of customer satisfaction. It is our policy to consistently provide services that meet customer expectations. Accordingly, each employee must conform to the Amentum Quality Policy and carry out job activities in compliance with applicable Amentum Quality System documents and customer contracts. Each employee must read and understand his/her Quality Management and Customer Satisfaction responsibilities.

Procedure Compliance - Each employee must read, understand and implement the general and specific operational, safety, quality and environmental requirements of all plans, procedures and policies pertaining to his/her job.

Compensation Details:


The compensation range or hourly rate listed for this position is provided as a good-faith estimate of what the company intends to offer for this role at the time this posting was issued. Actual compensation may vary based on factors such as job responsibilities, education, experience, skills, internal equity, market data, applicable collective bargaining agreements, and relevant laws.

Benefits Overview:

Our health and welfare benefits are designed to support you and your priorities. Offerings include:
  • Health, dental, and vision insurance
  • Paid time off and holidays
  • Retirement benefits (including 401(k) matching)
  • Educational reimbursement
  • Parental leave
  • Employee stock purchase plan
  • Tax-saving options
  • Disability and life insurance
  • Pet insurance


Note: Benefits may vary based on employment type, location, and applicable agreements. Positions governed by a Collective Bargaining Agreement (CBA), the McNamara-O'Hara Service Contract Act (SCA), or other employment contracts may include different provisions/benefits.

Original Posting:
07/15/2026 - Until Filled
Amentum anticipates this job requisition will remain open for at least three days, with a closing date no earlier than three days after the original posting. This timeline may change based on business needs.

About Amentum

Amentum is a leading provider of engineering and technical services to the U.S. government and commercial customers worldwide. The company offers a wide range of services, including environmental remediation, facilities management, and logistics and supply chain management, among others. Amentum has a global presence, with operations in over 20 countries, and serves a diverse range of customers, including the Department of Defense, the Department of Energy, and the Department of State. The company is committed to providing high-quality services and has a strong reputation for technical expertise, innovation, and customer satisfaction.
Learn more about Amentum
Size
20,000 employees
Industry
Net Income
$200 million
Founded
2014
Revenue
$5 billion

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