Principal Systems Engineer

Leidos Holding$131K — $237K *
Technical Services
15+ years of experience
Job Overview by Ladders

Qualifications

  • 20 years of Systems Engineering experience, focusing on Linux servers and container technologies.
  • Experience leading engineering efforts with NexGen architectures.
  • Bachelor's degree in relevant fields or equivalent experience.
  • Familiarity with GOTS products and data flow tools, particularly Apache NiFi.
  • Strong skills in requirements development and functional design.

Responsibilities

  • Develop and allocate system requirements across various platforms and technologies.
  • Design and evaluate advanced system architectures leveraging GOTS and container technologies.
  • Manage detailed requirements ensuring they meet mission needs and stakeholder expectations.
  • Establish configuration and change management processes, including design reviews.
  • Lead the creation and review process for systems engineering documents.
  • Support integration and validation across server and containerized environments, including security measures.
  • Provide technical leadership across Integrated Product Teams for effective solution delivery.

Benefits

  • Work alongside experienced cleared professionals in a dynamic mission environment.
  • Collaborate closely with government stakeholders on technical challenges.
  • Contribute to mission-critical capabilities in a secure setting.
Full Job Description
Program Summary

Leidos delivers advanced technical, engineering, and system administration expertise in direct support of a high-priority foreign engagement mission. This established effort leverages solutions, alongside tailored engineering approaches, to enable mission-critical capabilities within a secure, high-trust environment. The program supports a complex and evolving mission where experienced cleared professionals operate side-by-side with the customer to architect, integrate, modernize, and optimize systems that directly drive operational outcomes.

Job Summary

Leidos is seeking a Principal Systems Engineer to lead the analysis of user requirements, CONOPS, and system architectures to design and deliver scalable solutions across Linux server environments, containerized platforms, and NexGen architectures. The ideal candidate will leverage GOTS products and Apache NiFi to support modern, data-driven mission capabilities.

This role provides technical leadership in requirements development, system design, and integration of distributed technologies. The candidate will develop system architecture documentation, support integration and testing efforts, and collaborate with Government stakeholders to resolve technical challenges. The Senior Systems Engineer will ensure the integrity of engineering deliverables while working closely with cross-functional teams and program leadership

Primary Responsibilities
  • Develop and allocate system and functional requirements across hardware, Linux servers, containerized platforms, and NiFi data flows, ensuring traceability and completeness
  • Design and evaluate NexGen system architectures leveraging GOTS products, container technologies, and enterprise server environments
  • Derive and manage detailed requirements, ensuring they are verifiable, unambiguous, and aligned with mission and stakeholder needs
  • Establish and maintain configuration and change management processes, including participation in CCBs and design reviews
  • Lead development and review of system engineering documentation, ensuring alignment with Linux, container, and distributed system architectures
  • Support system integration, verification, and validation efforts across server-based and containerized environments, including security requirements implementation
  • Provide technical leadership and coordination across Integrated Product Teams, ensuring delivery of scalable, secure, and operationally effective solutions


Qualifications
  • Twenty (20) years of Systems Engineering experience in programs of similar scope, including experience with Linux server environments, container technologies, GOTS product integration, and data flow tools such as Apache NiFi
  • Demonstrated experience leading system engineering efforts in modernized (NexGen) architectures
  • Bachelor's degree in Systems Engineering, Computer Science, Information Systems, Engineering Science, Engineering Management, or related discipline
    • Five (5) years of additional Systems Engineering experience may be substituted for a bachelor's degree


conmd

NSSPF

Original Posting:
August 25, 2026

Pay Range:
Pay Range $131,300.00 - $237,350.00

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

About Leidos Holding

Leidos Holding Careers

Joining Leidos Holding presents an unparalleled opportunity to advance one's career with a leader in innovation and technology. The company offers a plethora of job opportunities aimed at fostering professional growth and development in a diverse and inclusive environment.

Explore Career Opportunities

Leidos Holding is actively seeking skilled professionals who are passionate about leveraging their expertise to drive innovation and leadership in their fields. With a variety of open positions, Leidos Holding provides a platform for individuals to challenge themselves in a dynamic work environment.

Innovation and Professional Growth

At Leidos Holding, innovation is at the core of everything they do. Employees are encouraged to think creatively and push boundaries. The company supports this drive for innovation through comprehensive professional development and diversity training programs that are designed to enhance skills and foster leadership.

Commitment to Diversity and Inclusion

Leidos Holding is committed to creating a workplace where diversity is not only recognized but celebrated. With a culture that values and promotes diversity, Leidos Holding ensures that all team members have the opportunity to contribute, learn, and grow.

Internship Programs

For those starting their career, Leidos Holding offers internship programs that provide a robust foundation in the industry. Internships are a great way to develop essential skills, gain valuable work experience, and build professional networks.

Benefits and Culture

Employees at Leidos Holding enjoy a range of benefits designed to support their professional and personal lives. The company culture is built on a foundation of respect and integrity, providing a supportive and collaborative environment where every team member is valued.

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Leidos Holding is hiring! Explore job opportunities that match your skills and interests. Leidos Holding looks for driven, curious, and innovative individuals to join their team. Positions are available across various disciplines and experience levels.

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Leidos Holding encourages its employees to engage in networking within the company to discover new opportunities for career advancement. The leadership team at Leidos Holding is dedicated to supporting employees in their career paths with ample opportunities for networking and growth.

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Discover the exciting career opportunities at Leidos Holding today. With a commitment to employee growth, innovation, and diversity, Leidos Holding is the perfect place to advance your career. Check out the latest job listings and find your perfect fit at Leidos Holding.

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