Sr. Systems Engineer

Leidos Holding$131K — $237K *
Aerospace & Defense
8 - 10 years of experience
Job Overview by Ladders

Qualifications

  • Bachelor's in System Engineering, Computer Science, or related field and 8+ years of relevant experience.
  • US citizenship and active Secret DoD security clearance required.
  • Proven ability to analyze and manage risks in projects.
  • Experience with model-based systems engineering.
  • Proficient in database management systems like MySQL, Oracle, and SQL Server.
  • Familiar with Linux and UNIX operating systems.
  • Strong background in technical documentation development.

Responsibilities

  • Lead the systems engineering and analysis for Navy Key Management projects.
  • Define systems engineering processes to align with customer requirements.
  • Manage the documentation of requirements for development and testing teams.
  • Develop System Architecture and use case scenarios using engineering methodologies.
  • Facilitate discussions during customer meetings and technical exchanges.
  • Create and review a variety of technical documents including manuals and specifications.
  • Present project briefings and documentation as requested.

Benefits

  • Option to work a flexible 9/80 work schedule with every other Friday off.
  • Some telework opportunities available, depending on project needs.
  • Collaborative work environment with internal technical teams and customer POCs.
Full Job Description
Job Summary:

This project provides the full range of software systems design, analysis, integration, verification, and validation activities in support of the Navy's Key Management project portfolio. The selected candidate will provide systems engineering expertise in the following areas: system architecture and design; development and integration; requirements analysis, data flow analysis; network design and implementation; test/verification and validation; and documentation for the system. The selected candidate will be responsible for collaborating with internal technical professionals on a day-to-day basis, and with POCs from customer organizations when necessary.

Additional position responsibilities also include:
  • Lead system engineering, hardware, and software analysis to support the Navy's Key Management project portfolio.
  • Define and apply systems engineering processes to develop systems that meet customer requirements.
  • Manage requirements, including decomposition, allocation, verification, and validation for subsequent use by the development and test teams.
  • Define and develop System Architecture, CONOPS, and use case development using systems engineering methodologies.
  • Participate and lead discussions at customer meetings, working groups, and technical interchange meetings associated with the work performed in this project.
  • Required to research, design, write, and review a wide range of technical documentation that will include but not be limited to: technical manuals, design specification documents, interface requirements specification, system user guides, reference manuals, installation guides, and data sheets that may be required to assist with the design, integration, testing, and fielding of the system; will provide project briefing materials upon request.
  • Option to work a 9/80 work schedule (i.e., 9 hour days, then work 8 hours on first Friday and off the second Friday)
  • The selected candidate will be required to work at the customer facilities up to 5 days a week. Some teleworking may be available.


Required Qualifications:
  • Bachelor's Degree in System Engineering, Computer Science, Information Systems, Engineering Science, Engineering Management, or a related field, with 8+ years of experience. Will consider experience in lieu of a degree.
  • Position requires US citizenship and an active Secret DoD security clearance.
  • Experience that demonstrates ability to analyze risks and uncertainties and ability to navigate projects through established processes.
  • Model based systems engineering experience.
  • Experience with database management software, such as MySQL, Oracle RDBMS, and Microsoft SQL Server.
  • Familiarity with operating systems, such as Linux and UNIX.
  • Understanding complex system development methods.
  • Experience with technical documentation development.
  • Knowledge of software design patterns.
  • Knowledge of Agile Development methodologies.
  • DoD 8570 approved security certification (i.e., Security +) (Will be required 90 days after hire).


Desired Qualifications:
  • Software development or shell scripting experience.
  • Past experience using CAMEO a plus.
  • Excellent scripting skills with knowledge of programming languages, such as Perl, Ruby, and Python.
  • Good knowledge of networking protocols, such as TCP, IP, and OSI models.
  • Past Test Driven Development (TDD) experience a strong plus.
  • Experience with CUCUMBER or similar TDD automation framework a plus.


Original Posting:
August 20, 2026

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

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.

Join the Team

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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Prepare for Your Interview

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Networking and Career Advancement

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.

Explore Leidos Holding Jobs and Careers

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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