Systems Engineer SME

Leidos•St. Louis, MO
•$131,300 - $237,350

About The Position

Leidos is seeking an experienced Systems Engineer Subject Matter Expert to provide technical leadership for the Chinook Program and its customer application. The role serves as the technical authority for systems engineering, shaping application architecture and future direction while promoting engineering excellence. The SME monitors system performance, troubleshoots anomalies, interacts with end users and support contractors responsible for security, cloud provisioning, and external system interfaces, and advises technical development leads and test engineers on improving software and testing effectiveness, reliability, and quality. The position also maintains system documentation and delivers presentations to end users and Government managers as required. It may be performed in Gaithersburg, Maryland; Alexandria or Chantilly, Virginia; Englewood, Colorado; St. Louis, Missouri; or Tucson, Arizona. An active Top Secret/SCI clearance and the ability to successfully pass a polygraph examination are required.

Requirements

  • U.S. citizenship, as required by the contract.
  • Active Top Secret/SCI clearance and ability to successfully pass a polygraph examination.
  • Bachelor's degree in Systems Engineering, Computer Science, or a related field with 12–15 years of relevant experience; or a master's degree with 10–13 years of relevant experience. A doctorate in a technical domain may also be held.
  • At least 12 years of progressive systems engineering experience supporting software-intensive or enterprise systems.
  • Demonstrated experience leading technical teams and influencing engineering strategy.
  • Deep knowledge of systems architecture, integration, lifecycle engineering, and systems thinking.
  • Experience leading engineering efforts in Agile and DevSecOps environments.
  • Exceptional leadership, communication, collaboration, and technical mentoring skills.

Nice To Haves

  • Experience supporting large-scale government or mission-focused programs.
  • Experience using AI tools to optimize system performance, or ability to identify and articulate practical AI applications for the role.
  • Expertise in cloud-native architecture, distributed systems, and enterprise modernization.
  • Systems Engineering Professional (SEP), INCOSE, CISSP, Security+, or similar credentials.
  • Proficiency in Python or C++ software development, automation, and system support.
  • Experience working with Linux operating systems for application deployment, automation, and systems support.
  • Proven success leading multidisciplinary engineering teams across complex technical programs.

Responsibilities

  • Serve as the technical lead and systems engineering authority for the customer application.
  • Define system architecture, engineering standards, technical roadmaps, and modernization strategies.
  • Manage and maintain cloud-based application systems to ensure high availability, reliability, and performance.
  • Monitor system performance and troubleshoot anomalies and complex technical issues, developing solutions to support system functionality and operational needs.
  • Evaluate opportunities to apply AI tools to improve troubleshooting, system monitoring, and operational effectiveness.
  • Lead requirements analysis, system design, integration, verification, and validation activities.
  • Guide technical decision-making across cross-functional engineering teams.
  • Evaluate emerging technologies and recommend innovative solutions to improve system capabilities.
  • Lead technical risk identification, mitigation planning, and engineering trade studies.
  • Mentor systems engineers and promote engineering best practices across the program.
  • Partner with program leadership and stakeholders to align technical solutions with mission objectives.
  • Drive continuous improvement initiatives that enhance system performance, scalability, security, and maintainability.
  • Interact with end users and support contractors responsible for security, cloud provisioning, and external system interfaces.
  • Provide feedback to technical development leads and test engineers to improve software and testing effectiveness and reliability.
  • Maintain system documentation and deliver presentations to end users and Government managers as required.
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