Senior Systems Engineer - Mission-Critical & Secure Ops

Leidos LLC; Fort Meade (MD); On-site; USD 154,000 - 278,000; Full time

Job summary

Leidos is seeking a Principal Systems Engineer for the Intelligence Sector's Cyber & Analytics Business Area. The role leads design, integration, testing, deployment, training, and sustainment of packet-based hardware and software systems using COTS and GOTS products.

Senior authority to guide end-to-end system integration across hardware, software, and networks to ensure interoperability and mission success within a high-trust environment. Requires TS/SCI with poly and 20+ years of experience.

Qualifications

• 20+ years of Systems Engineering experience on programs/contracts of similar scope, type, and complexity.
• Bachelor’s degree in a technical discipline related to Information Technology, Systems Engineering, Computer Science, or a related field.
• Five (5) additional years of Systems Engineering experience may be substituted in lieu of a degree.
• Active TS/SCI with polygraph clearance.

Responsibilities

• Lead the design, integration, testing, deployment, training, and sustainment of packet-based hardware and software systems leveraging COTS and GOTS products.
• Direct end-to-end systems integration across hardware, software, and network components to ensure interoperability, scalability, and optimized performance.
• Develop and execute system integration plans, validation and verification procedures, and deployment strategies to ensure operational readiness and requirements compliance.
• Develop, update, and maintain BASH and PERL scripts to automate system setup, configuration, and maintenance of core servers and clustered computing environments.
• Implement automation initiatives and process improvements to enhance system reliability, efficiency, and long-term maintainability.
• Provide senior-level technical leadership, advanced troubleshooting, and lifecycle sustainment support, including system upgrades, patching, and performance tuning.
• Deliver training and technical guidance to administrators, operators, and cross-functional engineering teams while ensuring adherence to security and configuration management standards.

Skills

Systems Engineering

Security Clearance TS/SCI with poly

Education

Bachelor’s degree in IT/Systems Engineering/CS

Tools

BASH

PERL

Job description

Leidos is seeking a Principal Systems Engineer for the Intelligence Sector's Cyber & Analytics Business Area. The role leads design, integration, testing, deployment, training, and sustainment of packet-based hardware and software systems using COTS and GOTS products.

Senior authority to guide end-to-end system integration across hardware, software, and networks to ensure interoperability and mission success within a high-trust environment. Requires TS/SCI with poly and 20+ years of experience.