Senior Infrastructure Engineer

Leidos

. Design, integrate, and maintain network, cloud, hardware, and operating system infrastructure for the platform .

Posted 5/23/2026full-timeAlexandria • Maryland, Virginia • 🇺🇸 United StatesSenior💰 $107,900 - $195,050 per yearWebsite

Tech Stack

Tools & technologies

CloudCyber SecurityTypeScript

About the role

Key responsibilities & impact

Design, integrate, and maintain network, cloud, hardware, and operating system infrastructure for the platform
Test and integrate COTS, GOTS, and FOSS components to ensure system reliability and performance
Manage data-pipeline resource needs, access controls, and capacity planning
Develop and implement performance metrics, instrumentation, and monitoring tools
Ensure system stability, availability, and scalability across all environments
Prepare, maintain, and execute a System Engineering Plan (SEP) for managing all systems architecture and engineering aspects
Conduct systems engineering activities to specify, build, and maintain system engineering designs
Design, prepare, and document systems engineering and cybersecurity artifacts
Establish and maintain a System Requirements management environment and process
Support enterprise system architecture activities and maintain system architecture artifacts
Define, document, maintain, and promulgate APIs and technical standards
Design, engineer, integrate, and continuously improve the underlying infrastructure of the System
Identify, prepare, track, secure, and integrate government, commercial, and open-source tools and services
Design, build, and maintain services and products to make production-ready AI/ML models accessible
Design, architect, engineer, and continuously improve all aspects of cybersecurity elements of the System
Perform site reliability engineering to build and maintain a reliable, scalable, and efficient System
Participate in the Engineering Control Board (ECB) process for supporting all major engineering milestones and decisions

Requirements

What you’ll need

Active Top Secret (TS) clearance with SCI eligibility
Bachelor’s degree in Computer Science, Engineering, Information Systems, or related technical discipline and 8 years of relevant experience OR Master’s degree in a related field and 6 years of relevant experience
At least one of the following foundational qualification pathways consistent with DoD 8140 requirements: Current DoD 8570/8140 baseline certification appropriate for Intermediate System Administrator roles (e.g., Cloud+, GICSP, GSEC, or SSCP)
Minimum of 10 years of experience in infrastructure engineering or related field
Experience with network, cloud, hardware, and operating system infrastructure
Experience with performance metrics, instrumentation, and monitoring tools
Experience supporting RMF compliance, STIG implementation, and cybersecurity monitoring

Benefits

Comp & perks

Health and Wellness programs
Income Protection
Paid Leave
Retirement

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

network infrastructurecloud infrastructurehardware infrastructureoperating system infrastructureperformance metricsinstrumentationmonitoring toolssite reliability engineeringAPIscybersecurity

Soft Skills

capacity planningsystem stabilitysystem availabilitysystem scalabilitydocumentationprocess managementintegrationdesignengineeringcollaboration

Certifications

Top Secret (TS) clearanceDoD 8570/8140 baseline certificationCloud+GICSPGSECSSCP