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Senior Infrastructure Engineer Security Clearance

Job in Gaithersburg, Montgomery County, Maryland, 20879, USA
Listing for: Leidos
Full Time position
Listed on 2026-06-01
Job specializations:
  • Engineering
    Systems Engineer, Cybersecurity
  • IT/Tech
    Systems Engineer, Cybersecurity
Job Description & How to Apply Below
Position: Senior Infrastructure Engineer with Security Clearance
R
- Description This Department of War enterprise data and analytics program delivers mission-critical capabilities that enable leaders across the Department to make faster, better-informed decisions using trusted data dos Digital Modernization sector is seeking an experienced Senior Infrastructure Engineer to support the delivery, enhancement, and adoption of enterprise data and analytics products used across multiple DoD organizations. In this role, you will work alongside government partners, engineers, and other industry teammates to translate operational and strategic requirements into scalable, production-ready solutions.

You will contribute directly to product planning, execution, and continuous improvement—helping ensure capabilities are delivered efficiently, aligned to mission priorities, and positioned for sustained success. This position offers the opportunity to work on a high-visibility, enterprise program at the intersection of data, analytics, and emerging AI technologies. Ideal candidates are motivated by mission impact, comfortable operating in complex stakeholder environments, and interested in building deep domain expertise while delivering capabilities with real-world national security outcomes.

Primary Responsibilities:

* 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, architect, engineer, and continuously improve the user interface (UI) and user experience (UX).
* 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.

Basic Qualifications:

* 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),
* Offerings listed in the DoD 8140 Training Repository,
* Demonstrated equivalent training and experience qualifying under DoD 8140 foundational qualification alternatives.
* Minimum of 10 years of experience in infrastructure engineering or related field.
* Experience with network, cloud, hardware, and operating system infrastructure.
* Experience with COTS, GOTS, and FOSS components.
* Experience with performance metrics, instrumentation, and monitoring tools.
* Experience with systems engineering and cybersecurity artifacts.
* Experience supporting RMF compliance, STIG…
Position Requirements
10+ Years work experience
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