Security Clearance Jobs in Reston, VA

Date Posted:2026-09-16Country:United States of America Location:US-AZ-TUCSON-805 ~ 1151 E Hermans Rd ~ BLDG 805 Position Role Type:Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements...

Candidates must already possess an active Top Secret/SCI w/ Full Scope Polygraph to be considered. Summary: • Lead software engineering teams to extract value from structured and unstructure...

Your work days are brighter here.We’re obsessed with making hard work pay off, for our people, our customers, and the world around us. As a Fortune 500 company and a leading AI platform for managing p...

The application window is expected to close on: 11/19/2026 The application window is expected to close on November 20,2026 NOTE: Job posting may be removed earlier if the position is filled or if...

Senior Software EngineerQuantum Sky is searching a Senior Software Engineer to join our team building agent-powered applications for network automation and mission platforms. This is a hands-on develo...

DescriptionICF is a mission-driven company filled with people who care deeply about improving the lives of others and making the world a better place. Our core values include Embracing Difference; we ...

Description*We are open to supporting 100% remote work anywhere within the continental US.*Our team is a leading provider of Digital Transformation services for Federal agencies. Our services focus on...

Are you ready to put your AWS expertise to work on cloud challenges that few engineers get the chance to tackle?  Virtual Service Operations (VSO) is seeking an experienced AWS Modeling &...

Are you ready to put your AWS expertise to work on cloud challenges that few engineers get the chance to tackle?Virtual Service Operations (VSO) is seeking an experienced AWS Application Developer (Fu...

Are you ready to put your AWS expertise to work on cloud challenges that few engineers get the chance to tackle?  Virtual Service Operations (VSO) is seeking an experienced AWS Landing Zone ...

Are you ready to put your AWS expertise to work on cloud challenges that few engineers get the chance to tackle?  Virtual Service Operations (VSO) is seeking an experienced AWS Authenticatio...

Are you ready to put your AWS expertise to work on cloud challenges that few engineers get the chance to tackle?Virtual Service Operations (VSO) is seeking an experienced AWS Application Modernization...

Are you ready to put your AWS expertise to work on cloud challenges that few engineers get the chance to tackle?Virtual Service Operations (VSO) is seeking an experienced AWS Infrastructure Migration ...

We are seeking a Python Software Engineer to join our team. Working at NT Concepts means that you are part of an innovative, agile company dedicated to solving the most critical challenges in National...

Operations Manager / Deputy Program ManagerWe are seeking an Operations Manager / Deputy Program Manager to join our team. Working at NT Concepts means that you are part of an innovative, agile compan...

Job Title: Senior DevOps Engineer, Observability and FinOpsJob Category: EngineeringTime Type: Full timeMinimum Clearance Required to Start: TS/SCI with PolygraphEmployee Type: RegularPercentage of Tr...

Job Title: Senior Observability Platform Engineer - AlertingJob Category: Information TechnologyTime Type: Full timeMinimum Clearance Required to Start: TS/SCI with PolygraphEmployee Type: RegularPerc...

Who We Are: At SES Space & Defense, we deliver secure, resilient connectivity and integrated space solutions for customers operating in the world's most demanding environments. As part of SES S.A., a ...

A Principal Forward Deployed Engineer (Principal FDE) embeds across multiple strategic enterprise customers to define the technical strategy and engineering standards for AI-powered production systems...

Are you passionate about creating resilient cloud systems that power mission-critical operations? Do you want to apply leading edge artificial intelligence technologies like Amazon Bedrock to challeng...