security+ Jobs in district of columbia

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Cyber Network Defense Analyst II

Nightwing

•

Sterling, Virginia, USA

Full-time

Nightwing provides technically advanced full-spectrum cyber, data operations, systems integration and intelligence mission support services to meet our customers' most demanding challenges. Our capabilities include cyber space operations, cyber defense and resiliency, vulnerability research, ubiquitous technical surveillance, data intelligence, lifecycle mission enablement, and software modernization. Nightwing brings disruptive technologies, agility, and competitive offerings to customers in th
Posted 60+ days ago | Updated 4 hours ago

Sr. Systems Engineer

Leidos

•

Fort Belvoir, Virginia, USA

Full-time

Description Leidos is seeking a Sr. Systems Engineer to support large-scale migration and operations on a large, high-profile DOD contract. The I3TS program provides enterprise-wide IT support to enable the Defense Threat Reduction Agency's (DTRA) Information Management & Technology Directorate (ITD) to consolidate, modernize, and continuously innovate the delivery of IT services and mission capabilities to DTRA's internal and external mission partners operating in CONUS and OCONUS locations. T
Posted 1 day ago | Updated 4 hours ago

Classified Virtualization Systems Administrator

Johns Hopkins University AppliedPhysicsLaboratory

•

Laurel, Maryland, USA

Full-time

Description Do you thrive in and love a fast-paced, dynamic classified environment? Do you want to be empowered to take ownership and stake in the overall engineering and operations of the IT infrastructure? Are you interested in learning new technologies and creating new IT capabilities? If so, we're looking for someone like you to apply and join our team at APL! We are ranked as one of Computerworld 's Top Places to Work in IT for 6 years running, and we are seeking a Virtualization Systems
Posted 45 days ago | Updated 4 hours ago

Cloud Software Engineer, TS/SCI with Polygraph

General Dynamics Information Technology

•

Chantilly, Virginia, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret SCI + Polygraph Clearance Level Must Be Able to Obtain: Top Secret SCI + Polygraph Public Trust/Other Required: None Job Family: Software Engineering Job Qualifications: Skills: Cloud IAM, Cloud Security, Threat Detection Certifications: None Experience: 5 + years of related experience ship Required: Yes Job Description: Software Engineer Senior We are seeking highly motivated engineers with a thirst for lea
Posted 60+ days ago | Updated 14 hours ago

Cloud Software Engineer, TS/SCI with Polygraph

General Dynamics Information Technology

•

Chantilly, Virginia, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret SCI + Polygraph Clearance Level Must Be Able to Obtain: Top Secret SCI + Polygraph Public Trust/Other Required: None Job Family: Software Engineering Job Qualifications: Skills: Cloud IAM, Cloud Security, Threat Detection Certifications: None Experience: 10 + years of related experience ship Required: Yes Job Description: Software Engineer Sr Advisor We are seeking highly motivated engineers with a thirst fo
Posted 60+ days ago | Updated 14 hours ago

Cybersecurity Project Engineer

Nightwing

•

Sterling, Virginia, USA

Full-time

Nightwing provides technically advanced full-spectrum cyber, data operations, systems integration and intelligence mission support services to meet our customers' most demanding challenges. Our capabilities include cyber space operations, cyber defense and resiliency, vulnerability research, ubiquitous technical surveillance, data intelligence, lifecycle mission enablement, and software modernization. Nightwing brings disruptive technologies, agility, and competitive offerings to customers in th
Posted 32 days ago | Updated 4 hours ago

Cyber Network Defense Analyst III

Nightwing

•

Sterling, Virginia, USA

Full-time

Nightwing provides technically advanced full-spectrum cyber, data operations, systems integration and intelligence mission support services to meet our customers' most demanding challenges. Our capabilities include cyber space operations, cyber defense and resiliency, vulnerability research, ubiquitous technical surveillance, data intelligence, lifecycle mission enablement, and software modernization. Nightwing brings disruptive technologies, agility, and competitive offerings to customers in th
Posted 60+ days ago | Updated 4 hours ago

Senior Systems Administrator (Linux/Windows)

GovCIO

•

Remote

Full-time

Overview GovCIO is hiring for a Senior Systems Administrator (Linux and Windows) to provide on-going support for the administration of the core system applications and perform operational tasks such as monitoring system resources and perform routine maintenance tasks in support of 24x7 life cycle applications to include on-call support. Work location is in Washington, DC and will be a hybrid remote with periodic onsite customer work activities. Must be willing to work nights, have an active Sec
Posted 15 days ago | Updated 2 hours ago

Software Infrastructure Engineer (Onsite)

RTX Corporation

•

Sterling, Virginia, USA

Full-time

Date Posted: 2025-07-06 Country: United States of America Location: HVA34: Sterling, VA 22640 Davis Dr , Sterling, VA, 20164-7104 USA Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: Active and transferable U.S. government issued security clearance is required prior to start date.Security Clearance: DoD Clearance: Secret Software Infrastructure Engineer (Onsite) This position requires an active US security clearance. Most aspects of the job are done i
Posted 13 days ago | Updated 4 hours ago

Information Systems Security Officer (ISSO3) (Government)

AT&T Inc.

•

Columbia, Maryland, USA

Full-time

Job Description: AT&T Global Public Sector is a trusted provider of secure, IP enabled, cloud-based, network solutions and professional services to the Federal Government. We are dedicated to recruiting, developing and empowering a diverse, high-performing workforce that is passionate about what they do, committed to our shared values and dedicated to our customers' mission. MAROONMIDNIGHTS (MMN) Provide IT support and solutions developed for National Cryptologic University classified training
Posted 32 days ago | Updated 4 hours ago

NCIS ServiceNow Developer | Active Secret clearance

General Dynamics

•

Quantico, Virginia, USA

Full-time

Type of Requisition: Pipeline Clearance Level Must Currently Possess: Secret Clearance Level Must Be Able to Obtain: Secret Public Trust/Other Required: None Job Family: Software Development Job Qualifications: Skills: ServiceNow Agile Development, ServiceNow Configuration Management Database (CMDB), ServiceNow Release Management Certifications: None Experience: 8 + years of related experience ship Required: Yes Job Description: Transform technology into opportunity as a ServiceNow Devel
Posted 19 days ago | Updated 4 hours ago

Microsoft Exchange & Messaging Engineer - TS/SCI with Polygraph

General Dynamics

•

Chantilly, Virginia, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret SCI + Polygraph Clearance Level Must Be Able to Obtain: Top Secret SCI + Polygraph Public Trust/Other Required: None Job Family: Systems Engineering Job Qualifications: Skills: Microsoft PowerShell, Microsoft Windows Server, Systems Engineering Certifications: None Experience: 10 + years of related experience ship Required: Yes Job Description: We are seeking highly motivated Microsoft Exchange and Messaging
Posted 60+ days ago | Updated 4 hours ago

TECHNICAL DATA GOVERNANCE LEAD

Optima Global Solutions

•

Remote or Washington, District of Columbia, USA

Contract

Optima Global Solutions Inc.is a valuable IT Services and Solution provider that customers, employees, and stakeholders feel proud to be associated with. Optima's Intelligent Automation Solutions leverage robotic process automation, intelligent data capture, and business process management best practices to streamline operations. Our IT Services practice provides organizations with highly personalized, comprehensive, U.S. based recruiting services supported by our internal onsite team of subject
Easy Apply
Posted 60+ days ago | Updated 12 hours ago

Network Engineer

TechWish

•

Manassas, Virginia, USA

Contract

Job Title: Firewall/Network security Engineer Location: Manassas, VA(Hybrid role) Face 2 Face interview at VA Hands-on experience with Fortinet and Checkpoint Firewalls or similar technologiesHand-on experience with Firewall management platforms Forti Manager, Forti Analyzer, Checkpoint Smart-OneFamiliarity with security policy management tools like Algosec Security Management SystemFamiliarity with SD-WAN and Zero TrustCapable of troubleshooting complex network flows, interconnectivity, perform
Easy Apply
Posted 30 days ago

Microsoft Exchange & Messaging Engineer - TS/SCI with Polygraph

General Dynamics Information Technology

•

Chantilly, Virginia, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret SCI + Polygraph Clearance Level Must Be Able to Obtain: Top Secret SCI + Polygraph Public Trust/Other Required: None Job Family: Systems Engineering Job Qualifications: Skills: Microsoft PowerShell, Microsoft Windows Server, Systems Engineering Certifications: None Experience: 10 + years of related experience ship Required: Yes Job Description: We are seeking highly motivated Microsoft Exchange and Messaging
Posted 60+ days ago | Updated 14 hours ago

Microsoft Exchange & Messaging Engineer - TS/SCI with Polygraph

General Dynamics Information Technology

•

Chantilly, Virginia, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret SCI + Polygraph Clearance Level Must Be Able to Obtain: Top Secret SCI + Polygraph Public Trust/Other Required: None Job Family: Systems Engineering Job Qualifications: Skills: Microsoft PowerShell, Microsoft Windows Server, Systems Engineering Certifications: None Experience: 10 + years of related experience ship Required: Yes Job Description: We are seeking highly motivated Microsoft Exchange and Messaging
Posted 60+ days ago | Updated 14 hours ago

SAP NS2 Database Administrator-active Top Secret-Onsite-Tampa or Metro DC

SAP Americas, Inc.

•

Herndon, Virginia, USA

Full-time

We help the world run better At SAP, we enable you to bring out your best. Our company culture is focused on collaboration and a shared passion to help the world run better. How? We focus every day on building the foundation for tomorrow and creating a workplace that embraces differences, values flexibility, and is aligned to our purpose-driven and future-focused work. We offer a highly collaborative, caring team environment with a strong focus on learning and development, recognition for your i
Posted 60+ days ago | Updated 4 hours ago

Infoblox Engineer - TS/SCI

General Dynamics

•

Annapolis, Maryland, USA

Full-time

Type of Requisition: Pipeline Clearance Level Must Currently Possess: Top Secret/SCI Clearance Level Must Be Able to Obtain: Top Secret SCI + Polygraph Public Trust/Other Required: None Job Family: Systems Engineering Job Qualifications: Skills: Building Architecture, Systems Design, Systems Engineering, Virtualization Certifications: None Experience: 8 + years of related experience ship Required: Yes Job Description: At GDIT, people are our differentiator. As a Infoblox Systems Engineer
Posted 60+ days ago | Updated 4 hours ago

Systems Administrator - Linux/Windows

GovCIO

•

Remote

Full-time

Overview Provide on-going support for the administration of the core system applications and perform operational tasks such as monitoring system resources and perform routine maintenance tasks in support of 24x7 life cycle applications to include on-call support. Work location is hybrid with periodic customer site work activities. Must be willing to work nights, have a Security+ certification, and an active Top Secret clearance. Responsibilities Position Description: In this role you will: Pr
Posted 51 days ago | Updated 2 hours ago

Desktop Systems Engineer - TS/SCI

General Dynamics

•

Annapolis, Maryland, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret/SCI Clearance Level Must Be Able to Obtain: Top Secret SCI + Polygraph Public Trust/Other Required: None Job Family: Systems Engineering Job Qualifications: Skills: Information Systems, System Administration, Systems Engineering Certifications: None Experience: 10 + years of related experience ship Required: Yes Job Description: GDIT is your place. Make it your own by bringing your ideas and unique perspectiv
Posted 60+ days ago | Updated 4 hours ago