Security Architect Jobs in District of Columbia

Refine Results
121 - 140 of 657 Jobs

Information Systems Security Engineer (ISSE)

Leidos

Lanham, Maryland, USA

Full-time

Job DescriptionDescription We are actively seeking Information Systems Security Engineers (ISSE) with a minimum of five (5) years experience in the role of an ISSE. This opportunity is supporting the customer s Accreditation and Authorization (A&A) projects at the Group organizational level and is therefore supporting across various levels within the customer organization. CLEARANCE REQUIREMENT: Must be US Citizen or US Person (Green Card Holder) with the ability to obtain a level 4 Public Tru

CyberSecurity Engineering (Junior - Principal)

Clarity Innovations

Fort Meade, Maryland, USA

Full-time

Clarity Innovations is a trusted national security partner, dedicated to safeguarding our nation's interests and delivering innovative solutions that empower the Intelligence Community (IC) and Department of Defense (DoD) to transform data into actionable intelligence, ensuring mission success in an evolving world. Our mission-first software and data engineering platform modernizes data operations, utilizing advanced workflows, CI/CD, and secure DevSecOps practices. We focus on challenges in Inf

Information Systems Security Engineer (ISSE)

Leidos

Springfield, Virginia, USA

Full-time

Job DescriptionDescription We are actively seeking Information Systems Security Engineers (ISSE) with a minimum of five (5) years experience in the role of an ISSE. This opportunity is supporting the customer s Accreditation and Authorization (A&A) projects at the Group organizational level and is therefore supporting across various levels within the customer organization. CLEARANCE REQUIREMENT: Must be US Citizen or US Person (Green Card Holder) with the ability to obtain a level 4 Public Tru

Information System Security Officer (ISSO)

Redhorse Corporation

Fort Meade, Maryland, USA

Full-time

About the Organization Now is a great time to join Redhorse Corporation. We are a solution-driven company delivering data insights and technology solutions to customers with missions critical to U.S. national interests. We're looking for thoughtful, skilled professionals who thrive as trusted partners building technology-agnostic solutions and want to apply their talents supporting customers with difficult and important mission sets. About the Role Redhorse is seeking a highly skilled Informa

Security Engineer

ManTech

Herndon, Virginia, USA

Full-time

ManTech seeks a motivated, career and customer-oriented Security Engineer to join our team in Herndon, VA to design, implement, and maintain secure environments that align with compliance standards in support of a high priority mission at one of our National Intelligence Customers. This role requires an individual with a strong technical foundation in cybersecurity, a deep understanding of federal security frameworks, and a proactive approach to protecting mission-critical systems. Responsibili

Information Systems Security Engineer (ISSE)

Leidos

Clinton, Maryland, USA

Full-time

Job DescriptionDescription We are actively seeking Information Systems Security Engineers (ISSE) with a minimum of five (5) years experience in the role of an ISSE. This opportunity is supporting the customer s Accreditation and Authorization (A&A) projects at the Group organizational level and is therefore supporting across various levels within the customer organization. CLEARANCE REQUIREMENT: Must be US Citizen or US Person (Green Card Holder) with the ability to obtain a level 4 Public Tru

Cybersecurity Architect

Cymertek Corporation

Reston, Virginia, USA

Full-time

Cybersecurity Architect LOCATION Reston, VA 20190 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are looking for an innovative and strategic Cybersecurity Architect to lead the design and implementation of our organization's security infrastructure. In this role, you will develop comprehensive security architectures, guide technical teams, and ensure our systems are resilient against evolving cyber threats. The ideal candidate is a forward-

IT Security Analyst T3 - Herndon, VA - 3 days Onsite every week - Only W2 candidates

Emergere Technologies

Herndon, Virginia, USA

Contract

IT Security Analyst T3 Local to Washington, DC or Herndon, VA area Description: *This role requires in office (Herndon) 3 days a week (Tuesday, Wednesday & Thursday) but may increase as business needs change.* Summary: Security Analyst (SA) will assist with the creation, update, and maintenance of FedRAMP required security documentation, associated artifacts, and Continuous Monitoring (CONMON) requirements such as the Plan of Action and Milestones (POAM) and assisting the Cloud Operations team

IT Security Analyst T3 - Hybrid

Emergere Technologies

Herndon, Virginia, USA

Contract

Role: IT Security Analyst T3 Duration: 05/26/2025 to 05/25/2026 Location: Local to Washington, DC or Herndon, VA area Description: This role requires in office (Herndon) 3 days a week (Tuesday, Wednesday & Thursday) but may increase as business needs change.* Summary: Security Analyst (SA) will assist with the creation, update, and maintenance of FedRAMP required security documentation, associated artifacts, and Continuous Monitoring (CONMON) requirements such as the Plan of Action and Milestone

Security Vulnerability Engineer

PETADATA

Washington, District of Columbia, USA

Full-time, Third Party, Contract

Position: Security Vulnerability Engineer Location: REMOTE Experience: 5+ years Work type: C2C PETADATA is seeking an experienced Security Vulnerability Engineer to join our team. The ideal candidate will have a strong background in identifying and mitigating security vulnerabilities in software applications and systems. Roles & Responsibilities: Identify and analyze potential security vulnerabilities in software applications and systems. Design and implement penetration testing and vulnera

Information Security Systems Engineer

Leidos

Columbia, Maryland, USA

Full-time

Description Leidos has a new and exciting opportunity for a Sr. Information Systems Security Engineer in our National Security Sector's (NSS) Cyber & Analytics Business Area (CABA). Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. At Leidos, we offer competitive benefits, including Paid Time Off, 11 paid Holidays, 401K with a 6% comp

Information Systems Security Officer - Clearance Required

Lockheed Martin

Fort Meade, Maryland, USA

Full-time

Job ID: 687607BR Date posted: May. 28, 2025 Description:What We're Doing: Lockheed Martin, Rotary Mission Systems Cyber & Intelligence invites you to step up to one of today's most daunting challenges: the use of advanced electronics to undermine our way of life. As a cyber security professional at Lockheed Martin, you'll protect the networks that our citizens and the world depend upon each minute: Financial assets. Healthcare information. Critical infrastructure. Hazardous materials. The unint

Virtru Security Engineer

Booz Allen Hamilton

Arlington, Virginia, USA

Full-time

Job Number: R0219984 Virtru Security Engineer The Opportunity: As a Virtru Security Engineer you'll play a critical role in the world of zero t rus t. You will support the cyber architecture development, implementation, and sustainment across multiple networks of different classification levels. You'll interface with stakeholders and engineering teams to delve into the details and dependencies of critical processes and users' roles within them. You'll lead security compliance initiatives and a

Security Analyst FedRAMP / RMF / NIST Hybrid (Herndon, VA)

NextGen IT Services

Herndon, Virginia, USA

Full-time

Type: Contract / Contract-to-Hire/ Full timeLocation: Herndon, VA (Hybrid Tues to Thurs on-site) Job Description:We re looking for a Security Analyst with strong FedRAMP and NIST RMF experience to support a major cloud enterprise security program. This hybrid role (3 days/week onsite in Herndon, VA) is part of a prime federal contract supporting SAP NS2. Responsibilities Include: Create and maintain FedRAMP-compliant security documentation (SSP, POAMs, CONMON) Collaborate with ISSOs and cloud te

Information Systems Security Engineer (ISSE)

Leidos

Glenn Dale, Maryland, USA

Full-time

Job DescriptionDescription We are actively seeking Information Systems Security Engineers (ISSE) with a minimum of five (5) years experience in the role of an ISSE. This opportunity is supporting the customer s Accreditation and Authorization (A&A) projects at the Group organizational level and is therefore supporting across various levels within the customer organization. CLEARANCE REQUIREMENT: Must be US Citizen or US Person (Green Card Holder) with the ability to obtain a level 4 Public Tru

Cloud Infrastructure Engineer- 5 days onsite NoHo, NY

Motion Recruitment Partners, LLC

Arlington, Virginia, USA

Full-time

Cloud Infrastructure Engineer As a Cloud Infrastructure Engineer, you will take ownership of managing and evolving their Google Cloud Platform infrastructure, continuously enhancing cloud architecture to align with the latest capabilities and industry's best practices. You'll play a key role in assessing the performance and reliability of production systems, assisting in vulnerability triage, and developing tools that simplify and automate the deployment and configuration of cloud services. The

Information Assurance and Security Specialist with Min 10yrs Exp (Webcam Interview) (HYBRID_ Only Local to DC/MD/VA Area)

NextGen Solutions Corporation

Washington, District of Columbia, USA

Full-time, Contract, Third Party

We are looking IA & SS Jrny (Min 6+ years of exp) HYBRID (Webcam interviews) POSITION DESCRIPTION DIRECT CLIENT Position Number of positions: 1 Length: 16 Months + Location: Washington DC 20004 Immediate interviews Webcam interviews ONLY Information Assurance and Security Specialist Journeyman (IA & SS Jrny) *Only submit local candidates to DMV region* *Hybrid position - candidate will be required to be on-site 3x/week in the near future* Duties: a. As part of the technology team, the Securit

Network Security Engineer

DMI

Arlington, Virginia, USA

Full-time

About DMI DMI is a leading provider of digital services and technology solutions, headquartered in Tysons Corner, VA. With a focus on end-to-end managed IT services, including managed mobility, cloud, cybersecurity, network operations, and application development, DMI supports public sector agencies and commercial enterprises around the globe. Recognized as a Top Workplace, DMI is committed to delivering secure, ef?cient, and cost-effective solutions that drive measurable results. Learn more at

Information Systems Security Engineer (ISSE)

Leidos

Fort Washington, Maryland, USA

Full-time

Job DescriptionDescription We are actively seeking Information Systems Security Engineers (ISSE) with a minimum of five (5) years experience in the role of an ISSE. This opportunity is supporting the customer s Accreditation and Authorization (A&A) projects at the Group organizational level and is therefore supporting across various levels within the customer organization. CLEARANCE REQUIREMENT: Must be US Citizen or US Person (Green Card Holder) with the ability to obtain a level 4 Public Tru

Palo Alto Network Security Engineer

Tandym Tech

Vienna, Virginia, USA

Contract

A top Fortune 50 financial institution is currently seeking a Network Security Engineer (specializing in Palo Alto) to support a major firewall rules validation and optimization project. This role offers the opportunity to work on enterprise-scale security initiatives involving on-premise and cloud infrastructure, integrating cutting-edge tools like FireMon, ServiceNow, and Illumio. About the Opportunity: Schedule: Monday to Friday (occasional after-hours/on-call support required) Assignment Le