Lead Security Engineer Jobs in District of Columbia

301 - 320 of 556 Jobs

Information Systems Security OfficerJob Title - Information Systems Security Officer

IO AssociatesCompany Name - IO Associates

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Alexandria, Virginia, USA

Full-time

Job Advert Organisation Overview Our client is a leading organization dedicated to ensuring the security and compliance of information systems. With a strong focus on innovation and growth within the cybersecurity sector, they offer an excellent opportunity for professionals seeking a challenging and rewarding work environment. Role Summary Our client is seeking an Information Systems Security Officer (ISSO) to play a vital role in maintaining the security and compliance of their information

Cybersecurity Strategy, Risk, and Resilience Security Strategy Solutions ArchitectJob Title - Cybersecurity Strategy, Risk, and Resilience Security Strategy Solutions Architect

TikTokCompany Name - TikTok

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Washington, District of Columbia, USA

Full-time

Location : Washington D.C. Employment Type : Regular Job Code : A79489B Apply to this job Share this listing: Responsibilities The mission of TikTok's Global Security Organization is to build and earn trust by reducing risk and securing our businesses and products. Also known as "GSO", this team is the foundation of our efforts to keep TikTok safe, secure, and operating at scale for over 1 billion people around the world. We work to ensure that the TikTok platform is safe and secure, that

Information Systems Security Officer (ISSO)Job Title - Information Systems Security Officer (ISSO)

Navigant ConsultingCompany Name - Navigant Consulting

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Springfield, Virginia, USA

Full-time

Job Family: IT Cyber Security Travel Required: None Clearance Required: Active Top Secret SCI (TS/SCI) What You Will Do: The ISSO will support a large IC client Security & Infrastructure Office with information and data security procedures and processes. Regular duties will include: Operate within cleared environments to perform Information Assurance specific activities for customer needs and timelines.Perform assessments of systems and networks within the networking environment and identify

Security Control Assessor - TS/SCI w/PolyJob Title - Security Control Assessor - TS/SCI w/Poly

General Dynamics Information TechnologyCompany Name - General Dynamics Information Technology

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Bethesda, Maryland, 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: Information Security Job Qualifications: Skills: RMF, Security Controls, Security Technical Implementation Guide (STIG) Certifications: None Experience: 8 + years of related experience ship Required: Yes Job Description: Seize your opportunity to make a personal impact as a Securit

Cloud Solution Architect - SecurityJob Title - Cloud Solution Architect - Security

Microsoft CorporationCompany Name - Microsoft Corporation

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Washington, District of Columbia, USA

Full-time

Join Microsoft's US Public Sector Industries DIB Team-where mission meets innovation. The Defense Industrial Base (DIB) Operating Unit (OU) is a newly formed team with a bold mission: to consolidate , simplify, and accelerate Microsoft's presence across the DIB landscape. This expansive network includes over 100,000 organizations specializing in manufacturing, aviation, cybersecurity, and more-all united in their support of all Federal Agencies, including the U.S. Department of Defense and other

SkillBridge Cyber/IT Security Intern (Transitioning Military)Job Title - SkillBridge Cyber/IT Security Intern (Transitioning Military)

American Systems CorporationCompany Name - American Systems Corporation

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Arlington, Virginia, USA

Full-time

Overview AMERICAN SYSTEMS is an employee-owned federal government contractor supporting national priority programs through our strategic solutions in the areas of Information Technology, Test & Evaluation, Program Mission Support, Engineering & Analysis, and Training. Responsibilities As a SkillBridge Cyber/IT Security Intern with AMERICAN SYSTEMS you will have the opportunity to do the following. We have availability to bring on an intern starting in October 2025. Conduct periodic system ass

Information Systems Security OfficerJob Title - Information Systems Security Officer

SAICCompany Name - SAIC

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Arlington, Virginia, USA

Full-time

Job ID: 2507985 Location: ARLINGTON, VA, US Date Posted: 2025-08-05 Category: Cyber Subcategory: Cyber GRC Schedule: Full-time Shift: Day Job Travel: No Minimum Clearance Required: Secret Clearance Level Must Be Able to Obtain: TS/SCI Potential for Remote Work: No Description SAIC is seeking an experienced and proactive expert to join our distinguished Information Assurance/Information Security (InfoSec) team. The ideal candidate will exemplify a results-driven attitude and possess th

Senior Program Security OfficerJob Title - Senior Program Security Officer

ManTechCompany Name - ManTech

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Chantilly, Virginia, USA

Full-time

MANTECH seeks a motivated, career-oriented Senior Program Security Officer to join our team in Chantilly, VA. In this role, you will provide comprehensive program, physical, and personnel security support across a range of secure facility activities. You will play a vital part in ensuring that security operations align with customer requirements and national policy. Responsibilities include but are not limited to: Provide security support and perform a variety of security-related tasks for Coll

Senior Information Security AnalystJob Title - Senior Information Security Analyst

DLA PiperCompany Name - DLA Piper

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Washington, District of Columbia, USA

Full-time

DLA Piper is, at its core, bold, exceptional, collaborative and supportive. Our people are the backbone, heart and soul of our firm. Wherever you are in your professional journey, DLA Piper is a place you can engage in meaningful work and grow your career. Let s see what we can achieve. Together. Summary The Senior Information Security Analyst is responsible for identifying, investigating, and addressing both internal and external threats. This position requires a deep understanding of variou

Associate Industrial Security Representative/Assistant Facility Security OfficerJob Title - Associate Industrial Security Representative/Assistant Facility Security Officer

LeidosCompany Name - Leidos

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Lorton, Virginia, USA

Full-time

Description The Digital Modernization Sector at Leidos is seeking an Associate Industrial Security Representative/Assistant Facility Security Officer (AFSO) in Lorton, VA. The position will be a part of the Leidos Defense/Intel IT Business Area. The ISR/AFSO will work under the guidance of the Leidos Defense & Intel IT, Business Area Security Manager in the application of Leidos security standards and practices to existing government and Leidos facilities identified by the contract(s). The ISR

Security Control AssessorJob Title - Security Control Assessor

Apex SystemsCompany Name - Apex Systems

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Arlington, Virginia, USA

Full-time

Job#: 2082695 Job Description: Overview We are seeking a highly experienced Security Control Assessor (SCA) to provide expert-level cybersecurity assessment, compliance, and risk management support across the DoD SAP IT enterprise. This role is critical in guiding programs through the Risk Management Framework (RMF), validating security controls, and ensuring enterprise-wide adherence to DoD cybersecurity policies. The ideal candidate will bring deep technical knowledge, strong analytical skill

Information Systems Security Manager - TS/SCI with PolygraphJob Title - Information Systems Security Manager - TS/SCI with Polygraph

General DynamicsCompany Name - General Dynamics

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Bethesda, Maryland, 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: Information Security Job Qualifications: Skills: Cloud:Amazon Web Services (AWS), Plan of Action and Milestones (POA&M), RMF, Xacta (Platform) Certifications: None Experience: 8 + years of related experience ship Required: Yes Job Description: Seize your opportunity to make a person

Information Systems Security Manager - TS/SCI with PolygraphJob Title - Information Systems Security Manager - TS/SCI with Polygraph

General Dynamics Information TechnologyCompany Name - General Dynamics Information Technology

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Bethesda, Maryland, 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: Information Security Job Qualifications: Skills: Cloud: Amazon Web Services (AWS), Plan of Action and Milestones (POA&M), RMF, Xacta (Platform) Certifications: None Experience: 8 + years of related experience ship Required: Yes Job Description: Seize your opportunity to make a pers

Senior Information Security AnalystJob Title - Senior Information Security Analyst

General DynamicsCompany Name - General Dynamics

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Fairfax, Virginia, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Secret Clearance Level Must Be Able to Obtain: Secret Public Trust/Other Required: None Job Family: Information Security Job Qualifications: Skills: Data Security, Information Assurance, Information Security, System Security Certifications: None Experience: 8 + years of related experience ship Required: Yes Job Description: Information Security Analyst Sr Advisor Transform technology into opportunity as an Information

Information Systems Security Officer AssociateJob Title - Information Systems Security Officer Associate

SAICCompany Name - SAIC

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Arlington, Virginia, USA

Full-time

Job ID: 2507975 Location: ARLINGTON, VA, US Date Posted: 2025-08-05 Category: Cyber Subcategory: Cyber GRC Schedule: Full-time Shift: Day Job Travel: No Minimum Clearance Required: Secret Clearance Level Must Be Able to Obtain: Top Secret Potential for Remote Work: No Description SAIC's Corporate Security Team is looking for an Associate ISSO supporting our team in Arlington, Virginia. The Associate Information Systems Security Officer (ISSO) will have responsibility for supporting th

Information Assurance/Security SpecialistJob Title - Information Assurance/Security Specialist

UVS InfotechCompany Name - UVS Infotech

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Washington, District of Columbia, USA

Full-time

Information Assurance/Security Specialist About UVS Infotech: UVS Infotech is a Laurel, Maryland-based, IT System Integrator with expertise in Emerging Technologies: Artificial Intelligence, Machine Learning, Robotic Process Automation, Blockchain, Identity & Access Management, and Identity Proofing. We help federal agencies modernize legacy systems, enhance decision-making, and improve service delivery. Our team blends technical excellence with deep domain knowledge to drive innovation in missi

Personnel Security SpecialistJob Title - Personnel Security Specialist

Redhorse CorporationCompany Name - Redhorse Corporation

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Arlington, Virginia, 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 Corporation is seeking a highly ski

Information Assurance/Security Specialist (RPA/AI)Job Title - Information Assurance/Security Specialist (RPA/AI)

Metric5Company Name - Metric5

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Washington, District of Columbia, USA

Full-time

Metric5 is seeking a Information Assurance/Security Speccialist (RPA & AI) for an upcoming opportunity. Location: Onsite - Washington, DC Job Description Roles & Responsibilities: Serve as the lead security SME for the BEP RPA program, ensuring all solutions comply with federal and agency-specific security requirements. Administer IT security controls, manage accreditation packages, and support the Authority to Operate (ATO) process for RPA/AI systems and applications. Develop and maintain secur

Information System Security Manager (ISSM)Job Title - Information System Security Manager (ISSM)

Johns Hopkins University AppliedPhysicsLaboratoryCompany Name - Johns Hopkins University AppliedPhysicsLaboratory

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Laurel, Maryland, USA

Full-time

Description Do you love solving problems while enabling impactful research to operate securely? Are you passionate about making meaningful contributions to national security cyber missions? Do you like collaborating with a team with varied strengths to tackle complex problems which enable research across space exploration, cybersecurity, national defense, and cutting edge technologies? If so, we're looking for someone like you to join our team at APL. We are ranked as one of Computerworld '

Junior Security Training Consultant w/TS/SCIJob Title - Junior Security Training Consultant w/TS/SCI

Judge Group, Inc.Company Name - Judge Group, Inc.

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Washington, District of Columbia, USA

Contract

Location: Washington, DC Salary: $35.00 USD Hourly - $45.00 USD Hourly Description: Title : Junior Security Training Consultant with Top Secret/SCI Location: Washington, 20016 Hybrid Contract To Hire Job Description Responsibilities: Handle daily operational tasks for the IT Security Operations Team (Account requests, entry/exit requests, file transfers, decommissioning/sanitization guidance, and provide daily guidance as needed. Support the Government in the fulfillment of all IT security