Security Architect Jobs in District of Columbia

81 - 100 of 650 Jobs

Information System Security Officer (ISSO) MID-LEVEL (Government)Job Title - Information System Security Officer (ISSO) MID-LEVEL (Government)

AT&T Inc.Company Name - AT&T Inc.

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Chantilly, Virginia, USA

Full-time

Job Description: This position requires office presence of a minimum of 5 days per week and is only located in the location(s) posted. No relocation is offered. 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

Sr. Security EngineerJob Title - Sr. Security Engineer

Navigant ConsultingCompany Name - Navigant Consulting

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Washington, District of Columbia, USA

Full-time

Job Family: Systems Engineering Travel Required: None Clearance Required: Active Top Secret (TS) What You Will Do: Provides the expertise to conduct systems analysis, certification and accreditation, integration of secure products, security test and evaluation, and development of complex information systems to meet information system security requirements. A broad knowledge of the technical information systems security discipline is required. The candidate will be responsible for updating sy

National Security System (NSS) EngineerJob Title - National Security System (NSS) Engineer

Evolver FederalCompany Name - Evolver Federal

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Springfield, Virginia, USA

Full-time

Evolver Federal is seeking a National Security System (NSS) Engineer to support its Federal client in Springfield, VA in analyzing and mitigating risk for a portfolio of National Security Systems. The NSS Engineer will review and analyze system design and security architecture documentation as well as security documentation, including System Security Plans (SSPs) to identify areas of noncompliance with security requirements and security risk, also identifying discrepancies among documentation as

Network Security EngineerJob Title - Network Security Engineer

BOOZ, ALLEN & HAMILTON, INC.Company Name - BOOZ, ALLEN & HAMILTON, INC.

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Washington, District of Columbia, USA

Full-time

Network Security Engineer The Opportunity: Are you looking for an opportunity to share your experience in managing Next Generation Firewalls, security appliances, and Cloud network security controls in support of government agencies. As a systems security and network security engineer, you can identify the tools, systems, and applications needed to assess vulnerabilities and recommend the best solution and security strategy. We need your experience to design, implement, and optimize firewall ru

Security Control AssessorJob Title - Security Control Assessor

GovCIOCompany Name - GovCIO

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Washington, District of Columbia, USA

Full-time

Overview GovCIO is currently hiring for Security Control Assessor with a TS/SCI clearance in Washington, DC (4 days onsite, 1 day remote). Responsibilities Provide an assessment of the severity of weaknesses or deficiencies discovered in the information system and its environment of operation and recommend corrective actions to address identified vulnerabilities Prepare the final security assessment report containing the results and findings from the assessment. Prior to initiating the securi

JAVA + App SecurityJob Title - JAVA + App Security

Diverse Lynx LlcCompany Name - Diverse Lynx Llc

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McLean, Virginia, USA

Full-time

Job Title: JAVA + App Security Location: Mclean, VA ( Day One Onsite ) Position : FULL TIME Skills: Java | Application Security Job Description: Skill: Developer JAVA + App Security Technical expertise in JAVA. Perform regular vulnerability scans and assessments of IT infrastructure and applications. Analyze vulnerability scan results, prioritize risks and coordinate remediation efforts with relevant teams. Collaborate with incident response team to identify root causes and implement preventive

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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McLean, 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: 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

F-35 Air Systems Information Assurance Security Engineer Deputy Lead | Active TS/SCI clearanceJob Title - F-35 Air Systems Information Assurance Security Engineer Deputy Lead | Active TS/SCI clearance

General DynamicsCompany Name - General Dynamics

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Arlington, Virginia, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret Clearance Level Must Be Able to Obtain: Top Secret/SCI Public Trust/Other Required: None Job Family: Information Security Job Qualifications: Skills: Air Systems, Information Security, Information Systems Development, Weapons Systems Certifications: None Experience: 10 + years of related experience ship Required: Yes Job Description: Transform technology into opportunity as an Air Systems Information Assuranc

Information System Security Officer - MidJob Title - Information System Security Officer - Mid

JacobsCompany Name - Jacobs

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Washington, District of Columbia, USA

Full-time

As a Top Secret cleared Information Systems Security Officer you will be working in an organization that's mission is to develop and operate the best possible software for critical national security enterprise applications. This organization leverages SCRUM and SAFE Agile software development methodology and strong Dev Ops practices. You will be responsible for technical information assurance engineering efforts with network/server scanning, patching, mitigation, and compliance cross-checking o

Information Security Systems OfficerJob Title - Information Security Systems Officer

LeidosCompany Name - Leidos

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Camp Springs, Maryland, USA

Full-time

Leidos has a career opportunity for an ISSO to support the Air Force National Capital Region IT Services program. Job Summary: The AFNCR IT Services program provides support services for information systems for Headquarters Air Force (HAF), Air Force District of Washington (AFDW), Office of the Secretary of Defense (OSD), Joint Chiefs of Staff, and other Air Force activities within the AFNCR, missions to include the Pentagon, Joint Base Andrews (JBA), Joint Base Anacostia-Bolling (JBAB), and o

W2 Role || Security EngineerIn Person InterviewJob Title - W2 Role || Security EngineerIn Person Interview

V.L.S. Systems, IncCompany Name - V.L.S. Systems, Inc

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Manassas, Virginia, USA

Contract

Role: Security EngineerLocation: McLean, VA-Hybrid (2-3 days on site/Week)Duration: 12+ Months F2f interview required Must be W2 of VLS, 7.5hrs per day of work Description : RL5 Cloud Security expertise for GS/ASMProject name : Security Detection & Response Enhancements Cloud Security services--Senior (min 6-9 years exp.) Infrastructure as Code--Professional (min 4-5 years exp.) Security vulnerability and configuration scan tools--Professional (min 4-5 years exp.)

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

Evolver FederalCompany Name - Evolver Federal

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Springfield, Virginia, USA

Full-time

Evolver Federal is seeking an Information System Security Officer (ISSO) to support its Federal client in Springfield, VA in managing all aspects of security for assigned National Security Systems (NSS) to ensure the data stored, processed, and transmitted by the assigned system(s) is protected in accordance with the appropriate Agency policies and NIST 800-53 security controls. The successful candidate will have previous experience as an ISSO and Security Control Assessor having documented the

AWS Security Engineer at DC: req: public trust clearanceJob Title - AWS Security Engineer at DC: req: public trust clearance

isolve technology incCompany Name - isolve technology inc

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Washington, District of Columbia, USA

Third Party, Contract

AWS Security Engineer Location: Washington, DC(Onsite) Client: federal government Required: public trust clearance Design and implement security controls in AWS environments using services such as IAM, KMS, CloudTrail, Security Hub and Config. - Lead or support security authorization efforts (FedRAMP, FISMA) by preparing and maintain System Security Plans (SSPs), POA&Ms, Contingency Plans, and other artifacts. - Conduct vulnerability scans, security assessments, and risk analyses using tools l

Lead Security EngineerJob Title - Lead Security Engineer

SAICCompany Name - SAIC

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Washington, District of Columbia, USA

Full-time

Job ID: 2506810 Location: WASHINGTON, DC, US Date Posted: 2025-06-25 Category: Cyber Subcategory: Cyber Engineer Schedule: Full-time Shift: Day Job Travel: No Minimum Clearance Required: None Clearance Level Must Be Able to Obtain: Public Trust Potential for Remote Work: No Description SAIC seeks a Lead Security Engineer to assist the Department of Transportation's Cybersecurity mission by supporting the implementation of IPv6 networking capabilities by joining a dedicated team of cyb

Security Control AssessorJob Title - Security Control Assessor

Apex SystemsCompany Name - Apex Systems

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Alexandria, Virginia, USA

Full-time

Job#: 2080003 Job Description: Apex Systems is seeking a Security Control Assessor to support the US Coast Guard in Alexandria, VA. If interested email your resume. #clearance Position: Security Control Accessor Location: Fully onsite in Alexandria, VA Hours: Regular Business hours Compensation: $130,000-150,000yr What You'll Get to Do As the Security Control Assessor, you will be a member of a team in our Service Assurance organization responsible for managing all Risk Management Framework

Information System Security Officer - SeniorJob Title - Information System Security Officer - Senior

JacobsCompany Name - Jacobs

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Washington, District of Columbia, USA

Full-time

Senior Network Security EngineerJob Title - Senior Network Security Engineer

Tandym TechCompany Name - Tandym Tech

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Vienna, Virginia, USA

Third Party, Contract

Tandym is seeking a highly motivated Senior Network Security Engineer to provide support remotely for a top Financial Services client. This is a long-term contract, 100% REMOTE. Responsibilities: Manage and maintain Palo Alto firewall infrastructure, including patching, upgrades, and configuration. Convert traditional Layer 4 firewall rules to Layer 7 using App-ID and User-ID. Create and manage custom App-ID definitions as needed for unique applications. Ensure performance, availability, and c

Cyber Security Information Systems Security OfficerJob Title - Cyber Security Information Systems Security Officer

Optima Global SolutionsCompany Name - Optima Global Solutions

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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

Security AnalystJob Title - Security Analyst

Motion Recruitment Partners, LLCCompany Name - Motion Recruitment Partners, LLC

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Washington, District of Columbia, USA

Full-time

A growing cybersecurity consulting firm is seeking a Security Analyst to join their expanding team. This is a 6-month contract-to-hire opportunity requiring 3 days onsite in Washington, D.C. Candidates must be able to successfully obtain Public Trust Clearance. You will lead threat detection, incident response, and hunt operations for a high-visibility environment. This role offers the opportunity to drive advanced detection engineering efforts and work directly with executive leadership on ente

Security EngineerJob Title - Security Engineer

LeidosCompany Name - Leidos

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Alexandria, Virginia, USA

Full-time

Description Leidos is seeking a Security Engineer to support the execution of strategic, operational, and organizational PPSM objectives. This position can be based out of any of our three locations - Alexandria, VA, Fort Meade, MD, or Chambersburg, PA. The position is primarily on-site, but partial telework may be available at the discretion of our customer and program management. Responsibilities: Ensure compliance with DoD-approved standards, architectures, and guidelines (e.g., DISN) and c