security engineer Jobs in washington, dc

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Information Systems Security Manager - TS/SCI with Polygraph

General Dynamics Information Technology

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

Information Systems Security Manager - TS/SCI with Polygraph

General Dynamics Information Technology

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 pers

Program Security Officer - Clearance Required

SAIC

Chantilly, Virginia, USA

Full-time

Job ID: 2507076 Location: CHANTILLY, VA, US Date Posted: 2025-07-08 Category: Security Subcategory: Security Schedule: Full-time Shift: Day Job Travel: No Minimum Clearance Required: TS/SCI with Poly Clearance Level Must Be Able to Obtain: TS/SCI with Poly Potential for Remote Work: No Description Who We Are and What We Do: SAIC Security professionals support a collective of over 24,000 employees extending across 20 countries. Our employees are our core, bolstered by 15,000 clearances

Cyber Security Engineer

Leidos

Remote or Hampton, Virginia, USA

Full-time

Leidos Intelligence Group is seeking a Cyber Security Engineer (CSE) to support an enterprise IT program. We are looking for an experienced CSE shall advise and assist the Sponsor and their customers with the Lifecycle Assessment and Authorization (A&A) processes under the Risk Management Framework (RMF) for new and existing information systems, performing the steps involved in the execution of the RMF. Primary Responsibilities: Through these efforts, the Cyber Security Engineer will support th

Information Systems Security Officer (ISSO) 2 - TS/SCI w/Poly

Jacobs

Columbia, Maryland, USA

Full-time

Your Impact: We are seeking an Information Systems Security Officer (ISSO) 2 for a prime contract that is based out of our Columbia, MD office. Responsibilities: Provide support for a program, organization, system, or enclave's information assurance program. Provide support for proposing, coordinating, implementing, and enforcing information systems security policies, standards, and methodologies. Maintain operational security posture for an information system or program to ensure information s

Security Analyst -SOC or NOC- Herndon VA

Connexions Data Inc

Herndon, Virginia, USA

Contract

Security Analyst Onsite in Herndon, VA Duration - 1 year + Clearance Requirement: Minimum Secret PCL. Facility Clearance Requirement: Minimum Secret FCL. Project Description: Security Operations Center (SOC) Services, Incident Response, Infrastructure/Architecture/Engineering Required Skills: 1-3 years of experience working in a Security Operations Center (SOC) or Network Operations Center (NOC) environment performing security event monitoring and analysis. Experience using SIEM and EDR tech

Android Mobile Reverse Engineer

Cymertek Corporation

Chantilly, Virginia, USA

Full-time

Android Mobile Reverse Engineer LOCATION Chantilly, VA 20151 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are seeking a skilled Android Mobile Reverse Engineer to join our team and tackle complex challenges in analyzing, deconstructing, and understanding Android applications and systems. In this role, you will use your technical expertise to uncover vulnerabilities, enhance system security, and contribute to the development of innovative

Information Security Risk Analyst

ASSYST

Rockville, Maryland, USA

Contract

ASSYST is seeking a qualified Information Security Risk Analyst to support our client s Governance, Risk, and Compliance (GRC) program. This role involves identifying, assessing, and documenting risks related to information systems, technologies, vendors, and operational processes ensuring alignment with client security policies and regulatory standards. Key Responsibilities:Conduct structured risk assessments Review internal controls Evaluate third-party security attestations Support vulnerabil

Security Analyst FedRAMP

NextGen IT Services

Herndon, Virginia, USA

Full-time

Join a Critical Mission in Federal Cloud SecurityWe re hiring a Security Analyst to support a leading-edge federal cloud security team as part of a long-term, prime contract. This role is hands-on and high-visibility ideal for a cyber compliance expert who thrives in regulated cloud environments. Why You ll Love This RoleYou ll play a direct role in maintaining FedRAMP Authorization to Operate (ATO) documentation Work with elite ISSO and cloud engineering teams Tackle real-time vulnerabilities

Information Systems Security Officer (ISSO I) (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. RIS I is the delivery of regional IT services to the end user. We offer support of end user devices including desktop, w

Lead Network Engineer - Firewall

Swift

Manassas, Virginia, USA

Full-time

ABOUT US We're the world's leading provider of secure financial messaging services, headquartered in Belgium. We are the way the world moves value - across borders, through cities and overseas. No other organisation can address the scale, precision, pace and trust that this demands, and we're proud to support the global economy. We're unique too. We were established to find a better way for the global financial community to move value - a reliable, safe and secure approach that the community can

IT Security Analyst

Cayuse Shared Services

Arlington, Virginia, USA

Full-time

Overview The IT Security Analyst is responsible for implementing and enforcing information systems security policies, standards, and methodologies and assist with preparation and maintenance of documentation. Assist in the evaluation of security solutions to ensure they meet security requirements for processing classified information. Assist the ISSO on information system security software, hardware, and firmware. Maintain records on workstations, servers, routers, firewalls, intelligent hubs ,

Senior Security Managger

American Association Of Motor Vehicle Admin.

Arlington, Virginia, USA

Full-time

Position Summary: The Security team is organized around three pillars: Security Engineering & Operations, Security Architecture, and Governance, Risk & Compliance (GRC). The Sr. Manager Security is responsible for all the activities carried by the Security Engineering & Operations team. In that capacity, the Sr. Manager works in close partnership with the Manager of GRC and the Architecture team to identify, design, implement, and maintain processes and technologies across the enterprise, to re

Information System Security Officer (ISSO)

Lockheed Martin Corporation

Manassas, Virginia, USA

Full-time

Job Description Lockheed Martin is a Cyber Security pioneer, partner, innovator, and builder. Our amazing employees are on a mission to make a difference in the world and every single day we use our unique skills and experiences to create, design and build solutions to some of the worlds' hardest engineering problems. We encourage our employees to think big, perform with excellence, and build incredible products. If you have the passion and courage to dream big, we invite you to join our cultu

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

Data Security Architect

Tradeweb Markets LLC

Remote or Jersey City, New Jersey, USA

Full-time

Company Description Tradeweb is a global leader in electronic trading for rates, credit, equities, and money markets. As financial markets become increasingly interconnected, our technology enables efficient, multi-asset trading on a global scale. We serve more than 3,000 clients in more than 85 countries, including many of the world?s largest banks, asset managers, hedge funds, insurers, corporations, and wealth managers. Creative collaboration and sharp client focus have helped fuel our organ

Azure Security & IAM Architect

ADDSOURCE

Remote or US

Third Party

Title: Azure Security & IAM Architect Position Type: Full-time Employment/ Contract Location: Remote across USA/ Canada Position Summary We are seeking a highly skilled and experienced Azure Security and Identity and Access Management (IAM) Security Architect to lead the design, implementation, and governance of our enterprise Azure and IAM strategy. The ideal candidate will have deep technical knowledge of Azure Security Architecture, authentication, authorization, identity governance, and priv

Network Engineer

Cymertek Corporation

Annapolis, Maryland, USA

Full-time

Network Engineer LOCATION Annapolis Junction, MD 20701 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are seeking a skilled and proactive Network Engineer to join our team and play a key role in designing, implementing, and maintaining our network infrastructure. In this role, you will ensure the reliability, security, and scalability of our network systems, troubleshoot issues, and optimize performance to meet the needs of a dynamic and gr

Information Systems Security Officer

ManTech

Maryland, USA

Full-time

ManTech seeks a motivated, career and customer-oriented Information Systems Security Officer (ISSO) to join our team in Hanover, MD Responsibilities Included but are not limited to: Ensures that the appropriate operational security posture is maintained for an Information System, or IS.Develop and update System Security Plans (SSP's).Manages and controls changes to the system and assesses the security impact of those changes.Incorporates and/or implements the Risk Management Framework (RMF) dai

Information Systems Security Officer (ISSO) Senior - TS/SCI w/Poly

Jacobs

Fort Meade, Maryland, USA

Full-time

Your Impact: Are you searching for a professional environment that encourages personal and educational development and dedication to the mission? Join a team of security experts who are dedicated to protecting and securing our customers' systems at both the enterprise and program level. Our specialists work closely with others in the RMF process to ensure the highest level of security for every system. Amentum is seeking an Information Systems Security Officer (ISSO) Senior for a prime contrac