Information Systems Security Engineer Jobs in District of Columbia

1 - 20 of 3,799 Jobs

Information systems security engineerJob Title - Information systems security engineer

IO AssociatesCompany Name - IO Associates

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Alexandria, Virginia, USA

Full-time

Job Title: Information Systems Security Engineer (ISSE) Job Description: The Information Systems Security Engineer (ISSE) is responsible for designing, implementing, and maintaining secure information systems. This role ensures that cybersecurity requirements are integrated into system architecture and supports the full system development lifecycle. The ISSE collaborates with developers, system administrators, and security teams to apply security controls, conduct risk assessments, and ensure c

Information Systems Security EngineerJob Title - Information Systems Security Engineer

Booz Allen HamiltonCompany Name - Booz Allen Hamilton

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Fort Belvoir, Virginia, USA

Full-time

Job Number: R0221437 Information Systems Security Engineer The Opportunity: Are you looking for an opportunity to share your experience in system security engineering to help our country and assist our clients with critical missions? As a systems security and network security engineer, you can identify the Information System Security Engineering needed to assess vulnerabilities and recommend the best solution and security strategy. We need your experience to lead the development and implementat

Information Systems Security EngineerJob Title - Information Systems Security Engineer

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

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Lorton, Virginia, USA

Full-time

Information Systems Security Engineer The Opportunity: Everyone knows security needs to be "baked in" to a system architecture-you actually know how to bake it in. You can identify and implement ways to harden systems and reduce their attack surface. What if you could use your cyber engineering skills to design and develop secure systems for defense clients? We're looking for an engineer who can create solutions for defense clients that will withstand even the most advanced cyber threats. As a

Principal Information Systems Security Engineer (ISSE)Job Title - Principal Information Systems Security Engineer (ISSE)

LeidosCompany Name - Leidos

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Bethesda, Maryland, USA

Full-time

Leidos has a new and exciting opportunity for Principal Information Systems Security Engineer (ISSE) 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% compa

Information Systems Security EngineerJob Title - Information Systems Security Engineer

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

•

Fort Belvoir, Virginia, USA

Full-time

Information Systems Security Engineer The Opportunity: Are you looking for an opportunity to share your experience in system security engineering to help our country and assist our clients with critical missions? As a systems security and network security engineer, you can identify the Information System Security Engineering needed to assess vulnerabilities and recommend the best solution and security strategy. We need your experience to lead the development and implementation of security solut

Information Systems Security Engineer (ISSE)Job Title - Information Systems Security Engineer (ISSE)

Apex SystemsCompany Name - Apex Systems

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Washington, District of Columbia, USA

Full-time

Job#: 2080503 Job Description: Apex Systems is seeking an Information Systems Security Engineer (ISSE) to support the US Airforce at the Pentagon. If interested, email your resume. Position: ISSE Location: Fully onsite @ the Pentagon Hours: M-F 8 hour shift between 6AM-6PM Job type: Long term contract Certifications: Must have Security + Overview: Seeking high-level IT Professionals to provide cyber security and security engineering services including system security engineering, cybersecuri

Information Systems Security EngineerJob Title - Information Systems Security Engineer

SAICCompany Name - SAIC

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Chantilly, Virginia, USA

Full-time

Job ID: 2508038 Location: CHANTILLY, VA, US Date Posted: 2025-07-30 Category: Cyber Subcategory: Cybersecurity Spec Schedule: Full-time Shift: Day Job Travel: Yes, 10 % of the Time Minimum Clearance Required: TS/SCI with Poly Clearance Level Must Be Able to Obtain: None Potential for Remote Work: No Description SAIC is seeking an experienced Information Systems Security Engineer (ISSE) for a position located in Chantilly, VA. The successful candidate will leverage overall system knowl

Information Systems Security Engineer IIJob Title - Information Systems Security Engineer II

LeidosCompany Name - Leidos

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Annapolis, Maryland, USA

Full-time

The Digital Modernization Sector at Leidos currently has an immediate need for an experienced Information Systems Security Engineer (ISSE) II for a strategic High-Performance Computing (HPC) program. The ISSE II will need to be a self-starter with excellent analytical and problem-solving skills, flexibility, good judgment, and the ability to work within a team to mature the HPC capabilities of our customer. Primary Responsibilities: Assists the Government in creating techniques and tools within

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

Information Systems Security Engineer II (Onsite)Job Title - Information Systems Security Engineer II (Onsite)

RTX CorporationCompany Name - RTX Corporation

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Sterling, Virginia, USA

Full-time

Date Posted: 2025-07-23 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 Information Systems Security Engineer II (Onsite) Do you like video games? Have you ever wondered what it would be like to create yo

Information Systems Security EngineerJob Title - Information Systems Security Engineer

NightwingCompany Name - Nightwing

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Remote or 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

Information Systems Security EngineerJob Title - Information Systems Security Engineer

Cornerstone DefenseCompany Name - Cornerstone Defense

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Annapolis, Maryland, USA

Full-time

Location: Annapolis Junction Type: Contract Job #3709 Title: Information Systems Security Engineer Location: Annapolis Junction, MD Compensation Range: $195 -$215K *Clearance: *Active TS/SCI w/ Polygraph needed to apply * Company Overview: Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government. Realizing early on that our most prized assets are our employees, we continually focus our attention on improving the overall work

Cybersecurity Systems Engineer/Information Systems Security Engineer (ISSE) - TS/SCI w. PolygraphJob Title - Cybersecurity Systems Engineer/Information Systems Security Engineer (ISSE) - TS/SCI w. Polygraph

General DynamicsCompany Name - General Dynamics

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Elkridge, 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: Cyber Security Job Qualifications: Skills: Cybersecurity, Information Security Operations, Information System Security Certifications: None Experience: 10 + years of related experience ship Required: Yes Job Description: *Position is currently located in Elkridge, MD and will relocate to anothe

Information Systems Security ManagerJob Title - Information Systems Security Manager

LeidosCompany Name - Leidos

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Bethesda, Maryland, USA

Full-time

Description Leidos' High Fidelity Simulation Business Area is responsible for architecting and implementing large-scale System of Systems solutions in support of world class simulation, training, and analysis products for the US Navy. You will get to work with state-of-the art technology developing the most sophisticated and "game changing" trainers the US Navy deploys. You will be part of a high powered, collegial, and ethical team, performing vital work that has a major impact within the US Na

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

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

Sr. Information Systems Security OfficerJob Title - Sr. Information Systems Security Officer

Data Intelligence LLC.Company Name - Data Intelligence LLC.

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Vienna, Virginia, USA

Full-time

Data Intelligence, LLC is seeking a skilled Information Systems Security Officer (ISSO) to support a top-tier federal client engaged in national security and counterterrorism operations. This full-time position, based in Vienna, VA, plays a critical role in securing complex IT systems in a high-visibility, mission-driven environment. The selected candidate will work closely with government and contractor stakeholders to ensure compliance, manage risk, and defend against evolving cyber threats. K

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

General DynamicsCompany Name - General Dynamics

•

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 Officer - SeniorJob Title - Information Systems Security Officer - Senior

Electronic Consulting Services, Inc (ECS Federal)Company Name - Electronic Consulting Services, Inc (ECS Federal)

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Fairfax, Virginia, USA

Full-time

Job Description ECS is seeking an Information Systems Security Officer - Senior to work remotely . ECS is looking for an experienced Information Systems Security Officer (ISSO) to join our team supporting multiple platforms to attain and/or maintain their ATOs. The ISSO will be critical in protecting our DHS customers' information systems and ensuring compliance with federal cybersecurity regulations and policies. The ideal candidate will have a strong background in federal cybersecurity, with

Information Systems Security Officer (ISSO) - TS/SCI with PolygraphJob Title - Information Systems Security Officer (ISSO) - TS/SCI with Polygraph

General DynamicsCompany Name - General Dynamics

•

Washington, District of Columbia, 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: Information Security Job Qualifications: Skills: Computer Security, Information Systems, Information System Security Certifications: None Experience: 5 + years of related experience ship Required: Yes Job Description: Transform technology into opportunity as an Information System Security Offic