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Arlington, Virginia

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Today

Leidos is currently seeking an ISSM to join our team in Arlington, VA. This position is fully on-site and requires an active TS/SCI for consideration. The Information System Security Manager (ISSM) will work with a team to identify, assess, and prioritize risks to DISA and DoD mission partners, as well as develop risk mitigation strategies to increase the security posture of systems, networks, programs, and data in the face of internal and external threats. This role involves implementing and a

Full-time

USD 107,900.00 - 195,050.00 per year

Information Systems Security Specialist

Washington, District of Columbia

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Today

Overview VTG is seeking a Information System Security Specialist to support the Navy located at the Washington Navy Yard. Position is 100% onsite. What will you do? The Information System Security Specialist is responsible for supporting all aspects of a Program Information Assurance (IA) processes tailored to include minimum qualification standards, fundamental awareness and familiarity to demonstrated competency with specific experience in Cyber Security, Engineering, Test & Evaluation, (T&E

Full-time

USD 80,000.00 - 120,000.00 per year

Information Systems Security Officers (4665)

Washington, District of Columbia

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Today

Law Enforcement Agency CIO's organization is looking to provide Information Security as a Service and needs ISSO to support cybersecurity stakeholders This position is on site in Washington, DC and requires an active Top-Secret clearance. Essential Duties & Responsibilities: Ensure the day-to-day implementation, oversight, continuous monitoring, and maintenance of the security configuration, practices, and procedures for each ISProvide liaison support between the system owner and other IS securi

Full-time

USD 114,600.00 - 192,500.00 per year

Information Systems Security Engineer (ISSE)

Washington, District of Columbia

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Today

MTSI is seeking a Information Systems Security Engineer (ISSE) whose primary function will be to serve as the Program Office's information security professional responsible for managing all aspects of an organization's information security system, including researching, testing, training, and implementing programs designed to safeguard sensitive information from possible compromise. Your essential job functions will include but may not be limited to: The ISSE works with System Engineering teams

Full-time

Sr. Information Systems Security Specialist

Washington, District of Columbia

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Today

Overview VTG is seeking a Sr. Information System Security Specialist to support the Navy located at the Washington Navy Yard. Position is 100% onsite. What will you do? The Information System Security Specialist is responsible for supporting all aspects of a Program Information Assurance (IA) processes tailored to include minimum qualification standards, fundamental awareness and familiarity to demonstrated competency with specific experience in Cyber Security, Engineering, Test & Evaluation,

Full-time

USD 80,000.00 - 130,000.00 per year

Information Systems Security Engineer SME

Washington, District of Columbia

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Today

Job Description ECS is seeking an experienced Information Systems Security Engineer SME to support a mission-critical federal cybersecurity programs. The selected candidate will serve as a senior cybersecurity engineering expert supporting Security Assessment and Authorization, Risk Management Framework execution, cloud security, technical control implementation, assessment readiness, continuous monitoring, vulnerability remediation, audit support, and risk-informed authorization activities. Thi

Full-time

Information Systems Security Engineer (ISSE)

Washington, District of Columbia

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Today

Kadiak, LLC, a Koniag Government Services company, is seeking an Information Systems Security Engineer (ISSE) with Top Secret security clearance to support Kadiak in Washington, DC. This position is for a Future New Business Opportunity. We offer competitive compensation and an extraordinary benefits package including health, dental and vision insurance, 401K with company matching, flexible spending accounts, paid holidays, three weeks paid time off, and more. Essential Functions, Responsibilit

Full-time

USD 135,000.00 per year

Information Systems Security Officer - Senior

Washington, District of Columbia

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Today

At Accenture Federal Services, nothing matters more than helping the US federal government make the nation stronger and safer and life better for people. Our 13,000+ people are united in a shared purpose to pursue the limitless potential of technology and ingenuity for clients across defense, national security, public safety, civilian, and military health organizations. Join Accenture Federal Services, a technology company within global Accenture. Recognized as a Glassdoor Top 100 Best Place to

Full-time

USD 100,200.00 - 203,400.00 per year

Information Systems Security Engineer (ISSE)

Arlington, Virginia

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Today

Overview AMERICAN SYSTEMS, a 100% employee-owned federal contractor, is seeking a highly experienced Information Systems Security Engineer (ISSE) to support a Special Access Program (SAP) in Arlington, VA. This role is suited for an experienced security engineer who combines deep JSIG and RMF expertise with hands-on security assessment experience across both Linux and Windows systems in highly restricted environments. The ideal candidate understands security controls at an engineering level an

Full-time

USD 155,000.00 per year

Cleared Information Systems Security Engineer (4659)

Washington, District of Columbia

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Today

SMX is hiring a number of Information Systems Security Engineer to support a Law Enforcement OCIO's organization to provide Information Security as a Service support across all cybersecurity stakeholders. This position is on site in Washington, DC and requires an active Top-Secret clearance. Essential Duties & Responsibilities: Identify information protection needs for an IS and Network EnvironmentDefine IS and Network Environment security requirements in accordance with applicable cybersecurity

Full-time

USD 114,600.00 - 192,500.00 per year

Senior Information Systems Security Officer

Springfield, Virginia

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Today

Job ID: 2613010 Location: Springfield, VA, US Date Posted: 2026-05-27 Category: Cyber Subcategory: Cyber Engineer Schedule: Full-Time Shift: Day Job Travel: Yes - 10% of the time Minimum Clearance Required: Top_Secret Clearance Level Must Be Able to Obtain: TS/SCI Potential for Remote Work: ORA_ON_SITE Description SAIC is seeking a motivated and skilled Senior Information Systems Security Officer (ISSO) to support cybersecurity and compliance activities for mission-critical IT systems

Full-time

Information Systems Security Officer (ISSO) II

Washington, District of Columbia

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Today

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 and IT Risk Management Job Qualifications: Skills: Information Security, Information Security Management, Information System Security Certifications: None Experience: 2 + years of related experience ship Required: Yes Job Description: The ISSO is responsible for ensuring the appropriate o

Full-time

USD 97,240.00 - 131,560.00 per year

Information Systems Security Officer (ISSO)

Lorton, Virginia

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Today

The Defense Sector at Leidos is looking for an Information Systems Security Officer (ISSO) to support a fast-paced program with the Air Force Life Cycle Management Center. This role involves supporting the delivery of comprehensive IT and support services to ensure mission success while adhering to DoD standards and regulations. The ISSO will oversee the cybersecurity posture of DoD information systems, ensuring compliance with DoD security standards and protecting sensitive data. The ISSO will

Full-time

USD 87,100.00 - 157,450.00 per year

Information Systems Security Officer, AD&S

Washington, District of Columbia

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Today

Anduril Industries is a defense technology company with a mission to transform U.S. and allied military capabilities with advanced technology. By bringing the expertise, technology, and business model of the 21st century's most innovative companies to the defense industry, Anduril is changing how military systems are designed, built and sold. Anduril's family of systems is powered by Lattice OS, an AI-powered operating system that turns thousands of data streams into a realtime, 3D command and c

Full-time

USD 113,000.00 - 149,000.00 per year

Information Systems Security Officer - Springfield VA

Springfield, Virginia

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21d ago

Job Description ATTENTION MILITARY AFFILIATED JOB SEEKERS - Our organization works with partner companies to source qualified talent for their open roles. The following position is available to Veterans, Transitioning Military, National Guard and Reserve Members, Military Spouses, Wounded Warriors, and their Caregivers. If you have the required skill set, education requirements, and experience, please click the submit button and follow the next steps. Unless specifically stated otherwise, this

Full-time

USD 118,095.00 - 200,762.00 per year

Information Systems Security Engineer

Herndon, Virginia

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Today

Full-time

USD 111,800.00 - 221,800.00 per year

Information Systems Security Officer - TS/SCI Required

Washington, District of Columbia

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Today

About the Role We are hiring an Information Systems Security Officer (ISSO) to support highly technical, mission-critical programs within the federal space. This is not a traditional, documentation-heavy ISSO role. The position is more technical and customer-facing, focused on understanding how systems work and explaining how they meet security requirements. You will work closely with engineers and government stakeholders to support secure deployment of modern platforms, including cloud and cont

Full-time

USD 70.00 - 82.00 per hour

Information Systems Security Engineer (ISSE) SME

Bethesda, Maryland

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Today

Leidos has an exciting opportunity for Information Systems Security Engineer (ISSE) SME in our Intel Security Sector's Analysis Solutions Business Area. 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% company match and immediate vesti

Full-time

USD 154,050.00 - 278,475.00 per year

Information Systems Security Engineer (ISSE)

Lorton, Virginia

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Today

We are seeking Information System Security Engineers (ISSEs) to join a high-performing team of experts in Cybersecurity, Cloud, and Systems Engineering. This team will support the development and sustainment of secure enclaves, providing enterprise services and cyber network defense capabilities. As an ISSE, you will be responsible for conducting security assessments, engineering secure solutions, automating defensive cyber activities, and advising leadership on risks and mitigation strategies.

Full-time

Information Systems Security Officer

Chantilly, Virginia

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Today

Overview TUNUVA Technologies (a wholly owned subsidiary of VTG) seeks to hire an Information Systems Security Officer (ISSO) in Chantilly, VA to monitor and maintain systems security on operational systems such as malicious code eradication, configuration management, assessment and authorization of current and future systems, as well as to review and revise systems security documentation on proposed systems. ISSOs shall know how to implement common information system security practices, policie

Full-time

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