Information System Security jobs in Fairfax, VA

Chantilly, Virginia

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Today

MANTECH is seeking a motivated, career and customer-oriented Information System Security Officer (ISSO) to join our team in Chantilly, VA. Responsibilities include but are not limited to: Ensures network nodes are operated, maintained, and disposed of in accordance with security policies and practices. Perform Information System Security Officer (ISSO) duties in support of in-house and external customers. Also, perform duties as the alternate Information Systems Security Manager (ISSM). Cyber

Full-time

Information System Security Officer

Springfield, Virginia

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Today

The Digital Sector at Leidos currently has an opening for an Information System Security Officer (MID) supporting the Homeland Enterprise Information Technology Secure Services and Support (HEITS) Contract as part of the Department of Homeland Security (DHS) Insider Threat Program (ITP). This is an exciting opportunity to use your experience to support security accreditation and sustainment activities. The ITP mission is to identify insider threats to the department by utilizing advanced analyt

Full-time

USD 107,900.00 - 195,050.00 per year

Information System Security Officer

Reston, Virginia

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Today

Requisition ID: 3923Standard Title: Required Security Clearance: Top Secret/SCI with CI PolygraphLocation: Reston, VAWork Type: On-SiteShift: FirstReferral Eligibility: EligibleU.S. Citizenship Required? Yes Position Summary Base-2 Solutions is seeking an Information System Security Officer to work with application leads, system administrators, database administrators, developers, and testers to ensure assigned systems are security compliant and achieve or maintain Authority to Operate (ATO). T

Full-time

Information System Security Engineer

Chantilly, Virginia

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Today

Description Markon is building a talent pool of Information System Security Engineers (ISSEs) to support our IC client from Chantilly, VA. The ideal candidate will have in-depth knowledge and experience with secure systems engineering, firewall administration, and NIST/FISMA/RMF standards. Responsibilities Perform Information System Security Engineering (ISSE) activities throughout the system development lifecycle in accordance with NIST SP 800-160, NRO RMF requirements, and applicable cybers

Full-time

USD 150,000.00 - 180,000.00 per year

Information System Security Officer

Chantilly, Virginia

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Today

Why Join Rincon Research Corporation (RRC)? At Rincon Research Corporation, our primary business is innovating, developing, and fielding digital signal processing (DSP) products and services for the United States Defense and Intelligence Communities in support of national security. Rincon Research Corporation seeks a self-starting individual for a full-time security position at its Chantilly, Virginia office. The security position will primarily be focused on providing Information System Secur

Full-time

USD 100,000.00 - 140,000.00 per year

Senior Information System Security Officer

Reston, Virginia

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Today

Requisition ID: 3761Standard Title: Required Security Clearance: Top Secret/SCI with CI PolygraphLocation: Reston, VAWork Type: On-SiteShift: FirstReferral Eligibility: EligibleU.S. Citizenship Required? Yes Position Summary Base-2 Solutions is seeking a Senior Information Systems Security Officer responsible for safeguarding computer networks and systems to ensure data security, integrity, and confidentiality at the highest standards. Essential Duties and Responsibilities Designs, develops, im

Full-time

Information System Security Officer (ISSO)

Chantilly, Virginia

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Today

Dark Wolf is seeking an Information System Security Officer (ISSO) to lead a collaborative team to develop, manage, and maintain information system security Assessment and Authorization (A&A) packages. This could include supporting the planning, executing, and monitoring of the seven step RMF process for our customers. This role is essential in providing significant impacts to the program, helping teams navigate ATO, cATO, and deployment processes efficiently while maintaining high standards of

Full-time

USD 140,000.00 - 160,000.00 per year

Senior Information System Security Engineer

Reston, Virginia

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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: IT Infrastructure and Operations Job Qualifications: Skills: Critical Systems, Security Controls, Security System Certifications: None Experience: 8 + years of related experience ship Required: Yes Job Description: Senior Information System Security Engineer Deliver security related solutions

Full-time

USD 161,500.00 - 218,500.00 per year

Senior Information System Security Engineer

Chantilly, Virginia

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Today

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 transforms the way government uses da

Full-time

Information System Security Engineer

Arlington, Virginia

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Today

Job ID: 2614441 Location: Arlington, VA, US Date Posted: 2026-07-09 Category: Cyber Subcategory: Cyber Engineer Schedule: Full-Time Shift: Day Job Travel: No Minimum Clearance Required: TS.SCI Clearance Level Must Be Able to Obtain: None Potential for Remote Work: ORA_ON_SITE Description SAIC is seeking an Information System Security Engineer (ISSE) to join our team. This position is in Arlington, VA and requires an active Top Secret/SCI clearance. Job responsibilities include, but are

Full-time

USD 120,001.00 - 160,000.00 per year

Principal Information System Security Engineer (ISSE)

Chantilly, Virginia

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Today

Full-time

Information System Security Officer (ISSO)

Lorton, Virginia

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Today

The Defense Sector at Leidos is looking for an Information System 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 d

Full-time

USD 87,100.00 - 157,450.00 per year

Information System Security Manager (ISSM)

Lorton, Virginia

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Today

The Defense Sector at Leidos is looking for an Information System Security Manager (ISSM) 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 ISSM will oversee the cybersecurity posture of DoD information systems, ensuring compliance with DoD security standards and protecting sensitive data. The ISSM will d

Full-time

USD 107,900.00 - 195,050.00 per year

Information System Security Officer

Washington, District of Columbia

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Today

Requisition ID: 3924Standard Title: Required Security Clearance: Top Secret/SCI with CI PolygraphLocation: Washington, DCWork Type: On-SiteShift: FirstReferral Eligibility: EligibleU.S. Citizenship Required? Yes Position Summary Base-2 Solutions is seeking an Information System Security Officer to work with application leads, system administrators, database administrators, developers, and testers to ensure assigned systems are security compliant and achieve or maintain Authority to Operate (ATO

Full-time

Information System Security Officer

Washington, District of Columbia

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Today

Job Posting TitleInformation Security System Officer (ISSO) Job Description Information Security System Officer (ISSO)) REQUIRED: Active Public TrustOnsite - Washington DCStrong background in network security, threat detection, and vulnerability management In-depth knowledge of securing cloud environments (e.g., Microsoft Azure) and services related to big data Proficiency in data encryption, masking, anonymization, and data loss prevention Specific expertise in securing large-scale data syst

Full-time

Senior Information System Security Officer

Tysons, Virginia

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Today

Overview Senior Information System Security Officer Tysons, VA TS/SCI with Poly At Bcore, our strength comes from how we deliver impact to the mission. Whether it's architecting critical IT solutions, producing actionable intelligence, or developing cutting edge technology, we succeed because of the expertise, collaboration, and agility of our teams. Our Mission Services division combines enterprise IT, cloud solutions, DevSecOps, systems engineering, software development, and operational su

Full-time

USD 210,000.00 - 235,000.00 per year

Information System Security Engineering (ISSE)

Alexandria, Virginia

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5d ago

Job Title: Information System Security Engineering (ISSE) Location(s): Quantico, VA Hours: Regular Full-Time Clearance Requirements This position requires a current and active TS/SCI with Poly at the time of application. What you will be doing: The ISSE shall provide CI and HUMINT support ensuring software designs and prototypes are compliant per Supply Chain Risk Management (SCRM) requirements. The minimum skill level is Senior level. Mid-level contractor personnel work independently with

Full-time

Information System Security Engineer

Washington, District of Columbia

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Today

A growing cybersecurity firm is seeking an Information Systems Security Engineer to support the security of federal cloud and enterprise systems. This is a hybrid role based in Washington, DC, focused on cloud security engineering, secure architecture, and integrating security throughout the system lifecycle. Responsibilities Design and implement security controls across Azure, AWS, and enterprise environments. Assess cloud architectures, networking, firewalls, and security configurations. Int

Easy Apply

Contract

$70 - $75

Senior Cloud Information System Security Engineer

Chantilly, Virginia

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Today

MANTECH seeks a motivated, career and customer-oriented Senior Cloud Information System Security Engineer (ISSE) to join our team in Washington, D.C., Chantilly, VA or Quantico, VA. Responsibilities include, but are not limited to: Identify information protection needs for an IS and Network Environment. Define IS and Network Environment security requirements in accordance with applicable cybersecurity requirementsDesign security architectures for use within the IS and Network Environment. Desig

Full-time

Information System Security Engineer

Washington, District of Columbia

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Today

MANTECH seeks a motivated, career and customer-oriented Information System Security Engineer (ISSE) to join our team in Washington, D.C., Chantilly, VA, Quantico, VA, or Huntsville, AL. Responsibilities include, but are not limited to: Identify information protection needs for an IS and Network Environment. Define IS and Network Environment security requirements in accordance with applicable cybersecurity requirementsDesign security architectures for use within the IS and Network Environment. De

Full-time

Information System Security jobs in Fairfax, VA, USA