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Hybrid in Rockville, Maryland

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Today

ISSO Security A&A requirement Rockville, MD 12+ Months Client is seeking a highly motivated, flexible, organized, and detail-oriented Lead ISSO / Cyber Security Assessment and Authorization (A&A) Analystto join our dynamic team in Rockville, MD. Required Qualifications Bachelors degree in Cybersecurity, Computer Science, MIS, Information Systems, or related discipline.Masters degree preferred.8+ years of experience supporting federalAssessment & Authorization (A&A)programs.8+ years of experienc

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Cybersecurity Systems Engineer, ISSO, with an active TS/SCI with a Full Scope Polygraph Security Clearance Required, Onsite - G

Maryland

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Today

Cybersecurity Systems Engineer, ISSO, with an active TS/SCI with a Full Scope Polygraph Security Clearance Required, Onsite in Annapolis Junction, MD We are seeking a Cybersecurity Systems Engineer, ISSO for a great opportunity Annapolis Junction, MD. The Cybersecurity Systems Engineer will play a key role in securing complex systems, ensuring compliance with federal cybersecurity frameworks, and protecting sensitive information. A DoD 8570 IAT Level 1 is required. Candidates must have an act

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Full-time

$160,000 - $190,000

Cybersecurity Systems Engineer, Information System Security Officer (ISSO) with an active TS/SCI with a Full Scope Polygraph Security Clearance Required, Onsite - G

Maryland

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Today

Cybersecurity Systems Engineer, Information System Security Officer (ISSO) with an active TS/SCI with a Full Scope Polygraph Security Clearance Required, Onsite in Annapolis Junction, MD As a Cybersecurity Systems Engineer, Information System Security Officer (ISSO), you will play a key role in securing complex systems, ensuring compliance with federal cybersecurity frameworks, and protecting sensitive information. Possession of DoD 8570 IAM Level 1 or higher certification is required. Candida

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Full-time

$150,000 - $190,000

Cyber Security Systems Engineer

Chantilly, Virginia

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Today

Overview We are actively seeking Cyber Security Systems Engineers to support the customer's Division level A&A projects which has several Branches within it. The A&A projects are therefore at various levels within the customer organization depending upon which team is responsible for initial development and accreditation vs. long term Operations and Maintenance support. Bachelor's or Master's Degree are preferred in one or more discipline but can be waived if previous direct ISSE support to thi

Full-time

Lead Cyber Risk Manager (Splunk Engineer)

McLean, Virginia

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Today

Why choose between doing meaningful work and having a fulfilling life? At MITRE, you can have both. That's because MITRE people are committed to tackling our nation's toughest challenges-and we're committed to the long-term well-being of our employees. MITRE is different from most technology companies. We are a not-for-profit corporation chartered to work for the public interest, with no commercial conflicts to influence what we do. The R&D centers we operate for the government create lasting im

Full-time

USD 158,800.00 - 198,500.00 per year

Information System Security Engineer

McLean, Virginia

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Today

Job ID: T2600313 Location: McLean, VA, US Date Posted: 2026-03-05 Category: Cyber Subcategory: Cybersecurity Spec Schedule: Full-Time Shift: Day Job Travel: No Minimum Clearance Required: TS.SCI_wPoly 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 provide information security support. This position is in McLean, VA and requires an active TS/SCI clearance with Polygraph.

Full-time

Information Systems Security Engineer (Subject Matter Expert)

Sterling, Virginia

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Today

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

Full-time

Information System Security Officer (ISSO)

Arlington, Virginia

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Today

Req ID: 40505 Summary Information System Security Officer (ISSO) Arlington, VA Are you ready to enhance your skills and build your career in a rapidly evolving business climate? Are you looking for a career where professional development is embedded in your employers core culture? If so, Chenega Military, Intelligence & Operations Support (MIOS) could be the place for you! Join our team of professionals who support large-scale government operations by leveraging cutting-edge technology and t

Full-time

Cyber Security Project Engineer - TS/SCI with Polygraph

McLean, Virginia

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Today

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: Cyber and IT Risk Management Job Qualifications: Skills: Computer Security, Information System Security, RMF Certifications: None Experience: 10 + years of related experience ship Required: Yes Job Description: Advance your career while impacting our national security in Cyber Secur

Full-time

USD 162,037.00 - 219,227.00 per year

Information Systems Security Manager (ISSM) II

Arlington, Virginia

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Today

The ISSM II's primary function serves as a principal advisor on all matters, technical and otherwise, involving the security of information systems under his/her purview. Primary support will be working within Special Access Programs (SAPs) supporting Department of Defense (DoD) agencies, such as HQ Air Force, Office of the Secretary of Defense, and Military Compartment efforts. The position will provide "day-to-day" support for Collateral, Sensitive Compartmented Information (SCI) and Special A

Full-time

Information System Security Officer (ISSO)

Washington, District of Columbia

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Today

MTSI is seeking a Information System Security Officer (ISSO) who responsible for maintaining the appropriate operational security posture for assigned information systems and ensuring full compliance with Department of Defense (DoD) and Special Access Program (SAP) security requirements. The ISSO will oversee, implement, and manage the system's security controls throughout its life-cycle. Your essential job functions will include but may not be limited to: Assist the ISSM in meeting their dutie

Full-time

Information Systems Security Engineer (ISSE)

McLean, Virginia

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Today

Vantor is forging the new frontier of spatial intelligence, helping decision makers and operators navigate what's happening now and shape what's coming next. Vantor is a place for problem solvers, changemakers, and go-getters-where people are working together to help our customers see the world differently, and in doing so, be seen differently. Come be part of a mission, not just a job, where you can: Shape your own future, build the next big thing, and change the world. This position requires a

Full-time

USD 113,000.00 - 188,000.00 per year

Information System Security Officer

Washington, District of Columbia

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Today

A growing cybersecurity firm in DC is hiring a Junior Information System Security Officer on a 6 month contract to hire basis to support the security and compliance of enterprise systems in federal environments. This role focuses on RMF processes, audit support, and working with system owners and engineers across the SDLC. This is an entry point into federal cybersecurity where you will gain hands on exposure to ATO processes, NIST 800-53 controls, and real world compliance operations while work

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Contract

$45 - $50

Lead, Cyber Intelligence - TS/SCI

Washington, District of Columbia

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Today

L3Harris is dedicated to recruiting and developing high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers' mission and quest for professional growth. L3Harris provides an inclusive, engaging environment designed to empower employees and promote work-life success. Fundamental to our culture is an unwavering focus on values, dedication to our communities, and commitment to excellence in everything we do. L3Harris is the Trus

Full-time

USD 127,500.00 - 236,500.00 per year

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

Cyber Technical Analyst - TS/SCI w/Polygraph

Herndon, Virginia

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Today

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: Cyber and IT Risk Management Job Qualifications: Skills: Assessment & Authorization (A&A), Security Controls, Vulnerability Assessments Certifications: CompTIA Security+ CE | CompTIA - CompTIA Experience: 5 + years of related experience ship Required: Yes Job Description: Own your c

Full-time

USD 136,000.00 - 184,000.00 per year

Cyber Security Engineer

Washington, District of Columbia

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Today

Responsibilities *This is for a potential upcoming opportunity. Position Overview The Cyber Security Engineer (CSE3) provides cybersecurity engineering and Risk Management Framework (RMF) support to the PMS 339 Surface Training Systems Program Office. This role supports cyber planning, cybersecurity engineering, assessment, and compliance activities across Navy training systems and associated networks. The position works closely with program leadership, cybersecurity stakeholders, and technic

Full-time

USD 86,800.00 - 135,625.00 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 Manager

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 Officer

Washington, District of Columbia

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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 d

Full-time

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