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Information System Security Officer, Classified Cybersecurity

Herndon, Virginia

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Today

Job Description This position requires TS/SCI clearance with the ability to obtain a CI polygraph. This position will perform duties as an Information Systems Security Officer at the Lockheed Martin Space facility in Herndon, Virginia. Candidates will typically have a Bachelor's Degree and 1+ years of experience. The work that ISSOs do can be summarized in this way: - You will have a direct impact to national security, ultimately contributing to protecting your loved ones - this is dynamic, g

Full-time

USD 76,500.00 - 134,895.00 per year

Information System Security Officer

Chantilly, Virginia

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Today

Leidos' Corporate Information Security Office (CISO), reporting through the Digital Modernization Sector, is seeking an Information System Security Officer (ISSO) to support our Chantilly, VA office. The Information System Security Officer (ISSO) is the primary Information Assurance (IA) support responsible for the management and technical administration of the Information System (IS) in accordance with internal and external security requirements. You will be responsible for establishing and ma

Full-time

USD 107,900.00 - 195,050.00 per year

Information System Security Officer (ISSO) Lead - Clearance Required

Ashburn, Virginia

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Yesterday

{"description": " Overview: Cydecor is a premier Federal Government solutions provider, delivering differentiated innovations in mission systems and business platforms. We leverage leading-edge secure systems and software development, backed by industry-leading subject matter expertise, and business intelligence to enable decision-support and remain ahead of ever-evolving national security challenges. Our success rests squarely on three bedrock principles: People, our center of gravity; Mission,

Full-time

Information System Security Officer (ISSO), Senior (On-Prem & Cloud)

Chantilly, Virginia

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Today

Overview AMERICAN SYSTEMS is seeking a Senior Information System Security Officer (ISSO) to manage RMF execution, authorization, and continuous monitoring for hybrid on-premises and cloud systems supporting classified government missions in Chantilly, VA. This role is ideally suited for a security leader who is detail-oriented, highly organized, and confident guiding system owners and engineers through RMF execution, authorization decisions, and ongoing compliance in classified environments.

Full-time

USD 155,700.00 per year

Information System Security Officer - TS/SCI w/Poly

Bethesda, Maryland

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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: None Public Trust/Other Required: None Job Family: Cyber and IT Risk Management Job Qualifications: Skills: Cyber Defense, Cybersecurity Risk Management, Security Risk Certifications: None Experience: 8 + years of related experience ship Required: Yes Job Description: Seize your opportunity to make a personal impact as an ISSO supporting customer activit

Full-time

USD 158,855.00 - 214,921.00 per year

Senior Cloud Information System Security Officer

Washington, District of Columbia

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18d ago

MANTECH seeks a motivated, career and customer-oriented Senior Cloud Information System Security Officer (ISSO) to join our team in Washington, D.C., Chantilly, VA or Quantico, VA.. Responsibilities include, but are not limited to: 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 security personnelEnsure that selected security c

Full-time

Information System Security Officer - TS/SCI w/Polygraph

Bethesda, Maryland

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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: None Public Trust/Other Required: None Job Family: Cyber and IT Risk Management Job Qualifications: Skills: Cybersecurity, Information Security, Security Risk Management Certifications: None Experience: 8 + years of related experience ship Required: Yes Job Description: Seize your opportunity to make a personal impact as an Information Systems Security O

Full-time

USD 158,626.00 - 214,611.00 per year

Audit & Information System Security Officer (ISSO)

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 86,400.00 - 176,200.00 per year

FSR Information System Security Officer (ISSO)

Washington, District of Columbia

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Today

RESPONSIBILITIES: Kforce has a client that is seeking a FSR Information System Security Officer (ISSO) in Washington, DC. Overview: We are seeking dedicated and motivated individuals with Systems Administration, Software Development, or Systems Engineering backgrounds to join our team as an Information System Security Officer (ISSO). You will collaborate with other Palantir engineers to ensure security policies and settings are in place, build standardized security documentation, and generate e

Contract

$80 - $90 hourly

Information System Security Officer (ISSO)

Suitland-Silver Hill, Maryland

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Today

Leidos is seeking an Information System Security Officer (ISSO) with an active DoD TS/SCI clearance to join our team in Suitland, MD. In this role, you will provide your Information Assurance and Systems Accreditation experience to support the customerand play a vital role in developing solutions that impact mission goals and objectives. In this role, you'll have the freedom to work individually and the opportunity to resolve highly complex problems using a significant application of technical k

Full-time

USD 107,900.00 - 195,050.00 per year

Information System Security Officer (ISSO)

Remote

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Today

Job Family: Cyber Consulting Travel Required: Up to 10% Clearance Required: Active Secret What You Will Do: Design and implement technical security controls aligned with NIST RMF, NIST SP 800-53, and agency security architectures.Collaborate with system, network, and cloud architects to embed security requirements into system designs and architectures.Evaluate technical solutions for compliance with federal security standards and best practices.Support security testing, validation, and remedi

Full-time

USD 113,000.00 - 188,000.00 per year

Information Systems Security Officer (ISSO)

Fort Washington, Maryland

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Today

Full-time

USD 118,900.00 - 175,100.00 per year

Information Systems Security Officer

Ashburn, Virginia

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Today

Leidos is seeking an ISSO Lead to support a wide range of systems engineering, administration, and Cyber security & regulatory compliance services necessary to maintain and secure OPR information technology networks used in the detection and investigations of cybercrimes and CBP policy violations. Primary Responsibilities: The candidate shall provide a qualified individual(s) to serve as an Information Systems Security Officer (ISSO) providing cyber security oversight for several major OPR app

Full-time

USD 107,900.00 - 195,050.00 per year

Information Systems Security Officer/Engineer (ISSO/ISSE)

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 Systems Security Officer (ISSO)

Springfield, Virginia

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Yesterday

{"description": "Requisition Number: 26720 Required Travel: 0 - 10% Employment Type: Full Time/Salaried/Exempt Anticipated Salary Range: $102,831.00 - $154,000.00 Security Clearance: TS/SCI Level of Experience: Mid This opportunity resides with Warfare Systems (WS) , a business group within HII's Mission Technologies division. Warfare Systems comprises cyber and mission IT; electronic warfare; and C5ISR systems. HII works within our nation's intelligence and cyber operations communities to defen

Full-time

USD 102,831.00 - 154,000.00 per year

Information Systems Security Officer - Senior Consultant

Washington, District of Columbia

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Today

Job Family: Cyber Consulting Travel Required: Up to 10% Clearance Required: Active Top Secret SCI (TS/SCI) As a Senior Consultant in Guidehouse's cyber practice, you will lead and execute core security compliance and RMF activities for classified federal systems. You will ensure systems maintain an appropriate security posture, support continuous monitoring, and assist with security assessments and incident coordination. You'll combine hands on ISSO experience with client-facing consulting: t

Full-time

USD 113,000.00 - 188,000.00 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

Senior Information System Security Engineer

Arlington, Virginia

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Today

This Department of War enterprise data and analytics program delivers mission-critical capabilities that enable leaders across the Department to make faster, better-informed decisions using trusted data at scale. Leidos Digital Modernization sector is seeking an experienced Senior Information System Security Engineer to support the delivery, enhancement, and adoption of enterprise data and analytics products used across multiple DoD organizations. In this role, you will work alongside governmen

Full-time

USD 107,900.00 - 195,050.00 per year

Information System Security Engineer

Washington, District of Columbia

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18d ago

MANTECH seeks a motivated, career and customer-oriented Information System Security Engineer (ISSE) to join our team in Washington, D.C.. 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. Design and develop cybersecurity-enabled products

Full-time

Information Systems Security Officer

Gaithersburg, Maryland

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Today

Overview AMERICAN SYSTEMS is an employee-owned federal government contractor supporting national priority programs through our strategic solutions in the areas of Information Technology, Test & Evaluation, Program Mission Support, Engineering & Analysis, and Training. Responsibilities Perform duties and responsibilities of an ISSO for networks when required.Support in the duties and responsibilities of managing the Common Configuration Control Board (CCB) process.Monitor and analyze security

Full-time

USD 108,100.00 per year

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