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Washington, District of Columbia

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Today

A growing cybersecurity firm is seeking a Junior Information System Security Officer to support the security and compliance of enterprise systems. This is a growth oriented role focused on learning RMF processes, supporting audits, and working with system owners and engineers. This is a 6 month contract to hire opportunity. Additional Details Eligible for Public Trust clearance Hybrid schedule with 3 days onsite in Washington DC Responsibilities Support the security point of contact for assigned

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Contract

$45 - $50

Senior Cloud Information System Security Officer

Washington, District of Columbia

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16d 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 (ISSO)

Arlington, Virginia

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Today

Description & Requirements Maximus is seeking a highly skilled Senior Information Systems Security Operator (ISSO) to join our team in Rosslyn, VA. The ideal candidate will be responsible for ensuring the security and integrity of our information systems by implementing and maintaining robust security measures. This includes developing and enforcing security policies, conducting regular security audits, and staying up to date with the latest cybersecurity threats and trends. This position if ful

Full-time

USD 116,500.00 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

Columbia, Maryland

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Today

Mantech seeks a motivated, career driven, and customer-focused Information System Security Officer (ISSO) to join our team in Columbia, Maryland. You will play a critical role in supporting enterprise infrastructure capabilities for a global, mission-focused workforce. As an ISSO, you will work alongside customers, Integrated Product Teams (IPTs), and vendors to support the implementation and compliance of advanced EIT capabilities through Data Center & Compute Services. You will manage cybersec

Full-time

Cybersecurity Systems Engineer, Information System Security Officer (ISSO), 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), 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. Candidates must have

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Full-time

$150,000 - $190,000

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 System Security Engineer

Washington, District of Columbia

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Today

A small cybersecurity firm is seeking an Information Systems Security Engineer to help build and secure Azure based infrastructure and applications. This is a hands on role focused on cloud security, networking, and automation across modern engineering environments. Location: Hybrid Washington DC Responsibilities Secure Azure environments including VNets, firewalls, VPNs, and load balancing Build infrastructure using Terraform Implement security across Kubernetes and containerized workloads Inte

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Contract

$70 - $75

Information System Security Engineer

Washington, District of Columbia

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16d 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 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 - 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

SME Information System Security Officer Lead

Alexandria, 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 SME Information System Security Officer Lead 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 governme

Full-time

USD 131,300.00 - 237,350.00 per year

Information System Security Officer - TS/SCI w/Polyrgaph

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

Information System Security Officer (Engineer Info Assurance 4)

Fairfax, Virginia

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2d ago

{"description": "Requisition Number: 27373 Required Travel: 0 - 10% Employment Type: Full Time/Salaried/Exempt Anticipated Salary Range: $128,887.00 - $184,124.00 Security Clearance: Secret Level of Experience: Senior 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 de

Full-time

USD 128,887.00 - 184,124.00 per year

Information System Security Officer (ISSO)

Arlington, Virginia

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Today

Information System Security Officer (ISSO) Employment Type: Full-Time, Mid-Level Department: Administrative and Logistics Support As a FSR ISSO, you will be embedded on-site with U.S. Government customers to ensure the secure, compliant operation of a production-grade data and application platform used in mission-critical environments. You will serve as the primary authority for system security and compliance-working hands-on with live systems while partnering closely with engineers, operators,

Full-time

USD 120,000.00 - 200,000.00 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

Maryland

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Today

Job Description Who we are: Lockheed Martin is a pioneer in cyber security-partnering, innovating, and building cutting edge solutions. Our talented employees tackle the world's toughest engineering challenges every day, leveraging their unique skills and experiences to design and deliver breakthrough technology. We empower our people to think big, perform with excellence, and create extraordinary products. If you have the passion and courage to dream boldly, join our culture and help build a

Full-time

USD 93,200.00 - 164,450.00 per year

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 - 260,000.00 per year

Information System Security Officer (ISSO) Lead - Clearance Required

Ashburn, Virginia

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8d ago

{"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

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

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