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Manassas, Virginia

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Today

Cyber Systems Security Engineer Gromelski and Associates, Inc. (GAI) partners with prime contractors to provide professional services. Key service areas include Engineering Design and Documentation; Software Development and Testing; System Integration, Testing and Evaluation; Lab Management and Field Installation; Integrated Logistics Support, Training Development and Delivery, Multimedia Support, and Technical System Support. Cyber Systems Security Engineer Job Description: As a Cyber System

Full-time

Cyber Systems Security Engineer

Remote or Manassas, Virginia

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Today

Job Description WHAT WE'RE DOING At Lockheed Martin - Rotary and Mission Systems, we're shaping the future of Undersea Warfare (USW) systems. Our mission is to develop innovative technologies that secure our nation's defense. We are integrating state-of-the-art cybersecurity solutions into mission-critical systems to ensure resilience, integrity, and continued superiority under the sea and across domains. THE WORK As a Cyber Systems Security Engineer, you will take a leadership role in enhan

Full-time

USD 101,000.00 - 178,135.00 per year

Cyber Systems Security Engineer Sr

Remote or Poway, California

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Today

Job Description The coolest jobs on this planet or any other are with Lockheed Martin Space. At the dawn of a new space age, Lockheed Martin Space is a pioneer, partner, innovator, and builder. Our amazing people are on a mission to make a difference in the world. Every single day, we use our unique skills and experiences to craft, design, and build solutions to some of the world's hardest engineering problems. Our culture inspires our employees to dream big; perform with excellence; and build

Full-time

USD 101,000.00 - 178,135.00 per year

Cyber Systems Security Engineer

Remote or Orlando, Florida

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Today

Job Description What We're Doing At Lockheed Martin, we are pushing the boundaries of innovation to solve some of the world's most complex challenges. In our Rotary and Mission Systems (RMS) division, we are focused on advancing security and resilience for critical defense systems, with a particular emphasis on F-35 Training & Logistics. Our team is dedicated to applying cutting-edge cybersecurity solutions that safeguard the integrity of systems throughout their lifecycle. We are passionate abo

Full-time

USD 82,900.00 - 146,165.00 per year

Information Systems Security Engineer

Chantilly, Virginia

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Today

Overview We are seeking a highly skilled Information Systems Security Engineer (ISSE) to design, implement, and maintain security controls across enterprise systems and networks. This role ensures systems are compliant with security requirements while supporting mission-critical operations. The ISSE will work closely with system owners, engineers, and cybersecurity teams to integrate security throughout the system lifecycle. What will you do? Design, implement, and maintain security controls f

Full-time

Information Systems Security Engineer

Herndon, Virginia

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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 111,800.00 - 221,800.00 per year

Information Systems Security Engineer (ISSE)

Chantilly, Virginia

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Today

Full-time

Information Systems Security Engineer (ISSE)

Chantilly, Virginia

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Today

Our Partner is looking for an Information Systems Security Engineer to join a fast-paced DEVOPS, Cyber Security, and Engineering support environment. Candidate must have a familiarity with the Assessment and Authorization (A&A) process and the Risk Management Framework (RMF), ability to research, translate, and help communicate risk information to the project teams and sponsors. Work with client stakeholders to provide input and best practice recommendations to inform decision making on security

Full-time

Information Systems Security Engineer Exopert

Chantilly, Virginia

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Today

Leidos is seeking an Information Systems Security Engineer (ISSE) for a technical development program supporting cloud-based applications, and its associated cloud infrastructure located on a highly secure network. The ISSE will work with a large team of developers, system engineers, DevOps engineers, database administrators, and system architects. Core business hours for the team are from 9 AM to 3 PM daily - exceptions outside of those hours for the candidate may be negotiated in consultation

Full-time

USD 131,300.00 - 237,350.00 per year

Cloud Information Systems Security Engineer (ISSE)

Chantilly, Virginia

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Today

Job ID: 2613504 Location: Chantilly, VA, US Date Posted: 2026-06-09 Category: Information Technology Subcategory: Cloud Comp Engr 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 We are seeking a skilled Cloud Information Systems Security Engineer (ISSE) to join our multi-million dollar National Intelligence program supporting the Cloud Investment Multi

Full-time

Information Systems Security Engineer

Reston, Virginia

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Today

Job ID: 2613566 Location: Reston, VA, US Date Posted: 2026-06-10 Category: Cyber Subcategory: Cyber Engineer Schedule: Full-Time Shift: Day Job Travel: Yes - 10% of the time Minimum Clearance Required: TS.SCI Clearance Level Must Be Able to Obtain: None Potential for Remote Work: ORA_HYBRID Description SAIC is seeking a highly motivated, detail-oriented, and experienced Information Systems Security Engineer (ISSE) to join our lead systems integrator team in Arlington, Virginia. The IS

Full-time

Information Systems Security Engineer (ISSE)

Lorton, Virginia

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Today

Our Partner is building a team of highly qualified professionals specializing in Cybersecurity, Cloud, and Systems Engineering to support the development and sustainment of secure enclaves at the edge. You'll deliver enterprise services and cyber network defense capabilities. As a Senior Information System Security Engineer (ISSE), you will provide expert engineering support to ensure the confidentiality, integrity, and availability of mission-critical systems. You will perform technical securit

Full-time

Information Systems Security Engineer (ISSE) - TS/SCI CI Poly

Chantilly, Virginia

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Today

Information Systems Security Engineer TS/SCI CI Poly Department: Government Customer- Chantilly Location: Chantilly, VA MUST HAVE A TS/SCI Poly The Information Systems Security Engineer (ISSE) provides support to the customer in the area of Cyber Security. Daily tasks include, but are not limited to: Provide analytical and technical security recommendations to the customerLead the identification of projects' security requirementParticipate in network design reviews and security testing for t

Full-time

Systems Security Engineer

Arlington, Virginia

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Today

Technomics is a growing employee-owned, decision analytics company that specializes in cost and economic analysis to facilitate better decisions faster. We enable a wide range of clients across the Federal government, from senior level policy makers to program managers, to choose smartly, buy effectively and operate efficiently. We deliver practical, credible and defensible results offering actionable insights by applying data-driven and analytics-based approaches in combination with multidiscip

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 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

Senior Information Systems Security Engineer

Alexandria, Virginia

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Today

Overview: GovCIO is currently hiring for a Senior Information Systems Security Engineer to support cybersecurity, compliance, and risk management activities supporting the U.S. Coast Guard (USCG). This role provides high-level engineering, technical execution, and security management to maintain federal security standards, manage vulnerabilities, and ensure mission-critical systems achieve and retain authorization. This position will be located in Alexandria, VA,?and will be a hybrid position. R

Full-time

Compensation information provided in the description

Sr. Information Systems Security Engineer III (6588)

Tysons, Virginia

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Today

We are seeking a skilled and motivated Sr. Information Systems Security Engineer to join our dynamic team and play a pivotal role in safeguarding our organization's digital assets and sensitive information. The ideal candidate is a dedicated professional with a strong background in cybersecurity, a deep understanding of current threats and vulnerabilities, and the ability to implement robust security measures. As a Cybersecurity Engineer, you will contribute to the design, implementation, and ma

Full-time

USD 156,000.00 - 193,000.00 per year

Mid-Level Systems Security Engineer

Arlington, Virginia

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Today

Full-time

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

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