470 information systems security engineer jobs found

Description SAIC is seeking an expert-level Senior Principal Information Systems Security Engineer (ISSE) to support DoD enterprise IT and network modernization programs in one of the following locations and is required to be local: the National Capital Region, San Diego, CA, Norfolk, VA, or Charleston, SC. This role serves as a senior principal individual contributor and subject matter expert responsible for leading the development, management, and authorization of Risk Management Framework (RMF) packages across both unclassified and classified environments in direct support of DoD enterprise IT and digital transformation missions. The ideal candidate is a recognized expert in DoD RMF processes with deep hands-on experience navigating Navy program office authorization workflows, eMASS system management, and ATO package development. This position requires direct engagement with senior government leadership, program offices, engineering teams, and authorizing officials...

Description SAIC is seeking an expert-level Senior Principal Information Systems Security Engineer (ISSE) to support DoD enterprise IT and network modernization programs in one of the following locations and is required to be local: the National Capital Region, San Diego, CA, Norfolk, VA, or Charleston, SC. This role serves as a senior principal individual contributor and subject matter expert responsible for leading the development, management, and authorization of Risk Management Framework (RMF) packages across both unclassified and classified environments in direct support of DoD enterprise IT and digital transformation missions. The ideal candidate is a recognized expert in DoD RMF processes with deep hands-on experience navigating Navy program office authorization workflows, eMASS system management, and ATO package development. This position requires direct engagement with senior government leadership, program offices, engineering teams, and authorizing officials...

Description SAIC is seeking an expert-level Senior Principal Information Systems Security Engineer (ISSE) to support DoD enterprise IT and network modernization programs in one of the following locations and is required to be local: the National Capital Region, San Diego, CA, Norfolk, VA, or Charleston, SC. This role serves as a senior principal individual contributor and subject matter expert responsible for leading the development, management, and authorization of Risk Management Framework (RMF) packages across both unclassified and classified environments in direct support of DoD enterprise IT and digital transformation missions. The ideal candidate is a recognized expert in DoD RMF processes with deep hands-on experience navigating Navy program office authorization workflows, eMASS system management, and ATO package development. This position requires direct engagement with senior government leadership, program offices, engineering teams, and authorizing officials...

Description SAIC is seeking an experienced Information Systems Security Engineer (ISSE) to support the MAJESTIC Joint Program Office (JPO) by performing advanced security engineering and architectural design for mission-critical IT systems. In this role, the ISSE will lead the design, development, implementation, and validation of security architectures , ensuring all security controls are integrated into system engineering processes across the full lifecycle-from requirements development to deployment and sustainment. The ISSE will collaborate closely with program leadership, system owners, developers, ISSMs/ISSOs, enterprise architects, and cybersecurity operations teams to ensure systems meet federal security requirements, including NIST 800-53, RMF, and customer-specific A&A frameworks such as ICD 503 and DAAPM. This role requires on-site support in Springfield, VA . Key Responsibilities: Design and engineer secure system architectures, integrating...

Overview LMI, a consultancy dedicated to supporting government transformation and readiness, is seeking a skilled Information Systems Security Engineer (ISSE) to support the Naval Autonomous Data Collection System (NADACS) portfolio. Utilizing a blend of digital solutions, analytics, and security expertise, this role focuses on advancing mission success for the U.S. Army by providing robust system security engineering and cyber compliance solutions. Join LMI’s team and contribute to the secure deployment and modernization of NADACS—pivotal to U.S. Army operations and logistics. This role offers the chance to shape security processes, influence system compliance, and enable mission success through advanced cybersecurity solutions. Extensive collaboration and technical expertise are key for a security-first approach in protecting critical DoD systems. This position requires a  Secret clearance .   LMI is a new breed of digital solutions provider dedicated to...

Description SAIC is seeking two experienced Information Systems Security Engineers (ISSEs) to support the MAJESTIC Joint Program Office (JPO) -one serving as a traditional enterprise ISSE and one serving as a specialized Edge ISSE focused on tactical-edge environments. Together, these engineers will lead advanced security engineering and architecture efforts for MAJESTIC's mission-critical systems, including those operating in distributed, low-bandwidth, intermittently connected, and operationally constrained mission scenarios. The Enterprise ISSE will design, develop, implement, and validate security architectures for MAJESTIC's core systems and enterprise environments, ensuring security controls are integrated throughout the full engineering lifecycle-from requirements and high-level architecture through deployment, sustainment, modernization, and ATO maintenance. The Edge ISSE , leveraging the job functions described in ISSE_Edge, will engineer cybersecurity...

Responsibilities: Information System Security Professionals at NSA play a vital role in in the architecting, designing, operating, defending, and maintaining secure state of the art Information Technology (IT) systems executing NSA's SIGINT and Cybersecurity missions. NSA is advancing technology to deliver mission outcomes. As such, Cybersecurity Professionals have the opportunity to work across a broad set of technologies including commercial cloud fabrics, artificial intelligence, high performance computing, and advanced cryptographic systems. These personnel are involved in the full life cycle of systems: designing, maintaining and monitoring the systems so they can be protected from the most sophisticated nation-state adversaries. Some examples of tasks include: - Design system/network architectures to enforce levels of confidentiality, integrity and availability - Ability to implement systems engineering principles/methodology - Define and manage remediation plans across...

Overview LMI is seeking a skilled Senior Cybersecurity Information Systems Security Engineer (ISSE) to support US Army  Capability Program Executive (CPE) Gound   office  at Ft. Belvoir, Virginia. The ISSE will drive efforts that support software and hardware cybersecurity Risk Management Framework (RMF) Authority to Operate (ATO).     LMI is a new breed of digital solutions provider dedicated to accelerating government impact with innovation and speed. Investing in technology and prototypes ahead of need, LMI brings commercial-grade platforms and mission-ready AI to federal agencies at commercial speed.   Leveraging our mission-ready technology and solutions, proven expertise in federal deployment, and strategic relationships, we enhance outcomes for the government, efficiently and effectively. With a focus on agility and collaboration, LMI serves the defense, space, healthcare, and energy sectors—helping agencies navigate complexity and...

Description SAIC seeks an Information System Security Engineer (ISSE) to support the U.S. Space Force, Space Systems Command, in the operational maintenance and sustainment of ground-based radars critical to U.S. and Allied strategic missile surveillance, warning, defense, and space surveillance missions. Reporting to the SAIC Program Manager and Chief Engineer, this engineer plans, develops, and delivers PARCS and UEWR assessments of systems and networks to identify deviations from acceptable configurations, enclave policy, or local policy, and designs and implements remediation solutions. This position is located in Colorado Springs, Colorado. Job Duties Build security architectures, integrate new architectural features into existing infrastructures, design cybersecurity architectural artifacts, and provide engineering recommendations to resolve integration and testing issues. Develop cyber requirements to DoD 8570/8140 standards. Perform vulnerability assessments and...

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 . This Customer's office is the force of choice for the development of global infrastructure and delivery of solutions that drive influence operations. If you have specialized skills in information security and tech ops, this is the role for you. Job responsibilities include, but are not limited to: Support the Lifecycle Assessment and Authorization (A&A) process. Develop a Systems Security Plan (SSP). Assist and maintain a formal Information Security Program that includes recommendations on continuous improvement of the processes and architectures. Maintain and make accessible documentation of all operational and business process activities in the form of Standard Operating Procedures (SOPs). Monitor and track projects in the A&A queue....

Description SAIC is seeking a GEOINT Ground AMTI Systems Engineer to join SAIC's Prime SETA program in Chantilly, VA supporting the NRO's Ground Enterprise Directorate (GED). As the GEOINT Ground AMTI Systems Engineer you will interact daily with senior government and Program staff to analyze new concepts and technologies; support the definition and baselining of new capabilities and/or enhancements; advise on all aspects of System Engineering analysis (architecture, requirements, Concept of Operations (CONOPs), interfaces, schedule, and dependency identification); test support, and provide Readiness Event support. Responsibilities to include Collaborate daily with development contractors, government program personnel, and customers on systems engineering and acquisition functions for GEOINT collection, mission management, and mission processing. Provide oversight and monitor software development and integration activities, ensuring alignment with government requirements...

Description SAIC is seeking a highly motivated and skilled Software/Computer Engineer to contribute to concept development, design, and integration of projects involving remote weapon systems and autonomous systems. In this role, you will be responsible for supporting computer and software engineering tasks that are critical to the design, development, and implementation of cutting-edge technologies. The ideal candidate will play a key role in advancing our innovative remote weapon systems and contributing to our efforts in the autonomous systems domain. This position is on-site in Crane, IN. Key Responsibilities: Design, develop, and test software components and systems for remote weapon systems. Collaborate cross-functionally with engineering teams to integrate software with hardware components in complex systems. Assist in the development, implementation, and testing of systems related to autonomous systems. Participate in system requirements analysis, design...

Description SAIC is seeking a Firewall Engineer with experience in US Navy IT networks to support the sustained operation and maintenance of a newly deployed naval enterprise transport network, ensuring 24/7/365 availability and reliability. This position is onsite in Suffolk, VA. Responsibilities Include: Build, design, test and deploy perimeter security systems. Directs compilation of records and reports concerning perimeter operations and maintenance to analyze the performance of perimeter security systems. Provides input to the problem management process, including assessing and evaluating software and hardware anomalies. Supports the root cause analysis efforts to determine problems and develop remediation activities. Interfaces with vendor support service groups to ensure proper support during outages or periods of degraded system performance. Supports the configuration and testing of replacement perimeter devices. Plans, documents, and implements hardware and...

Description SAIC is seeking a highly skilled and motivated Systems Engineer to join our innovative Air Ground Interoperability and Integration Lab (AGIIL) team, supporting U.S. Army DEVCOM. In this critical role, you will contribute to the development and sustainment of cutting-edge tactical networking and messaging solutions that are vital to national security and the operational effectiveness of our warfighters. This role is on-site at Redstone Arsenal in Huntsville, AL. As a Systems Engineer within the AGIIL team, you will play a pivotal role in the full lifecycle development of our advanced tactical communication systems. You will be instrumental in translating operational needs into robust technical solutions, ensuring the successful delivery of critical capabilities for the U.S. Army and other DoW customers. This position offers the opportunity to work on challenging projects that directly impact military readiness and national defense. You will apply a comprehensive...

Description SAIC is seeking a TACNET CB-ISEA Network Engineer (Fleet Support) to join our team in Norfolk, VA. This hybrid-remote position requires frequent and regular onsite support aboard U.S. Navy ships. The engineer will work directly with Active Duty personnel and government staff to deliver high quality repair and technical support for Navy afloat networks. Travel within the U.S. and internationally may be required (approx. 25%), along with occasional after hours support. JOB DESCRIPTION Provide timely patching and remediation of cybersecurity vulnerabilities to ensure the integrity and resilience of Navy afloat network systems. Provide break/fix IT support in a fast paced shipboard environment and troubleshoot LAN issues to determine effective resolutions. Perform root cause analysis and recommend permanent configuration or system changes when needed. Deliver server and network break/fix support, including remote troubleshooting of servers, networks,...

Description The Riverbed SME (Subject Matter Expert) System Engineer serves as the senior technical authority for Riverbed performance monitoring, digital experience management, and network visibility platforms across the enterprise environment. This role is responsible for engineering, administration, optimization, cybersecurity compliance, and lifecycle management of Riverbed technologies excluding SteelHead WAN optimization appliances. The engineer will operate within and support multiple classified and unclassified environments, ensuring secure, compliant, and highly available performance monitoring capabilities across J6 mission systems. This position supports operations within the following enclaves: NIPR (Non-classified Internet Protocol Router Network) SIPR (Secret Internet Protocol Router Network) SOCRATES (as defined by the supported command architecture) The Riverbed SME will manage and support the following suites, as deployed:...

Description The Riverbed SME (Subject Matter Expert) System Engineer serves as the senior technical authority for Riverbed performance monitoring, digital experience management, and network visibility platforms across the enterprise environment. This role is responsible for engineering, administration, optimization, cybersecurity compliance, and lifecycle management of Riverbed technologies excluding SteelHead WAN optimization appliances. The engineer will operate within and support multiple classified and unclassified environments, ensuring secure, compliant, and highly available performance monitoring capabilities across J6 mission systems. This position supports operations within the following enclaves: NIPR (Non-classified Internet Protocol Router Network) SIPR (Secret Internet Protocol Router Network) SOCRATES (as defined by the supported command architecture) The Riverbed SME will manage and support the following suites, as deployed:...

Description SAIC is seeking a Field Engineer for advanced Airborne Electronic Warfare systems. This position is on-site in Crane, IN. Work will involve working on and around US Navy aircraft in both cold and hot environments. Work environment may be noisy, and employee may be exposed to the smell of aircraft exhaust fumes. Travel may be to CONUS and/or OCONUS locations. When not traveling, candidate will work on-station at NSWC Crane and will help with Fleet Support Team/Depot repair of assets, will write/validate procedures, work with draftsmen to generate drawings, perform Engineering Investigations, assist with Engineering Change Proposals, and respond to fleet requests for information. Qualifications Required Education and Experience: Bachelor's degree in Computer, Electronic, or Electrical Engineering from an ABET accredited university, plus at least four (4) years of experience working in the field. Additional years of experienced may be accepted in...

Description SAIC is seeking a motivated and ambitious UAS (Unmanned Aircraft Systems) Cybersecurity Engineer to join the Software, Simulation, Systems Engineering and Integration Directorate (S3I) Joint Technology Center - Systems Integration Lab (JSIL) Tech Center. The UAS Cybersecurity Engineer will perform hardware, software, and operating system hardening and documentation for UAS systems and associated subsystems. The candidate will sit at our customer site in Huntsville, AL. Job Duties: Perform software and system installation, configuration, and troubleshooting of commercial and government software for system development, scanning, and hardening. Conduct software application source, hardware component, and operating system scans to identify system vulnerabilities. Conduct system configuration changes to resolve system vulnerabilities including changes to Microsoft Windows and UNIX-based operating system configuration files. Conduct Cybersecurity...

Description SAIC is seeking a Senior Cyber Security Analyst - Wasatch ISSE to support our IS Governance, Risk & Compliance organization. This role is focused on ensuring confidentiality, integrity, and availability of classified information systems and networks supporting a critical defense program at Hill AFB, Utah. The selected candidate will serve as a technical ISSE/cybersecurity expert, partnering closely with the ISSM, system owners, and mission stakeholders to engineer secure architectures, maintain compliance, and lead risk-based security initiatives. Job Duties Design, implement, and maintain security controls and architectures for classified information systems and networks, ensuring compliance with DoD and customer cybersecurity requirements. Conduct and document risk and vulnerability assessments, threat modeling, and security audits; provide mitigation recommendations to the ISSM and program leadership. Develop, update, and maintain Body of...