52 information system security engineer jobs found

Overview LMI is seeking a skilled Information System Security Engineer (ISSE) with hands-on experience in AWS cloud security to provide advanced cybersecurity engineering and Risk Management Framework (RMF) support for Department of Defense (DoD) cloud-based systems. This position focuses on designing, implementing, and maintaining secure AWS environments aligned with DoD Cloud Computing Security Requirements Guide (CC SRG), NIST SP 800-53, and DISA STIGs/SRGs to support Authorization to Operate (ATO) efforts.   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,...

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 Join SAIC's team and play a pivotal role in defending North America. We are seeking an experienced Information System Security Engineer (ISSE) to lead cybersecurity and compliance efforts for the critical North American Aerospace Defense Command and United States Northern Command (N-NC) Information Technology (IT) Enterprise Services (NITES) contract. In this role, you will ensure that customer systems remain secure, compliant, and mission-ready for any challenge. The ISSE is responsible for designing, developing, and implementing secure information systems that support mission operations. You will collaborate with multidisciplinary teams, including Information Systems Security Managers (ISSMs), systems engineers, and government stakeholders, to integrate effective security controls and ensure systems remain resilient against evolving threats and vulnerabilities. Responsibilities The selected candidate will be responsible for the following: Apply system...

Description: Top Secret security clearance with ability to obtain SCI Eligibility and Polygraph. This position will perform duties as a Classified Cybersecurity Information Systems Security Officer (ISSO) for systems located at the LM Space facility in Valley Forge PA. The work that Cybersecurity ISSO’s 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, gratifying and impactful work! - You will have the opportunity to engage in all aspects of the cyber discipline - You can enjoy a work-life balance that allows for flex hours and a family-first culture. Key Responsibilities of this role includes: - Oversee day-to-day information system security operations including hardware and software implementations. - Carry out technical administration of IS in accordance with internal LM and customer security requirements, primarily Risk Management Framework (RMF). - Upkeep,...

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...

Basic Qualifications Bachelor's degree in Electrical Engineering, or a related Science, Engineering or Mathematics field, plus a minimum of 5 years of relevant experience; or Master's degree plus a minimum of 3 years of relevant experience.   CLEARANCE REQUIREMENTS: Department of Defense Secret security clearance is preferred at time of hire. Applicants selected will be subject to a U.S. Government security investigation and must meet eligibility requirements for access to classified information. Due to the nature of work performed within our facilities, U.S. citizenship is required. Responsibilities for this Position Electrical Hardware Engineer – FPGA, Networking & Cyber Infrastructure As an Electrical Hardware Engineer specializing in FPGA, networking, and cyber infrastructure at General Dynamics Mission Systems, you will design, develop, and integrate hardware subsystems that deliver secure, high-performance...

Basic Qualifications Education Requirements: Bachelor's degree in Systems Engineering, or a related Science, Engineering or Mathematics field, plus a minimum of 8 years of relevant experience; or Master's degree, plus a minimum of 6 years of relevant experience.   Clearance Requirements: Ability to obtain a Department of Defense Secret security clearance is required at time of hire. Applicants selected will be subject to a U.S. Government security investigation and must meet eligibility requirements for access to classified information. Due to the nature of work performed within our facilities, U.S. citizenship is required. Responsibilities for this Position ROLE AND POSITION OBJECTIVES: A successful candidate will possess implemtation level details of vulnerabilities and their countermeasures across a wide range of system types including microcontrollers, FPGA based system-on-chip (SoC) system, and...

Description: The Cyber Software Engineer (level 2) is a mid‑level role that requires owing security outcomes across the product lifecycle. In this position you will lead the definition of security architecture for new features and major refactors, conduct threat‑modeling investigations, and translate product requirements into concrete security controls. Responsibilities include spearheading comprehensive vulnerability assessments (static, dynamic, and dependency‑scanning) prioritizing vulnerability remediation, and ensuring continuous compliance with frameworks such as NIST, ISO 27001, and DoD RMF. The Cyber Software Engineer (level 2) will design, develop, and maintain advanced Python‑based automation that embeds security gates, secret scanning, policy‑as‑code, and automated remediation into CI/CD pipelines (GitLab, DevOps, Jenkins), and will evaluate emerging tools (e.g., SBOM generators, runtime protection platforms) for enterprise adoption. Authoring clear, detailed security...

Overview LMI is seeking a highly motivated and detail-oriented DevSecOps Engineer to join a high-performing team supporting a government healthcare client. This role will contribute to deploying and maintaining secure, scalable cloud-based solutions, ensuring seamless system integration and compliance with federal security standards. This position may be remote.   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...

Basic Qualifications Master's degree, plus 6 years of relevant experience. Bachelor's degree in a specialized area or equivalent relevant experience is required; plus, a minimum of 8 years of relevant experience.   CLEARANCE REQUIREMENTS: Department of Defense TS/SCI security clearance is required at time of hire. Applicants selected will be subject to a U.S. Government security investigation and must meet eligibility requirements for access to classified information. Due to the nature of work performed within our facilities, U.S. citizenship is required. Responsibilities for this Position Job Opportunity: Linux Integration and Test Engineer at General Dynamics Mission Systems Position Overview: Join our team to help create mission-critical systems that keep people safe. As a Linux Integration and Test Engineer, you'll play a crucial role in configuring, troubleshooting, and ensuring the seamless integration of...

Basic Qualifications Bachelor's degree in Engineering, or a related Science or Mathematics field, plus a minimum of 2 years of relevant experience; or Master's degree, plus 6 months relevant experience.   CLEARANCE REQUIREMENTS: Department of Defense Secret security clearance is required at time of hire. Applicants selected will be subject to a U.S. Government security investigation and must meet eligibility requirements for access to classified information. Due to the nature of work performed within our facilities, U.S. citizenship is required. Responsibilities for this Position   What You’ll Experience: Hands-on work with the  system development life cycle  and  Risk Management Framework (RMF) . Implementing  Security Technical Implementation Guides (STIGs)  and running security assessments of a mission critical system. Building RMF documentation, including security plans, testing plans, and compliance...

Description: You will be the FPGA Engineer for the Digital Logic Integration team. Our team delivers mission critical hardware and software that connects sensors, actuators and compute platforms across a range of defense programs, ensuring reliable, high performance operation from concept through fielding. What You Will Be Doing As the FPGA Engineer you will capture and translate system requirements into detailed FPGA architectures, drive simulation and verification, and integrate designs with board level hardware. You will work closely with hardware, software and test partners to validate the complete system and lead design assurance activities that keep the program on schedule and compliant with aerospace standards. Your responsibilities will include • Elicit, refine and document functional and performance requirements for FPGA designs. • Create detailed RTL (VHDL/Verilog/SystemVerilog) and accompanying constraints to meet timing, power and reliability goals. • Develop and...

Basic Qualifications Education Requirements: Bachelor's degree in Electrical or Computer Engineering, or a related Science, Engineering or Mathematics field, plus a minimum of 2 years of relevant experience; or Master's degree, plus 6 months of relevant experience.   Clearance Requirements: Ability to obtain a Department of Defense Secret security clearance is required at time of hire. Applicants selected will be subject to a U.S. Government security investigation and must meet eligibility requirements for access to classified information. Due to the nature of work performed within our facilities, U.S. citizenship is required.     Responsibilities for this Position Duties and Tasks: Responsible for definition, design, verification and documentation for ASIC (Application Specific Integrated Circuit) and/or FPGA (Field Programmable Gate Array) developments Determines architecture, system simulation and...

Basic Qualifications Bachelor's degree in Systems Engineering, or a related Science, Engineering or Mathematics field, plus a minimum of 2 years of relevant experience; or Master's degree, plus 6 months of relevant experience.   CLEARANCE REQUIREMENTS: : Department of Defense Secret security clearance is required at time of hire. Applicants selected will be subject to a U.S. Government security investigation and must meet eligibility requirements for access to classified information. Due to the nature of work performed within our facilities, U.S. citizenship is required. Responsibilities for this Position ROLE AND POSITION OBJECTIVES: As a Senior Network and Cyber System Engineer on the MIT team, you will execute cybersecurity operations and network engineering tasks across secure environments. This is a dual-role position split evenly between cybersecurity engineering and network engineering. You will contribute to...

Description SAIC is seeking a Security Engineer to support the Portsmouth Naval Shipyard (PNSY) Information Technology Programs for the Dept of the Navy. This initiative leverages advanced technologies and integrates critical defense systems to optimize ship maintenance through IT applications, systems, and training, ensuring sustained mission success in naval ship maintenance operations. Work is performed on site in Kittery, ME. Role : Actively monitor, detect, and respond to cybersecurity threats and incidents within an organization. Utilize advanced security tools and technologies, such as Host-Based Security System (HBSS) and Security Information Event Management (SIEM) platforms, to continuously monitor network traffic, identify vulnerabilities, and detect suspicious activities. Conduct thorough investigations of security incidents, implement incident response protocols, and coordinate remediation efforts to mitigate potential risks. Collaborate with IT teams to...

Description SAIC is seeking a Senior Security Engineer to support the Portsmouth Naval Shipyard (PNSY) Information Technology Programs for the Dept of the Navy. This initiative leverages advanced technologies and integrates critical defense systems to optimize ship maintenance through IT applications, systems, and training, ensuring sustained mission success in naval ship maintenance operations. W ork is performed on site in Kittery, ME. Role : Actively monitor, detect, and respond to cybersecurity threats and incidents within an organization. Utilize advanced security tools and technologies, such as Host-Based Security System (HBSS) and Security Information Event Management (SIEM) platforms, to continuously monitor network traffic, identify vulnerabilities, and detect suspicious activities. Conduct thorough investigations of security incidents, implement incident response protocols, and coordinate remediation efforts to mitigate potential risks. Collaborate with IT teams...

Description SAIC is seeking a motivated and skilled Senior Information Systems Security Officer (ISSO) to support cybersecurity and compliance activities for mission-critical IT systems on the MAJESTIC Joint Program Office (JPO) Team . In this role, the ISSO will be responsible for implementing, managing, and assessing system security controls to ensure compliance with government regulations, standards, and best practices, including NIST 800-53 , RMF , and other federal security policies. The ideal candidate will work closely with system owners, administrators, and cross-functional security teams to assess risks, maintain security postures, and ensure the confidentiality, integrity, and availability of information systems that support the mission. This role requires on-site support in Springfield, VA . Key Responsibilities: Ensure compliance with Risk Management Framework (RMF) requirements by developing, maintaining, and assessing system security artifacts,...

Description SAIC is seeking a Senior Security Engineer to support the Portsmouth Naval Shipyard (PNSY) Information Technology Programs for the Dept of the Navy. This initiative leverages advanced technologies and integrates critical defense systems to optimize ship maintenance through IT applications, systems, and training, ensuring sustained mission success in naval ship maintenance operations. Work is performed on site in Kittery, ME. Role: Architects, plans, configures, deploys, maintains, and upgrades COTS/GOTS and custom toolsets to address vulnerabilities and/or implement security controls. Applies a combination of expert engineering knowledge of enterprise IT and security solutions to design, develop and/or implement solutions to ensure they are consistent with enterprise architecture security policies and support full spectrum military cyberspace operations. Designs, tests, and implements secure operating systems, networks, security monitoring, tuning and...

Description We are seeking a skilled and motivated Mid-Level Infrastructure Engineer with a strong background in Windows environments, Infrastructure as Code (IaC), and configuration management to join our team. The ideal candidate will concentrate on modernizing, upgrading, and managing Windows Server infrastructure, with a primary focus on implementing and maintaining Active Directory (AD) and Domain Controller (DC) environments. A key responsibility includes leveraging IaC and automation tools for server provisioning, patching, and configuration, while ensuring the seamless integration of Active Directory with Keycloak and implementing industry best practices and security compliance. The DevSecOps Engineer will play a pivotal role in maintaining preexisting IL5 environments through production and will collaborate with cross-functional teams, including developers, system administrators, and cybersecurity professionals, to deploy secure, resilient, and scalable infrastructure,...

Description We are seeking a skilled and motivated Mid-Level Infrastructure Engineer with a strong background in Windows environments, Infrastructure as Code (IaC), and configuration management to join our team. The ideal candidate will concentrate on modernizing, upgrading, and managing Windows Server infrastructure, with a primary focus on implementing and maintaining Active Directory (AD) and Domain Controller (DC) environments. A key responsibility includes leveraging IaC and automation tools for server provisioning, patching, and configuration, while ensuring the seamless integration of Active Directory with Keycloak and implementing industry best practices and security compliance. The DevSecOps Engineer will play a pivotal role in maintaining preexisting IL5 environments through production and will collaborate with cross-functional teams, including developers, system administrators, and cybersecurity professionals, to deploy secure, resilient, and scalable infrastructure,...