458 information systems security engineer jobs found

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 ISSE will be responsible for designing and engineering secure, cloud ready platforms, implementing Zero Trust-aligned controls, automating cyber platform configuration/compliance, integrating detection and response (SOAR), and building guardrails that ensure confidentiality, integrity, and availability for mission systems. The ISSE will implement and continually harden the cybersecurity posture of classified information systems in support of the Department of the Air Force's (DAF) Cloud Base Command and Control (CBC2) Program. The ideal candidate brings a strong systems and security engineering background (Linux/Windows, containers/Kubernetes, networking, identity, and cloud), experience architecting security patterns and automating enforcement (Terraform/Ansible,...

Description SAIC and the Engineering, Development, Integration and Sustainment (EDIS) team are looking for an Information Systems Security Engineer (ISSE) to work with our Space Systems Command (SSC) customer at Kirtland AFB in Albuquerque, New Mexico. We want you to join our qualified and diverse team of professional Cybersecurity SMEs, where you can apply your talents to take our team to new levels of performance. You will leverage your subject matter expertise in applications, systems, network cybersecurity, and DoD Risk Management Framework (RMF) requirements to provide expert ISSE support to various satellite ground command and control systems at multiple classification levels, undergoing system modernization - to include migration to the cloud and co-hosting multiple mission partners. Steps to success: Install, configure, and troubleshoot solutions with a wide selection of Cyber industry tools Work with identity management/rights management tools and implementation...

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-Cloud Management (CIMM) program. As a contributor to the Intelligence Community's first multi-cloud initiative, you will be at the epicenter of emergent cloud computing technologies, establishing a foundation that will evolve to include all agencies within the IC and develop, implement, and maintain security engineering processes and tools for cloud-based systems. The ISSE will ensure that the organization's critical systems and data remain secure and compliant with all relevant government and industry standards. This role involves working closely with system architects, administrators, and mission partners to identify security risks, implement mitigations, and enhance the overall security posture of a highly dynamic cloud environment. Your responsibilities will include the following:...

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...

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 is seeking an Information System Security Engineer (ISSE) to join our team. This position is in Arlington, VA and requires an active Top Secret/SCI clearance . Job responsibilities include, but are not limited to: Implement and maintain cybersecurity controls in accordance with DoD policies, including NIST SP 800-53, RMF, and applicable STIGs. Monitor network and system security, analyze security events, and respond to incidents in a timely manner. Conduct vulnerability assessments and remediation activities using approved DoD tools and processes. Collaborate with IT, engineering, and program teams to ensure security requirements are integrated into system designs and operations. Assist in the preparation, review, and maintenance of security documentation, including System Security Plans (SSPs), Plan of Action & Milestones (POA&Ms), and risk assessments. Support the Risk Management Framework (RMF) process for system accreditation and...

Description SAIC is seeking an Information System Security Engineer to provide cybersecurity leadership and governance across DoD IL5 and IL6 cloud platforms, ensuring secure design, continuous monitoring, and compliance across multiple cloud brokers. This role oversees RMF lifecycle execution, ATO sustainment, and security engineering alignment for cloud based development and production environments-while partnering closely with engineering, operations, and mission stakeholders to maintain a resilient, audit-ready security posture. In this role, you'll contribute to Naval Operational Architecture (NOA), working alongside engineers and operators to deliver resilient, forward-leaning solutions in support of national defense. Job Duties Lead RMF lifecycle execution for IL5/IL6 cloud systems, including control inheritance, evidence generation, and continuous monitoring. Manage ATO packages, ensuring timely renewals, POA&M tracking, and alignment with DoD cybersecurity...

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: Lockheed Martin "Ahead of Ready" Space is a critical domain, connecting our technologies, our security and our humanity. While others view space as a destination, we see it as a realm of possibilities, where we can do more — we can innovate, invest, inspire and integrate our capabilities to transform the future. At Lockheed Martin Space, we aim to harness the full potential of space to cultivate innovation, reduce costs, and push the boundaries of what technology can achieve. We’re creating future-ready solutions, focusing on resiliency and urgency through our 21st Century Security® vision. We’re erasing boundaries and forming partnerships across industries and around the world. We’re advancing spacecraft and the workforce to fuel the next generation. And we’re reimagining how space can connect us, ensuring security and prosperity. Join us in shaping a new era in space and find a career that's built for you. For over 70 years, the Fleet Ballistic Missile...

Description: Space is a critical domain, connecting our technologies, our security and our humanity. While others view space as a destination, we see it as a realm of possibilities, where we can do more — we can innovate, invest, inspire and integrate our capabilities to transform the future. At Lockheed Martin Space, we aim to harness the full potential of space to cultivate innovation, reduce costs, and push the boundaries of what technology can achieve. We’re creating future-ready solutions, focusing on resiliency and urgency through our 21st Century Security® vision. We’re erasing boundaries and forming partnerships across industries and around the world. We’re advancing spacecraft and the workforce to fuel the next generation. And we’re reimagining how space can connect us, ensuring security and prosperity. Join us in shaping a new era in space and find a career that's built for you. We are seeking a highly skilled and motivated DevSecOps Engineer Staff to join our team...

Overview LMI is seeking a skilled Forward Deployed Engineer in Tacoma, Washington. It is preferred that candidates can work onsite (Joint Base Lewis-McChord ) in a hybrid format, but candidates interested in travel may apply. Successful Forward Deployed Engineers demonstrate the ability to integrate advanced technologies into operational workflows, build and deploy new software capabilities, and work closely with Soldiers and mission users to translate real-world needs into practical, scalable technical solutions. This position requires an active Secret clearance.   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...

Description: What We're Doing As a part of the Lockheed Martin community, we take on challenges and find solutions using creativity and collaboration. If you’re looking to be a part of a passionate team solving these complex problems, then Rotary and Mission Systems is the place for you. The Work Here at Lockheed Martin's Rotary and Mission Systems (RMS) business in Moorestown, NJ we are responsible for integrating, testing, and demonstrating some of our customers most complex systems. As the Engineer in our System Integration and Test (SI&T) department, you will be a part of the team responsible for high level system design, system test planning and test execution for our key customers, including US Navy, US Coast Guard, US Missile Defense Agency, US Air Force, and international customers. In this position, the successful candidate will experience responsibilities in one or more of the following domains: • System-level integration of software and hardware components...

Description: Space is a critical domain, connecting our technologies, our security and our humanity. While others view space as a destination, we see it as a realm of possibilities, where we can do more — we can innovate, invest, inspire and integrate our capabilities to transform the future. At Lockheed Martin Space, we aim to harness the full potential of space to cultivate innovation, reduce costs, and push the boundaries of what technology can achieve. We’re creating future-ready solutions, focusing on resiliency and urgency through our 21st Century Security® vision. We’re erasing boundaries and forming partnerships across industries and around the world. We’re advancing spacecraft and the workforce to fuel the next generation. And we’re reimagining how space can connect us, ensuring security and prosperity. Join us in shaping a new era in space and find a career that's built for you. For over 70 years, the Fleet Ballistic Missile (FBM) team has supported the Navy’s...

Description: What We're Doing As a part of the Lockheed Martin community, we take on challenges and find solutions using creativity and collaboration. If you’re looking to be a part of a passionate team solving these complex problems, then Rotary and Mission Systems is the place for you. The Work Here at Lockheed Martin's Rotary and Mission Systems (RMS) business in Moorestown, NJ we are responsible for integrating, testing, and demonstrating some of our customers most complex systems. As the Engineer in our System Integration and Test (SI&T) department, you will be a part of the team responsible for high level system design, system test planning and test execution for our key customers, including US Navy, US Coast Guard, US Missile Defense Agency, US Air Force, and international customers. In this position, the successful candidate will experience responsibilities in one or more of the following domains: • System-level integration of software and hardware components...

Overview We're looking for a Full Stack Tech   Software Engineer   with expertise across the frontend (React, TypeScript, CSS, HTML) and backend ( Node.js, Express.js,   OpenAPI , relational databases) stack to   join   our app team.   Working closely with product owners, designers, and fellow engineers, you'll iterate quickly on features, improve performance, and build out a secure, scalable platform for real-world military and government users. This role   focuses on   hands-on coding   and software design , spanning everything from UI workflows to   API development to database architecture . This role requires an active Secret security clearance.   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....

Overview We're looking for a Full Stack Tech Lead with deep expertise across the frontend (React, TypeScript, CSS, HTML) and backend ( Node.js, Express.js,   OpenAPI , relational databases) stack to lead our app team.   You'll set technical direction, mentor engineers, and drive systems design decisions across the platform. Working closely with product owners, designers, and fellow engineers, you'll iterate quickly on features, improve performance, and build out a secure, scalable platform for real-world military and government users.   This role blends technical leadership, architectural ownership, and hands-on coding, spanning everything from UI workflows to distributed backend services to deployment automation. This role requires an active Secret security clearance.   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,...

Description: Lockheed Martin Aeronautics Air Mobility and Maritime Missions in Marietta, GA is seeking a full-time Cyber Systems Security Engineer. The System Security Engineer translates security policies and architectural intent into concrete, verifiable system, subsystem, and component requirements. Leveraging a solid systems engineering foundation, the SSE supports derivation, allocation, and implementation of security functional and assurance requirements across the system, subsystem, and component levels. This role participates in threat modeling and vulnerability analysis activities, designs mitigation strategies, and authors verification and validation test procedures associated with RMF Artifacts. By conducting security test and evaluation, this position will confirm that the system meets its security objectives and complies with applicable RMF policies and standards. The engineer also creates and maintains security views within system models and collaborates closely...

Description: Join the Lockheed Martin Aeronautics Field Sustainment (AFS) team as an In-Country F-16 Avionics Intermediate Shop (AIS) Field Service Engineer (FSE)/ Contractor Engineering and Technical Services (CETS). This position is located in Muafaq Salti Air Base, Jordan. Note: This position is located in Jordan and is an accompanied assignment - employee +1. This position will provide on-site advice, liaison, and informal training in the installation, operation and maintenance of equipment and systems related to F-16 on and off the aircraft. The objective of the FSE is to elevate the technical skill and abilities of the personnel responsible for the operation and maintenance of F-16 aircraft and associated equipment/systems to a level of self-sufficiency. What You Will Be Doing Specific tasks include but are not limited to the following: • Provide on-site/on-equipment informal unit training to the component level on installation, maintenance and operating...

Description: Space is a critical domain, connecting our technologies, our security and our humanity. While others view space as a destination, we see it as a realm of possibilities, where we can do more — we can innovate, invest, inspire and integrate our capabilities to transform the future. At Lockheed Martin Space, we aim to harness the full potential of space to cultivate innovation, reduce costs, and push the boundaries of what technology can achieve. We’re creating future-ready solutions, focusing on resiliency and urgency through our 21st Century Security® vision. We’re erasing boundaries and forming partnerships across industries and around the world. We’re advancing spacecraft and the workforce to fuel the next generation. And we’re reimagining how space can connect us, ensuring security and prosperity. Join us in shaping a new era in space and find a career that's built for you. For over 70 years, the Fleet Ballistic Missile (FBM) team has supported the Navy’s...

Description SAIC is seeking qualified external candidates to support the General Services Administration (GSA) Federal Acquisition Service (FAS) Acquisition & Ordering System (AOS) program. The GSA FAS AOS task order will deliver operations and maintenance (O&M), Site Reliability Engineering (SRE), DevSecOps, minor enhancements, and ongoing agile development services for FAS acquisition and ordering systems. All positions are contingent upon contract award. Award is anticipated late summer 2026. Positions are expected to be primarily remote allowing for work from anywhere within the United States. Program Position and Skillset List: Software Developers - Applications (Associate / Senior / SME) Software Developers - Systems Software (Associate / Senior / SME) Computer Systems Analysts (Associate / Senior / SME) Computer Systems Engineers / Architects (Associate / Senior / SME) Site Reliability Engineers (SRE)...