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2009 information systems security engineer jobs found

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SAIC
Jun 22, 2026
Information Systems Security Engineer
SAIC VA
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,...
SAIC
Jun 15, 2026
Information Systems Security Engineer
SAIC NM
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...
SAIC
Jun 10, 2026
Cloud Information Systems Security Engineer (ISSE)
SAIC VA
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:...
LMI
Jun 09, 2026
Information Systems Security Engineer (ISSE) - Navy - Norfolk
LMI Norfolk, VA
Overview Location: Norfolk, VA preferred. Tysons, VA, or Richmond, VA, allowed. Partial teleworking allowed.   Overview:   The Information Systems Security Engineer (ISSE) - Navy   will promote an integrated, team-oriented culture while delivering strong individual contribution while advocating through action, robust teaming,  coordination  and collaboration .   In this dynamic role, you will  leverage  your technical and cybersecurity subject matter  expertise  to provide strategic guidance and support to LMI clients throughout sales and engagement processes. This  Senior Consultant  level role will be expected to contribute critical thinking, spanning client support, securing planned architecture, troubleshooting, and working with customers to developing use cases and applications of LMI sensor technology. Your  contribution to  proposed cybersecurity responses will help drive implementation roadmaps and ensure alignment with...
LMI
Apr 08, 2026
Army Information Systems Security Engineer (ISSE)
LMI Remote, UNAVAILABLE
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...
LMI
Apr 06, 2026
Information Systems Security Engineer (ISSE) - Navy
LMI Mechanicsburg, PA
Overview Location: Mechanicsburg, PA preferred. Tysons, VA, allowed. Partial teleworking allowed.   Overview:   The  Cyber & Sensor Integration Specialist  will promote an integrated, team-oriented culture while delivering strong individual contribution while advocating through action, robust teaming,  coordination  and collaboration .   In this dynamic role, you will  leverage  your technical and cybersecurity subject matter  expertise  to provide strategic guidance and support to LMI clients throughout sales and engagement processes. This  Senior Consultant  level role will be expected to contribute critical thinking, spanning client support, securing planned architecture, troubleshooting, and working with customers to developing use cases and applications of LMI sensor technology. Your  contribution to  proposed cybersecurity responses will help drive implementation roadmaps and ensure alignment with customer security...
LMI
Jul 21, 2026
Cybersecurity Information System Security Engineer - Clearance Required
LMI Fort Belvoir, VA
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...
Odyssey Systems Consulting Group
Jul 06, 2026
Full time
Senior Information System Security Engineer
Odyssey Systems Consulting Group MA
Position Summary Odyssey Systems has an exciting opportunity for a Senior Information Systems Security Engineer (ISSE) supporting the AFLCMC/HNJ Special Programs Division, located at Hanscom Air Force Base, MA. The division focuses on rapid prototyping, secure Kill Chain capabilities integration, and special access program mission execution. In this role, you will lead Authorization and Accreditation (A&A) documentation efforts and provide Systems Security Engineering (SSE) expertise across highly classified environments, ensuring cybersecurity protections are embedded into system architectures from concept through sustainment. Responsibilities In this Advisory and Assistance Services (A&AS) role, you will provide expert-level support to Department of Defense (DoD) programs by assisting government leadership with decision-making, planning, and execution throughout the acquisition lifecycle. You will apply your technical...
SAIC
Jul 13, 2026
Information System Security Engineer
SAIC VA
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...
SAIC
Jun 24, 2026
Information System Security Engineer
SAIC CA
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...
SAIC
Mar 11, 2026
Information System Security Engineer
SAIC VA
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....
Odyssey Systems Consulting Group
Jul 26, 2026
Full time
Systems Cybersecurity Engineer
Odyssey Systems Consulting Group Colorado Springs, CO
Position Summary Odyssey is recruiting for a System Cybersecurity Engineer to join our elite team at Peterson Space Force Base in Colorado Springs, Colorado. In this role, you will be a hands-on cybersecurity subject matter expert responsible for the full integration of cybersecurity across all phases of the system lifecycle- from acquisition and design through development, testing, fielding, operations, sustainment, and compliance assessment. You will operate at the intersection of system engineering and cybersecurity, ensuring that mission-critical systems remain secure, compliant, and operationally resilient. All work will be performed in alignment with contract requirements and coordinated by the Information System Security Managers (ISSMs).   Responsibilities Cybersecurity duties encompass a wide range of responsibilities aimed at protecting digital systems, networks, and sensitive data from threats. These duties include...
Lockheed Martin
Jul 25, 2026
Systems Engineer - Safety Integration
Lockheed Martin Cape Canaveral, FL
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. Fleet Ballistic Missiles (FBM) is one of Lockheed Martin’s outstanding Lines of...
Lockheed Martin
Jul 25, 2026
Embedded Systems Engineer - Requirements & Verification
Lockheed Martin Littleton, CO
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...
Lockheed Martin
Jul 25, 2026
Mechanical Engineer Associate
Lockheed Martin Cape Canaveral, FL
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. The primary role for this candidate will be a Mechanical Engineer for the Class 3 &...
Lockheed Martin
Jul 25, 2026
Systems Engineer Staff
Lockheed Martin Littleton, CO
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. Lockheed Martin is looking for a Systems Engineer, Senior Staff to lead the Embedded PSOC...
Lockheed Martin
Jul 25, 2026
Mechanical Engineer, Controls
Lockheed Martin Englewood, CO
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. If this describes you, come join our team as our next Propulsion/Ordnance/Controls...
Lockheed Martin
Jul 25, 2026
Electrical Design Integration Engineer
Lockheed Martin Highlands Ranch, CO
Description: At the dawn of a new space age, Lockheed Martin is a pioneer, partner, innovator and builder. Our amazing people are on a mission to make a difference in the world and every single day we use our outstanding skills, talents and experiences to craft and build solutions to some of the world’s hardest engineering problems. Do you want to be part of a culture that inspires employees to envision the impossible, perform with excellence and build incredible products? We provide the resources, inspiration and focus—if you have the passion and courage to dream big, then we want to build a better tomorrow with you. Come join Lockheed Martin’s engineering team supporting the Space Development Agency’s portfolio at Lockheed Martin Space. These critical systems provide missile warning, missile tracking, missile defense, and communications capabilities. You will join an elite team to develop cutting edge technical capabilities for our customers utilizing groundbreaking...
Lockheed Martin
Jul 25, 2026
THAAD DevSecOps Engineer Staff
Lockheed Martin Huntsville, AL
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...
LMI
Jul 25, 2026
Forward Deployed Engineer - Clearance Required
LMI Tacoma, WA
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...
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