881 information systems security engineer jobs found

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...

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....

Overview LMI is seeking an experienced IT Service Desk Lead to oversee daily operations, workflows, and customer support activities across an enterprise service desk supporting multiple technical communications facilities, including classified and SAP environments. This individual will lead Tier 1/Tier 2 support teams, coordinate with engineering staff, ensure timely resolution of IT incidents and requests, and drive consistency across service delivery at all program locations.   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...

Overview 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, homeland, healthcare, and intelligence sectors—helping agencies navigate complexity and outpace change.  Headquartered in Tysons, Virginia, LMI is committed to delivering impactful results that strengthen missions and drive lasting value.   Responsibilities LMI is seeking a skilled Infrastructure Engineer to design, implement, automate, operate , and sustain...

Overview LMI is seeking a skilled Forward Deployed Engineer in the Washington, DC region. Successful Forward Deployed Engineers demonstrate competency in integrating advanced technologies into existing business processes, building new functionality, ensuring successful software deployments, and working closely with customers. This role requires a combination of technical skills, strong communication, and the ability to quickly turn ideas into production caliber code. This role will work as part of the Sales Engineering team and engage directly with customers on-site, in a hybrid format, or remotely, as required by each customer including the potential for occasional short-term travel to customer locations across the United States. 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,...

Overview LMI is seeking a Full Stack Software Engineer to join the team supporting IronGate, a mission-ready data acquisition and transfer platform built for complex federal environments. It enables agencies to securely acquire commercial data and bring it into government networks through a self-service UI portal or direct-to-network push with full visibility, governance, and compliance at every step. You’ll work across the stack—from Angular  and  Reactr -based UI workflows to Node/Express APIs and PostgreSQL data models—helping us deliver secure, scalable capabilities that support cyber threat detection, asset protection, and operational decision-making.     You’ll collaborate closely with product owners, designers,  DevSecOps , and fellow engineers to iterate quickly on features, modernize existing components, and shape the future architecture as we incorporate technologies like Spark, Hudi, Elasticsearch, and Kong. This is a hands-on...

Overview LMI is seeking a Staff Data Engineer to build authoritative data products supporting Army acquisition and program operations. This engineer will own data pipelines, models, and ontology within Army Vantage or Palantir Foundry.   This is a senior individual-contributor role for an engineer who can make architectural decisions, build production systems, and raise the technical standard of the team.   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,...

Description SAIC is looking for a Principal Software engineer to join our Solutions and Technology group. This is a hybrid role and candidates must resided in the San Diego area with the ability to work at our Point Loma location. Candidates must be able to go on site 3 days a week . Candidates must be able to do the following: In a technical capacity, collaborate closely with clients to guarantee the seamless implementation of a streaming data platform and create innovative solutions that leverage it According to client requirements, specify, construct, test, and implement specialized machine learning and/or other mission-focused systems Engage in deployment and execution planning alongside clients Directly support deployment of software on Kubernetes Produce documentation for clients in order to assist with custom applications Provide tutorials and technical information for product documentation Full stack development using Python, Java, or JavaScript for front-end...

Description SAIC is seeking a Digital Engineer with demonstrated experience using Palantir Foundry onsite in El Segundo, CA to build end-to-end data solutions and applications for the Positioning, Navigation, and Timing (PNT) Systems Engineering & Integration (SE&I) Team. PNT SE&I provides engineering, integration, technical analysis, and subject matter expertise (SME) support to the US Space Force. As a member of our PNT SE&I Team, you'll work in a fast-paced environment with Government personnel and systems engineers to gather and translate business requirements into actionable data solutions, develop interactive user interfaces, perform data transformation and modeling, and provide support and training to ensure effective use of data-driven insights across the organization. Responsibilities: Collaborate with stakeholders to gather and understand business requirements, translating them into actionable data solutions using Palantir Foundry. Develop and...

Description SAIC is seeking a Digital Engineer with demonstrated experience using Palantir Foundry onsite in El Segundo, CA to build end-to-end data solutions and applications for the Positioning, Navigation, and Timing (PNT) Systems Engineering & Integration (SE&I) Team. PNT SE&I provides engineering, integration, technical analysis, and subject matter expertise (SME) support to the US Space Force. As a member of our PNT SE&I Team, you'll work in a fast-paced environment with Government personnel and systems engineers to gather and translate business requirements into actionable data solutions, develop interactive user interfaces, perform data transformation and modeling, and provide support and training to ensure effective use of data-driven insights across the organization. Responsibilities: Collaborate with stakeholders to gather and understand business requirements, translating them into actionable data solutions using Palantir Foundry. Develop and...

Description SAIC is seeking a Principal Cybersecurity Engineer to support critical Navy communication systems within the DoD. This role is ideal for a hands-on security professional with deep engineering expertise, offensive security experience, and a proven track record finding vulnerabilities, and securing classified and high-security environments. You will serve as a key technical expert collaborating with engineers, program managers, and government personnel to deliver secure, resilient strategic systems. This role is fully ON-SITE in San Diego, CA. Must be local to area. Up to 10% travel involved. JOB DUTIES: Plan and execute penetration test exercises against systems, networks, and applications simulating real world environment. Perform network traffic analysis and threat detection using Wireshark and other offensive/defensive security tools. Architect and harden IT systems, virtualized environments, and network security devices in classified settings....

Description Job Summary: We are seeking a mid-level Google Cloud Platform (GCP) Engineer with strong, hands-on experience across cloud administration, automation, system integration, and application support. This role supports production GCP environments and participates in cloud migration initiatives, including on-premises to cloud and cloud-to-cloud migrations. This position prioritizes real-world, operational experience over certifications. While Google Cloud certifications are valued, demonstrated hands-on experience designing, deploying, automating, migrating, and supporting GCP workloads in production environments carries significantly more weight. Experience with data engineering and analytics platforms is a strong plus but not a strict requirement for candidates with a proven track record of strong GCP engineering experience. Must be able to work onsite on a full-time basis! Remote positions will be considered depending on skills, qualifications, and...

Description SAIC is seeking a TACNET CB-ISEA Network Engineer (Fleet Support) to join our team in San Diego, CA; must be local to area . 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. Must be able to travel up to 25% throughout the year. 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...

Description Join a mission driven satellite program at the forefront of national defense innovation. Our team is developing cutting edge technologies that directly support critical Department of War priorities, combining both proven and first-of-their-kind capabilities that have never been applied in space. Operating within a fast-paced acquisition environment, we benefit from streamlined authorities and direct access to senior Government decisionmakers, enabling us to move quickly and execute aggressive schedules using the most innovative contracting strategies available. SAIC is seeking self-directed leaders who skillfully navigate ambiguity, solve complex challenges, and bring diverse \expertise to a dynamic environment focused on delivering capability rapidly. Success here requires adaptability, initiative, and a willingness to wear multiple hats in support of a high impact mission. Candidates experienced as USAF/USSF acquisition officers (AFSC: 63A), USAF/USSF civil...

Description SAIC is seeking Virtual Desktop Infrastructure VDI Engineer. Make a difference for national security by joining a team of dedicated IT professionals who will sustain, modernize and transform the enterprise IT capabilities of the Defense Counterintelligence and Security Agency (DCSA). The Air Force Space and Intel Business Group of SAIC is seeking a Senior Virtual Desktop Engineer to support a transformational infrastructure program for DCSA. SAIC is proud to be supporting DCSA in safeguarding our nation's information. DCSA is the designated oversight authority on the accreditation of classified facilities, information systems, and the insider threat program. This involves security oversight of more than 10,000 companies and approximately 13,000 facilities involved in classified work throughout the DoD and 31 Federal agencies. Specifically, on the DCSA One IT program, SAIC will provide an enterprise IT solution that delivers highly secured and adaptable IT...

Description SAIC is a trusted leader in delivering advanced command and control capabilities across the Department of the Air Force. We bring deep expertise in engineering, securing, and deploying cutting-edge technologies that support mission-critical operations. In partnership with the Assistant Secretary of the Air Force for Acquisition, Technology, and Logistics, SAIC supports programs that unify data, sensors, mission applications, cloud-based services, and emerging AI-enabled automation. These efforts empower warfighters with a decisive edge, transforming complex, multidomain information into fast, clear, and actionable decisions when it matters most. As part of this team, you will help accelerate the integration, testing, security, and transition of new capabilities into operational use. You will work side by side with operators, engineers, Capability Providers, and government teams to ensure every delivery strengthens mission readiness. This role offers the opportunity...