225 senior security engineer jobs found

Overview LMI is seeking a Staff Security & Compliance Engineer to secure a common platform for onboarding, deploying, and hosting third-party applications in support of HQDA G-4. This engineer will support the platform’s authorization, maintain its security controls, and assess whether applications meet prescribed controls and hosting standards before deployment and during operations.   This is a hands-on role for an engineer who can turn security requirements into automated checks, clear findings, and actionable evidence for government decisions.   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...

Description: WHAT WE’RE DOING At Lockheed Martin's Rotary and Mission System's Cyber Resiliency organization, we are dedicated to engineering and deploying cutting-edge cyber defense solutions across our corporation. Our focus on cybersecurity is paramount to ensuring mission success for our customers, even in the face of evolving cyber threats. THE WORK As a member of our team, you will be involved in a variety of activities aimed at enhancing the cyber resiliency of the USSF Space Fence System radar. This includes tasks such as: • Hardening operating systems, applications, and network devices • Conducting vulnerability scans • Continuous monitoring of the security posture of the system • Assisting with Government Certification Test and Evaluation (CT&E) and Vulnerability Testing • Implementing security updates and patches • Applying configuration changes to ESS, ACAS, and SolarWinds security tools • Providing support to maintain the Certification and Accreditation...

Description: What We’re Doing At Lockheed Martin, our Command and Control, Battle Management and Communications (C2BMC) National Team (C2NT) is pioneering the development and integration of cutting-edge technologies to advance the Missile Defense System, safeguarding the United States and its allies. Our collaborative and agile organization operates in a fast-paced environment, driving innovation through tasks such as sensor/weapon integration, algorithm development, user interface development, automated testing, cyber security, enterprise/infrastructure services, and enhancing leading-edge missile defense technologies. The Work Designs, plans, and validates secure network communications systems for the C2BMC program. You develop detailed specifications, schematics, and capacity forecasts; select hardware/software; implement firewalls, switches, routers, and security relevant devices; and conduct rigorous testing. You apply DoW RMF/CSRMC/STIG compliance, produce required IA...

Description: WHAT WE’RE DOING At Lockheed Martin's Rotary and Mission System's Cyber Resiliency organization, we are dedicated to engineering and deploying cutting-edge cyber defense solutions across our corporation. Our focus on cybersecurity is paramount to ensuring mission success for our customers, even in the face of evolving cyber threats. WHO WE ARE Lockheed Martin is driven by innovation, integrity, and a commitment to excellence. We believe in applying the highest standards of business ethics and visionary thinking to everything we do. As part of our team, you will collaborate with a cross functional team of technical professionals including software and systems engineers and radar operators to maintain the cybersecurity posture of the Space Fence Radar System. WHO YOU ARE We are looking for individuals who are passionate about cybersecurity and eager to contribute their skills and expertise to our mission. You should have demonstrable knowledge in...

Position Summary Odyssey Systems has an exciting opportunity for a Senior Systems Engineer  providing support to the Air Force Life Cycle Management Center/PEO Electronic Systems Directorate (AFLCMC/ES).  The Air Force Program Execution Office for PEO Electronic Systems (AFPEO/ES) has the collective Air Force Materiel Command (AFMC) mission responsibility to manage and execute the modernization, development, testing, production, fielding, and sustainment of the PEO ES portfolio, which includes over 130 programs for the United States Air Force (USAF) and foreign allies. AFLCMC/PEO ES is headquartered at Hanscom Air Force Base, MA with geographically separated operating units CONUS and OCONUS.   This is a full time Hybrid position located at Hanscom Air Force Base, MA. *Position Contingent Upon Position Award* Responsibilities Duties include, but not limited to:  Support engineering activities across all phases of the...

Position Summary Odyssey Systems has an exciting opportunity for a Senior Systems Engineer  providing support to the Air Force Life Cycle Management Center/PEO Electronic Systems Directorate (AFLCMC/ES).  The Air Force Program Execution Office for PEO Electronic Systems (AFPEO/ES) has the collective Air Force Materiel Command (AFMC) mission responsibility to manage and execute the modernization, development, testing, production, fielding, and sustainment of the PEO ES portfolio, which includes over 130 programs for the United States Air Force (USAF) and foreign allies. AFLCMC/PEO ES is headquartered at Hanscom Air Force Base, MA with geographically separated operating units CONUS and OCONUS.   This is a full time Hybrid position located at Hanscom Air Force Base, MA. *Position Contingent Upon Position Award* Responsibilities Duties include, but not limited to:  Support engineering activities across all phases of...

Description SAIC is seeking a Cloud Computing Engineer to serve as a senior DevSecOps engineer supporting mission systems operating in DoD IL5 and higher environments. This role will lead the design, implementation, and sustainment of secure, automated software delivery pipelines and cloud infrastructure for critical national security customers, with a focus on AWS services (including AppStream 2.0) and integration with Keycloak. The Cloud Engineer acts as a technical leader and subject matter expert, partnering with government stakeholders, solution architects, cyber, and development teams to deliver scalable, resilient, and compliant AWS solutions in development, test, and production environments. Key Responsibilities include: serve as the senior DevSecOps/Cloud engineer for AWS-based solutions in IL5+ and classified environments. Define cloud-native architectures, deployment patterns, and CI/CD strategies aligned with customer mission, DoD Cloud Computing SRG, and RMF...

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) or developmental...

Description SAIC is seeking an experienced and technically skilled Senior Systems Engineer to support NSWC Crane and the Sea-Launched Cruise Missile - Nuclear (SLCM-N) program. In this role, you will perform a broad range of systems engineering activities in support of one of the Department of Defense's highest-priority nuclear modernization programs. The successful candidate will assist the Navy is directing and managing a competitive prototyping development effort and apply a complete understanding of systems engineering principles to deliver innovative, technically sound solutions that meet mission requirements within schedule and cost constraints. The Senior Systems Engineer will perform systems engineering activities including concept of operations formulation, requirements definition, analysis and engineering, system architecting, system analysis and design, interface and data architectures, validation and verification, systems integration, system and operational...

Description SAIC has an opening for a Senior Detection Engineer . This position is located in Oak Ridge, Tennessee; however, SAIC is open to remote work for qualified candidates. This role serves as a Senior Technical Analyst within SAIC's Enterprise Security Operations Center (ESOC) and Detection Engineering Team. Reporting to the Manager of Defensive Cyber Operations (DCO), the Senior Analyst is responsible for enhancing enterprise-wide threat detection capabilities. The Senior Analyst develops high-fidelity detections on an operational cadence across SIEM, EDR, and other security telemetry platforms, ensuring SAIC maintains strong visibility into adversary tactics and emerging threats. In this position, the analyst works closely with the 24/7 Detection and Response, Cyber Incident Response, Cyber Threat Intelligence, Offensive Security Operations, and Sustainment teams to operationalize detections and continuously strengthen the organization's defensive posture. In addition...

Description SAIC is seeking a Senior Systems Engineer to join our team in Huntsville, AL. Project Overview The Network, System Integration and Test Environment (NSITE) is a government-owned, managed, and developed software suite under the Army S3I Indicium Project. NSITE supports the Missile Defense Agency (MDA), Joint Services, and multiple laboratories by enabling continued interoperability testing of systems critical to the defense of the United States and its Allies. The selected candidate for the Systems Engineer (SME) role will foster collaboration across diverse functional areas and contribute to the advancement of this mission-essential capability. Duties and Responsibilities Collaborate with leads to drive software decisions for upcoming test events and deliver technical recommendations. Engage with external customers to align NSITE software status and gather system requirements. Maintain expert knowledge of the MDA...

Description JOB DESCRIPTION: SAIC seeks a SeniorCloud Computing Engineer to join our team of professionals providing technical and program services to the U.S. Government (USG). SAIC provides research, engineering, design, analysis, acquisition, development, integration, test, and operations support USG Intelligence Community (IC) and Department of Defense (DoD) customers. We support development and delivery of next generation and generation after next national security systems based on land, at sea, in air, and in space. The Senior Cloud Computing Engineer sought here serves a USG Program Office leading Research & Development (R&D) of evolutionary, revolutionary, and transformational cloud-based architectures. This position provides Systems Engineering & Technical Advisory (SETA) support services. Your responsibilities include some or all of the following depending on your personal desires and capabilities: Expertise with commercially available cloud...

Description SAIC is seeking a well-rounded Senior Test Engineer to lead test activities for a team of EEs, MEs, programmers and other project personnel involved in delivering concepts and products related to aircraft and other military systems. The candidate will directly support Government program(s) as a test engineer throughout the entire program lifecycle. This position will be onsite at our facility in Indianapolis, IN. JOB DUTIES: The candidate will support test during all aspects of design and will test and debug circuit card assemblies, embedded systems and other hardware and software systems. Candidate will be expected to lead and advise other test personnel as well as other engineers. Candidate will work multiple projects and will develop test plans, procedures and reports. Candidate will work with test equipment architects to determine test strategies for products. Candidate will work with team on requirements allocation, will identify best method for...

Overview LMI is seeking a Senior Data Engineer to support the development of integrated operational information and decision-support capabilities for the U.S. Army. This individual will play a key role in designing and implementing data architectures, ontologies, and integrations that connect information across Army enterprise systems and enable operational applications and AI-enabled workflows.   The ideal candidate is a hands-on engineer with strong data engineering and architecture experience who can work across complex data environments, develop scalable solutions, and collaborate with software engineers and operational stakeholders. This role will focus on establishing the data foundation for operational applications using Palantir Foundry, with opportunities to support conversational AI, workflow automation, and advanced decision-support capabilities.   LMI is a new breed of digital solutions provider dedicated to accelerating government impact with...

Overview LMI is seeking a Senior Software Engineer to build user-facing applications supporting HQDA G-4. This engineer will own application capabilities from user need through production delivery as containerized applications deployed to a Kubernetes cluster.   This is a hands-on role for an engineer who can work across the stack, make architectural decisions, and build software directly with Army users and product teams.   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,...

Overview LMI is seeking a Staff Data Engineer to build authoritative data products supporting Army logistics operations. This engineer will own the development and sustainment of data pipelines, models, and ontology within 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 currently hiring a System Engineer at Ft Belvoir, VA. Job Duties : Support the modernization and integration of the Intelligence Foundation layer aligning sensors, data, and analytics with command requirements of the US Army Intelligence and Security Command (INSCOM) needed to execute Multi-Domain Intelligence. Maintain responsibility for assessment and estimation of gap analysis, requirements, development, test, and deployment of products and systems. Work closely with customers, senior leadership within programs, and other systems engineers and development engineers to comprehend customer objectives and requirements and develop solutions from the conceptual stage through delivery and field deployment. Comprehend customer objectives, CONOPS, and requirements and translate those requirements into an executable development plan. Responsible for overseeing system definition and implementation in support of an overall system architecture for...

Description SAIC is seeking an experienced and technically skilled Senior Systems Engineer to support NSWC Crane and the Sea-Launched Cruise Missile - Nuclear (SLCM-N) program. In this role, you will perform a broad range of systems engineering activities in support of one of the Department of Defense's highest-priority nuclear modernization programs. The successful candidate will assist the Navy is directing and managing a competitive prototyping development effort and apply a complete understanding of systems engineering principles to deliver innovative, technically sound solutions that meet mission requirements within schedule and cost constraints. The Senior Systems Engineer will perform systems engineering activities including concept of operations formulation, requirements definition, analysis and engineering, system architecting, system analysis and design, interface and data architectures, validation and verification, systems integration, system and operational...

Description SAIC is seeking a Senior 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...

Description SAIC is seeking a Senior Systems Engineer to join our team at Fort Gordon, Georgia. Responsibilities : Primary duties with providing Systems Engineering support for Ground Intelligence Support Activity (GISA) Functions as the primary on-site Subject Matter Expert for GISA's Intelligence Architecture to include: Converged Infrastructure (CI) Distributed Processing, Exploitation, Dissemination (DPED) Infrastructure as a Service (IaaS) environment and Distributed Common Ground System-Army Services. Primary POC to support troubleshooting and mitigating Intelligence Architecture issues. Provides in-depth technical support to assess issues and provide solutions for problems. Capable to provide expert service support through interface with CONUS based engineers for problem resolution or new feature creation. Capable to perform root cause analysis for user problems, through duplication, using product designs, code, or specifications, as necessary....