247 cybersecurity engineer jobs found

Description SAIC is seeking a motivated and ambitious UAS (Unmanned Aircraft Systems) Cybersecurity Engineer to join the Software, Simulation, Systems Engineering and Integration Directorate (S3I) Joint Technology Center - Systems Integration Lab (JSIL) Tech Center. The UAS Cybersecurity Engineer will perform hardware, software, and operating system hardening and documentation for UAS systems and associated subsystems. The candidate will sit at our customer site in Huntsville, AL. Job Duties: Perform software and system installation, configuration, and troubleshooting of commercial and government software for system development, scanning, and hardening. Conduct software application source, hardware component, and operating system scans to identify system vulnerabilities. Conduct system configuration changes to resolve system vulnerabilities including changes to Microsoft Windows and UNIX-based operating system configuration files. Conduct Cybersecurity...

Overview We are looking for a Cybersecurity Engineer to design and guide secure system architectures that can achieve and sustain federal cybersecurity authorization. This role focuses on translating complex regulatory frameworks into practical architecture patterns that enable platforms and applications to meet the rigorous expectations of federal security programs. You will operate at the intersection of security architecture, DevSecOps, and Governance, Risk, and Compliance (GRC)—ensuring systems are architected for authorization success while also guiding the documentation, risk management, and programmatic processes required to achieve and maintain compliance.   This role is ideal for an experienced security architect or senior federal cybersecurity professional who understands both federal authorization frameworks and modern cloud/software architectures, and who can bridge engineering teams, security governance functions, and government stakeholders....

Position: Senior Cybersecurity Engineer Job Description: Key Responsibilities : Conducts risk assessments, vulnerability scans, pen-testing, and source code review, and provides recommendations for remediation. Collaborates with IT, DevOps, and software development teams to integrate security into the software development lifecycle. Reviews/monitors company IT systems, security alerts, and suspicious activities. Investigates security incidents. Maintaining the InfoSec Program documentation. Provides information security education. Requirements and qualifications : Professional experience in web pen-testing, risk assessment, vulnerability, DAST, SAST scan, and security incident investigation. Web Application Security Certification is preferred. Experience with programming/scripting. Strong knowledge of networking protocols, operating systems (Windows, Linux), and their security configurations. Professional experience implementing and managing security...

Job Overview & Responsibilities Mythics is looking for a Cybersecurity Engineer to support the implementation of the Zero Trust Reference Architecture (ZTRA) and Comply-to-Connect (C2C) cybersecurity solution at STRATCOM. This engagement involves deploying, operating, and sustaining the Forescout CounterACT platform to enforce cyber policies, monitor endpoint compliance, and automate security enforcement across multiple networks. Must work onsite at the client M-F in Omaha, NE.   Responsibilities and Essential Duties Deploy, troubleshoot, and maintain Forescout CounterACT appliances Integrate Forescout with third-party tools (e.g., Carbon Black, Palo Alto, McAfee) Develop custom content and scripts (Python, PowerShell) Monitor system health and ensure operational continuity Support endpoint compliance and vulnerability management Complete DISA-provided Forescout training within 4 weeks of assignment   Other Duties...

Description SAIC® is a premier Fortune 500® mission integrator focused on advancing the power of technology and innovation to serve and protect our world. Our robust portfolio of offerings across the defense, space, civilian and intelligence markets includes secure high-end solutions in mission IT, enterprise IT, engineering services and professional services. We integrate emerging technology, rapidly and securely, into mission critical operations that modernize and enable critical national imperatives. We are seeking a highly motivated Information System Security Officer (ISSO) to conduct research and analysis for our NGA N2W customer. This role is responsible for advising on network and information system security principles and best practices, advise on applicable government IC and Agency IT policies, procedures and operation instructions for IT, Information Assurance, and Information Management (IT/IA/IM), and perform periodic security scanning as required by the Office...

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 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 SAIC is seeking a skilled and motivated Cyber Network Defense (CND) Engineer to join our MAJESTIC Joint Program Office (JPO) Team in support of a critical on-premises enterprise IT environment. As a CND Engineer, you will play a key role in assessing, managing, and improving the security posture of enterprise IT infrastructure, ensuring compliance with cybersecurity standards, and mitigating vulnerabilities and threats to the organization. This role requires a blend of auditing, analytical, and operational skills to ensure systems are compliant, secure, and well-prepared to counter threats. You will be instrumental in designing systems that support operations and intelligence collection capabilities while leveraging advanced tools, thorough assessments, and proactive defense measures. This position is reserved for those who are passionate about cybersecurity and protecting critical networks. All work must be performed on-site in Springfield, VA. Key...

Description SAIC is seeking a skilled and motivated Cyber Network Defense (CND) Analyst to join our MAJESTIC Joint Program Office (JPO) Team in support of an on-premises enterprise IT environment. As part of a subcontract supporting a critical customer, the candidate will perform assessments of systems and networks to identify deviations from acceptable configurations, enclave policy, or local policy, while evaluating incident response procedures and capabilities. Responsibilities include exploiting system and network vulnerabilities to gather data from target systems. This role involves working within a complex environment of virtualized Windows and Linux servers, SQL Server databases, Oracle databases, and comprehensive networking layers to protect mission-critical systems and infrastructure. All work must be performed on-site in Springfield, VA. Key Responsibilities: Perform assessments of systems and networks within the networking environment or enclave to identify...

Description SAIC is looking for a Cybersecurity Engineer to support our team at Crane NSWC in Crane, IN. Candidates will be required to Lead the development, update, and submission of the RMF packages inside government repositories (e.g., eMASS). Conducts security control assessments, draft Plans of Action and Milestones (POA&Ms), and maintains system continuous monitoring strategies. Performs automated and manual vulnerability assessments using tools like ACAS (Nessus) and SCAP. Serves as the primary bridge between the software development/systems engineering team and the Information System Security Manager (ISSM). Assists in analyzing security logs, detecting anomalies, and providing system-level technical support during incident response or forensic investigations. Applies system security engineering principles to implement secure designs, secure configurations, and boundary defenses (firewalls, IDS/IPS, access controls)....

Description: WHAT WE’RE DOING At Lockheed Martin - Rotary and Mission Systems, we're shaping the future of Undersea Warfare (USW) systems. Our mission is to develop innovative technologies that secure our nation’s defense. We are integrating state-of-the-art cybersecurity solutions into mission-critical systems to ensure resilience, integrity, and continued superiority under the sea and across domains. THE WORK As a Cyber Systems Security Engineer, you will take a leadership role in enhancing cybersecurity across SWFTS (Submarine Warfare Federated Tactical Systems). You’ll drive the development and integration of modern cyber solutions that protect and empower critical Department of Defense (DoD) assets. Key responsibilities include: Designing, implementing, and maintaining security controls to protect system confidentiality, integrity, and availability Leverage guidance from Risk Management Framework (RMF), Security Requirements Guides (SRG), and Security Technical...

Overview LMI is seeking an experienced, hands-on Enterprise MuleSoft Integration Engineer / Architect to support Project Manager Logistics-Finance (PM LOG-FIN) and the U.S. Army with digital modernization and integration initiatives. Th is role will lead the design, development, deployment, scalability, and central management of a unified, enterprise-wide MuleSoft Anypoint Platform. Th is position will drive the evolution of a n enterprise data hub and gateway solution, securely exposing application programming interfaces ( APIs ) and data services across critical Army logistics and financial e nterprise r esource planning (ERPs) systems , authoritative data sources , and external trading partners. O bjectives include moderniz ing complex, custom legacy point-to-point interfaces into scalable, modular API-led services to accelerat e mission readiness, financial 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 Information System Security Manager (ISSM) to assist the Lead Cybersecurity...

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 intel  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 Network Engineer to design, build, maintain, and sustain classified network...

Description This role requires a versatile Engineer to provide comprehensive technical and systems engineering support for Electronic Warfare (EW) systems in the Expeditionary Electronic Warfare Division (MXQ) at NSWC Crane. This position bridges the gap between complex engineering operations and technical communication --translating system designs, test data, and integration efforts into actionable, highly accurate documentation for Government and technical stakeholders. Key Duties & Responsibilities: Provide comprehensive engineering support for EW systems, subsystems, hardware, and software Drive requirements definition, allocation, traceability, system design, and engineering analysis Develop systems integration documentation, including interface requirements, Interface Control Documents (ICDs), data flows, and communication boundaries Translate complex technical data into clear, concise, and accurate documentation for Government audiences Author, review, and...

Description SAIC is looking for an IT Systems Engineer to support our US Navy customer provide engineering and technical support for the CND Deployer Toolkit (CDT) and Defensive Cyber Operations Infrastructure (DCOI). The ideal candidate will be required to have solid experience in SPLUNK, RHEL/LINUX This position is located at NAVWAR Old Town Campus in San Diego, CA and will require up to 50% CONUS and OCONUS travel. Must be local to San Diego, CA to be considered JOB DUTIES: Support production integration, requirements gathering, system engineering, design and architecture, and self-service technology development. Modify, implement, and integrate solution sets with appropriate DCO enclave technologies, conduct interoperability testing, and provide technical input for deficiency correction and production process improvements. Support the documentation and maintenance of system baselines, leveraging Agile DevOps methodologies and modular software design...

Description SAIC is seeking an expert-level Senior Principal Information Systems Security Engineer (ISSE) to support DoD enterprise IT and network modernization programs in one of the following locations and is required to be local: the National Capital Region, San Diego, CA, Norfolk, VA, or Charleston, SC. This role serves as a senior principal individual contributor and subject matter expert responsible for leading the development, management, and authorization of Risk Management Framework (RMF) packages across both unclassified and classified environments in direct support of DoD enterprise IT and digital transformation missions. The ideal candidate is a recognized expert in DoD RMF processes with deep hands-on experience navigating Navy program office authorization workflows, eMASS system management, and ATO package development. This position requires direct engagement with senior government leadership, program offices, engineering teams, and authorizing officials...

Description SAIC is seeking an expert-level Senior Principal Information Systems Security Engineer (ISSE) to support DoD enterprise IT and network modernization programs in one of the following locations and is required to be local: the National Capital Region, San Diego, CA, Norfolk, VA, or Charleston, SC. This role serves as a senior principal individual contributor and subject matter expert responsible for leading the development, management, and authorization of Risk Management Framework (RMF) packages across both unclassified and classified environments in direct support of DoD enterprise IT and digital transformation missions. The ideal candidate is a recognized expert in DoD RMF processes with deep hands-on experience navigating Navy program office authorization workflows, eMASS system management, and ATO package development. This position requires direct engagement with senior government leadership, program offices, engineering teams, and authorizing officials...

Description SAIC is seeking an expert-level Senior Principal Information Systems Security Engineer (ISSE) to support DoD enterprise IT and network modernization programs in one of the following locations and is required to be local: the National Capital Region, San Diego, CA, Norfolk, VA, or Charleston, SC. This role serves as a senior principal individual contributor and subject matter expert responsible for leading the development, management, and authorization of Risk Management Framework (RMF) packages across both unclassified and classified environments in direct support of DoD enterprise IT and digital transformation missions. The ideal candidate is a recognized expert in DoD RMF processes with deep hands-on experience navigating Navy program office authorization workflows, eMASS system management, and ATO package development. This position requires direct engagement with senior government leadership, program offices, engineering teams, and authorizing officials...

Description Join a winning team!! SAIC's Space and Intelligence Business Group is currently hiring to advance space capabilities supporting our Department of Defense (DOD) and Intelligence Community customers. Ten miles from the SAIC headquarters, our Chantilly, VA team supports systems development, targeting & intelligence analysis, systems engineering & integration and more. This position is for a Systems Engineer for a large contract supporting a cutting-edge and innovative space program. The Systems Engineer will oversee the coordination, technical guidance, and operational assurance of ground communications systems for mission-critical spacecraft operations. This position provides support to the customers' execution of the Program with responsibilities that may include, but are not limited to the following: Role Responsibilities: Lead systems engineering activities for the ground communications segment, including requirements analysis, architecture...