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57 senior security engineer jobs found

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Information Technology 214 senior security engineer
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ECS
Mar 19, 2026
Senior Cyber Security Engineer
ECS MD
ECS is seeking a Senior Cyber Security Engineer to work at our Ft. Meade, MD customer site in a full-time, onsite capacity. ECS is seeking a Senior Cyber Security Engineer to support robust Impact Level (IL) 5 and IL6 programs in an operational DoD environment that houses multiple U.S. Coalition Mission Partner Environments (MPE). The Senior Cyber Security Engineer is a high-level technical authority responsible for designing, implementing, and defending infrastructure to protect MPE's networks, systems, and data. The Senior Cyber Security Engineer will deploy security tools (firewalls, IDS/IPS), conduct vulnerability assessments, automate threat detection, manage cloud/hybrid environments, lead incident response efforts to mitigate cyber threats, and ensure systems and tools comply with strict regulatory frameworks such as RMF and STIGs. This position is a demanding, high-energy role that requires innovative ideas to building, deploying, and managing robust security...
SAIC
Mar 18, 2026
Senior Crypto Security Engineer
SAIC CA
Description JOB DESCRIPTION: SAIC is seeking a motivated and experienced Cryptography Subject Matter Expert to join our team in El Segundo, CA. SAIC is sub-contractor on the Military Satellite Communications (MILSATCOM) Systems Engineering, Integration and Test (MSEIT) contract. The MSEIT effort provides leading-edge Systems Engineering & Integration (SE&I) for the United States Space Force's (USSF) Space Systems Command (SSC). We acquire state-of-the-art Military and Commercial Satellite Communications (SATCOM) systems, providing global, secure, survivable, and protected communications for our nation's warfighters. We seek technical individuals who will thrive in a highly collaborative work environment of small teams, using the most modern tools and methodologies to tackle the challenges of integrating complex space and ground communications systems. Key Responsibilities: Provide technical expertise in the development, integration, and delivery of both space and...
ECS
Mar 25, 2026
Sr Forescout Engineer
ECS VA
ECS is seeking an Sr Forescout Engineer to work remotely. This role will primarily be remote, however, it will require occasional support for Deployment of Comply to Connect (C2C) at various Army bases, CONUS and OCONUS. We are currently seeking a talented Sr. Forescout Engineer to join our team. This role will provide engineering support and documentation to create a healthy security posture implementing Comply-To-Connect for our delivered Managed Service supporting the US Army. In this role, you will focus on design, integration, and deployment. You will provide tactical and strategic input on improving overall network operations and Network Access Control using Forescout. The selected candidate must be well versed in architectural best practices and applying them across a breadth of technologies to solve an organizational problem. You should be capable of articulating your views on the future development of technology to varying audiences, and you should understand the...
SAIC
Mar 25, 2026
Senior Database Developer
SAIC VA
Description SAIC is searching for a motivated, career and customer-oriented Senior Database Engineer who performs high-level, day-to-day software testing solutions to join our team and begin an exciting and challenging career. This is a 100% Remote role. Responsibilities: Establishes database management systems, standards, requirements, guidelines and quality assurance for database deliverables, such as conceptual design and architecture, logical database, capacity planning, external data interface specification, data loading plan, data maintenance plan and security policy. Works with clients to translate business requirements into a logical model that will accurately support and represent the client s entity relationship and flow of data. Develops the appropriate database framework to convert the logical model into a physical model including the creation and maintenance of schemas containing windows, screens, tables and columns and reports that support the model; and...
SAIC
Mar 25, 2026
Satellite Program Manager
SAIC VA
Description Join a winning team!! SAIC's National Security and Space (NSS) Sector 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 Satellite SETA Program Manager for a large, multi-year contract supporting a cutting-edge and innovative space program. The Satellite SETA Program Manager must possess, and have successfully demonstrated, Contracts Office Technical Representative expertise, experience managing cost, schedule, and technical performance. Requires excellent oral and written communication skills, problem-solving skills, and the interpersonal skills. The Satellite SETA Program Manager will partner with the Government PM and subsystem Subject Matter Experts (SME) to effectively plan, organize...
SAIC
Mar 25, 2026
Lead Systems Engineer
SAIC VA
Description SAIC is seeking Lead Systems Engineer for a Lead Systems Integrator (LSI) Team supporting the Department of the Air Force Integrated Fires Command and Control (DIFC2) program of record. As the Lead Systems Engineer, you will provide oversight and expertise in the design, development, and integration of sophisticated systems to meet the requirements of a critical system of systems. This position will lead cross-functional engineering teams, partner with stakeholders, and ensure compliance with program goals and objectives. The ideal candidate will bring technical depth, leadership skills, and a track record of developing solutions in classified systems and environments. The position requires an individual with strong technical project management skills. The successful candidate will have excellent communication, team leadership skills and DoD technical project management experience. They will be expected to continually balance and adjust work priorities to meet short...
SAIC
Mar 25, 2026
Senior Field Support Engineer
SAIC CO
Description SAIC is seeking a Senior Field Support Engineer to join our team in Colorado Springs, CO. The Indicium Product Office is seeking candidates to represent and operate Network, System Integration and Test Environment (NSITE) software. Support typically involves Missile Defense Agency test execution activities (Flight Tests, Ground Tests and Wargames/Exercises). The candidate should also have the ability to perform hardware integration and maintenance, have a basic understanding of computer networking, and a general understanding of computer hardware troubleshooting. The candidate will also be responsible for conducting validating configuration management documentation in support of information assurance certification and accreditation activities. The candidate should be a self-starter and be able operate with minimal supervision. The candidate will support S3I, Redstone Arsenal, Huntsville, Alabama or MDIOC, Schriever SFB, Colorado Springs. Duties and...
SAIC
Mar 25, 2026
Cyber Engineer
SAIC CA
Description SAIC is looking for a Cybersecurity Specialist to support a Navy contract located in San Diego, CA . This position supports the Assessment and Authorization (A&A) cybersecurity efforts for NIWC PAC code 82000 to support the Research, Development, Test & Evaluation (RDT&E) network. The Cybersecurity Vulnerability Analyst II will serve as a Risk Management Framework (RMF) Subject Matter Expert (SME) for all network security architectures, designs, implementations, and operations within 3 NIWC Pacific RDT&E systems, networks, and applications. Additionally, the position will provide engineering and technical support for the testing of systems, software, tools and products while identifying operational and functional requirements of new, developing and existing systems and develop a system security approach, which includes but not limited to defining potential threats, vulnerabilities, safeguards, and risk factors. THIS IS A HYBRID/REMOTE ROLE,...
ECS
Mar 19, 2026
Security Engineer
ECS VA
ECS is seeking a Security Engineer to work in our Fairfax, VA office in a hybrid onsite/remote capacity. ECS is seeking a seasoned Security Engineer to support robust Impact Level (IL) 5 and IL6 programs in an operational DoD environment that houses multiple U.S. Coalition Mission Partner Environments (MPE). The Security Engineer is a critical role responsible for implementing, optimizing, and maintaining an Azure Sentinel Security Information and Event Management (SIEM) solution; ensuring optimal log ingestion into the Enterprise SIEM; and providing expertise on all security-related functions within the environment. The Security Engineer reports to the Project Manager and acts as a senior member of a multidisciplinary organization that delivers excellence in AI/ML innovation in on-premises and cloud-native environments. The Security Engineer position is a demanding, high-energy role that requires a blend of leadership, strategic, and technical acumen to drive program...
ECS
Mar 19, 2026
ICAM SME / Engineer
ECS MD
ECS is seeking an Identity Credential and Access Management (ICAM) Subject Matter Expert (SME)/Engineer to work in our Ft. Meade, MD office in an onsite capacity. ECS is seeking an ICAM SME/Engineer (ICAM SME/E) to support robust Impact Level (IL) 5 and IL6 programs in an operational DoD environment that houses multiple U.S. Coalition Mission Partner Environments (MPE). The ICAM SME/E will help clients understand emerging technical solutions relative to client policies and operational requirements and apply analytical and innovative strategies to develop solutions to address client needs. The candidate will contribute to technical artifacts and thought leadership for IAM tools relating to Credential Management, Public Key Infrastructure, Alternate Credentials, Directory Services, Authentication solutions, and ICAM integrations. This position is a demanding, high-energy role that requires innovative ideas to manage identities, credentials, and access across Mission...
ECS
Mar 19, 2026
Senior Site Reliability Engineer
ECS VA
ECS is seeking a Senior S ite Reliability Engineer to work in our Fairfax, VA office. ECS is seeking talented professionals to join our successful and growing team in building the next-generation Continuous Diagnostics and Mitigation (CDM) Cyber data solution. The CDM Program is the Cybersecurity and Infrastructure Security Agency's (CISA) dynamic approach to strengthening the cybersecurity of Federal networks and systems through better awareness and visibility into their security posture and cyber threats. ECS is responsible for designing, building, deploying, operating, and maintaining a complete 'Data Services' solution which includes the collection, normalization, visualization, and sharing of cyber data from more than 100 Federal agencies. The CDM Data Services product is an integrated suite of multiple Commercial Off the Shelf (COTS) products, software configuration packages, and custom code which work together to operate as an integrated solution tailored to meet...
ECS
Mar 19, 2026
Elastic Engineer
ECS VA
ECS is seeking an Elastic Engineer to work in our Fairfax, VA office or Remotely . ECS is seeking talented professionals to join our successful and growing team in building the next-generation Continuous Diagnostics and Mitigation (CDM) Cyber data solution. The CDM Program is the Cybersecurity and Infrastructure Security Agency's (CISA) dynamic approach to strengthening the cybersecurity of Federal networks and systems through better awareness and visibility into their security posture and cyber threats. ECS is responsible for designing, building, deploying, operating, and maintaining a complete 'Data Services' solution which includes the collection, normalization, visualization, and sharing of cyber data from more than 100 Federal agencies. The CDM Data Services product is an integrated suite of multiple Commercial Off the Shelf (COTS) products, software configuration packages, and custom code which work together to operate as an integrated solution tailored to meet...
Southeastern Computer Consultants, Inc. (SCCI)
Mar 19, 2026
Senior Cybersecurity Engineer
Southeastern Computer Consultants, Inc. (SCCI) VA
Overview SCCI is seeking a Senior Cybersecurity Engineer to join our team! The Senior Cybersecurity Engineer is a key member of the Information Technology team, responsible for designing, implementing, and managing advanced security technologies and practices to protect SCCI’s data and assets. This role requires a strong technical foundation, a deep understanding of current threat landscapes, and the ability to quickly respond to security incidents to enhance our overall security posture. The Senior Cybersecurity Engineer also provides guidance to junior team members and collaborates with other departments and personnel to ensure cybersecurity is properly integrated across all IT and business functions. The successful Candidate will report directly to the Director of IT and serve as senior manager on the IT staff, working closely with the Systems Engineer, Network Engineer, ISSO, ISSM, and Help Desk Supervisor to provide secure integrated solutions. This position is...
SAIC
Mar 18, 2026
Web Cloud Engineer
SAIC IL
Description SAIC is seeking a Cloud Engineer to support an IT Service Management effort for USTRANSCOM located at Scott Air Force Base (AFB) in Illinois. The USTC Managed Information Technology Services (MITS) contract is intended to provide strategic, technical, and program management guidance and support services to facilitate the operations and modernization of the combatant command's infrastructure, systems, and applications. This support will be provided to the USTC Command, Control, Communications & Cyber Systems Directorate (TCJ6). The successful candidate initiates, supervises, and/or develops requirements from a project's inception to conclusion for complex to extremely complex programs; Provides strategic advice, technical guidance and expertise to program and project staff; Provides detailed analysis, evaluation and recommendations for improvements, optimization development, and/or maintenance efforts for client-specific or mission critical challenges/issues;...
SAIC
Mar 18, 2026
Senior Systems Engineer
SAIC FL
Description SAIC is seeking a Senior Systems Engineer to support the US Navy in Tampa, FL. This position will provide IT engineering and technical support to USCENTCOM for the research, design, development, installation, operation, and maintenance for physical and electronic security systems and components, as well as the IT systems and network infrastructure which support such systems. Physical and electronic security systems are comprised of major components from vendors including AMAG, Genetec, Motorola (Pelco), and Axis. Supporting IT systems and infrastructure include Dell EMC servers, workstations, thin clients, and network attached storage, Microsoft Windows Server, Active Directory, group policy, client operating systems (Windows 10/11), and Microsoft Office suite, Cisco network infrastructure, and Vertiv (Avocent) IP KVM devices. JOB RESPONSIBILITIES: Perform installation, upgrades, maintenance, and facilitate lifecycle replacement of IT systems Coordinate,...
SAIC
Mar 18, 2026
Senior Data Engineer
SAIC CA
Description SAIC is seeking a Senior Data Engineer with an Active TS/SCI clearance in support of NAVWAR's Naval Operational Architecture (NOA) program in San Diego, CA. The Senior Data Engineer will to support a transformational, Navy-led network-centric initiative that converges existing systems, automating the correlation of multiple ISR data streams, dramatically reducing the "sensor-to-shooter" timeline. This is a recently awarded contract, funded for five years. Work is performed on site in San Diego, CA. There will be up to 15% of travel required Please view our program page for more information and to view all open positions available: company website JOB DUTIES: Collaborate with cross-functional teams to understand and address Navy operational challenges using data pipelines and analytics. Design, develop, and implement data pipelines and analytics for naval applications. Perform exploratory data analysis, algorithm development, and testing....
SAIC
Mar 18, 2026
SharePoint Administrator Senior
SAIC DC
Description The Senior SharePoint Designer/Administrator will support the Vanguard 2025 contract in the Network Technologies office of US Department of State. The SharePoint Designer/Administrator will report to the Vanguard Program Management Office and will assist in the daily application management, administration, and project-oriented support of relevant frontend SharePoint tenant environments and Power Platform workspaces. This is not a backend infrastructure/architecture/hardware/server administrator position. This role is primarily remote, but candidate must be located within the Washington, DC metro area to report into the office (Washington, DC or Springfield, VA) as needed on short notice. Description of Duties: Designs and implements tools and technologies to promote knowledge management and collaboration within the organization Serve as point of contact and Tier 1-3 support for Microsoft SharePoint Online service requests Perform routine and complex...
SAIC
Mar 18, 2026
Senior Platform Engineer (OpAI)
SAIC CA
Description SAIC is seeking a Senior Platform Engineer . As a Senior Platform Engineer with an Active Top Secret Clearance supporting Naval Operational Architecture (NOA) program in San Diego, CA . The Senior Platform Engineer will play a critical role in operationalizing AI for next-generation naval platforms and systems. You'll focus on building and managing secure, scalable cloud-based environments to support advanced analytics, AI/ML workloads, and autonomous systems. This position involves hands-on engineering with cutting-edge technologies, close collaboration with cross-functional teams, and direct support of mission-critical DoD capabilities. Your work will directly enhance the warfighter's ability to execute distributed maritime operations and maintain tactical superiority. Work is performed ON-SITE in San Diego, CA. There will be under 15% of travel required. JOB DUTIES: Design, build, and maintain secure cloud infrastructure within AWS GovCloud environments....
SAIC
Mar 18, 2026
Software Engineer
SAIC VA
Description SAIC has an immediate need for a Mid to Senior Full Stack Software Engineer with expertise in Java, C#, React and NiFi to support the Department of Defense (DoD) with the Defense Readiness Reporting System (DRRS) Sustainment system. The ideal candidate should possess deep technical acumen, thrive in a collaborative environment, and have the ability to deliver robust, scalable, and innovative solutions. While proficiency in all the listed technologies is ideal, we are also open to candidates who are highly skilled in some with a willingness to learn others. As a Software Engineer, you will play a key role in designing, developing, and maintaining enterprise-level applications. You will work closely with cross-functional teams to deliver high-quality software solutions aligned with organizational goals and user needs. NOTE: This position will be 100% remote. Key Responsibilities: Design, develop, and maintain reliable, scalable, and secure applications...
SAIC
Mar 18, 2026
Systems Engineer SME
SAIC IL
Description SAIC is seeking a Systems Engineer for the Cloud team to support an IT Service Management effort for USTRANSCOM located at Scott Air Force Base (AFB) in Illinois. The USTC Managed Information Technology Services (MITS) contract is intended to provide strategic, technical, and program management guidance and support services to facilitate the operations and modernization of the combatant command's infrastructure, systems, and applications. This support will be provided to the USTC Command, Control, Communications & Cyber Systems Directorate (TCJ6). The successful candidate initiates, supervises, and/or develops requirements from a project's inception to conclusion for complex to extremely complex programs; Provides strategic advice, technical guidance and expertise to program and project staff; Provides detailed analysis, evaluation and recommendations for improvements, optimization development, and/or maintenance efforts for client-specific or mission critical...
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