23 systems cybersecurity engineer jobs found

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 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). Qualifications...

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 Security Engineer to support the Portsmouth Naval Shipyard (PNSY) Information Technology Programs for the Dept of the Navy. This initiative leverages advanced technologies and integrates critical defense systems to optimize ship maintenance through IT applications, systems, and training, ensuring sustained mission success in naval ship maintenance operations. Work is performed on site in Kittery, ME. ROLE: Actively monitor, detect, and respond to cybersecurity threats and incidents within an organization. Utilize advanced security tools and technologies, such as Host-Based Security System (HBSS) and Security Information Event Management (SIEM) platforms, to continuously monitor network traffic, identify vulnerabilities, and detect suspicious activities. Conduct thorough investigations of security incidents, implement incident response protocols, and coordinate remediation efforts to mitigate potential risks. Collaborate with IT teams to...

Description SAIC is seeking a Senior Cyber Security Analyst - Wasatch ISSE to support our IS Governance, Risk & Compliance organization. This role is focused on ensuring confidentiality, integrity, and availability of classified information systems and networks supporting a critical defense program at Hill AFB, Utah. The selected candidate will serve as a technical ISSE/cybersecurity expert, partnering closely with the ISSM, system owners, and mission stakeholders to engineer secure architectures, maintain compliance, and lead risk-based security initiatives. Job Duties Design, implement, and maintain security controls and architectures for classified information systems and networks, ensuring compliance with DoD and customer cybersecurity requirements. Conduct and document risk and vulnerability assessments, threat modeling, and security audits; provide mitigation recommendations to the ISSM and program leadership. Develop, update, and maintain Body of...

Overview LMI is seeking an experienced DevSecOps & Cloud Automation Engineer to support the U.S. Army Training Information System (ATIS) program. ATIS is modernizing Army training systems into a secure, cloud-native enterprise capability. Working within a SAFe Agile Release Train (ART), this hands-on individual contributor role will build, secure, maintain, and optimize the automation, infrastructure, and CI/CD capabilities that support ATIS applications in AWS GovCloud.   The ideal candidate is a self-directed technical problem solver who can independently solve complex engineering challenges, improve existing solutions, reduce unnecessary complexity, communicate clearly, and collaborate across application, cloud, architecture, and cybersecurity teams. This role requires someone who is comfortable both providing technical direction and personally implementing solutions.   LMI is a new breed of digital solutions provider dedicated to...

Overview LMI is seeking a highly skilled DevSecOps Engineer to support Army Acquisition, Training, and Readiness (AT&R) in the sustainment and enhancement of the Army Contract Writing System (ACWS). ACWS is built on the Appian Platform. This position will enable secure, repeatable delivery by designing and maintaining CI/CD pipelines, automating infrastructure provisioning, integrating security controls, and supporting scalable cloud and containerized environments. The ideal candidate is comfortable working across development, infrastructure, and cybersecurity disciplines and can translate evolving requirements into clean, scalable, secure technical implementations while supporting an Agile delivery environment. 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...

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...

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...

QED Systems, LLC, is currently recruiting an Information System Security Officer (ISSO) to join our team at Fort Hood, TX to support our customer, Project Manager Intelligence Systems & Analytics (PM IS&A). Duties: Provide expert support, analysis and research in DoD Risk Management Framework (RMF) requirements and processes to support the Army RMF process. Serve as the technical SME, Information System Security Officer (ISSO) or Information Security System Engineer (ISSE) on Army Program Of Record (POR)/Quick Reaction Capability (QRC) products. Implement and maintain compliance with DoD, Intelligence Community, NIST, Army, and Risk Management Framework (RMF) security control requirements, including DoD-I-8500, DoD-I-8510, ICD 503, NIST SP 800-53, CNSSI 1253, and Army AR 25-2. Provide technical guidance and direction on the interpretation and implementation of cybersecurity and information assurance requirements. Assess security control requirements and...

Basic Qualifications Bachelor's degree in Engineering, or a related Science or Mathematics field, plus a minimum of 8 years of relevant experience; or Master's degree plus a minimum of 6 years of relevant experience.   CLEARANCE REQUIREMENTS: Current or active Department of Defense Top Secret clearance with SCI eligibility required with ability to obtain a Polygraph is required at time of hire. Applicants selected will be subject to a U.S. Government security investigation and must meet eligibility requirements for access to classified information. Due to the nature of work performed within our facilities, U.S. citizenship is required. Responsibilities for this Position   We are seeking a highly skilled and experienced Cyber Security Analyst / SIEM Engineer to join our SPRINT Next program team in San Antonio, Texas . In this position, you will serve as a security engineer responsible for administering and...

Basic Qualifications Bachelor's degree in Systems Engineering, or a related Science, Engineering or Mathematics field, plus a minimum of 2 years of relevant experience; or Master's degree, plus 6 months of relevant experience.   CLEARANCE REQUIREMENTS: : Department of Defense Secret security clearance is required at time of hire. Applicants selected will be subject to a U.S. Government security investigation and must meet eligibility requirements for access to classified information. Due to the nature of work performed within our facilities, U.S. citizenship is required. Responsibilities for this Position ROLE AND POSITION OBJECTIVES: As a Senior Network and Cyber System Engineer on the MIT team, you will execute cybersecurity operations and network engineering tasks across secure environments. This is a dual-role position split evenly between cybersecurity engineering and network engineering. You will contribute to...

Basic Qualifications Bachelor's degree in Engineering, or a related Science or Mathematics field, plus a minimum of 2 years of relevant experience; or Master's degree, plus 6 months relevant experience.   CLEARANCE REQUIREMENTS: Department of Defense Secret security clearance is required at time of hire. Applicants selected will be subject to a U.S. Government security investigation and must meet eligibility requirements for access to classified information. Due to the nature of work performed within our facilities, U.S. citizenship is required. Responsibilities for this Position   What You’ll Experience: Hands-on work with the  system development life cycle  and  Risk Management Framework (RMF) . Implementing  Security Technical Implementation Guides (STIGs)  and running security assessments of a mission critical system. Building RMF documentation, including security plans, testing plans, and compliance...

Basic Qualifications Bachelor's degree in Engineering, or a related Science or Mathematics field, plus a minimum of 5 years of relevant experience; or Master's degree plus a minimum of 3 years of relevant experience.   CLEARANCE REQUIREMENTS: Department of Defense Secret security clearance is required at time of hire. Applicants selected will be subject to a U.S. Government security investigation and must meet eligibility requirements for access to classified information. Due to the nature of work performed within our facilities, U.S. citizenship is required. Responsibilities for this Position   What you’ll experience: • Hands-on experience with systems engineering , including creating designs, use cases, and requirements. • Developing and executing test procedures to ensure systems meet expectations. • Collaborating within integrated teams and working on security engineering tasks throughout the project life cycle. •...

Basic Qualifications Requires a Bachelor’s degree in Systems Engineering, or a related Science, Engineering, Technology or Mathematics field. Also requires 8+ years of job-related experience, or a Master's degree plus 6 years of job-related experience. Agile experience preferred.     CLEARANCE REQUIREMENTS: Department of Defense Secret security clearance is required at time of hire. Applicants selected will be subject to a U.S. Government security investigation and must meet eligibility requirements for access to classified information. Due to the nature of work performed within our facilities, U.S. citizenship is required. Responsibilities for this Position We are seeking a Systems Security Engineer who has experience in the design and development of NSA-certified Cybersecurity devices.     Key Responsibilities: Design and develop specifications for mission-critical NSA-certified Cybersecurity devices...

Basic Qualifications Requires a Bachelor’s degree in Engineering, or a related Science, Technology or Mathematics field. Also requires 5+ years of job-related experience, or a Master's degree plus 3 years of job-related experience.     CLEARANCE REQUIREMENTS:  Department of Defense TS/SCI security clearance is required at time of hire. Applicants selected will be subject to a U.S. Government security investigation and must meet eligibility requirements for access to classified information. Due to the nature of work performed within our facilities, U.S. citizenship is required. Responsibilities for this Position General Dynamics Mission Systems has an opening for an Information Assurance Engineer in Scottsdale, AZ.   Job Summary: Are you passionate about systems engineering and cybersecurity? We're looking for a skilled professional to join our team, ensuring secure, compliant, and innovative systems in a classified...

Overview LMI is seeking an Autonomous Systems Integrator with strong DoD networking expertise to support Autonomous Warfare Command staff. The Integrator designs, configures, and troubleshoots the logical networks and secure data connections that link autonomous platforms, control stations, mission software, cloud services, and tactical edge systems. The role translates operational needs into network architectures and integration plans, then works across government and industry teams to deliver reliable end-to-end connectivity and interoperability.   Networking is the primary technical discipline for this position, supported by practical software integration and cloud experience. The emphasis is on routing, virtual networks, segmentation, secure communications, application connectivity, and data exchange across mission environments, rather than primarily administering physical servers, switches, or network appliances. The ideal candidate combines hands-on...

Description SAIC is seeking a Risk Management Framework (RMF) Analyst for an Information Systems Security Officer (ISSO) position supporting the RMF requirements of the North American Aerospace Defense Command and United States Northern Command (NORAD/USNORTHCOM) Information Technology (IT) Enterprise Services (NITES) contract. The primary work location is onsite in Colorado Springs. Responsibilities: Supporting and executing the RMF process across multiple enterprise systems and enclaves by maintaining system registrations, security baselines, and evidentiary records within the Enterprise Mission Assurance Support Service (eMASS). Operating with ISSO-level ownership to independently drive continuous monitoring and Authority to Operate (ATO) sustainment, ensuring an uninterrupted and robust security posture. Ensuring cybersecurity standards and operational hygiene are consistently maintained to support a Cyber Operational Readiness Assessment (CORA)-ready posture....

Overview LMI is seeking an Information Assurance Specialist to support Army Acquisition, Training, and Readiness (AT&R) in the sustainment and enhancement of the Army Contract Writing System (ACWS). ACWS is built on the Appian Platform. This role will support cybersecurity, compliance, risk management, and system authorization activities to help ensure ACWS meets applicable Army and DoD security requirements.   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 seeking a motivated Cybersecurity Tools Administrator to join our MAJESTIC Joint Program Office (JPO) Team in support of an on-premises enterprise IT environment. This role focuses on implementing, administering, and optimizing cybersecurity toolsets centered on Trellix Endpoint Security (ENS) and integrated capabilities such as Endpoint Detection & Response (EDR), Network Detection & Response (NDR), and malware protection. The administrator will manage policy, deployment, health/compliance, telemetry, and integrations with SIEM/SOAR to strengthen enterprise security posture. All work is performed on-site in Springfield, VA. Key Responsibilities: Administer Trellix ePolicy Orchestrator (ePO): configure policies, tasks, and client assignments; perform agent deployment/updates; monitor health and compliance across Windows/Linux endpoints. Implement and maintain cybersecurity toolsets including ESS/ENS, EDR, NDR, and malware...