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Cyber Systems Security Engineering Sr - E3 Security Clearance

Job in Fort Worth, Tarrant County, Texas, 76101, USA
Listing for: Lockheed Martin
Full Time position
Listed on 2026-08-28
Job specializations:
  • IT/Tech
    Systems Engineer, Cybersecurity
  • Engineering
    Systems Engineer, Cybersecurity
Job Description & How to Apply Below
Position: Cyber Systems Security Engineering Sr - E3 with Security Clearance
Job Number 855 Standard

Job Description Company Overview:
At Lockheed Martin, we unite passionate individuals to drive purposeful innovation, ensuring safety and solving the worlds most complex challenges. Our team comprises some of the brightest minds in the industry, making Lockheed Martin an exceptional place to work. We prioritize our employees by offering many career opportunities that promote development and agility. With flexible schedules, competitive pay, and comprehensive benefits, we empower our employees to lead healthy, fulfilling lives both at work and beyond.

At Lockheed Martin, we emphasize innovation, integrity, and corporate responsibility. Your mission is ours.

Key Responsibilities:

The Cyber Systems Security Engineer Sr will be responsible for leading a team of fellow engineers in the designing, assembly, integration, and maintenance of System Integration Lab (SIL). This includes network planning, hardware installation, software integration support, verification, and validation of system functionality. In addition to designing and building the SIL, the applicant will be responsible for ensuring the SIL NIST/RMF/JSIG compliant and assist in the submitting of an ATO package.

They will be involved in solving complex problems associated with both the hardware and software systems. Work will also include modification, and maintenance of system drawings (network architecture, layout, cable drawings, rack drawings).
• Perform and manage system integration, test and troubleshooting of various hardware/software configurations
• Installing, and managing of equipment in server racks and updating the inventory
• Establish Hardware-In-The-Loop (HWIL)/Closed-Loop development and testing in the Systems Integration Lab (SIL)
• Participate in technical exchange meetings, interface with customers (internal/external) and contributing to a broad range of program deliverables.
• Integrating hardware from sub-system teams, interface with other elements, and the system and segment level teams
• Apply the principles of engineering to design components and systems using applicable standards and specifications
• Maintain design documentation and follow configuration management requirements Must be a US Citizen.;
This position will require a government security clearance.;
This position is located at a facility that requires special access. Responsible for applying an interdisciplinary, collaborative approach to plan, design, develop, validate and verify Cyber solutions across the lifecycle. Conduct cyber risk assessment activities including threat modeling, vulnerability analysis and analysis of mitigation solutions. Coordinates and addresses Supply Chain risk management concerns. Develop, evaluate and analyze design constrains, trade-offs and detailed system and security design as they pertain to the Cyber domain.

Coordinate with Cyber and system architects and developers to provide oversight in the development of solutions. Conduct cybersecurity test and evaluation of hardware and/or software designs to verify and validate compliance with defined specifications and requirements. Employs cyber security processes, methods, techniques and tools and assure their consistent application. Implements appropriate Assessment and Authorization activities as required by customers. Basic Qualifications
* Proven experience with enterprise-grade security platforms.

* Strong background in operating systems, including Windows Server (2016/2019/2022) and Linux distributions (RHEL)

* Hands-on expertise with VMware virtualization technologies.

* Solid understanding of networking fundamentals, particularly routing and switching protocols and architectures

* Demonstrated ability to perform system hardening, vulnerability remediation, and security configuration management

* Experience providing end-user support and responding to security incidents

* Willingness and availability to provide after-hours or on-call support as needed.

* DOD 8570 certifications such as CompTIA Security+, CASP, CISSP or CCNP-Security. Desired Skills Capable of completing any additional enhanced security reviews required by government contracts;…
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