> Markdown version of [/jobs/ext/4601111-systems-engineer-sr-e3](https://www.wearedevelopers.com/jobs/ext/4601111-systems-engineer-sr-e3). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Systems Engineer Sr - E3 - **Company:** Lockheed Martin - **Location:** King of Prussia, PA, United States - **Experience:** Expert - **Salary:** $95,900.0 - $178,100.0 - **Contract:** Permanent contract - **Skills:** Agile Methodology, Amazon Web Services, Data Analysis, Systems Engineering, Microsoft Azure, Systems Analysis, OpenStack, Scrum Methodology, Verification and Validation (Software), Subsystems, Systems Architecture, System Testing, Systems Integration, Google Cloud, Cloud Platform System, Gitlab, Kubernetes, Information Technology, Rancher, Atlassian Tools, Free and Open-Source Software, Docker - **Published:** November 6, 2026 - **Apply:** https://www.jobmonkeyjobs.com/career/28164793/Systems-Engineer-Sr-E3-Pennsylvania-King-Prussia-1301 ## About the Role * Recent Systems Engineering experience (e.g., data analysis, requirements development, systems testplanning/execution, requirements analysis and verification, integration, etc.) * Demonstrated experience with applying systems engineering principles, concepts, and methods * Experience working on large-scale, agile software projects with multiple teams and stakeholders * No clearance needed to start but must be able to obtain and maintain a TS/SCI clearance Desired Skills * Demonstrated experience with system integration, verification, and validation * Develop and implement system test plans, procedures, and protocols * Support the integration, verification, and validation of systems and subsystems * Develop and maintain system architecture, design, and performance requirements in an Agileenvironment * Perform system analysis, modeling, simulation, and trade studies * Experience with Agile tools, such as JIRA and Confluence * Experience with cloud environments (AWS, Azure, Openstack, GCP, etc.) or traditional IT systems * Excellent communication and interpersonal skills, with the ability to work effectively in a teamenvironment * Strong problem-solving and analytical skills, with attention to detail and ability to think critically * Ability to adapt to changing priorities and deadlines, with a focus on delivering high-quality results * Familiarity with the Space Domain * Active TS/SCI security clearance ## Description * Generating and simulating operational level plans to explore the art of the possible, how we could defend the ultimate high ground in a future space war * Dynamically optimizing both terrestrial and space-based sensors to provide comprehensive space domain awareness * Strategically optimizing the placement and maneuvering of constellations of satellites to satisfy multiple, evolving priorities Our team leverages industry standard open-source software solutions such as GitLab, Kubernetes, Docker, and Rancher. Our automation-first and "everything as code" mindset allows our software engineers to focus their time and efforts on what is most important - building cutting edge functionality for our end users. As an engineer on an Agile Scrum Team, you will have the opportunity to rapidly develop and deploy solutions for a complex space system following core engineering principles, ultimately enabling the delivery of fully functioning mission capability to end users securely and continuously., Performs technical planning, system integration, verification and validation, cost and risk, and supportability and effectiveness analyses for total systems. Analyses are performed at all levels of total system product to include: concept, design, fabrication, test, installation, operation, maintenance and disposal. Ensures the logical and systematic conversion of customer or product requirements into total systems solutions that acknowledge technical, schedule, and cost constraints. Performs functional analysis, timeline analysis, detail trade studies, requirements allocation and interface definition studies to translate customer requirements into hardware and software specifications. For positions that perform IT responsibilities, use E646, Systems Engr-IT.