> Markdown version of [/jobs/ext/1420675-software-engineer-sr-level-3](https://www.wearedevelopers.com/jobs/ext/1420675-software-engineer-sr-level-3). 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). --- # Software Engineer Sr - Level 3 - **Company:** Lockheed Martin - **Location:** King of Prussia, PA, United States - **Experience:** Expert - **Salary:** $93,200.0 - $164,450.0 - **Contract:** Permanent contract - **Skills:** HTML, JavaScript (Programming Language), Apache ActiveMQ, Agile Methodology, Automation of Tests, C Sharp (Programming Language), Continuous Integration, Software Debugging, Python (Programming Language), Scrum Methodology, Software Engineering, Web Applications, Web Services, Cloud Platform System, Gitlab, Kubernetes, Rancher, Free and Open-Source Software, Restful APIs, Docker - **Published:** July 24, 2026 - **Apply:** https://www.clearancejobs.com/jobs/9055614/software-engineer-sr-level-3 ## About the Role 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 Experience designing and documenting microservice-based architectures Demonstrated proficiency in software development using Javascript, HTML, Python, and/or C# Understanding / proficiency in application containerization (e.g. Docker, Kubernetes, etc.) Strong critical thinking and problem solving skills Ability to communicate effectively and work in a collaborative environment Strong Presentation Skills No Clearance Required to Start but must have the ability to obtain and maintain a TS/SCI security clearance (Must be a US Citizen) Experience with Compass Mission Planning Systems Experienced with Horizon software application providing command and control services for satellites, antennas, and ground hardware assets Experience with C2 Systems Experience with telemetry system implementation or fluency to work in decommutation and commutation libraries Experience with Cloud environments Experience integrating software components via machine-to-machine interfaces (e.g., RESTful APIs, ActiveMQ, etc.) Experience with test automation and continuous integration and deployment Strong background developing / debugging and/or testing of web applications and web services Demonstrated experience working in Agile teams leveraging Scrum, Kanban or other methodologies and/or understanding of Agile development concepts #LMSpaceSoftwareEng #SpaceSecurity This position requires a government security clearance, you must be a US Citizen for consideration. ## Related Videos - [The Resilience of the World Wide Web](https://www.wearedevelopers.com/videos/1281-the-resilience-of-the-world-wide-web) - [Docker Compose: Rediscovered](https://www.wearedevelopers.com/videos/1978-docker-compose-rediscovered) - [WeAreDevelopers LIVE - Modern DevOps for IoT Devices and More](https://www.wearedevelopers.com/videos/1805-wearedevelopers-live-modern-devops-for-iot-devices-and-more) - [Security Pitfalls for Software Engineers](https://www.wearedevelopers.com/videos/726-security-pitfalls-for-software-engineers) - [Enabling automated 1-click customer deployments with built-in quality and security](https://www.wearedevelopers.com/videos/83-enabling-automated-1-click-customer-deployments-with-built-in-quality-and-security) - [NoLoJS - Avoiding JavaScript Cruft with HTML and CSS - Aaron T. Grogg](https://www.wearedevelopers.com/videos/1806-nolojs-avoiding-javascript-cruft-with-html-and-css-aaron-t-grogg) ## Related Articles - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [Dev Digest 121 - AI goes offline](https://www.wearedevelopers.com/magazine/456-dev-digest-121-ai-goes-offline) - [Where to Find Entry-Level Software Engineering Jobs](https://www.wearedevelopers.com/magazine/397-where-to-find-entry-level-software-engineering-jobs) - [Dev Digest 134 - Where pixels sing?](https://www.wearedevelopers.com/magazine/477-dev-digest-134-where-pixels-sing) - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers)