> Markdown version of [/jobs/ext/2248693-systems-engineer-sr-level-3-top-secret](https://www.wearedevelopers.com/jobs/ext/2248693-systems-engineer-sr-level-3-top-secret). 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 - Level 3 (Top Secret)

- **Company:** Lockheed Martin
- **Location:** Colorado Springs, CO, United States
- **Experience:** Expert
- **Salary:** $85,300.0 - $158,300.0
- **Contract:** Permanent contract
- **Skills:** Java (Programming Language), Agile Methodology, Amazon Web Services, Systems Engineering, Microsoft Azure, Computer Programming, Systems Analysis, OpenStack, Scrum Methodology, Verification and Validation (Software), Subsystems, Systems Architecture, System Testing, Systems Integration, Google Cloud, Cloud Platform System, Information Technology, Atlassian Tools
- **Published:** August 26, 2026
- **Apply:** https://www.clearancejobs.com/jobs/9117342/systems-engineer-sr-level-3-top-secret

## About the Role

* Recent on-program Systems Engineering experience (e.g., requirements development, systems test planning/execution, requirements analysis and verification, integration, etc.)
 * Demonstrated experience with applying systems engineering principles, concepts, and methods
 * Demonstrated experience with system integration, verification, and validation
 * Experience working on large-scale, agile software projects with multiple teams and stakeholders
 * Experience with DOORs and Cameo
 * Must have current Top Secret clearance with the ability to obtain and maintain a SCI.

Desired Skills

 * Develop and implement system test plans, procedures, and protocols
 * Scrum Master experience
 * Support the integration, verification, and validation of systems and subsystems
 * Develop and maintain system architecture, design, and performance requirements in an Agile environment
 * 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 team environment
 * 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
 * Previous programming experience with Java
 * Familiarity with the Space Domain
 * Active TS/SCI

#LMSpaceSystemsEng

#SpaceSecurity

#SpaceNSS

## Description

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.


## Related Videos

- [Security Pitfalls for Software Engineers](https://www.wearedevelopers.com/videos/726-security-pitfalls-for-software-engineers)
- [10M Data Records Lost, Underwater Computing, and Psychedelic Fish - Matthias Geniar](https://www.wearedevelopers.com/videos/1908-10m-data-records-lost-underwater-computing-and-psychedelic-fish-matthias-geniar)
- [How I saved 200K/yr in direct costs writing 0 code lines in K8s](https://www.wearedevelopers.com/videos/1055-how-i-saved-200k-yr-in-direct-costs-writing-0-code-lines-in-k8s)
- [The Cloud is Calling: Answer with In-Demand Skills](https://www.wearedevelopers.com/videos/945-the-cloud-is-calling-answer-with-in-demand-skills)
- [Securing your application software supply-chain](https://www.wearedevelopers.com/videos/468-securing-your-application-software-supply-chain)
- [Develop on Windows, Deploy on Red Hat Enterprise Linux](https://www.wearedevelopers.com/videos/1600-develop-on-windows-deploy-on-red-hat-enterprise-linux)

## Related Articles

- [How We Built a Worry-Free System That Runs for 10+ Years – And What We’d Do Again](https://www.wearedevelopers.com/magazine/751-how-we-built-a-worry-free-system-that-runs-for-10-years-and-what-we-d-do-again)
- [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated)
- [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers)
- [What’s the Difference between a Junior, Mid, and Senior Developer?](https://www.wearedevelopers.com/magazine/238-what-s-the-difference-between-a-junior-mid-and-senior-developer)
- [7 Important Tips That Every Software Developer Should Know](https://www.wearedevelopers.com/magazine/101-7-important-tips-that-every-software-developer-should-know)
- [Software Engineer Salary London](https://www.wearedevelopers.com/magazine/252-software-engineer-salary-london)