> Markdown version of [/jobs/ext/2282173-senior-systems-engineer-clearance-required](https://www.wearedevelopers.com/jobs/ext/2282173-senior-systems-engineer-clearance-required). 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).

---

# Senior Systems Engineer-Clearance Required

- **Company:** Lockheed Martin
- **Location:** Littleton, CO, United States
- **Experience:** Expert
- **Salary:** $95,900.0 - $178,100.0
- **Contract:** Permanent contract
- **Skills:** Testing (Software), Systems Engineering, Automation of Tests, Cisco Routers, Linux, Information Technology Operations, Red Hat Enterprise Linux, SAP (Applications), Scaled Agile Framework, Solaris (Operating System), Systems Architecture, System Software, Systems Integration, Test Execution Engine, Atlassian Tools, Operational Systems, Devsecops
- **Published:** August 28, 2026
- **Apply:** https://www.clearancejobs.com/jobs/9123695/senior-systems-engineer-clearance-required

## About the Role

The ideal candidate will be an experienced and skilled professional with a strong technical background, excellent problem-solving skills, and the ability to collaborate with cross-functional teams., * Current/Active DoD Top Secret Security Clearance investigation within 5 years from investigation close date.

 * Must be able to obtain and maintain Special Access Programs (SAP) access.

 * DoD 8140 certification - e.g., Security+

 * Proven background in Integration and Test Engineering.

 * Strong IT operations experience: task assignment, schedule management, and oversight of operational systems.

 * Hands on system administration expertise on RHEL Linux and Solaris platforms.

Desired Skills

 * Direct experience with Cross Domain Solutions (e.g., TMAN, Radiant Mercury).

 * Hands on work with Cisco routers and switches.

 * Experience installing, updating, and troubleshooting mission critical system software.

 * Knowledge of DOD security standards, STIG compliance, and system accreditation processes.

 * Experience with software testing and use of test automation tools (i.e. Eggplant, TWIN)

## Description

At C2 Ground, we harness advanced technologies to deliver and maintain mission-relevant capabilities for our customers. We utilize a range of innovative tools and methodologies, including the Scaled Agile Framework (SAFe), Atlassian Tool Suite, and DevSecOps, to ensure consistent value delivery, effective collaboration, and security-centric development. Additionally, we leverage Model-Based Engineering and Test Automation to enhance our system architecture, design, and testing processes. By embracing these cutting-edge technologies, we are able to rapidly develop, test, and deploy high-quality solutions that meet the evolving needs of our customers.

The Work:

In this important role you will:

 * Asist in systems integration and test execution for Cross Domain Solutions at operational sites.

 * Develop, review, and maintain comprehensive test artifacts (plans, procedures, reports).

 * Assist in hardware and software test execution, document results, and track discrepancies.

 * Assist in test anomaly investigation and troubleshooting activities.

 * Ensure compliance with functional and technical specifications, standards, and DOD security practices.

 * Resolve hardware/software interface issues and support system wide integration from Factory Acceptance Testing through delivery to customer sites.

 * Support Program management in proposal planning and execution


## Related Videos

- [Security Pitfalls for Software Engineers](https://www.wearedevelopers.com/videos/726-security-pitfalls-for-software-engineers)
- [Docker network without Docker](https://www.wearedevelopers.com/videos/1418-docker-network-without-docker)
- [DevSecOps: Injecting Security into Mobile CI/CD Pipelines](https://www.wearedevelopers.com/videos/273-devsecops-injecting-security-into-mobile-ci-cd-pipelines)
- [DevSecOps culture](https://www.wearedevelopers.com/videos/783-devsecops-culture)
- [Remote Driving on Plant Grounds with State-of-the-Art Cloud Technologies](https://www.wearedevelopers.com/videos/251-remote-driving-on-plant-grounds-with-state-of-the-art-cloud-technologies)
- [Docker exec without Docker](https://www.wearedevelopers.com/videos/1094-docker-exec-without-docker)

## Related Articles

- [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated)
- [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)
- [The 8 Best Code Testing Tools](https://www.wearedevelopers.com/magazine/402-the-8-best-code-testing-tools)
- [Should senior developers refuse interview coding challenges?](https://www.wearedevelopers.com/magazine/29-should-senior-developers-refuse-interview-coding-challenges)
- [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs)
- [Dev Digest 134 - Where pixels sing?](https://www.wearedevelopers.com/magazine/477-dev-digest-134-where-pixels-sing)