> Markdown version of [/jobs/ext/3714482-dev-sec-engineering-sr-level-3-top-secret](https://www.wearedevelopers.com/jobs/ext/3714482-dev-sec-engineering-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).

---

# Dev Sec Engineering Sr - Level 3 (Top Secret)

- **Company:** Lockheed Martin
- **Location:** King of Prussia, PA, United States
- **Experience:** Expert
- **Salary:** $110,300.0 - $204,900.0
- **Contract:** Permanent contract
- **Skills:** Artificial Intelligence, Automation of Tests, Cloud Computing, Cyber Security, Platform as a Service (PAAS), Ansible, Security Software, Software Engineering, Workflow Management Systems, Scripting, Delivery Pipeline, Gitlab, Git, Gitlab-ci, Kubernetes, Devsecops, Jenkins
- **Published:** October 13, 2026
- **Apply:** https://dejobs.org/x/x/87CA0A700842498B936695B0BC9406A7/job/

## About the Role

The successful candidate should be excited about opportunities incorporating new technologies into the software development process. They should also be confident in their ability to maintain a development infrastructure and perform to customer specifications. This role will also be able to perform certain system administration functions to support development efforts.

Strong documentation skills are a plus in this role.

 * Strong Technical Expertise: Proficient in coding, scripting, and automation tools. Knowledgeable in cloud technologies, containers, and orchestration tools like Kubernetes.

 * Security Knowledge: Deep understanding of security principles, practices, and tools. Familiar with threat modeling, risk assessment techniques, and security testing tools.

 * Continuous Learning: Stays updated with the latest security threats, technologies, and DevSecOps trends. Demonstrates a commitment to ongoing professional development.

 * Automation Mindset: Leverages automation to integrate security into CI/CD pipelines efficiently. Familiar with tools like Jenkins, GitLab CI, and automated security testing tools.

 * Compliance and Governance: Understanding of legal and regulatory requirements related to information security. Ensures that DevSecOps practices comply with these standards., * Security+ certification

 * Must have an active Top Secret with ability to obtain and maintain SCI security clearance. (Must be a US citizen)

The successful candidate must have demonstrated experience with one or more of the following automation technologies:

 * Gitlab/Git

 * Pipeline Automation

 * Automation and Scripting

 * Kubernetes

Desired Skills

The successful candidate may have additional demonstrated experience with the following automation technologies:

 * ArgoCD

 * Ansible

 * Helm

 * Platform as a Service experience

 * Proficient in AI prompting as it applies to this position and practice

#LMSpaceDevOps

#SpaceSecurity

#SpaceNSS

## Description

Performs tech planning, design, devel, integ, v&v for total syst life cycle. Analyses performed at all levels of syst product incl. concept, design, fabrication, test, instl, operation, maintenance & disposal, incorp design methods & stds for Cyber Security, SW & HW infrastructure. Designs, devels, docs, tests & debugs SW that contains logical & math solutions to business/mission problems/questions in computer language. Ensures the logical & syst conversion of customer/product reqs into total syst solutions that ack tech, sched, cost constraints & align to SW & HW deployment pipelines & factories. Performs func & timeline analysis, detail trade & reqs allocation & interface defs studies to translate customer reqs into HW & SW feature defs & acceptance criteria. Applies stds, processes, procedures & tools throughout the devel life cycle. Applies HW & SW knowledge, cyber security stds in business/mission apps, & feedback from users to develop SW.
Corrects program errors, prepares operating instructions, compiles doc of program devel & analyzes syst capabilities to resolve program problems, output/input data acq, programming tech & controls. Ensures SW stds are met. Validates incorp of features & use cases into implemented designs