> Markdown version of [/jobs/ext/1293139-senior-principal-staff-cyber-software-engineer-ci-poly](https://www.wearedevelopers.com/jobs/ext/1293139-senior-principal-staff-cyber-software-engineer-ci-poly). 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 Principal/Staff Cyber Software Engineer CI Poly - **Company:** SHLD, Inc. - **Location:** Herndon, VA, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** JavaScript (Programming Language), OpenShift, Scrum Methodology, Security Software, Shell Script, SQL Databases, System Testing, Kubernetes, Apache Nifi - **Published:** July 16, 2026 - **Apply:** https://www.clearancejobs.com/jobs/9033329/senior-principalstaff-cyber-software-engineer-ci-poly ## About the Role For Senior Principal level: A Bachelor's degree with 9+ years of relevant experience; OR a Master's degree with 7+ years of relevant experience; OR a PhD with 4+ years of relevant experience an additional 4 years of experience may be considered in lieu of a degree requirement For Staff level: A Bachelor's degree with 14+ years of relevant experience; OR a Master's degree with 12+ years of relevant experience; OR a PhD with 9+ years of relevant experience an additional 4 years of experience may be considered in lieu of a degree requirement Required: Significant Java and Python development experience Experience with SQL Shell Script experience Hands-on experience with Unix/Linux TS/SCI with Poly *****MUST HAVE AN ACTIVE TS/SCI WITH CI POLY CLEARANCE****** Desired: Security+ or equivalent certification and willingness to serve as a privileged user supporting deployed systems testing Experience with Kubernetes (Red Hat OpenShift or another variant) Familiarity with NiFi Experience with cross-domain systems Experience with JavaScript ## Description We are looking for a Software Engineer to join our diverse team at our Herndon, VA, office. The candidate will work within a cross-functional Agile Scrum Team primarily focusing on building and maintaining systems running in a containerized environment. ## Related Videos - [This Is Not Your Father's .NET](https://www.wearedevelopers.com/videos/967-this-is-not-your-father-s-net) - [Understanding Kubernetes in a visual way](https://www.wearedevelopers.com/videos/100085-understanding-kubernetes-in-a-visual-way) - [Security Pitfalls for Software Engineers](https://www.wearedevelopers.com/videos/726-security-pitfalls-for-software-engineers) - [From Zero to Hero: Launch & Manage Your Cloud Apps with Free OpenShift & Red Hat Developer Hub](https://www.wearedevelopers.com/videos/1023-from-zero-to-hero-launch-manage-your-cloud-apps-with-free-openshift-red-hat-developer-hub) - [Instant KAI Sandboxes with vCluster: Multi-Tenant, Multi-Scheduler GPU Sharing](https://www.wearedevelopers.com/videos/100333-instant-kai-sandboxes-with-vcluster-multi-tenant-multi-scheduler-gpu-sharing) - [What makes Cybersecurity different for critical infrastructure?](https://www.wearedevelopers.com/videos/571-what-makes-cybersecurity-different-for-critical-infrastructure) ## Related Articles - [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) - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [Should senior developers refuse interview coding challenges?](https://www.wearedevelopers.com/magazine/29-should-senior-developers-refuse-interview-coding-challenges) - [Best Paying Jobs in Technology](https://www.wearedevelopers.com/magazine/256-best-paying-jobs-in-technology) - [7 Important Tips That Every Software Developer Should Know](https://www.wearedevelopers.com/magazine/101-7-important-tips-that-every-software-developer-should-know) - [Why Upskilling And Reskilling is Important For Developers](https://www.wearedevelopers.com/magazine/428-why-upskilling-and-reskilling-is-important-for-developers)