> Markdown version of [/jobs/ext/1932582-sysadmin-back-end-developer](https://www.wearedevelopers.com/jobs/ext/1932582-sysadmin-back-end-developer). 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). --- # SysAdmin/Back End Developer - **Company:** Crimson Limited - **Location:** Chantilly, VA, United States - **Experience:** Experienced - **Salary:** $127,399.0 - $196,000.0 - **Contract:** Permanent contract - **Skills:** HTML, JavaScript (Programming Language), PHP (Programming Language), Amazon Web Services, Cascading Style Sheets (CSS), Configuration Management, Relational Databases, Database Queries, Linux Servers, MySQL, Oop Languages, Web Applications, Information Technology - **Published:** August 5, 2026 - **Apply:** https://www.dice.com/job-detail/f12a34ec-3fa8-4f87-bc90-1620f58bf172 ## About the Role * 3+ years of experience with systems administration. * Bachelor's degree in Systems Administration, Computer Information Systems, or Computer Science, or 5+ years total of experience with systems administration in lieu of a degree. * Experience performing Linux server maintenance, patching, configuration management, or system hardening. * Experience designing, implementing, and maintaining production-grade AWS environments. * 3+ years OOP language experience (PHP experience preferred). * Experience developing web apps with HTML, CSS, and JavaScript. * SQL proficiency and experience with an RDBMS (MySQL preferred). ## Description We are a small, growth-oriented, federal contractor that delivers professional services in support of the Intelligence & Federal Community. Located outside of Washington D.C., we are a fast-paced group due to the customers' diversity, types of projects, environments, and roles we support. To learn more, please visit ;br> Crimson Phoenix is an Equal Opportunity and Affirmative Action Employer. We welcome and encourage diversity in our workforce. ## Related Videos - [Hacking MSSQL on Cloud. All of them. How I became sysadmin on Azure, AWS, GCP and Alibaba.](https://www.wearedevelopers.com/videos/100339-hacking-mssql-on-cloud-all-of-them-how-i-became-sysadmin-on-azure-aws-gcp-and-alibaba) - [The Resilience of the World Wide Web](https://www.wearedevelopers.com/videos/1281-the-resilience-of-the-world-wide-web) - [MySQL Protocol Features You Should Be Aware Of](https://www.wearedevelopers.com/videos/100267-mysql-protocol-features-you-should-be-aware-of) - [The Software Bug All Stars - and what we can learn from them](https://www.wearedevelopers.com/videos/423-the-software-bug-all-stars-and-what-we-can-learn-from-them) - [Build Your Own Subscription-based Course Platform](https://www.wearedevelopers.com/videos/321-build-your-own-subscription-based-course-platform) - [Coding for Good: Achieving social change with an app](https://www.wearedevelopers.com/videos/1645-coding-for-good-achieving-social-change-with-an-app) ## Related Articles - [The Most Popular IT Jobs on the Market](https://www.wearedevelopers.com/magazine/376-the-most-popular-it-jobs-on-the-market) - [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) - [What is a web developer?](https://www.wearedevelopers.com/magazine/18-what-is-a-web-developer) - [What’s the Difference Between Frontend and Backend Development?](https://www.wearedevelopers.com/magazine/240-what-s-the-difference-between-frontend-and-backend-development) - [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)