> Markdown version of [/jobs/ext/1739059-principal-systems-administrator-linux](https://www.wearedevelopers.com/jobs/ext/1739059-principal-systems-administrator-linux). 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). --- # Principal Systems Administrator (Linux) - **Company:** POWER3 SOLUTIONS, LLC - **Location:** Laurel, MD, United States - **Contract:** Permanent contract - **Skills:** Amazon Web Services, Amazon Elastic Compute Cloud, CentOS, Linux, DevOps, OpenStack, Public Key Infrastructure, Red Hat Enterprise Linux, Ansible, Git, Kubernetes, Rancher, Vmware - **Published:** July 30, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=df54947521384f47 ## About the Role * Applicants who do well would have a strong background in Linux and who can bring previous relevant Sys Admin experience to the project while also maintaining a learning mode approach., * Fifteen (15) years experience as a SA in programs and contracts of similar scope, type, and complexity is required. Bachelor's degree in a technical discipline from an accredited college or university is required. Five (5) years of additional SA experience may be substituted for a bachelor's degree. * Strong Linux skills including troubleshooting * Ansible experience or exposure * Experience managing and securing VMs (STE/STN) * Active Security + Certification for all members of the infrastructure team Individual Capabilities/Experience Desired: * CentOS or RHEL Experience * PKI Certificate/Server Certificate Setup * Kubernetes experience *AWS Experience (e.g. EC2, RDS, etc.) * OpenStack Exposure * VMWare Exposure * Team player but can work on tasks independently * Git Experience - push, pull, commit changes to a repo ## Description * Be a part of an Infrastructure team working both together and independently on tasks needed to support customer requirements and development team needs. We work across multiple hosting platforms (OpenStack, AWS, and VMWare), but only support Linux VMs. This position allows you to learn a lot about the product as well as dive deep into area of VM Management/DevOps that appeal to you., * Typical Sys Admin tasks - Server Certificate life cycle, monitoring VM health status, update software on VMs (manually and through YUM repos), making sure VMs satisfy latest security requirements set by the Enterprise. * Monitoring and manage production Linux VMs - stand-alone VMs and those integrated in a Kubernetes cluster - across multiple hosting platforms. * Work with customers and development team to support product needs. Including trivial changes (i.e., VM name changes) to significant efforts (i.e. new cluster builds). * Some Dev Ops tasks including running and maintaining Ansible playbooks to push out changes to VMs and monitoring the Kubernetes clusters through Rancher or kubectl commands to ensure the clusters nodes and pods are healthy and running smooth. ## 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) - [How a Small Team Shrank a Microsoft Monorepo by 94%](https://www.wearedevelopers.com/videos/1236-how-a-small-team-shrank-a-microsoft-monorepo-by-94) - [Docker network without Docker](https://www.wearedevelopers.com/videos/1418-docker-network-without-docker) - [Git for Code Reviews](https://www.wearedevelopers.com/videos/429-git-for-code-reviews) - [Docker exec without Docker](https://www.wearedevelopers.com/videos/1094-docker-exec-without-docker) - [Security Pitfalls for Software Engineers](https://www.wearedevelopers.com/videos/726-security-pitfalls-for-software-engineers) ## Related Articles - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [The Top 10 GitHub Alternatives (2025)](https://www.wearedevelopers.com/magazine/298-the-top-10-github-alternatives-2025) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [What Are The Top Skills Required For Azure Developers?](https://www.wearedevelopers.com/magazine/77-what-are-the-top-skills-required-for-azure-developers) - [Why Upskilling And Reskilling is Important For Developers](https://www.wearedevelopers.com/magazine/428-why-upskilling-and-reskilling-is-important-for-developers) - [Best Paying Jobs in Technology](https://www.wearedevelopers.com/magazine/256-best-paying-jobs-in-technology)