> Markdown version of [/jobs/ext/2000152-system-administrator-iii](https://www.wearedevelopers.com/jobs/ext/2000152-system-administrator-iii). 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).

---

# System Administrator III

- **Company:** Reflexive Concepts
- **Location:** Laurel, MS, United States
- **Contract:** Permanent contract
- **Skills:** Amazon Web Services, Amazon Elastic Compute Cloud, CentOS, CompTIA Security+, Linux, DevOps, OpenStack, Public Key Infrastructure, Red Hat Enterprise Linux, Ansible, Server Administration, Virtual Machines, Web Hosting Services, Git, Kubernetes, Information Technology, Rancher, Network Server, Multiplatform, Vmware
- **Published:** August 9, 2026
- **Apply:** https://www.careerbuilder.com/job-details/system-administrator-iii-laurel-md--985e6bd5-09df-442f-8255-9e6427796e76

## About the Role

* Fifteen (15) years of experience supporting projects and programs similar in scope and complexity
 * Bachelors Degree in Computer Science or a related field, * 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., * 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

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

Skills:
Administrative Skills, Amazon Elastic Compute Cloud (EC2), Amazon Web Services (AWS), Ansible, CentOS, Certificate Servers, CompTIA Security+, Computer Science, Customer Support/Service, DevOps, Digital Certificates, Git, Identify Issues, Linux Operating System, Multiplatform/Cross-Platform, Product Support, Production Control, Production Management, Public Key Infrastructure (PKI), Red Hat Linux Operating System, Software Administration, Systems Administration/Management, Team Player, VMS Operating System, VMWare, Virtual Machine (VM), Web Hosting

## 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 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.
 * Monitor 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).
 * Perform DevOps 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 cluster nodes and pods are healthy and running smooth.


## Related Videos

- [My journey into DevOps world - How it all started!](https://www.wearedevelopers.com/videos/545-my-journey-into-devops-world-how-it-all-started)
- [WebAssembly: The Next Frontier of Cloud Computing](https://www.wearedevelopers.com/videos/972-webassembly-the-next-frontier-of-cloud-computing)
- [Docker network without Docker](https://www.wearedevelopers.com/videos/1418-docker-network-without-docker)
- [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)
- [Generating code with Angular schematics](https://www.wearedevelopers.com/videos/129-generating-code-with-angular-schematics)
- [Docker exec without Docker](https://www.wearedevelopers.com/videos/1094-docker-exec-without-docker)

## Related Articles

- [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers)
- [Why Upskilling And Reskilling is Important For Developers](https://www.wearedevelopers.com/magazine/428-why-upskilling-and-reskilling-is-important-for-developers)
- [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated)
- [Dev Digest 121 - AI goes offline](https://www.wearedevelopers.com/magazine/456-dev-digest-121-ai-goes-offline)
- [The Top 10 GitHub Alternatives (2025)](https://www.wearedevelopers.com/magazine/298-the-top-10-github-alternatives-2025)
- [Dev Digest 134 - Where pixels sing?](https://www.wearedevelopers.com/magazine/477-dev-digest-134-where-pixels-sing)