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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Sr. Systems Administrator - **Company:** Koam Engineering Systems - **Location:** San Diego, CA, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Antivirus Softwares, Systems Engineering, Cloud Engineering, Information Systems, Computer Networks, Computer Engineering, System Configuration, Linux, Disaster Recovery, VMware ESX Servers, File Server, Intrusion Detection and Prevention, Network Security, Microsoft OneNote, Windows Servers, Microsoft SharePoint, Software Engineering, Storage Virtualization, Virtual Hosting, Virtual Machines, VMware VSphere, Firewalls (Computer Science), Information Technology, Vcenter, Vmware - **Published:** August 19, 2026 - **Apply:** https://diversityjobs.com/main/sendform/8/8/28176/1/17980735?backUrl=%2Fcareer%2F17980735%2FSr-Systems-Administrator-California-San-Diego ## About the Role * Bachelor's degree in related fields such as computer science, computer engineering, information systems, network engineering, systems engineering, software engineering or a closely related discipline, * Equivalent specialized knowledge customarily acquired through a combination of military training, formal technical instruction, certifications, and substantial progressively responsible practical experience performing work of comparable scope, complexity, and independent judgment * Security+ (DoD IAT Level II) or ability to meet requirements within three months of employment * VMWare/vSphere * This position requires an existing U.S. Government DoD granted security clearance/eligibility at the final Top-Secret level. Individuals must be able to maintain the necessary security clearance/eligibility for continued employment. U.S. Citizenship is required. * Must be able to travel as needed. * Job Located at a U.S. Government Facility Preferred: * Windows Server * Linux + * Familiarity with Navy Risk Management Framework (RMF) process and eMASS * Contributes to development of Cybersecurity policies/SOPs (System Configuration, Incident Response, Disaster Recovery, Contingency/Business Continuity, etc.) Experience Required: * 5 years' professional experience in systems administration * 3 years of network engineering experience with 2 years of cloud architecture. * Ability to operate effectively in a team environment as well as independently and provide direct interface with customers. ## Description The Sr Systems Administrator will be responsible for providing daily operational requirements of computer network systems including workstation, file servers, virtual machines., * Experience as a Sr Network Engineer * Installation of the following: * Hardware/software * System upgrades * Network accounts. * Network security. * Interface and updates * Ability to document the local system design. * VMWare setup and maintenance. * Maintain, troubleshoot, and implement network security tools including firewalls, anti-virus, and intrusion detection services. * Experience with storage solutions, networking configurations and disaster recovery. * Ability to create, manage, and deploy containers. * Troubleshooting skills for vCenter, ESXI hosts, NSX, Networking and VSAN storage. * Capacity planning for virtual hosts and VMs. * Experience with creating technical documentation of How-To-Guides and maintaining OneNote/SharePoint for team members. * Strong understanding of virtual machines within architecture diagrams and how to articulate what data will be going across certain networks. * Other Duties as assigned. ## Related Videos - [What makes Cybersecurity different for critical infrastructure?](https://www.wearedevelopers.com/videos/571-what-makes-cybersecurity-different-for-critical-infrastructure) - [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) - [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) - [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) - [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) - [What Are The Top Skills Required For Azure Developers?](https://www.wearedevelopers.com/magazine/77-what-are-the-top-skills-required-for-azure-developers) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [Best Paying Jobs in Technology](https://www.wearedevelopers.com/magazine/256-best-paying-jobs-in-technology) - [Dev Digest 134 - Where pixels sing?](https://www.wearedevelopers.com/magazine/477-dev-digest-134-where-pixels-sing)