> Markdown version of [/jobs/ext/194763-cyber-system-administrator](https://www.wearedevelopers.com/jobs/ext/194763-cyber-system-administrator). 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). --- # Cyber System Administrator - **Company:** Unity Technologies - **Location:** Columbus, OH, United States - **Experience:** Experienced - **Salary:** $120,000.0 - $130,000.0 - **Contract:** Permanent contract - **Skills:** IEEE 802.1X, Microsoft Windows, Antivirus Softwares, Backup Devices, Complex Networks, CompTIA Security+, Cyber Security, Information Systems, Databases, System Configuration, Linux, Federal Information Processing Standards (FIPS), Network Security, Microsoft Security Essentials, Microsoft SQL Server, Windows Servers, Oracle (Applications), Red Hat Enterprise Linux, Zero Trust Network Access, TCP/IP, Virtual Local Area Networks, Software Vulnerability Management, Information Technology, Vmware - **Published:** May 29, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=bf15e77fec8563b6 ## About the Role Do you have experience in Zero Trust security?, Do you have a Bachelor's degree?, * One or more DoDM 8140.03 baseline IAT/SA-level certifications, such as: CompTIA Security+ CE, CompTIA CySA+ or CASP+ (or equivalent advanced security certification), GIAC Security Essentials (GSEC) or similar * At least one OS- or platform-specific Computing Environment (CE) certification such as: Microsoft (e.g., Microsoft Certified: Windows Server Hybrid Administrator Associate), Red Hat Certified System Administrator (RHCSA) or higher, VMware (e.g., VCP), Relevant vendor/database certifications (e.g., Oracle, SQL Server) * Bachelor's degree in information systems, computer science, cybersecurity, engineering, or related field * A minimum of three (3) years of hands-on system administration experience (Windows and/or Linux) in enterprise or DoD environments, including virtualization (e.g., VMware) and complex networks. * Experience implementing or supporting DISA STIGs, vulnerability remediation, and secure baselines. * Understanding of RMF, NIST SP 800-53, and basic network security concepts (TCP/IP, VLANs, 802.1x/port security)., * Experience in DoD or customer environments, including customer Remote VDI and Service Portal workflows. * Hands-on experience with OT/ICS/FRCS/Facilities IoT systems and architectures using PERA. * Familiarity with Zero Trust (ZT) and ICAM concepts in federal/DoD environments. Clearance Requirements: * Must be a U.S. citizen * Must be able to obtain and maintain a DoD Secret clearance, * Bachelor's (Required) License/Certification: * IAT Level II (Required) * Computing Environment (CE) (Required) ## Description * Install, configure, harden, and maintain physical/virtual servers, appliances, and management workstations; perform recurring patching, anti-virus updates, backups, and equipment upgrades. * Implement and enforce DISA STIGs and NIST control requirements (800-53/800-82) for IT and OT/ICS systems; document and justify any STIG exceptions in coordination with DLA cybersecurity. * Provide technical input and artifacts (system configurations, ports/protocols/services, test evidence) to support RMF activities, cybersecurity risk assessments, and Authority to Connect (ATC) decisions. * Perform privileged system administration in accordance with DoDM 8140.03 and customer account provisioning requirements; maintain active base and elevated accounts and complete mandatory training within required timelines. * Support OT/ICS/FRCS/Facilities IoT solutions by installing, configuring, patching, backing up, and testing application software and control system components in coordination with engineers, customer, and asset owners. * Implement secure network configurations (VLANs, IEEE 802.1x/port security) and manage required ports/protocols/services for normal and emergency operations; ensure any wireless/cellular use meets FIPS 140-3 and STIG requirements. * Develop and maintain "as-built" architecture and configuration documentation aligned with customer's Purdue Enterprise Reference Architecture (PERA) and provide inputs to monthly DoDM 8140.03 workforce reports. ## Related Videos - [An Applied Introduction to eBPF with Go](https://www.wearedevelopers.com/videos/1075-an-applied-introduction-to-ebpf-with-go) - [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) - [Turning Container security up to 11 with Capabilities](https://www.wearedevelopers.com/videos/718-turning-container-security-up-to-11-with-capabilities) - [Security Pitfalls for Software Engineers](https://www.wearedevelopers.com/videos/726-security-pitfalls-for-software-engineers) ## Related Articles - [Dev Digest 134 - Where pixels sing?](https://www.wearedevelopers.com/magazine/477-dev-digest-134-where-pixels-sing) - [9 Ways to Make Money Hacking](https://www.wearedevelopers.com/magazine/333-9-ways-to-make-money-hacking) - [The Overflow: Security and Privacy](https://www.wearedevelopers.com/magazine/715-the-overflow-security-and-privacy) - [Understanding and Mitigating Common Web Vulnerabilities](https://www.wearedevelopers.com/magazine/565-understanding-and-mitigating-common-web-vulnerabilities) - [Best Paying Jobs in Technology](https://www.wearedevelopers.com/magazine/256-best-paying-jobs-in-technology) - [What Are The Top Skills Required For Azure Developers?](https://www.wearedevelopers.com/magazine/77-what-are-the-top-skills-required-for-azure-developers)