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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # System Administrator - **Company:** Ready 3 LLC - **Location:** Oklahoma City, OK, United States - **Experience:** Experienced - **Contract:** Permanent contract - **Skills:** Microsoft Windows, User Authentication, Configuration Management, CompTIA Security+, Cyber Security, Information Systems, Dynamic Host Configuration Protocol, Linux, Disaster Recovery, Domain Name System (DNS), Virtual Private Networks (VPN), Windows Servers, Network Architecture, Networking Basics, Azure Active Directory, Systems Integration, TCP/IP, Virtualization Technology, Software Vulnerability Management, Enterprise Software Applications, Cloud Platform System, Firewalls (Computer Science), Information Technology, Network Server, Vulnerability Analysis, User Accounts - **Published:** August 5, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=ecc338724317d644 ## About the Role * Strong communication and collaboration skills. * A commitment to continuous learning and professional growth. * Integrity, professionalism, and attention to detail. * A passion for supporting critical customer missions. * Strong systems thinking and technical leadership. * Ability to manage multiple priorities in a fast-paced environment. * Experience developing customer-facing technical solutions. * Strong troubleshooting and analytical skills. * Excellent written and verbal communication skills. * Ability to work both independently and within a team., * Bachelor's degree in Information Technology, Computer Science, Information Systems, Cybersecurity, or related field (or equivalent experience). * 3+ years of experience administering enterprise IT systems. * CompTIA Security+ required. * Previous project management or technical leadership experience preferred. * Experience with Windows Server administration. * Experience administering Microsoft 365 and Azure Active Directory. * Knowledge of networking fundamentals including TCP/IP, DNS, DHCP, VPNs, and firewalls. * Experience with virtualization technologies. * U.S. citizenship for positions supporting government customers. * Ability to obtain or maintain a U.S. security clearance, when required. * Experience with government contracting, aerospace, defense, or advanced technology programs is a plus. ## Description The System Administrator is responsible for administering, maintaining, securing, and supporting information technology systems in support of an assigned customer contract. This position ensures the availability, performance, and security of contract-specific systems, servers, workstations, networks, and enterprise applications while providing technical support to customer personnel and project stakeholders. The System Administrator collaborates with program management, cybersecurity personnel, engineers, and customer representatives to ensure contractual requirements are met. As business needs evolve, the System Administrator may also support additional Ready 3 programs and internal initiatives. Essential Duties and Responsibilities * Administer and maintain contract-supported servers, operating systems, applications, and network infrastructure. * Install, configure, maintain, and troubleshoot Windows and Linux operating systems. * Manage user accounts, permissions, authentication, and access controls in accordance with customer security requirements. * Monitor system health, availability, performance, and storage utilization. * Perform system patching, upgrades, vulnerability remediation, and configuration management. * Support virtualization platforms, cloud environments, and enterprise infrastructure as required by the contract. * Troubleshoot hardware, software, network, and system issues while minimizing operational downtime. * Maintain system backups, disaster recovery procedures, and continuity of operations. * Develop and maintain technical documentation, system diagrams, configuration baselines, and standard operating procedures. * Ensure compliance with applicable cybersecurity frameworks, customer policies, and contractual requirements. * Coordinate with cybersecurity personnel during vulnerability assessments, audits, inspections, and accreditation activities. * Provide technical support and recommendations to program leadership and customer stakeholders. * Support system integration, technology refresh, and infrastructure modernization efforts. * Participate in project planning, technical reviews, and implementation activities. * Assist other Ready 3 contracts or internal initiatives as assigned based on operational priorities and workload. ## Related Videos - [An Applied Introduction to eBPF with Go](https://www.wearedevelopers.com/videos/1075-an-applied-introduction-to-ebpf-with-go) - [Full-stack role-based authorization in 45 minutes](https://www.wearedevelopers.com/videos/312-full-stack-role-based-authorization-in-45-minutes) - [Docker network without Docker](https://www.wearedevelopers.com/videos/1418-docker-network-without-docker) - [What makes Cybersecurity different for critical infrastructure?](https://www.wearedevelopers.com/videos/571-what-makes-cybersecurity-different-for-critical-infrastructure) - [Turning Container security up to 11 with Capabilities](https://www.wearedevelopers.com/videos/718-turning-container-security-up-to-11-with-capabilities) - [Swapping Low Latency Data Storage Under High Load](https://www.wearedevelopers.com/videos/746-swapping-low-latency-data-storage-under-high-load) ## Related Articles - [What Are The Top Skills Required For Azure Developers?](https://www.wearedevelopers.com/magazine/77-what-are-the-top-skills-required-for-azure-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) - [The Most Popular IT Jobs on the Market](https://www.wearedevelopers.com/magazine/376-the-most-popular-it-jobs-on-the-market) - [Best Paying Jobs in Technology](https://www.wearedevelopers.com/magazine/256-best-paying-jobs-in-technology) - [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) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated)