Systems Administrator - Level IV

Client is seeking System Administrator - Level IV professionals to provide senior-level leadership and technical oversight for enterprise IT infrastructure in a secure, mission-critical environment. This role is responsible for the full lifecycle management, sustainment, and security of systems, servers, and network resources, ensuring operational availability and compliance with DoD cybersecurity requirements., Lead and oversee all system administration activities supporting enterprise servers, operating systems, and networked environments Ensure continuous availability, performance, and reliability of systems through proactive monitoring, maintenance, and optimization Administer user accounts, access controls, and permissions in accordance with security policies and least-privilege principles Manage system configurations, patching, and upgrades to maintain compliance with established cybersecurity standards Direct backup and recovery operations to ensure data integrity and system resilience Lead troubleshooting and root cause analysis for complex system issues, ensuring timely resolution and minimal operational impact Develop, implement, and enforce standard operating procedures, maintenance plans, and system administration best practices Oversee system security posture, ensuring adherence to applicable DoD cybersecurity controls and accreditation requirements Coordinate system administration activities across teams and provide technical guidance and mentorship to junior personnel Support infrastructure lifecycle management, including technology refresh, system upgrades, and capacity planning Ensure systems provide secure and reliable access to mission users across all supported environments

Active Tier 3 (T3) background investigation or ability to obtain and maintain, Minimum of 10 years of progressive experience in system administration or related IT infrastructure roles demonstrating advanced proficiency Bachelor’s degree in Information Technology, Computer Science, or a related field, or equivalent experience Certifications:

Baseline cybersecurity certification such as CompTIA CASP+, CISSP, or equivalent advanced certification aligned to DoD requirements

Clearance: Active Tier 3 (T3) background investigation or ability to obtain and maintain