System Administrator 3

Columbia Technology Partners is seeking an experienced System Administrator 3 to provide implementation, troubleshooting, maintenance, and operational support for mission‑critical IT systems. Key Responsibilities Provide implementation, troubleshooting, maintenance, and operational support for enterprise IT systems. Manage daily configuration, operation, monitoring, and optimization of system infrastructure. Administer and maintain Linux and Windows operating systems, with an emphasis on Red Hat Enterprise Linux (RHEL). Utilize Ansible automation tools to streamline system administration and configuration management activities. Support and maintain STE/STN and Satellite Server environments. Provide Tier 1 and Tier 2 support, including problem identification, diagnosis, escalation, and resolution. Analyze and resolve complex issues involving server hardware, software applications, and system integrations. Monitor system performance, optimize resource utilization, and conduct capacity planning activities. Assist users with access, functionality, and troubleshooting of IT systems and services. Support incident response, dispatch operations, and hardware troubleshooting through resolution. Maintain system security, integrity, and reliability through proactive administration and enhancements. Support system architecture, mission infrastructure design, and hardware integration efforts. Collaborate with technical teams and stakeholders to communicate system status and support escalated issues. Qualifications 15 years of experience as a Systems Administrator supporting programs and contracts of similar scope, type, and complexity; an additional 5 years may be substituted for a bachelor’s degree. Bachelor’s degree in a technical discipline from an accredited college or university. DoD 8570 Information Assurance Technical (IAT) Level I certification or higher. Strong hands‑on experience administering RHEL environments and leveraging Ansible for automation and configuration management. Experience supporting enterprise server infrastructure, including STE/STN systems, Red Hat Satellite Server, system performance optimization, and complex troubleshooting across hardware, software, and networked environments. Preferred Qualifications Experience supporting large-scale enterprise or mission‑focused IT environments. Knowledge of Service‑Oriented Architecture (SOA) concepts and system interdependencies. Experience with infrastructure performance tuning, capacity planning, and system optimization. Familiarity with virtualization, enterprise storage solutions, and network infrastructure. Experience supporting highly secure government or DoD environments. Requirements U.S. citizenship is required for all applicants. Active security background investigation and polygraph are required. Random drug testing in accordance with Executive Order 12564. DOD 8570 IAT Level I Certification. CTP is an equal‑opportunity employer and abides by applicable employment laws and regulations. Security Clearance This position requires an active Security Clearance with appropriate Polygraph. Salary $165,000 — $190,000 per year. Equal Opportunity Employer CTP is an Equal Opportunity Employer and considers applicants without regard to race, color, religion, age, national origin, ancestry, ethnicity, gender, gender identity, gender expression, sexual orientation, marital status, veteran status, disability, genetic information, citizenship status, or membership in any other group protected by federal, state, or local law. #J-18808-Ljbffr Columbia Technology Partners