Sr Systems Administrator Security Clearance

Position: Sr Systems Administrator with Security Clearance
At Three Cords Talent, we believe strong organizations are built by strong people. Inspired by the principle that “a cord of three strands is not easily broken,” our firm provides purpose-driven recruiting and talent solutions that connect exceptional professionals with mission-critical opportunities. By partnering with us, candidates gain a trusted career advocate, and clients gain a dedicated partner who aligns talent with strategy to drive growth and success.

Job Summary Our client is seeking an experienced Senior Systems Administrator to join a high-performing team that delivers advanced IT services supporting national security missions. In this role, you will provide implementation, troubleshooting, and maintenance of IT systems — ensuring the stability, security, and efficiency of critical infrastructures. You will also manage IT system environments and processes, working across both Unix and Windows platforms to enhance performance and reliability.

Key Responsibilities Analyze and resolve complex problems associated with server hardware, applications, and software integration.
Configure and manage Unix and Windows operating systems.
Install, load, and troubleshoot operating systems and software.
Maintain integrity and configuration of network components.
Implement operating system enhancements to improve system reliability, performance, and security.

Required Qualifications U.S. Citizenship required.
Active TS/SCI with Full Scope Polygraph (FSP).
15+ years of experience in System Administration in programs and contracts of similar scope, type, and complexity.
Bachelor’s degree in a technical discipline (Four additional years of experience may be substituted for a degree).
IAT Level II Certification (e.g., Security+, CCNA Security, GSEC).
Excellent written and verbal communication skills.
Highly reliable, professional, self-motivated, and enthusiastic team player.