Senior System Administrator - TS/SCI with Poly | Remote

Onyx Point, LLC.; Hanover (MD); Hybrid; USD 78,000 - 250,000; Full time

Benefits offered by this job

Flexible work arrangements

FSAs

Employee referrals

Bonus opportunities

Technology allowance

Diverse, inclusive culture

Job summary

Onyx Point, LLC. seeks a senior Security Analyst with an active TS/SCI with Full Scope Poly and 10 years of SA experience in complex programs. The role includes hands-on IT systems support, troubleshooting, and operations across UNIX/Windows environments, plus strong problem-resolution capabilities.

Remote-friendly with flexible work arrangements and a competitive package. Salary ranges reflect location and expertise.

Qualifications

• Ten (10) years experience as a SA in programs and contracts of similar scope, type, and complexity is required.
• Five (5) years of additional SA experience may be substituted for a bachelor’s degree.

Responsibilities

• Provide support for implementation, troubleshooting and maintenance of IT systems
• Manage the daily activities of configuration and operation of IT systems
• Provide Tier 1 (Help Desk) problem identification, diagnosis and resolution of problems
• Provide assistance to users in accessing and using IT systems
• Provide support to IT systems including day-to-day operations, monitoring and problem resolution for all of the client/server/storage/network devices, mobile devices, etc.
• Provide Tier 2 (Escalation) problem identification, diagnosis and resolution of problems
• Provide support for the escalation and communication of status to management and internal customers
• Optimize system operations and resource utilization, and perform system capacity analysis and planning
• Provide support for the dispatch system and hardware problems and remains involved in the resolution process
• Provide in-depth experience in trouble-shooting IT systems
• Configure and manage UNIX and Windows (or other applicable) operating systems and installs/loads operating system software, troubleshoot, maintain integrity of and configure network components, along with implementing operating systems enhancements to improve reliability and performance
• Provide detailed analysis and feedback to management and internal customers for escalated tickets

Skills

SA experience

Clearance TS/SCI

Education

Bachelor's degree in a technical discipline

Job description

Onyx Point, LLC. seeks a senior Security Analyst with an active TS/SCI with Full Scope Poly and 10 years of SA experience in complex programs. The role includes hands-on IT systems support, troubleshooting, and operations across UNIX/Windows environments, plus strong problem-resolution capabilities.

Remote-friendly with flexible work arrangements and a competitive package. Salary ranges reflect location and expertise.