Senior Systems Administrator - TS/SCI Clearance

Innovative Systems & Solutions; Maryland; On-site; USD 170,000 - 175,000; Full time

Benefits offered by this job

401(k) with matching contributions

Health, Dental, and Vision coverage

Employer-funded Health Savings Account

Life and AD&D insurance

Short-Term and Long-Term Disability

Travel and expense reimbursement

Employee referral program with cashBon

Employee recognition program

Tuition and training reimbursement

Job summary

Innovative Systems & Solutions (ISSI) is seeking a Senior System Administrator (TS/SCI with Polygraph) in Annapolis Junction, Maryland. The role focuses on implementing, troubleshooting, and maintaining IT systems across client, server, storage, and network environments.

You will guide Tier 1–2 support, manage UNIX/Windows administration, and ensure reliable day-to-day operations for government and DoD projects.

Qualifications

• Active TS/SCI clearance with polygraph is required.
• Minimum 10 years of System Administrator experience in similar scope.
• Bachelor's degree from an accredited college or university.
• 5 additional SA years may substitute for a degree.
• 5 additional Systems Engineering years may substitute.
• Experience troubleshooting complex IT systems.
• Experience with UNIX and Windows system administration.
• Ability to manage daily IT operations and provide user support.

Responsibilities

• Provide Tier 1 (Help Desk) and Tier 2 (Escalation) support, including problem identification, diagnosis, and resolution
• Support escalation processes and communicate status updates to agency management and internal stakeholders
• Maintain involvement in dispatch system and hardware issue resolution
• Configure and manage UNIX and Windows operating systems
• Install, troubleshoot, and maintain operating system software and network components
• Implement system enhancements to improve performance and reliability
• Monitor daily IT system operations, including servers, storage, networks, and mobile devices
• Perform system capacity planning and resource optimization
• Develop system engineering management and integration/test plans
• Provide detailed analysis and feedback for escalated issues
• Collaborate with government personnel, program staff, and senior leadership
• Ensure technical integrity of systems engineering deliverables

Skills

TS/SCI clearance with polygraph

System administration

UNIX and Windows administration

Troubleshooting complex IT systems

Education

Bachelor's degree in a technical discipline

Job description

Innovative Systems & Solutions (ISSI) is seeking a Senior System Administrator (TS/SCI with Polygraph) in Annapolis Junction, Maryland. The role focuses on implementing, troubleshooting, and maintaining IT systems across client, server, storage, and network environments.

You will guide Tier 1–2 support, manage UNIX/Windows administration, and ensure reliable day-to-day operations for government and DoD projects.