Mission-Critical Systems Support Specialist (TS/SCI)

AMERICAN SYSTEMS; Bellevue Second IV Precinct (NE); On-site; USD 96,800 - 161,500; Full time

Job summary

AMERICAN SYSTEMS is seeking our next Systems Support Specialist III to support the NISSC 3 program at Offutt Air Force Base, Nebraska. These roles provide onsite and oncall system administration, troubleshooting, maintenance, and user support in a TS/SCI environment to ensure operational readiness.

Responsibilities include delivering technical support, performing troubleshooting, applying patches, providing user training, maintaining logs, incident response, backups, and ensuring compliance.

Qualifications

• 7–10 years of relevant experience in systems or network administration, systems support, or similar technical roles in secure, mission critical environments.
• Strong leadership capabilities directing project/task execution across domains such as maintenance, integration, and data management.
• Experience in resource allocation, monitoring progress, and ensuring quality deliverables to drive task success.
• Demonstrated ability to resolve operational issues and provide precise, timely status updates to management and stakeholders.
• Experience managing schedules and aligning tasks with program objectives to support integrated operations across functional domains.
• Strong documentation skills for logs, incident reports, configuration records, and technical documentation.
• Bachelor’s degree or equivalent DoD training in systems administration, network operations, or related technical discipline.
• Active TS/SCI clearance required to start.
• DoD 8140 qualifying certification (Cloud+, GSEC, Security+, SSCP) preferred.

Responsibilities

• Deliver onsite and on-call technical and operational support for mission systems at Offutt AFB, including system administration, monitoring, and health checks.
• Perform troubleshooting and corrective actions for hardware, software, network, and system performance issues impacting mission operations.
• Conduct preventive and corrective maintenance, including applying patches, updates, configuration changes, and performance tuning.
• Provide first-line user support and training for system access, basic operations, and issue resolution.
• Collect, maintain, and update operational logs, incident and deficiency reports, and checklists in accordance with program and security standards.
• Perform incident response, including initial triage, escalation, coordination with higher-tier support, and closure documentation.
• Execute backup and restore operations to ensure data integrity, availability, and continuity of operations.
• Support system administration and database support activities as needed to maintain operational environments.
• Oversee procedural compliance and ensure all records, logs, and reports meet required operational, security, and audit standards.
• Act as a technical resource for performance optimization, data integrity, continuity of operations, and support of management status reporting.
• For Lead roles, direct day‑to‑day task execution, assist with resource allocation, monitor progress and quality of work, and mentor junior personnel.

Skills

Leadership

Resource allocation

Progress monitoring

Quality deliverables

Documentation

Status updates

Education

Bachelor’s degree in information technology, cybersecurity, computer science, information systems, data science, software engineering, or related field OR equivalent DoD/military training

Tools

Cloud+

GSEC

Security+

SSCP

Job description

AMERICAN SYSTEMS is seeking our next Systems Support Specialist III to support the NISSC 3 program at Offutt Air Force Base, Nebraska. These roles provide onsite and oncall system administration, troubleshooting, maintenance, and user support in a TS/SCI environment to ensure operational readiness.

Responsibilities include delivering technical support, performing troubleshooting, applying patches, providing user training, maintaining logs, incident response, backups, and ensuring compliance.