NISSC 3 Systems Support Specialist III - Lead

AMERICAN SYSTEMS

Fairfield (PA)

On-site

USD 97,000 - 162,000

Full time

14 days+
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Job summary

AMERICAN SYSTEMS is seeking a Systems Administrator, Senior to support the NISSC 3 program at Raven Rock, Pennsylvania. This TS/SCI environment role delivers on-site and on-call system administration, troubleshooting, maintenance, and user support to ensure operational readiness.

You will coordinate with program leadership, manage incident responses, perform data integrity tasks, and maintain logs and reports in compliance with security standards.

Qualifications

  • Bachelor’s degree in IT, Cybersecurity, CS, IS, DS, SE, or equivalent DoD training.
  • Active TS/SCI clearance required to start.
  • DoD 8140 certification or Cloud+/GSEC/Security+/SSCP preferred.
  • 7–10 years in systems or network administration in secure environments.

Responsibilities

  • Provide onsite and oncall support for mission systems, including admin, monitoring, and health checks.
  • Troubleshoot hardware, software, network, and system performance issues.
  • Perform preventive and corrective maintenance, patches, updates, and tuning.
  • Deliver firstline user support and training for system access and operations.
  • Ensure logs, incident reports, and audits meet security and program standards.

Skills

Leadership
Resource allocation
Stakeholder updates
Scheduling
Documentation

Education

Bachelor’s degree in IT / Computer Science
DoD 8140 certification or Cloud+/GSEC/Security+/SSCP

Job description

Overview

AMERICAN SYSTEMS is seeking our next Systems Support Specialist III !!!

AMERICAN SYSTEMS is seeking a Systems Administrator, Senior to support the NISSC 3 program at Raven Rock, Pennsylvania. This position delivers technical and operational support for mission systems by providing onsite and oncall coverage for system administration, troubleshooting, maintenance, and user support in a TS/SCI environment. The Systems Support Specialist will help ensure operational readiness, data integrity, and highquality reporting in coordination with program leadership and stakeholders

Responsibilities
  • Deliver onsite and oncall technical and operational support for mission systems at Raven Rock, including system administration, monitoring, and health checks.
  • Perform troubleshooting and corrective actions for hardware, software, network, and system performance issues.
  • Conduct preventive and corrective maintenance, including software patches, updates, configuration changes, and performance tuning.
  • Provide firstline 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 highertier support, and closure documentation.
  • Execute backup and restore operations to ensure data integrity, availability, and continuity of operations.
  • Support system administration and database support tasks as needed to maintain operational environments.
  • Oversee procedural compliance and ensure all records, logs, and reports meet required operational, security, and audit requirements.
  • Act as a technical resource for performance optimization, data integrity, continuity of operations, and support of management status reporting.
Qualifications
  • 7–10 years of relevant experience in systems or network administration, systems support, or similar technical roles in secure, missioncritical (DoW or similar) environments.

  • Strong leadership capabilities in 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 and asset records, and technical documentation.

  • Bachelor’s degree in Information Technology, Cybersecurity, Computer Science, Information Systems, Data Science, Software Engineering, or a closely related field,

  • OR Equivalent DoW/Military training in systems administration, network operations, or a related technical discipline.

  • Minimum: Active TS/SCI clearance required to start.

  • Holds a DoW 8140 qualifying certification; one or more of the following (or equivalent) is required/preferred: Cloud+ / GSEC / Security+ / SSCP

Notice of Anticipated Employment OpportunitiesThese positions are being posted in anticipation of future employment opportunities, which may become available beginning around June 2026. Actual hiring and start dates will depend on contract award, organizational needs and other factors. Candidates may be considered for these or similar positions as opportunities arise.

AMERICAN SYSTEMS is committed to pay transparency for our applicants and employee-owners. The salary range for this position is USD $TBD/Yr. - USD $TBD/Yr. Actual compensation will be determined based on several factors permitted by law. AMERICAN SYSTEMS provides for the welfare of its employees and their dependents through a comprehensive benefits program by offering healthcare benefits, paid leave, retirement plans, insurance programs, and education and training assistance.

Pay Transparency Statement

AMERICAN SYSTEMS is committed to pay transparency for our applicants and employee-owners. The salary range for this position is USD $96,800.00/Yr. - USD $161,500.00/Yr. Actual compensation will be determined based on several factors permitted by law. AMERICAN SYSTEMS provides for the welfare of its employees and their dependents through a comprehensive benefits program by offering healthcare benefits, paid leave, retirement plans, insurance programs, and education and training assistance.

EEO Statement

EEO Race/Sex/Disability Status/Veteran Status

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