Jobs at System High

Provide day-to-day administration and operations of government systems and networks supporting Collateral, SCI, and SAP environments. Install, configure, monitor, and remediate systems using SIEM, vulnerability tools, and COTS/GOTS products. Build O&M checklists, SOPs/TTPs, tailor event rules/reports, participate in incident response, analyze technical risk, and support RMF/authorization processes.

Support and maintain Collateral, SCI, and SAP information systems: administer servers, networks, firewalls, VTC, COMSEC, account management, patching, troubleshooting, prepare and review authorization packages, identify vulnerabilities and implement countermeasures, and perform help-desk and system configuration tasks in accordance with security policies.

Provide day-to-day administration and support of government LAN/WAN systems and servers, manage COTS/GOTS security and operations tools, operate SIEMs and monitoring, support incident response, conduct vulnerability/forensic assessments, follow O&M checklists and develop SOPs/TTPs, and support Collateral/SCI/SAP environments for DoD customers.

Own and deliver the frontend application layer end-to-end: build high-performance React/Next.js TypeScript UIs, integrate with backend APIs, automate repetitive UI tasks with scripts and AI tools, participate in Agile/Scrum, and break features into implementable user stories for iterative delivery.

Provide day-to-day cybersecurity and IT support for SAP/SCI/collateral environments: maintain servers, firewalls, network devices, VTC, COMSEC, patching, account management, troubleshoot anomalies, prepare/update authorization packages and conduct RMF-related assessments, self-inspections, and documentation.

Lead software assurance activities for the Missile Defense Agency: develop and implement SwA policies and guidelines, assess compliance with DoD/JFAC standards, support quality/safety/mission assurance assessments, evaluate contractor compliance, and facilitate criticality, threat, vulnerability, security engineering, and anti-tamper validation across the SDLC.

Provide day-to-day IT and cybersecurity support for Collateral, SCI, and SAP environments: maintain servers, firewalls, networks, VTC systems; perform account management, patching, troubleshooting, authorization package preparation, self-inspections, COMSEC management, and operational testing in a 24/7 schedule.

On-site INFOSEC analyst supporting the Missile Defense Agency. Perform INFOSEC reviews, coordinate with MDA CERT and Classification Management, run newcomer briefings, support Security Managers and Top Secret Control Program, maintain metrics and reports, and draft memoranda and classification review documentation.

Serve as a Senior Supply Chain Risk Management Analyst, analyzing threats to the supply chain, coordinating requests, and providing expertise in compliance assessments.

The Data Management and Automation Analyst will manage data systems, develop automated solutions, support enterprise initiatives, and create analytics and reporting tools to enhance decision-making.

The IT Systems Administrator will manage and secure IT systems, provide user support, ensure cybersecurity compliance, and collaborate on process improvements.