Network Operations and Security Center (NOSC) Technician (Senior)

About the role

JCS Solutions is seeking an experienced Sr. Network & Systems Engineer to support large-scale operations on a high-profile Department of War (DoW) contract at Fort Belvoir, VA. This role supports the I3TS program, which delivers enterprise-wide IT services to DTRA's Information Management & Technology Directorate (ITD). The successful candidate will serve as a senior technical authority responsible for engineering, systems analysis, operational oversight, and strategic modernization initiatives across Unclassified, Secret, and Top Secret environments. This position plays a critical role in ensuring secure, resilient, and mission-focused IT operations for stakeholders throughout CONUS and OCONUS locations.

Responsibilities

• Apply advanced systems analysis techniques to advise DTRA leadership and mission partners on enterprise technology solutions, system requirements, capacity planning, and architectural roadmaps.
• Analyze, document, test, and modify network and server configurations, security controls, and Active Directory environments to align with DoD directives and security baselines.
• Serve as the 24x7x365 Network Operations and Security Center (NOSC) Operations Watch Officer during assigned shifts.
• Lead troubleshooting and resolution efforts for complex enterprise system and network outages across multiple environments.
• Develop diagnostic strategies, perform event correlation, and conduct root-cause analysis for high-impact incidents.
• Support continuous improvement initiatives related to operational procedures, incident