Job Description

NOSC Engineer
GES is seeking a Sr. Network/System Technician to support monitoring large-scale
operations on a high-profile DOD contract. The I3TS program provides enterprise-wide IT
support to enable DTRA’s Information Management & Technology Directorate (ITD) to
consolidate, modernize, and continuously innovate the delivery of IT services and mission
capabilities to DTRA’s internal and external mission partners operating in CONUS and
OCONUS locations. This position is currently based in Reston, VA, and will relocate to Fort Belvoir, VA,
possibly by the end of the year The candidate should be available to work 12-hour shifts from 0600-1800 or 1800-0600
ET (overnight), Sunday-Tuesday or Thursday-Saturday and every other Wednesday. The candidate will obtain and maintain System Administrator and\or Network
Administrator II functions and services in support of the agency and customers on
Unclassified, Secret, and Top Secret networks. The candidate will monitor, manage,
troubleshoot, fix/repair, install security patches, and communicate the health of the DTRA
IT Server, Storage, and Network infrastructures to ensure continuous, secure, and efficient
access to the full range of DTRA partners. They will provide the full range of support
services required to manage the day-to-day operations and systems administration of the
DTRA IT computing environment, ensuring reliable, secure, and efficient availability of the
current and evolving DTRA IT services and capabilities. The candidate must be proficient in Active Directory and managing user accounts and
security groups for the agency. Candidate will support the Network Operations and
Security Center (NOSC) for the Agency on a 24x7x365 basis, in accordance with
requirements for a Defense Threat Reduction Agency NOSC and appropriate DoD
Directives. Included in this objective, the candidate will maintain real-time situational
awareness of the DTRA IT Infrastructure and supported environments; shall lead
restorative actions to ensure all networks, servers, network devices, and services remain
operational and available. Will be responsible to triage degradations and outages by
isolating the issue, performing remediation and troubleshooting steps, escalating as
needed, and following through to resolution. • The candidate must be proficient in communication skills to all levels of government and contractor leadership. Will be responsible for reporting and conducting triage with , vendors, DoD, and Government agencies. This includes opening incident tickets with these organizations and provide critical data for triage. Will be responsible for drafting and sending Outage Notification email reports for initial, updated, and resolved critical network events while adhering to established timelines for notification of critical network events and established Standard Operating Procedures.
• The candidate will provide application support to various DTRA offices as designated in Service Level Agreements (SLA) with those offices. The candidate must be proficient in Remedy Ticket system. Will be responsible for creating incident tickets, reports (BMC Smart Reporting), tasks, and work orders.
• Additional Primary Responsibilities:
• Support Tier I–III system, networking, and engineering personnel to ensure network troubleshooting efforts
• Oversee real-time monitoring of global enterprise networks using DoD-approved tools (e.g., SolarWinds)
• Develop and enforce operational procedures, incident response workflows, and escalation protocols.
• Interface with Mission Partners, DISA, Joint Forces, and Combatant Commands on network status, issues, and operational impacts.
• Prepare and deliver operational briefs, after-action reports (AARs), and executive summaries to senior leadership.
• Troubleshoot, resolve, and/or escalate technical issues based on ticket assignments, deskside or remotely, as necessary.
• Correlate events and incidents for management of Information Technology (IT) Services.
• Provide great and prompt customer service to DTRA personnel by assisting them with IT-related issues.
• Document and communicate degradation of services or outage issues to customers and help with resolution.
• Follow ITSM and ITIL processes to ensure quality of services and prompt resolution.
• Utilize Remedy for queue and work management, ensuring assigned tickets stay within the program’s AQL/SLA commitments and are properly documented. Required Qualifications: • BS degree and 8 – 12 years or Masters with 6 – 10 years of prior relevant experience in a network operations, help desk, or IT support role. Specific experience, education and training may be considered in lieu of degree.
• Oral and written communication for change procedures, and management updates ,• Familiarity with monitoring tools (e.g., SolarWinds, Nagios, Splunk, or similar).
• Understanding of TCP/IP, DNS, DHCP, VPNs, firewalls, and network protocols.
• Strong problem-solving and communication skills.
• Ability to work in a high-availability, fast-paced environment with attention to detail.
• Must possess an active Security+ or equivalent prior to start.
• Must possess an active DoD TS/SCI at time of consideration.

Job Tags

Contract work, Remote work, Relocation, Shift work, Night shift, Sunday, Saturday,

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