Network Engineer with Security Clearance

Job Title: Network Engineer Location: McLean, VA (On-Site) Clearance: Active TS/SCI with FSP Required Company: Quantum Science Solutions (QSS) Compensation: Open Rate Position Overview The Network Engineer will support comprehensive 24x7x365 Network Operations Center (NOC) and Cyber Security Operations Center (CSOC) services to ensure the continuous availability, security, performance, and operational integrity of the organization’s enterprise infrastructure.

This position will provide advanced troubleshooting and operational engineering support across network, cloud, infrastructure, and security environments. The Network Engineer will investigate complex incidents, correlate information across monitoring and security platforms, support maintenance and infrastructure changes, validate service availability, coordinate escalations, and identify opportunities for technical and operational improvement.

Key Responsibilities • Perform advanced troubleshooting of network, cloud, infrastructure, and security-related incidents not handled by Tier 1 personnel. • Correlate information from Microsoft Sentinel, Microsoft Azure, network monitoring systems, network mapping platforms, and other security tools during troubleshooting and incident investigations. • Work directly with telecommunications carriers, Internet Service Providers (ISPs), OEM vendors, Microsoft/cloud providers, managed service providers, and other third-party vendors during complex incidents. • Validate network, cloud, security, and service availability following maintenance or infrastructure changes. • Review maintenance scope and affected services, identify dependencies, and support scheduling of implementation periods. • Monitor operational impact during maintenance activities and coordinate escalation when unexpected issues occur. • Identify recurring operational issues and recommend technical, monitoring, process, or automation improvements. • Support proactive monitoring of network and cybersecurity environments and provide Incident Response, Cyber Defense, Operational Engineering Support, Problem Management, and Continuous Service Improvement. • Support the continuous availability, security, performance, and operational integrity of enterprise infrastructure. • Support operational environments including Enterprise Local Area Network (LAN), Wide Area Network (WAN), and Campus Network Infrastructure. • Support technologies including Microsoft Azure Government Cloud, Azure Virtual Desktop (AVD), RedSeal, Microsoft Sentinel, VMware and Hyper-V virtualization platforms, Microsoft Windows Server infrastructure, and enterprise monitoring and alerting systems. • Support monthly application metric reporting, including service requests, incidents, and calls per application, using Sponsor reporting tools. • Support continuous 24-hour-per-day, 7-day-per-week, 365-day-per-year operations. • Execute work schedules to ensure necessary planning, coordination, approvals, negotiations, and other contract requirements are completed in a timely manner without negatively impacting the program.

Mandatory Skills • Demonstrated experience working with telecommunications carriers, Internet Service Providers (ISPs), cloud providers, OEM vendors, managed service providers, or other third party service providers. • Demonstrated experience performing advanced troubleshooting of network, cloud, infrastructure, and security-related incidents. • Demonstrated experience correlating information from Microsoft Sentinel, Azure, network monitoring systems, network mapping platforms, and other security tools during troubleshooting and incident investigations. • Demonstrated experience working directly with telecommunications carriers, ISPs, OEM vendors, Microsoft/cloud providers, managed service providers, and other third-party vendors during complex incidents. • Demonstrated experience validating network, cloud, security, and service availability following maintenance or infrastructure changes. • Demonstrated experience identifying recurring operational issues and recommending technical, monitoring, process, or automation improvements. • Demonstrated experience reviewing maintenance scope, affected services, dependencies, and scheduled implementation periods. • Demonstrated experience monitoring operational impact during maintenance activities and coordinating escalation when unexpected issues occur.

Preferred Skills • Demonstrated experience leading or managing personnel within a NOC, SOC/CSOC, enterprise operations center, or comparable 24x7 technical operations environment. • Demonstrated progressively responsible experience in enterprise IT operations, network operations, cybersecurity operations, cloud operations, or related technical disciplines. • Demonstrated experience supporting a Network Operations Center (NOC), Security Operations Center (SOC/CSOC), enterprise IT operations center, or comparable technical operations environment. • Demonstrated significant experience with Microsoft Sentinel, including alert monitoring, KQL log queries, entity analysis, runbooks, or escalation. • Demonstrated significant experience with Microsoft Azure, including portal navigation, Monitor/Log Analytics, VMs, Resource Health, or basic networking such as VNets/NSGs. • Demonstrated significant experience with networking fundamentals, including TCP/IP, DNS/DHCP, subnetting, VLANs, routing, firewalls, VPNs, or LAN/WAN. • Demonstrated significant experience troubleshooting outages, connectivity issues, packet loss/latency, or CPU/memory issues. • Demonstrated experience with tools for topology, paths, assets, segmentation, or vulnerabilities. • Demonstrated experience with Kusto Query Language (KQL) for searching, filtering, correlating, and investigating Microsoft Sentinel and Log Analytics data.

Why QSS? At QSS, you'll help shape the future of technical operations by supporting mission-critical technology integration and modernization efforts that strengthen the nation's cyber defense capabilities.

Benefits Include: • Competitive compensation with annual performance bonuses • Premium Medical, Dental, & Vision coverage • Generous PTO plus Federal Holidays • 401(k) with company match • Professional development and certification support