Senior Systems Engineer & Technical Lead (Secret Clearance)

SteelGate LLC

Virginia, Northern (MN, KY)

Hybrid

USD 110,000 - 150,000

Full time

3 days ago
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Benefits offered by this job

401(k) matching
Health insurance
Dental insurance
Vision insurance
Paid time off
Professional development

Job summary

SteelGate LLC is seeking a Senior Systems Engineer / Technical Lead to provide enterprise-level IT systems engineering for a U.S. Government environment at Quantico, VA.

This full-time role requires a DoD Secret clearance and expertise across Windows Server, AD, DNS/DHCP, PKI, and cloud/virtualization technologies including VMware vSphere and Microsoft 365. The candidate will design, configure, monitor, secure, and sustain enterprise infrastructure, perform advanced troubleshooting, and develop

Qualifications

  • 8+ years of IT systems engineering, systems administration, or enterprise infrastructure experience.
  • Active DoD Secret security clearance.
  • Experience with Windows Server, AD, DNS/DHCP/LDAP/LDAPS, PKI, and enterprise identity services.
  • Experience with VMware vSphere/ESXi and Microsoft 365.
  • Familiarity with DISA STIGs and IAVA/IAVM requirements.

Responsibilities

  • Configure, monitor, troubleshoot, and secure enterprise networks and systems.
  • Lead Tier III engineering support and incident analysis.
  • Develop SOPs, architecture diagrams, and runbooks.
  • Plan upgrades, migrations, and performance optimization.
  • Coordinate with Cybersecurity, RMF/ATO, and cross‑functional teams.

Skills

Windows Server
Active Directory
DNS/DHCP/LDAP/LDAPS
VMware vSphere/ESXi
Microsoft 365
Azure/microsoft cloud
Security hardening/DISA STIGs
PowerShell scripting
DoD/Federal IT
Technical documentation

Education

Bachelor’s degree in Computer Science or related field
Microsoft certification (e.g., Windows Server/Azure)
CISSP/Security+ or equivalent

Tools

VMware vSphere/ESXi
PowerShell
ServiceNow
Microsoft System Center
Azure/AWS cloud tooling
DISA IAVA/IAVM tooling

Job description

SteelGate LLC is seeking a Senior Systems Engineer / Technical Lead to provide enterprise-level IT systems engineering for a U.S. Government environment at Quantico, VA.

This full-time role requires a DoD Secret clearance and expertise across Windows Server, AD, DNS/DHCP, PKI, and cloud/virtualization technologies including VMware vSphere and Microsoft 365. The candidate will design, configure, monitor, secure, and sustain enterprise infrastructure, perform advanced troubleshooting, and develop

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