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Senior Systems Administrator

Arlington, Virginia · Information Technology
G3 Innovative Solutions is an IT Services company founded to create innovative solutions to enhance the capabilities of our customers.  G3 employees have successfully satisfied the technology needs of the U.S. Government and we continue to maintain relationships with those who have specialized expertise in the federal market.  G3’s broad experience, focus toward desired outcomes, and commitment to Innovation ensures responsive and long-lasting results.

Job Description: G3 Innovative Solutions is currently seeking an experienced Senior System Administrator.
Duties and responsibilities:

  • Provide operational and maintenance (O&M) support for NIPRNET, SIPRNET, and JWICS system infrastructure for approximately 400 users.
  • Provide O&M support for Special Access System infrastructure for approximately 150 users.
  • Provide O&M support for Printer infrastructure, to include Pharos Secure Print.
  • Develop, implement, manage, and maintain VDI for thick/thin/zero clients and server virtualization technologies.
  • Provide O&M support for SQL Database infrastructure.
  • Provide O&M support for OMC server and desktop-based software applications.
  • Provide data backup and restoration capabilities for NIPRNET, SIPRNET, JWICS, and Special Access Systems.
  • Support replication of network file share volumes via Distributed Files System w/ Replication (DFS-R) between the NCR and NSGB locations.
  • Provide support for storage area network (SAN) and encrypted file storage capabilities.
  • Create/maintain a standalone workstation images in accordance with DOD security standards.
  • Provide systems recovery and repair operations employing industry best practices for systems troubleshooting and fault isolation.
  • Provide and/or facilitate the distribution and installation of security patches.
  • Assist with hardware and software technology refreshes, ensuring milestone compliance while coordinating with application owners to minimize disruptions.
  • Demonstrate day-to-day adherence with change management precepts and practices and is responsible for writing Change Requests and seeking approval.
  • 7+ years of experience with Microsoft System Administration in an enterprise environment, including Microsoft Active Directory, Group Policies, and Visual Basic Scripting
  • 4+ years of experience leading tasks of a similar size/scope
  • 4+ years of experience with the following IT disciplines:
    • Security configuration of Windows Server/Windows 10 and/or Windows 11
    • Microsoft SCCM or similar technologies
    • Maintaining PKI Infrastructure
    • Implementing and managing VDI Infrastructure Server Virtualization Technologies
  • One of the following Required Certifications:
  • CompTIA Advanced Security Practitioner (CASP) Continuing Education (CE),
  • Certified Information Systems Security Professional (CISSP),
  • Certified Information Security Manager (CISM).
  • AND Required Computing Environment Certifications listed below:
  • VMware Certified Professional (VCP),
  • AND one of the following:
  • Microsoft Certified Systems Engineer (MCSE) Core Infrastructure,
  • or Azure Solutions Architect Expert Certification

  • Bachelor's Degree in Computer Science, Information Systems, or other related field
  • Preferred; 3-years’ experience with Vormetric data encryption solutions
  • Arlington, VA
  • TS/SCI
Compensation:    Negotiable
Benefits Offered:  401K, Medical, Dental, Life, Medical, Vision, and more

Employment Type: Full-Time
Clearance (Required): Must currently possess a Top Secret with SCI eligibility level clearance


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