Senior Enterprise Network & Cybersecurity Admin

Quantum Space; Tulsa (OK); On-site; USD 125,000 - 155,000; Full time

Job summary

Quantum Space in Rockville, MD or Hawthorne, CA is seeking a Network & Information Systems Administrator to design, implement, secure, and maintain the enterprise IT infrastructure powering engineering, manufacturing, and corporate operations.

You will work across Windows Server, Entra ID, cloud environments, and cybersecurity controls to ensure high availability and compliance in a fast-paced aerospace setting.

Qualifications

• Bachelor’s degree or equivalent in IT/CS/IS or related field.
• 5+ years of experience administering enterprise IT infrastructure, networks, and systems.
• Experience managing Windows Server, Active Directory, Microsoft 365, and Microsoft Entra ID environments.
• Strong understanding of TCP/IP networking, routing, switching, VPN technologies, ZTNA, and enterprise networking principles.
• Experience administering virtualization platforms including VMware, Hyper-V, or equivalent.
• Experience implementing enterprise backup, disaster recovery, and business continuity solutions.
• Strong knowledge of network security, firewalls, endpoint protection, vulnerability management, and cybersecurity best practices.
• Experience supporting Windows desktop environments and enterprise endpoint management.
• Excellent troubleshooting, analytical, and problem-solving skills.
• Strong written, verbal, and interpersonal communication skills.
• Ability to manage multiple priorities within a fast-paced environment.

Responsibilities

• Design, deploy, secure, and administer enterprise network infrastructure including switches, routers, firewalls, wireless networks, VPNs, ZTNA, and SDN technologies.
• Monitor and maintain network and systems performance to ensure high availability, reliability, and operational efficiency.
• Manage virtual networking and infrastructure hosted within Microsoft Azure, AWS, or other cloud environments.
• Install, configure, and maintain Windows servers, storage platforms, virtualization environments, backup systems, and disaster recovery solutions.
• Administer Microsoft 365, Microsoft Entra ID (Azure AD), identity lifecycle management, MFA, and conditional access policies.
• Manage enterprise endpoint deployment, system configuration, software distribution, patch management, and lifecycle maintenance.
• Implement and maintain cybersecurity controls aligned with NIST SP 800-171, CMMC, ITAR, and industry best practices.
• Monitor security events, investigate incidents, coordinate remediation activities, and support vulnerability management initiatives.
• Administer file services, permissions, data storage, backup strategies, and business continuity processes.
• Support engineering software licensing, CAD environments, and specialized technical applications supporting spacecraft development.
• Develop and maintain network diagrams, infrastructure documentation, asset inventories, system configurations, and standard operating procedures.
• Provide Tier II and Tier III technical support for engineering, manufacturing, and corporate users.
• Coordinate with vendors, managed service providers, and technology partners to resolve infrastructure and security issues.
• Participate in infrastructure modernization projects, technology deployments, and continuous improvement initiatives.
• Support cybersecurity audits, compliance activities, and government contracting requirements.

Skills

Network administration

Cybersecurity concepts

Troubleshooting

Documentation

Strong communication

Multitasking

Education

Bachelor's degree or equivalent in IT/CS/IS

Tools

Windows Server

Active Directory

Microsoft Entra ID (Azure AD)

Microsoft 365

VMware/Hyper-V

Azure/AWS

ZTNA/SDN

Job description

Quantum Space in Rockville, MD or Hawthorne, CA is seeking a Network & Information Systems Administrator to design, implement, secure, and maintain the enterprise IT infrastructure powering engineering, manufacturing, and corporate operations.

You will work across Windows Server, Entra ID, cloud environments, and cybersecurity controls to ensure high availability and compliance in a fast-paced aerospace setting.