Enterprise IT Network Administrator

HIDDEN LEVEL INC•Syracuse, NY

1d•$88,000 - $113,000•Onsite

About The Position

At Hidden Level, we’re building the future of airspace awareness through cutting-edge RF sensing technology. Our mission is to make the world safer—whether it’s protecting troops, securing infrastructure, or enabling smarter cities. We design, manufacture, and deploy advanced sensor systems that deliver real-time insights for defense and commercial applications. As we expand, we're looking for an experienced Enterprise IT Network Administrator to manage, maintain, and enhance the company's enterprise network infrastructure and IT systems. This role will be responsible for ensuring the availability, security, and performance of corporate networks, servers, cloud-connected environments, and enterprise services that support business operations and engineering teams. The ideal candidate combines strong networking expertise with systems administration experience and a security-first mindset. This individual will play a key role in supporting a growing organization operating in a highly regulated and mission-critical environment, including environments subject to CMMC Level 2 and NIST 800-171 cybersecurity requirements.

Requirements

A security-first mindset with experience designing, administering, and maintaining secure infrastructure environments.
A strong sense of ownership and accountability, with a commitment to operational excellence and reliability.
The ability to balance long-term strategic improvements with responsive day-to-day operational support.
Curiosity and enthusiasm for continuous learning, emerging technologies, and process improvement.
Familiarity with compliance-focused environments and an interest in supporting CMMC Level 2 and NIST 800-171 compliance initiatives.
A collaborative, mission-driven professional who is excited to contribute to advancing national security and airspace awareness.
Bachelor's degree in Information Technology, Computer Science, Engineering, or related field; equivalent experience considered.
8+ years of experience administering enterprise networks and infrastructure.
Strong knowledge of TCP/IP networking, routing, switching, VLANs, DNS, DHCP, VPNs, and wireless technologies.
Experience administering Windows Server, Active Directory, and Microsoft enterprise environments.
Experience managing firewalls and network security solutions.
Proficiency with network monitoring, troubleshooting, and performance analysis tools.
Strong understanding of cybersecurity principles and best practices.
Familiarity with NIST SP 800-171 requirements and cybersecurity controls within regulated or defense-related environments.
Excellent problem-solving, communication, and documentation skills.
Ability to work effectively in a fast-paced, collaborative environment.

Nice To Haves

Experience supporting organizations in defense, aerospace, manufacturing, or regulated industries.
Experience with Microsoft Azure, Intune, Entra ID (Azure AD), and Microsoft 365 administration.
Familiarity with Linux systems administration.
Experience with virtualization platforms (VMware vSphere, Hyper-V).
Working knowledge of CMMC Level 2 requirements and experience supporting compliance initiatives.
Knowledge of NIST 800-171, NIST 800-53, CMMC, or similar cybersecurity frameworks.
Experience supporting environments that process, store, or transmit Controlled Unclassified Information (CUI).
Relevant certifications such as: Cisco CCNA/CCNP, CompTIA Network+, CompTIA Security+, Microsoft Certifications, VMware Certifications, Certified CMMC Professional (CCP) or similar cybersecurity/compliance certifications

Responsibilities

Design, implement, maintain, and troubleshoot enterprise network infrastructure, including LAN, WAN, wireless, VPN, and Internet connectivity.
Administer and support network hardware including switches, routers, firewalls, and wireless access points.
Monitor network performance, availability, and capacity; proactively identify and resolve issues.
Manage network segmentation, VLANs, routing, switching, and access control policies.
Support multi-site connectivity and remote workforce infrastructure.
Assist in designing and maintaining secure network architectures that support compliance with CMMC Level 2 and NIST 800-171 requirements.
Administer Windows Server environments, Active Directory, Group Policy, DNS, DHCP, and related services.
Support virtualization platforms such as VMware or Hyper-V.
Manage enterprise storage, backup, disaster recovery, and business continuity solutions.
Maintain endpoint management platforms and systems lifecycle processes.
Support cloud-integrated services including Microsoft 365, Azure, and related technologies.
Implement and maintain system configurations that align with security baselines and compliance requirements.
Implement and maintain security controls aligned with organizational and regulatory requirements.
Manage firewalls, VPNs, endpoint security solutions, and identity management systems.
Participate in vulnerability management, patching, incident response, and remediation activities.
Assist with audits, documentation, and compliance initiatives related to defense industry requirements.
Monitor and investigate security alerts and suspicious activity.
Support the organization's CMMC Level 2 compliance efforts, including implementation and maintenance of controls aligned with NIST SP 800-171.
Assist with System Security Plan (SSP) documentation, Plans of Action and Milestones (POA&M), evidence collection, and assessment readiness activities.
Collaborate with internal stakeholders to ensure systems handling Controlled Unclassified Information (CUI) meet applicable security requirements.
Provide Tier II/III support for complex network and infrastructure issues.
Collaborate with Help Desk and engineering teams to resolve escalated technical problems.
Develop and maintain technical documentation, procedures, and architecture diagrams.
Participate in after-hours maintenance activities and on-call support as needed.