Sr. Network Administrator

OculusIT, Inc

  • Chicago, IL
  • 13 days ago

    Highlights

    The ideal candidate possesses strong expertise in Cisco and Fortinet technologies, network security, infrastructure migrations, and enterprise networking best practices, with a proven ability to ensure the high availability, performance, and security of critical business systems. Job Summary: The Senior Network Administrator is responsible for the design, implementation, administration, maintenance, and optimization of enterprise network infrastructure across data centers, cloud-connected environments, and customer sites.

    Numbers & Facts

    LocationChicago, IL

    Description

    About OculusIT

    At OculusIT, we help colleges and universities use technology to operate with confidence, serve their communities, and build a better future. Our work supports the systems higher education depends on every day - from cybersecurity, cloud, and infrastructure to ERP, data, and managed services.

    We're looking for people who want their work to matter, who take ownership, solve problems with clarity, and bring a team-first mindset to complex technology environments. If you're energized by meaningful work, continuous learning, and serving institutions with purpose, you'll find a strong fit here.

    As a global organization, our values guide how we work:

    • Trust is Built Through Action - We communicate openly, follow through, and earn trust through reliability.
    • We Own What We Do - We take responsibility for outcomes and stay with problems until they're solved.
    • Distill Clarity from Complexity - We make complicated challenges easier to understand, decide, and act on.
    • The Power of We - We collaborate across teams, roles, and perspectives to create better solutions.
    • Stay Ahead Always - We stay curious, keep learning, and apply new ideas to improve how we serve.
    • Work With Empathy - We listen, respect context, and remember there are people behind every system and decision.

    If this sounds like the way you want to work, we'd be excited to meet you.

    Job Summary:

    The Senior Network Administrator is responsible for the design, implementation, administration, maintenance, and optimization of enterprise network infrastructure across data centers, cloud-connected environments, and customer sites. This role provides technical leadership for network projects, security solutions, data center technologies, SD-WAN, wireless infrastructure, and next-generation networking platforms.

    The ideal candidate possesses strong expertise in Cisco and Fortinet technologies, network security, infrastructure migrations, and enterprise networking best practices, with a proven ability to ensure the high availability, performance, and security of critical business systems

    Key Responsibilities:

    Network Infrastructure Management

    • Design, deploy, and maintain enterprise network infrastructure, including routers, switches, wireless networks, and data center environments.
    • Manage and support LAN, WAN, VPN, SD-WAN, and wireless network solutions.
    • Monitor network performance, capacity, and availability while implementing improvements as needed.
    • Perform hardware lifecycle management, including EOL/EOS device replacement and upgrades.

    Network Security & Fortinet Administration

    • Configure, deploy, and maintain FortiGate firewalls, security policies, NAT, VPNs, and Unified Threat Management (UTM) capabilities.
    • Implement and manage IPSec and SSL VPN solutions for secure remote connectivity.
    • Conduct firewall rule reviews, security audits, and optimization activities.
    • Support network access control and identity management integrations.

    Cisco Data Center & Enterprise Networking

    • Implement and support Cisco ACI environments, including Single Pod, Multi-Pod, and Multi-Site architectures.
    • Manage and support Cisco Nexus Dashboard and Multi-Site Orchestrator (MSO) deployments.
    • Perform firmware upgrades, hardware replacements, and fabric enhancements.
    • Support Cisco DNA Center (DNAC), Cisco SDA, Cisco ISE, and wireless infrastructure deployments.

    Project Delivery & Implementation

    • Lead network projects from planning through implementation and transition to operations.
    • Develop High-Level Designs (HLDs), Low-Level Designs (LLDs), implementation plans, and technical documentation.
    • Conduct technical assessments and recommend infrastructure improvements.
    • Coordinate migrations, upgrades, and transformation initiatives across customer environments.

    Operations & Support

    • Troubleshoot complex network issues and provide escalation support for critical incidents.
    • Collaborate with internal and external stakeholders to ensure timely issue resolution and service continuity.
    • Ensure compliance with organizational change management processes.
    • Maintain network diagrams, SOPs, and operational documentation.

    Required Qualifications:

    • Bachelor's degree in information technology, Computer Science, Engineering, or a related field.
    • 5+ years of progressive experience in enterprise network administration, implementation, and engineering.
    • Strong hands-on experience with:
    • Cisco Routing & Switching
    • Cisco ACI
    • Cisco SDA / DNA Center
    • Cisco ISE
    • Cisco Wireless (WLC & Access Points)
    • Fortinet Firewalls & SD-WAN
    • VPN Technologies
    • Network Security Solutions
    • Experience managing network infrastructure projects and migrations.

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