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Sr. Network Administrator

Job in South Naperville Area, Will County, Illinois, 60564, USA
Listing for: Keka Technologies Private Limited
Full Time position
Listed on 2026-08-26
Job specializations:
  • IT/Tech
    Network Engineer, Systems Administrator, Cybersecurity, Systems Engineer
Salary/Wage Range or Industry Benchmark: 110000 - 150000 USD Yearly USD 110000.00 150000.00 YEAR
Job Description & How to Apply Below

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 Forti Gate 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 Wireless (WLC & Access Points)
  • Fortinet Firewalls & SD-WAN
  • VPN Technologies
  • Network Security Solutions
  • Experience managing network infrastructure projects and migrations.
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