Network Administrator
Location: Duluth, Minnesota
Applicants must be authorized to work in the US without sponsorship. Please note, this role is not able to offer visa transfer or sponsorship now or in the future.
Cognizant is seeking a Network Administrator to join our dynamic team for the overall management, maintenance, and troubleshooting of network systems, ensuring that internal and external communications are efficient, secure, and robust.
What You’ll Do In The Role
Network Infrastructure Management
Applicants must be authorized to work in the US without sponsorship. Please note, this role is not able to offer visa transfer or sponsorship now or in the future.
Cognizant is seeking a Network Administrator to join our dynamic team for the overall management, maintenance, and troubleshooting of network systems, ensuring that internal and external communications are efficient, secure, and robust.
What You’ll Do In The Role
Network Infrastructure Management
- Configure and maintain routers, switches, firewalls, and wireless networks
- Manage LAN, WAN, intranets, VPNs, and MPLS circuits
- Monitor network performance and ensure high availability and uptime
- Apply patches, firmware updates, and maintain hardware inventory
- Plan and execute network changes via formal change control processes
- Manage cloud networking on AWS VPC, Azure Virtual Network, and Google Cloud
- Oversee SD-WAN deployment and cloud-based SaaS integration
- Ensure reliable, secure connectivity for remote and distributed workforce
- Support hybrid cloud environments across on-prem and cloud-hosted workloads
- Configure and optimize cloud-native firewall and network access policies
- Implement and maintain Zero Trust Network Access (ZTNA) policies
- Manage firewall rules, IDS/IPS, and network access control (NAC) systems
- Conduct regular vulnerability assessments and patch management cycles
- Monitor for threats using SIEM tools; coordinate incident response
- Enforce SASE (Secure Access Service Edge) frameworks for distributed users
- Support compliance with ISO 27001, NIST, SOC 2, and GDPR requirements
- Deploy and manage network monitoring tools (SolarWinds, Datadog, Grafana)
- Perform proactive capacity planning and bandwidth trend analysis
- Use AIOps platforms for predictive fault detection and auto-remediation
- Maintain network documentation, diagrams, and configuration baselines (CMDB)
- Generate weekly/monthly SLA and performance reports for stakeholders
- Act as the first responder for network incidents (P1/P2 SLA adherence)
- Conduct root cause analysis (RCA) and post-incident reviews
- Maintain and test disaster recovery and business continuity plans
- Collaborate with NOC, SOC, and service desk for end-to-end incident resolution
- Document known errors and workarounds in the knowledge base
- Strong experience with routing & switching, Firewall, VPN
- Mandatory experience with monitoring
- Medical/Dental/Vision/Life Insurance
- Paid holidays plus Paid Time Off
- 401(k) plan and contributions
- Long-term/Short-term Disability
- Paid Parental Leave
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