Network Engineer, L-3

🔥 4 minutes ago

🇺🇸 United States – Remote

⏰ Full Time

🟡 Mid-level

🟠 Senior

🛜 Network Engineer / Network Administrator

🦅 H1B Visa Sponsor

This company has sponsored H1B visas in the past.

👻 Ghost score 10%

What it means: how likely this posting is sitting open without active hiring.How to read it: 60% or higher means we think this is a ghost. Lower scores are less of a worry.How we score it: age, reposts, open roles vs team size, how fast jobs close, and whether pay is listed.Fine print: an estimate from public data, not a judgment of the company. Real jobs can score high, so treat it as a hint, not a fact.

Apply Now

Find Similar Remote Jobs

Set Up Email Alert For New Jobs

📊 Check your resume score for this job

Improve your chances of getting an interview by checking your resume score before you apply.

Upload Resume

Coretek

WebsiteLinkedInAll Job Openings

51 - 200 employees

💼 Consulting

🏥 Healthcare

🏭 Manufacturing

Consulting • Healthcare • Manufacturing

Coretek is a nationally recognized Microsoft Azure Expert Managed Service Provider (MSP) and the number one Microsoft Cloud Solution Provider in the United States. The company specializes in providing cloud solutions, security services, and AI-driven innovations to a wide range of industries, including government, healthcare, manufacturing, and financial services. Coretek offers a variety of services such as cloud migration, app modernization, DevOps automation, and workspace management. They are known for their comprehensive security solutions, leveraging platforms like Palo Alto and Dynatrace, and their partnerships with companies like Imprivata and Citrix. Coretek's expertise extends to Azure OpenAI services, making them a leader in delivering innovative AI and machine learning solutions. Their commitment to technology excellence has earned them a spot on the Inc. 5000 list of fastest-growing private companies and recognition as a Microsoft Partner of the Year finalist.

📋 Description

• Design, deploy, and support Azure network architectures including hub-and-spoke, Virtual WAN, VNets, peering, UDRs, NSGs, Private Endpoints, and Private DNS. • Implement and troubleshoot hybrid connectivity using site-to-site VPN, point-to-site VPN, and ExpressRoute. • Configure and support Azure Firewall, Application Gateway/WAF, Azure Load Balancer, Front Door, and DNS services. • Maintain network diagrams, IP address plans, architecture decisions, and configuration standards. • Design, deploy, and manage Palo Alto and Fortinet firewalls on-premises and in Azure. • Build and maintain security policies, NAT, IPsec tunnels, GlobalProtect/remote access VPN, URL filtering, and threat prevention profiles. • Apply Zero Trust and network segmentation principles across cloud and data center environments. • Perform firewall rule reviews, policy cleanup, security posture assessments, and prioritized remediation planning. • Coordinate with security operations teams on threat investigations, vulnerability remediation, and compliance requirements. • Support and optimize routing and switching environments, including BGP, OSPF, VLANs, STP, and Layer 2/Layer 3 designs. • Manage SD-WAN, wireless, load balancing, and data center network infrastructure. • Plan and execute network upgrades, migrations, firmware/OS lifecycle management, and data center-to-cloud transitions. • Validate capacity, redundancy, and failover designs to meet availability commitments. • Provide L3 escalation support for complex network, firewall, connectivity, and performance issues across multiple clients. • Lead technical triage, packet capture and traffic analysis, service restoration, and coordination with ISPs, vendors, and client teams. • Perform root cause analysis, document corrective actions, and eliminate recurring incidents through engineering improvements. • Improve network monitoring, alert quality, runbooks, and change and maintenance procedures. • Participate in an escalation/on-call rotation and provide clear, timely status communications during major incidents. • Automate network deployment and configuration tasks using Terraform, Bicep, Ansible, PowerShell, or Python. • Develop and enforce network standards, templates, and configuration baselines across client environments. • Review incident, ticket, and capacity trends to identify proactive improvements. • Track remediation completion, risk reduction, and service stability outcomes. • Serve as a trusted network advisor and escalation point for managed services clients. • Lead network design reviews, technical discovery, and recommendation readouts. • Mentor Systems Engineers and service desk staff and build reusable troubleshooting guidance and knowledge articles. • Collaborate with Azure, security, EUC, service delivery, and account teams; support presales discovery and client onboarding into managed services.

🎯 Requirements

• 5+ years of enterprise network engineering experience, including 4+ years as a Cloud Network Engineer supporting multiple clients and systems. • Hands-on experience designing and supporting Azure networking and hybrid connectivity in production environments. • Strong experience administering Palo Alto and/or Fortinet next-generation firewalls. • Experience providing L3 escalation support, leading major incident triage, and completing root cause analysis in a managed services or multi-client environment. • Proven ability to move between design, hands-on implementation, troubleshooting, and client communication. • Azure Networking: VNets, hub-and-spoke, Virtual WAN. • ExpressRoute, VPN, and hybrid connectivity. • Palo Alto PAN-OS, Panorama, and VM-Series. • Fortinet FortiGate and FortiManager. • Routing and switching: BGP, OSPF, VLANs. • SD-WAN, load balancing, and DNS. • Zero Trust, segmentation, and Azure Firewall. • Terraform, Bicep, Ansible, and network automation. • Microsoft Certified: Azure Network Engineer Associate (AZ-700) – required. • Palo Alto Networks Certified Network Security Professional. • Fortinet Certified Professional: Network Security. • Palo Alto Networks Certified Next-Generation Firewall Engineer. • Microsoft Certified: Azure Security Engineer Associate (AZ-500). • CCNP Enterprise or equivalent. • Disciplined, methodical troubleshooting and strong network design judgment. • Consultative, client-focused communication during normal operations and high-severity incidents. • Ability to work independently while collaborating across cloud, security, and support teams. • Strong documentation, knowledge transfer, and diagramming skills. • Coaching mindset and willingness to grow the technical capability of the team. • Commitment to secure, stable, automated, and standards-driven network outcomes.