C

Coretek Services

AI-driven Microsoft cloud consultancy and security

Network Engineer 3

Network Engineering & AdministrationConfirmed live in the last 24 hours
Full-timeRemote in USANo salary listedRemote

About the Job

Requirements

  • At least 5 years of enterprise network engineering experience, including at least 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.
  • Ability to move between design, hands-on implementation, troubleshooting, and client communication.
  • Microsoft Certified: Azure Network Engineer Associate (AZ-700) certification is required.
  • Technical expertise in Azure VNets, hub-and-spoke networking, Virtual WAN, ExpressRoute, VPN, hybrid connectivity, Palo Alto PAN-OS, Panorama and VM-Series, Fortinet FortiGate and FortiManager, BGP, OSPF, VLANs, SD-WAN, load balancing, DNS, Zero Trust, network segmentation, Azure Firewall, Terraform, Bicep, Ansible, and network automation.

Responsibilities

  • 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.
  • Align network designs with Cloud Adoption Framework landing-zone connectivity guidance and Well-Architected principles.
  • Maintain network diagrams, IP address plans, architecture decisions, and configuration standards.
  • Design, deploy, and manage Palo Alto (PAN-OS, Panorama, VM-Series) and Fortinet (FortiGate, FortiManager) 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, and security posture assessments, and create prioritized remediation plans.
  • 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.

Desired Qualifications

  • Palo Alto Networks Certified Network Security Professional certification.
  • Fortinet Certified Professional: Network Security certification.
  • Palo Alto Networks Certified Next-Generation Firewall Engineer certification.
  • Microsoft Certified: Azure Security Engineer Associate (AZ-500) certification.
  • CCNP Enterprise certification or equivalent.
  • Disciplined, methodical troubleshooting and strong network design judgment.
  • Consultative, client-focused communication during normal operations and high-severity incidents.
  • Ownership, accountability, urgency, and bias for action.
  • 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.

About the Company

Coretek Services

AI-driven Microsoft cloud consultancy and security

Coretek delivers Microsoft AI Cloud solutions through high-performance consulting, managed services, and security to help businesses tackle complex challenges. Its offerings combine AI-driven innovation with practical cloud services, including implementation, ongoing management, and protection of cloud workloads. The product mix centers on enabling organizations to build, deploy, and secure AI and cloud-based applications on Microsoft platforms. What sets Coretek apart is its specialized focus on Microsoft AI Cloud, integrated services, and end-to-end support—from strategy and design to execution and ongoing security—allowing clients to move from idea to deployed, secure solutions faster. The company’s goal is to help businesses achieve meaningful outcomes by leveraging Microsoft's cloud and AI capabilities to optimize operations, accelerate innovation, and reduce risk.

Company size
201-500
Company stage
Not listed
Total funding
Not listed
Headquarters
United States
Founded
2005

Recently Posted Jobs

Explore more opportunities at Coretek Services

See more jobs