Core Natural Resources · 17 hours ago
Network Engineer
CONSOL Energy, 275 Technology Drive Suite 101, Canonsburg, Pennsylvania, United States of America
Full-time
Onsite
Senior Level
5+ years expCore Natural Resources is a company focused on maintaining reliable and secure network infrastructure. The Network Engineer will design, implement, and support the enterprise and remote-site network infrastructure, ensuring connectivity across various operational environments.
Mining & Metals
Responsibilities
Accept, embrace & promote the core values of Core Natural Resources: Safety, Sustainability & Continuous Improvement
Design, deploy, and maintain enterprise and site-level network architectures, including LAN, WAN, WLAN, and SD-WAN environments
Support ongoing network consolidation and modernization initiatives resulting from mergers and acquisitions
Develop standard network designs for remote and industrial sites, balancing reliability, security, and operational constraints
Participate in network capacity planning, lifecycle management, and refresh initiatives
Administer and support network hardware including firewalls, switches, routers, wireless access points, and cellular or backup connectivity
Configure, maintain, and troubleshoot VLANs, routing, NAT, and firewall policies
Build, maintain, and troubleshoot site-to-site VPN tunnels and remote-access VPN solutions
Provide day-to-day operational support for Palo Alto firewall environments, including rule changes, troubleshooting traffic flows, and analyzing logs
Support remote access technologies such as GlobalProtect and Azure/AOVPN-style solutions
Troubleshoot complex network issues across corporate, datacenter, and remote locations
Create and update network diagrams using tools such as Visio (experience with Visio or similar diagramming tools is a plus)
Develop and improve SOPs, runbooks, and troubleshooting guides
Participate in on-call rotations and planned maintenance windows
Qualification
Required
5+ years of hands-on experience in enterprise networking roles
Strong knowledge of TCP/IP networking, routing, switching, and wireless technologies
Experience supporting firewalls and security appliances (Palo Alto experience strongly preferred)
Experience with Aruba switching and wireless platforms (or comparable enterprise solutions)
Solid understanding of VLANs, routing protocols, NAT, VPNs, and network segmentation
Experience supporting geographically distributed and remote sites
Ability to troubleshoot complex, multi-layer network issues
Strong documentation, communication, and collaboration skills
Preferred
Strong hands-on experience with Palo Alto firewalls (PCNSE or equivalent experience strongly preferred)
Experience with SD-WAN solutions
Familiarity with cloud networking concepts (Azure networking, VPN gateways, ExpressRoute, etc.)
Experience with network monitoring platforms (SolarWinds, LogicMonitor, or similar)
Strong documentation skills, including creating clear and accurate network diagrams
Proficiency with Visio or similar network diagramming tools
Relevant certifications (e.g., CCNP, PCNSE, Aruba certifications)
Company
Core Natural Resources
Core Natural Resources is a world-class producer and exporter of high-quality, low-cost coals, including metallurgical and high calorific value thermal coals.
5001-10000 employees
H1B Sponsorship
Core Natural Resources has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (1)
Funding
Current Stage
Late StageCompany data provided by crunchbase