Core Network Engineer

Job Title: Core Network Engineer

Location: 100% remote role in the USA

Duration: 12-Month Contract

The Senior Core Network Systems Engineer should have demonstrable experience in assessing, designing, and maintaining network and server infrastructure, including planning, evaluating, coordinating, and performing installation and reconfiguration of hardware and software elements of data communications. Maintains technical expertise in network and computer hardware and software interconnection and interfacing, such as routers, firewalls, and switches.

The role requires providing regular monitoring and network analysis regarding short- and long-term planning, including disaster recovery. Develops, tests, and implements solutions that support current and future needs. Creates and maintains appropriate network policies, including operational, troubleshooting, and escalation guides in addition to architecture documentation and dataflow.

Essential Duties and Responsibilities

The Essential Duties and Responsibilities listed below are a range of duties performed by the employee and not intended to reflect all duties performed.

Network & Infrastructure Support

Troubleshoots complex network issues on the corporate network.

Maintains, supports, and administers servers, local/wide area networks (LAN/WAN), and wireless and VPN technologies.

Identifies and resolves connectivity problems between systems and works with vendors in troubleshooting and supporting systems and services.

Performs the installation, configuration, management, upgrade, and modification of network switches, routers, firewalls, network load balancers, wireless, VPN, and other related infrastructure technologies.

Supports the installation, configuration, management, upgrade, and modification of servers, including hypervisor hosts and Windows and Linux operating systems.

Works with vendors to implement remote L2L IPsec tunnels and facilitate access to necessary vendor-based applications and services.

Configures and maintains systems; installs, upgrades, and maintains hardware and software.

Customer & Vendor Support / Collaboration

Provides hardware and software support to IT personnel, customers, and offices.

Communicates with internal customers, vendors, and IT personnel to complete projects.

Works with vendors to obtain quotes and purchase hardware, software, support, and other IT-related equipment and services within the allotted budget.

Travels to remote sites as needed to complete projects.

Documentation & Process Management

Creates and maintains documentation to record network and hardware topologies.

Develops and maintains documentation.

Security, Compliance & Work Requirements

Understands and agrees to role-specific information security access and responsibilities.

Ensures safety and confidentiality of data and systems by adhering to the organization’s

information security policies.

Reads, understands, and agrees to security policies and completes all annual security and compliance training.

Must be available to work regular business hours in Pacific Standard Time.

Must also be available to work on-call, evenings and weekends as needed.

Other Duties

Performs other duties as required to support the business and evolving organization.

Required Qualifications

Minimum of 8 years of relevant experience managing local and wide area networks, communications systems, and related software and hardware in a multi-platform environment, including configuring, installing, and troubleshooting switches, routers, and firewalls.

Proficient with Linux, Windows Server, YAML, Ansible, shell scripting, etc.

Prior experience with NMS, RADIUS, and TACACS.

Proficient working with hypervisors—VMware ESXi, XenServer, and Proxmox.

Proven ability to troubleshoot complex networking issues.

Experience with DNS, DHCP, and IP addressing management and subnetting.

Working knowledge of virtual LANs and trunking protocol, ACLs, IPsec tunnels, and their implementation.

Experienced with configuring and troubleshooting routing/switching technologies, including TCP/IP, HSRP, VRRP, BGP, OSPF, VXLAN, 802.1q, IPsec (ESP, AH, IKE), DNS, DHCP, TACACS, and RADIUS in an enterprise-class environment.

Operational experience with configuring/troubleshooting switches, routers, firewalls, VPN, and wireless technologies, including Cisco, Juniper, F5 BIG-IP (LTM, DNS/GTM, Access/AMP), Fortinet/FortiGate, and pfSense/Netgate. …