Sr. Network Engineer - Contractor

SK Hynix Memory Solutions America

$130K — $155K *
Information Technology
8 - 10 years of experience
Job Overview by Ladders

Qualifications

  • Bachelor's degree or Associate degree with CCIE written exam.
  • Current CCNP certification with an aspiration for CCIE certification.
  • 10+ years of experience in complex network infrastructure design and support.
  • Deep knowledge of Cisco Catalyst and Nexus, IOS, NX-OS, and Arista EOS.
  • Expertise in routing and switching protocols including OSPF, BGP, STP, VRF, IPv4 subnetting.
  • Strong background in network security protocols like 802.1X and IPsec VPN.
  • Hands-on experience with Cisco Wireless LAN Controllers and conducting wireless site surveys.

Responsibilities

  • Update and create network diagrams for various environments.
  • Install and configure network devices including routers and switches.
  • Perform scheduled maintenance and enforce corporate security policies.
  • Diagnose and resolve critical incidents within SLA.
  • Lead technical projects and document project scope and plans.
  • Collaborate within a team to maintain accurate network documentation.
  • Communicate technical updates clearly to stakeholders.

Benefits

  • Opportunities for professional development and growth.
  • Collaborative team environment that fosters knowledge sharing.
  • Engagement in complex technical projects with ample support.
  • Flexible working arrangements with on-call support options.
Full Job Description
About the Team:

We are seeking a senior-level Network Engineer to design, deploy, configure, and manage a broad spectrum of network and security infrastructure. The role includes responsibility for WAN, data-center, campus, wireless, firewalls, routers, switches, network-monitoring tools, and VPN solutions. Experience with data-center relocations and new campus network design is highly valued.

About the Role:

Key Responsibilities
  • Network Design & Documentation
    • Update existing network diagrams and produce "to-be" designs for new campus, data-center, labs, and office environments.
    • Create and maintain high-quality documentation for WAN, LAN, data-center, wireless, and firewall designs and installations.
  • Implementation & Commissioning
    • Install, configure, and test routers, switches, firewalls, wireless controllers, access points, and associated software.
    • Validate hardware, software, and connections to ensure proper configuration and performance.
  • Operations & Maintenance
    • Perform scheduled maintenance, including software/firmware upgrades and equipment refreshes.
    • Enforce corporate change-control and security policies; maintain standard operating procedures and checklists.
    • Advanced knowledge of OSPF, BGP, STP, BGP, VRF, IPv4 sub netting, 802.1x, PEAP-MSCHAPv2, TACACS+, SYSLOG, Cisco IOS, Cisco NX-OS, Arista
  • Incident Management
    • Diagnose and resolve critical incidents within defined SLA.
    • Provide after-hours on-call support for service restoration, troubleshooting, and equipment repair.
  • Project Management
    • Document project scope, budget, schedule, test plans, and delivery terms.
    • Lead complex technical projects with minimal supervision and provide peer verification of release plans.
  • Team Leadership & Mentoring
    • Collaborate effectively within a team environment.
    • Ensure accurate network documentation and facilitate knowledge sharing.
  • Communication
    • Communicate clearly with stakeholders at all organizational levels; produce concise status and technical reports.


Required Qualifications
  • Bachelor's degree (or Associate degree + CCIE written exam).
  • Current CCNP certification; ambition to obtain CCIE (full exam).
  • Minimum of 10 years experience designing, implementing, and supporting complex network infrastructures.
  • Deep knowledge of Cisco Catalyst and Nexus platforms, Cisco IOS, NX-OS, and Arista EOS.
  • Advanced expertise in routing and switching protocols: OSPF, BGP, STP, VRF, and IPv4 subnetting.
  • Strong security background: 802.1X, PEAP-MSCHAPv2, TACACS+, SYSLOG, Palo Alto NGFW, Panorama (including IPsec VPN).
  • Hands-on experience with Cisco Wireless LAN Controllers, ISE, and access points; ability to perform wireless site surveys.
  • Proficiency with monitoring tools (SolarWinds) and IP services (Infoblox DHCP/DNS).
  • Experience managing Cisco UCS environments with virtual-machine orchestration.
  • Proven ability to manage large-scale technical projects with minimal guidance.
  • Excellent analytical, troubleshooting, and communication skills; proactive, mission-driven attitude.

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