Senior HPC Network Engineer – Global Data Center

NorthMark Strategies; United States; On-site; USD 120,000 - 180,000; Full time

Benefits offered by this job

Lunch stipend

Employer-paid medical, dental, vision

401(k) match

Paid time off & holidays

Additional voluntary benefits

Job summary

NorthMark Strategies is seeking a Network Engineer to join the Network and Security Platform Management team. You will manage a global data center network footprint, ensuring performance, resilience and scalability across offices, data centers, and co-location sites.

Responsibilities include troubleshooting, automation with Python/Ansible, and implementing WANs with IOS-XR, segment routing, and multitenancy. Leadership and DevOps collaboration are essential in this role.

Qualifications

• Proven experience operating and engineering large-scale enterprise or data center networks.
• Strong expertise in Cisco and Arista hardware and software platforms, including IOS, IOS-XR, NX-OS and EOS.
• In-depth understanding and hands-on experience with BGP, OSPF, EVPN, VXLAN and MPLS technologies.
• Practical experience in WAN technologies, including SD-WAN, segment routing and multitenancy environments.
• Basic knowledge in scripting and automation and familiarity with Python, Ansible, Jinja2 and Git.
• Strong diagnostic skills, including packet analysis and performance tuning.
• Experience with network monitoring tools and predictive analysis systems.
• Demonstrated ability to work in Agile and DevOps-oriented environments.
• Excellent communication and leadership skills; CCNP or equivalent certification preferred; CCIE or relevant vendor certifications a strong plus.
• Experience with InfiniBand technology and managing large-scale HPC clusters.

Responsibilities

• Implementing and maintaining scalable and resilient data center network infrastructure, built on Cisco and Arista technologies.
• Leading troubleshooting and break/fix efforts for complex enterprise network issues involving routing, switching, firewalls and WAN infrastructure.
• Automating operational tasks, using tools such as Git, Ansible, Python and Jinja2.
• Implementing and managing WAN networks using IOS-XR, segment routing and multitenant design principles.
• Monitoring and proactively managing the health and performance of a global network infrastructure, using modern telemetry and observability tools.
• Supporting and operating Infrastructure-as-Code and CI/CD practices for network provisioning.
• Collaborating with the Network Engineering team to deliver high-quality designs and ensuring the successful roll-out of strategic initiatives.
• Working closely with Data Center, Security and DevOps teams to ensure alignment on infrastructure goals and configurations.
• Mentoring and coaching junior team members; promoting knowledge sharing and documentation across the team.
• Conducting regular network audits and ensuring compliance with internal standards and best practices.

Skills

Large-scale networks

BGP

OSPF

EVPN

VXLAN

MPLS

Scripting (Python, Ansible, Jinja2)

Git

WAN technologies

Agile/DevOps

Leadership skills

Education

CCNP or equivalent certification

CCIE preferred

Tools

Cisco IOS

IOS-XR

NX-OS

EOS

Arista hardware

InfiniBand

Job description

NorthMark Strategies is seeking a Network Engineer to join the Network and Security Platform Management team. You will manage a global data center network footprint, ensuring performance, resilience and scalability across offices, data centers, and co-location sites.

Responsibilities include troubleshooting, automation with Python/Ansible, and implementing WANs with IOS-XR, segment routing, and multitenancy. Leadership and DevOps collaboration are essential in this role.