HPC Network Engineer

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

The Company

NorthMark Compute & Cloud (NMC²) is backed by dedicated leadership and investment, with a clear mission as it operates at the bleeding edge of technology. Its goal is to scale and enhance the high-performance computing (HPC) and cloud infrastructure that supports its clients' research, production, and delivery, enabling breakthroughs that shape the industries of tomorrow. Its engineers build critical infrastructure to eliminate friction in scientific research, simulations, analysis, and decision‑making, accelerating discovery and driving faster innovation.

The Company

NorthMark Compute & Cloud (NMC²) is backed by dedicated leadership and investment, with a clear mission as it operates at the bleeding edge of technology. Its goal is to scale and enhance the high-performance computing (HPC) and cloud infrastructure that supports its clients' research, production, and delivery, enabling breakthroughs that shape the industries of tomorrow. Its engineers build critical infrastructure to eliminate friction in scientific research, simulations, analysis, and decision‑making, accelerating discovery and driving faster innovation.

The Position

We are seeking a Network Engineer to join our Network and Security Platform Management team, which is responsible for a global network footprint across office, data center and co‑location environments. In this position, you will leverage your deep technical expertise in large‑scale data center network operations to ensure performance, resilience and scalability. You will play a key role in implementing and supporting cutting‑edge networking solutions that support complex compute and research workflows, and work collaboratively across multiple engineering and operations teams.

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

Requirements

• 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 tools like 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; comfortable managing priorities in high‑pressure scenarios


• CCNP or equivalent level of certification preferred; CCIE or relevant vendor certifications a strong plus


• Experience with InfiniBand technology and managing large‑scale High Performance Computing (HPC) clusters

It is impossible to list every requirement for, or responsibility of, any position. Similarly, we cannot identify all the skills a position may require since job responsibilities and the Company’s needs may change over time. Therefore, the above job description is not comprehensive or exhaustive. The Company reserves the right to adjust, add to or eliminate any aspect of the above description. The Company also retains the right to require all employees to undertake additional or different job responsibilities when necessary to meet business needs.

Must be legally authorized to work in the United States without the need for employer sponsorship, now or at any time in the future.

Benefits & Perks

• Company‑Paid Lunch Stipend: Lunch is provided via GrubHub


• Company‑Paid Benefits: 100% Employer‑Paid Medical in our High Deductible Health Plan, Dental and Vision benefits for employees and their families, 16 weeks of Paid Parental Leave, Employee Assistance Program, Life insurance, Short‑Term Disability and Long‑Term Disability


• 401(k): Company will match 100% of your contributions up to 6%


• Optional Employee‑Paid Benefits: Medical insurance in our PPO plan and a variety of other benefits such as Health Savings Accounts (with Company Contribution!), Flexible Spending Accounts, Supplemental Life Insurance, Wellhub and more.


• Time Off: 25 days of Paid Time Off plus 12 company holidays

EQUAL OPPORTUNITY EMPLOYER

NORTHMARK STRATEGIES LLC IS AN EQUAL EMPLOYMENT OPPORTUNITY EMPLOYER. THE COMPANY'S POLICY IS NOT TO DISCRIMINATE AGAINST ANY APPLICANT OR EMPLOYEE BASED ON RACE, COLOR, RELIGION, NATIONAL ORIGIN, GENDER, AGE, SEXUAL ORIENTATION, GENDER IDENTITY OR EXPRESSION, MARITAL STATUS, MENTAL OR PHYSICAL DISABILITY, AND GENETIC INFORMATION, OR ANY OTHER BASIS PROTECTED BY APPLICABLE LAW. THE FIRM ALSO PROHIBITS HARASSMENT OF APPLICANTS OR EMPLOYEES BASED ON ANY OF THESE PROTECTED CATEGORIES.