Senior Pre-Sales Infrastructure / Network Design Engineer
New York, NY
Category: Engineer
Industry: Financial Services
Standard Hours: Open
Reference ID: JN -092026-108802
Date Posted: 09/28/2026
Shortcut: http://careers.eliassen.com/IfLozq
Description:
Hybrid 3 days onsite in either New York, NY or Lake Mary, FL
Our client seeks a Senior Pre-Sales Infrastructure / Network Design Engineer to act as a technical subject matter expert for connectivity initiatives across external clients, vendors, and internal technology teams. You will gather requirements, design end-to-end connectivity solutions, and remain engaged through implementation and troubleshooting. The role requires expertise in network connectivity, extranets, and DMZ environments, along with strong client-facing communication skills and broad infrastructure knowledge.
We can facilitate w2 and corp-to-corp consultants. For our w2 consultants, we offer a great benefits package that includes Medical, Dental, and Vision benefits, 401k with company matching, and life insurance.
Rate: $80.00 to $90.00/hr. w2
Responsibilities:
- Serve as the technical infrastructure and connectivity SME from project initiation through implementation.
- Meet with internal application and technology teams to understand business, application, and connectivity requirements.
- Engage directly with clients, vendors, and external partners to understand technical requirements and existing infrastructure capabilities.
- Evaluate and design connectivity solutions utilizing B2B VPNs, circuits, and third-party network providers.
- Develop end-to-end infrastructure and connectivity designs that address internal application needs and external client environments.
- Coordinate with internal technology teams responsible for services such as MQ and file transfer.
- Provide technical designs and requirements to engineering and deployment teams for implementation.
- Maintain technical involvement throughout the project lifecycle to provide guidance and subject matter expertise.
- Support troubleshooting during new implementations, connectivity changes, and production issues.
- Understand how network, infrastructure, web-based applications, messaging, and file transfer components interact from a connectivity perspective.
Experience Requirements:
- Strong experience with enterprise network connectivity and infrastructure design.
- Deep understanding of extranet and DMZ architectures.
- Experience designing connectivity between enterprise environments and external clients, vendors, or third parties.
- Strong understanding of B2B VPN connectivity, network circuits, and third-party network connectivity.
- Working knowledge of MQ within enterprise connectivity architectures.
- Experience with various file transfer protocols and technologies.
- Understanding of web-based applications from an infrastructure and network connectivity perspective.
- Broad understanding of enterprise infrastructure beyond traditional network engineering.
- Strong troubleshooting and problem-solving abilities for infrastructure and connectivity issues.
- Ability to develop end-to-end technical designs and communicate those designs to engineering and deployment teams.
- Strong client-facing communication skills with both technical and non-technical stakeholders.
Skills, experience, and other compensable factors will be considered when determining pay rate. The pay range provided in this posting reflects a W2 hourly rate; other employment options may be available that may result in pay outside of the provided range.
W2 employees of Eliassen Group who are regularly scheduled to work 30 or more hours per week are eligible for the following benefits: medical (choice of 3 plans), dental, vision, pre-tax accounts, other voluntary benefits including life and disability insurance, 401(k) with match, and sick time if required by law in the worked-in state/locality.
If anyone reaches out to you about an open position connected with Eliassen Group, please ensure that you are working directly with us by confirming the following:
· When you work with Eliassen Group, all email communication will come from an Eliassen.com address, never Gmail, Yahoo, etc.
· Eliassen Group will never ask you for personal information (home address, bank account, or check routing number) until you have worked with someone clearly associated with Eliassen Group.
If you have any indication of fraudulent activity, please contact fraud@eliassen.com.
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Eliassen Group is an Equal Opportunity/Affirmative Action Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, gender identity, national origin, age, protected veteran status, or disability status. Eliassen Group’s Affirmative Action Plan (AAP) is available for inspection by any employee or applicant for employment upon request, during normal business hours of Monday through Friday, 8:30am to 5:30pm EST. Interested persons should contact Phaedra Wells at pwells@eliassen.com for assistance. It is unlawful in Massachusetts and Maryland to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability.
Applicants with disabilities that believe they require an accommodation or assistance with a position, please email our HR team at hradmin@eliassen.com. This email inbox is designed exclusively to assist job seekers whose disability prevents them from being able to apply online. Emails sent for other purposes will not receive a response.
Please be advised that a number of fraudulent job postings have been released under the Eliassen Group brand.
Unfortunately, fraudulent job postings can happen. If anyone reaches out to you about an open position connected with Eliassen Group, never provide personal or financial information to anyone who is not clearly associated with Eliassen Group
If anyone seemingly from Eliassen Group has ever requested this personal information in the past or does so in the future, please contact fraud@eliassen.com.
Please ensure that you are working directly with us by confirming the following:
- When you work with Eliassen Group, all email communication will come from an Eliassen.com address, never Gmail, Yahoo, etc.
- Eliassen Group will never ask you for personal information (home address, bank account, or check routing number) until you have worked with someone clearly associated with Eliassen Group, as indicated above