Senior PreSales Infrastructure/Network Design Engineer

Job Description:Senior Pre-Sales Infrastructure/Network Design Engineer Location: New York, NY or Lake Mary, FL (Must be able to work onsite 3 days per week.) Length: 6+ month Assignment Pay Range: $90 - $95/hour W2 Role OverviewAn established organization requires a Senior Pre-Sales Infrastructure/Network Design Engineer to drive client connectivity initiatives within the Infrastructure Platform division. This client-facing role functions as a technical Subject Matter Expert, leading the design of client-specific connectivity solutions and providing technical oversight throughout the onboarding lifecycle. The successful candidate will possess strong expertise in network and extranet design, translating client requirements into secure architecture while demonstrating how application traffic traverses firewalls, load balancers, and routing infrastructure.Key Responsibilities * Develop client-specific infrastructure and connectivity designs using approved standard architectures, identifying and routing exceptions for further review. * Partner with external clients, application teams, service owners, and internal infrastructure teams to gather requirements and establish end-to-end technical designs. * Lead technical discovery and kickoff discussions to explain available design options and obtain client agreement. * Create and maintain high-quality technical documentation, including standardized PowerPoint presentations and precise Visio network diagrams. * Analyze and document application flows across network infrastructure, including private extranet connections, firewalls, load balancers, and routers. * Coordinate implementation activities with network engineering teams responsible for direct hardware and device configuration. * Validate implementations against approved designs and collaborate with clients on connectivity testing and troubleshooting. * Support strategic connectivity work related to tokenization initiatives and broader infrastructure modernization efforts. * Manage a fast-paced portfolio of concurrent client onboarding projects varying in complexity and duration.Required QualificationsEducation: Bachelors degree in Engineering, Computer Science, or a related technical field.Experience: Ten or more years of experience in network engineering, infrastructure engineering, or technical solutions architecture. Flexible consideration will be given to candidates demonstrating equivalent depth in client-facing solution design.Technical Skills: Deep understanding of network engineering principles, extranet technology, DMZs, private client connectivity models, VPNs, file transfers, and application traffic flows through firewalls, load balancers, and routers. Proficiency in creating technical design documentation using Visio and PowerPoint is required.Preferred Qualifications * Prior experience in a pre-sales engineering, solutions architecture, or client solutions architect capacity. * Experience within securities, financial services, fintech, or other highly regulated technology environments. * Familiarity with network diagnostic and observability tools such as Splunk or Forward Networks. * Proven ability to manage multiple client projects simultaneously while maintaining clear and structured communications. Everforth Apex is a world-class IT services company that serves thousands of clients across the globe. When you join Everforth Apex, you become part of a team that values innovation, collaboration, and continuous learning. We offer quality career resources, training, certifications, development opportunities, and a comprehensive benefits package. Our commitment to excellence is reflected in many awards, including ClearlyRateds Best of Staffing in Talent Satisfaction in the United States and Great Place to Work in the United Kingdom and Mexico.Everforth Apex uses a virtual recruiter as part of the application process. Click here for more