Test Enterprise Network Modernization; TENM Engineer III - SME

Test Enterprise Network Modernization (TENM) Engineer III - SME

Seneca Holdings (Great Hill Solutions, LLC), part of the Seneca Nation Group (SNG), seeks a senior Test Enterprise Network Modernization Engineer positioned in Orlando, FL, to provide technical leadership for the design, development, integration, and implementation of enterprise network infrastructure supporting the Army Test and Evaluation Command (ATEC).

• Lead the design, development, and implementation of enterprise network architectures supporting ATEC test missions.
• Provide technical expertise for modernization of wired and wireless network infrastructure, including routing, switching, fiber, and wireless systems.
• Support the integration of commercial off‑the‑shelf (COTS) hardware and software solutions consistent with enterprise standards, cybersecurity requirements, and test center operational needs.
• Support acquisition lifecycle activities, including responding to Requests for Information (RFI), participating in Market Assessment Discussions (MAD), and providing technical input to acquisition strategies and planning documents.
• Collaborate with government stakeholders, program managers, cybersecurity personnel, and test center engineers to ensure interoperability, commonality, and configuration standardization across the enterprise.
• Provide technical guidance and oversight for fiber modernization efforts to improve data throughput, reliability, redundancy, and lifecycle sustainability.
• Support future wireless networking initiatives by evaluating, integrating, and optimizing existing and developmental wireless technologies at test centers and operational test locations.
• Ensure compliance with DoD, Army, and ATEC cybersecurity, network management, and configuration control requirements.
• Contribute to enterprise documentation, technical assessments, and implementation planning in support of TENM program objectives.

• Minimum of 10 years of experience leading network design, development, and implementation of enterprise infrastructure environments.
• Demonstrated experience supporting large‑scale network modernization or infrastructure programs.
• Familiarity with DoD acquisition processes, including RFIs, market research activities, and technical evaluations.
• Bachelor’s degree in engineering or applicable professional certifications in cybersecurity and networking (e.g., CCNP, CISSP, Security+, or equivalent).

• Experience supporting Test & Evaluation (T&E) environments or operationally complex, geographically distributed networks.
• Familiarity with enterprise network standardization, configuration management, and lifecycle sustainment.
• Experience integrating fiber and wireless networking solutions in mission‑critical environments.

Seneca Holdings provides equal employment opportunities to all employees and applicants without regard to race, color, religion, sex/gender, sexual orientation, national origin, age, disability, marital status, genetic information and/or predisposing genetic characteristics, victim of domestic violence status, veteran status, or other protected class status. This policy applies to all terms and conditions of employment, including, but not limited to, hiring, placement, promotion, termination, layoff, recall, transfer, leave of absence, compensation and training.

The Company also prohibits retaliation against any employee who exercises his or her rights under applicable anti‑discrimination laws. Notwithstanding the foregoing, the Company does give hiring preference to Seneca or Native individuals. Veterans with expertise in these areas are highly encouraged to apply.

• Mid‑Senior level

• Full‑time

• Quality Assurance

• Technology, Information and Internet