Principal Systems Engineer – Government

About the role

The Principal Systems Engineer – OSS Design & Architecture will lead the design, development, integration and documentation of Operations Support Systems for a critical federal program. This senior individual contributor works on‑site five days a week in Middletown, NJ, translating technical and operational requirements into scalable OSS solutions.

Key responsibilities

• Support the Chief Engineer and Systems Lead in developing and maturing the end‑to‑end OSS architecture.
• Develop and document system architecture, functional requirements, interfaces, data flows and integration needs.
• Translate program, security and performance requirements into detailed subsystem specifications.
• Evaluate OSS products and vendor solutions, perform trade studies and recommend technical solutions.
• Coordinate verification, test scenarios and acceptance criteria with test engineering.
• Participate in architecture and design reviews, technical interchange meetings and system integration activities.

Required profile

• Bachelor’s degree in Systems Engineering, Computer Science, Telecommunications or related field.
• Significant experience in systems engineering, solution architecture and OSS environments within multi‑vendor networks.
• Strong analytical, troubleshooting and technical communication skills.
• Experience supporting large federal or mission‑critical infrastructure programs is preferred.

Required skills

• Systems engineering principles: requirements analysis, architecture, interface definition, verification and validation.
• Network management functions: fault, configuration, performance, inventory, monitoring, telemetry and service assurance.
• Knowledge of network telemetry, SNMP, APIs, event management, topology and automation.
• Experience with IP, WAN, SD‑WAN and large‑scale managed network environments.

What we offer

• Annual salary range $174,100 – $261,100 USD.
• Medical, dental and vision coverage, 401(k) plan and tuition reimbursement.
• Paid time off, parental and caregiver leave, adoption reimbursement and disability benefits.
• Employee discounts on AT&T mobility, internet and phone services.