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Staff Engineer, Software ; Austin

Job in Merrimack, Hillsborough County, New Hampshire, 03054, USA
Listing for: Celestica
Full Time position
Listed on 2026-01-01
Job specializations:
  • Software Development
    Software Engineer, C++ Developer
Job Description & How to Apply Below
Position: 10 - Staff Engineer, Software 1 (Austin)

Job Title: Staff Engineer, Software
Functional Area: Engineering (ENG)
Career Stream: Design - Software Engineering
Job Code: SEN-ENG-DSE
Job Band: 10

General Overview

Celestica is looking for a talented and passionate software engineer who can help drive the next generation data center and AI compute blades. You will be responsible for designing, developing, and testing software that runs on Smart

NICs, enabling high‑performance networking and offloading critical workloads from the main CPU.

Software Development
  • Design, develop, and test software that runs on Smart

    NICs, enabling high‑performance networking and offloading critical workloads from the main CPU.
  • Optimize code for performance, efficiency, and low latency.
  • Innovate new ideas in conjunction with networking engineers to optimize overall data center efficiency.
Hardware Integration
  • Design, develop, and test software that runs on Smart

    NICs, enabling high‑performance networking and offloading critical workloads from the main CPU.
  • Troubleshoot and resolve hardware‑software interaction issues.
Performance Optimization
  • Analyze and optimize network performance, identifying bottlenecks and implementing solutions.
  • Develop and implement performance testing methodologies and tools.
Security
  • Design and implement security features for Smart

    NIC software, ensuring data integrity and confidentiality.
  • Stay up‑to‑date on security best practices and vulnerability remediation.
Collaboration
  • Work effectively in a team environment, collaborating with engineers and peer functional leads from different disciplines to innovate solutions, triage issues and speed execution.
  • Work with product line management, customers and sales teams to understand requirements.
  • Explain the value addition software brings to technical and non‑technical audiences.
Leadership
  • Provide technical guidance to junior team members.
  • Review and maintain quality of code going into production.
  • Present innovation and value addition from our software in technical forums and customer interactions.
Knowledge/Skills/Competencies
  • Strong programming skills in C, C++, P4 and other low‑level programming languages.
  • Deep understanding of data plane and networking protocols (TCP/IP, Ethernet, etc.).
  • Experience with Linux driver kernel development is a plus.
  • Familiarity with main elements of CPU, DPU, memory, NICs, board monitoring elements.
  • Ability to identify and resolve software and hardware issues.
  • Strong analytical and problem‑solving abilities.
  • Prior experience developing software for Smart

    NICs and understanding of cloud computing architectures and services is a plus.
  • Familiarity with GPU libraries like CUDA and ROCm is a plus.
Physical Demands

Duties performed in a normal office environment. Routine sitting and sustained visual concentration on a computer monitor. Repetitive manual movements frequently required. Occasional travel may be required.

Typical Experience

10 to 15 years.

Typical Education

Bachelor degree or an equivalent combination of education and experience.

Equal Employment Opportunity

All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or status as a protected veteran. Celestica’s policy on equal employment opportunity prohibits discrimination based on race, color, creed, religion, national origin, gender, sexual orientation, gender identity, age, marital status, veteran or disability status, or other characteristics protected by law.

This policy applies to hiring, promotion, discharge, pay, fringe benefits, job training, classification, referral and other aspects of employment and also states that retaliation against a person who files a charge of discrimination, participates in a discrimination proceeding, or otherwise opposes an unlawful employment practice will not be tolerated. All information will be kept confidential according to EEO guidelines.

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