Sr Engineer – Network Operating Systems

Senior Engineer

Working at Target means helping all families discover the joy of everyday life. We bring that vision to life through our values and culture. Learn more about Target here.

As a Senior Engineer, you will build and debug software across the Linux stack (kernel and user space), contribute to SONiC builds that produce full Linux OS images, and work with hardware interfaces such as I2C and networking ASICs. Develop and support container-based workflows using Docker, troubleshoot issues across systems, networking, and infrastructure, and collaborate with teammates while supporting and mentoring others as needed.

Use your skills, experience, and talents to contribute to innovative thinking and forward-looking goals. As a Sr. Engineer, you will lead by applying deep technical expertise to evaluate and adopt current and emerging technologies, considering factors such as viability, maintainability, and total cost of ownership. You will drive research and proof-of-concept efforts, lead service design and lifecycle management, and guide architecture and design discussions using system and process insights.

You will also lead code reviews, testing, optimization, and implementation activities, ensuring solutions meet architectural and operational best practices. In this role, be comfortable debugging complex hardware and software issues, work effectively both independently and collaboratively, communicate clearly across diverse perspectives, mentor and support teammates, and operate successfully within Agile/Scrum environments.

Core responsibilities of this job are described within this job description. Job duties may change at any time due to business needs.

About you:

• 4-year degree or equivalent experience
• 5+ years of software development experience

Programming

• Strong experience in C/C++ in a Linux environment
• Working knowledge of Python and scripting (bash or similar)
• Familiarity with common tools like git, make, and basic build systems
• Linux operating system services (e.g. systemd).

Containers & Build Environments

• Experience using Docker and understanding how containers work
• Familiarity with build tools and package management (apt, pip, etc.)
• Basic understanding of handling certificates, credentials, and secure access

Networking Fundamentals

• General understanding of networking concepts:
  • Ethernet basics (Interfaces copper and optical, MAC addressing etc.)
  • Layer 2 / Layer 3 concepts (switching vs routing)
• Experience with protocols including ARP, ICMP, BGP, LACP, STP, LLDP, VLANs, etc.
• Awareness of infrastructure components like DNS, firewalls, and TLS

Hardware / Embedded Exposure

• Experience or familiarity with:
  • I2C devices and communication
  • Network switch architecture
  • Switching ASIC concepts
  • Low-level concepts like memory-mapped I/O or interrupts

This position will operate as a Hybrid/Flex for Your Day work arrangement based on Target's needs. A Hybrid/Flex for Your Day work arrangement means the team member's core role will need to be performed both onsite at the Target HQ MN location the role is assigned to and virtually, depending upon what your role, team and tasks require for that day.

Work duties cannot be performed outside of the country of the primary work location, unless otherwise prescribed by Target.  if you are curious to learn more about Minnesota.