Software Engineer Jobs in Nashua

As of 11 October 2026, Haystack lists 20 live Software Engineer jobs in Nashua, with 2 added in the past week. Employers hiring right now include Arista Networks, BAE Systems and Pacific Defense.

Top companies hiring

AN

Arista Networks

16 open roles

BS

BAE Systems

2 open roles

PD

Pacific Defense

1 open role

SA

Saab

1 open role

• AN

  FPGA Design Engineer

  New

  Auto Apply

  Arista Networks

  Nashua, NH🇺🇸·Hybrid·Yesterday

  FPGA

  Verilog

  Engineering
• BS

  Principal Systems Engineer - Anti-Tamper

  BAE Systems

  Nashua, NH🇺🇸·$118.1k - $200.8k/yr·On-site·2 weeks ago

  React

  Technology
• AN

  Software Engineer, EOS Layer 2 and Network Services

  Auto Apply

  Arista Networks

  Nashua, NH🇺🇸·On-site·2 weeks ago

  DNS

  C++

  Python

  +1

  Technology
• AN

  Senior/Lead Software Engineer, Packet Forwarding

  Auto Apply

  Arista Networks

  Nashua, NH🇺🇸·On-site·2 weeks ago

  C++

  Python

  Technology
• AN

  Senior/Lead Software Engineer, EOS Layer 2 and Network Services

  Auto Apply

  Arista Networks

  Nashua, NH🇺🇸·On-site·4 weeks ago

  DNS

  C++

  Python

  +1

  Technology
• AN

  Lead Software Engineer, Packet Forwarding

  Auto Apply

  Arista Networks

  Nashua, NH🇺🇸·On-site·4 weeks ago

  C++

  Python

  Technology
• BS

  Senior Principal Model Based Systems Engineer

  BAE Systems

  Nashua, NH🇺🇸·$133.0k - $226.0k/yr·Hybrid·2 weeks ago

  Machine Learning

  Agile

  Jira

  Technology
• AN

  Diagnostics Software Engineer

  Auto Apply

  Arista Networks

  Nashua, NH🇺🇸·On-site·4 months ago

  FPGA

  TCP/IP

  Bash

  +3

  Technology
• AN

  PCIe Software Engineer

  Auto Apply

  Arista Networks

  Nashua, NH🇺🇸·On-site·3 months ago

  C++

  Python

  Technology
• AN

  PCIe Senior/Lead Software Engineer

  Auto Apply

  Arista Networks

  Nashua, NH🇺🇸·On-site·3 months ago

  C++

  Python

  Technology

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• AN

  Linux Kernel Software Engineer

  Auto Apply

  Arista Networks

  Nashua, NH🇺🇸·On-site·3 months ago

  C++

  Python

  Technology
• AN

  Linux Kernel Senior/Lead Software Engineer

  Auto Apply

  Arista Networks

  Nashua, NH🇺🇸·On-site·3 months ago

  C++

  Python

  Technology
• AN

  BIOS Software Engineer

  Auto Apply

  Arista Networks

  Nashua, NH🇺🇸·On-site·3 months ago

  C++

  Python

  Technology
• AN

  BIOS Senior/Lead Software Engineer

  Auto Apply

  Arista Networks

  Nashua, NH🇺🇸·On-site·3 months ago

  C++

  Python

  Technology
• AN

  Software Engineer, Layer1

  Auto Apply

  Arista Networks

  Nashua, NH🇺🇸·On-site·3 months ago

  Fiber

  C++

  Python

  Technology
• AN

  Lead Software Engineer, Physical Network Layer

  Auto Apply

  Arista Networks

  Nashua, NH🇺🇸·On-site·3 months ago

  Fiber

  C++

  Python

  Technology
• AN

  Lead Software Engineer, Network Systems

  Auto Apply

  Arista Networks

  Nashua, NH🇺🇸·On-site·3 months ago

  C++

  Python

  Technology
• AN

  Software Engineer, Network Systems

  Auto Apply

  Arista Networks

  Nashua, NH🇺🇸·On-site·3 months ago

  C++

  Python

  Technology
• PD

  Senior Software Engineer

  Auto Apply

  Pacific Defense

  Nashua, New Hampshire🇺🇸·On-site·2 months ago

  Embedded Systems

  Flutter

  Dart

  +2

  Technology
• SA

  Senior Software Engineer

  Saab

  Nashua, NH🇺🇸·$138.9k - $180.6k/yr·Hybrid·5 months ago

  MATLAB

  SVN

  Scrum

  +5

  Technology